SecurityAMBA / Ambarella, Inc. (G037AX101)
CEOWang Feng-Ming
IndustrySemiconductors and Related Devices
Institutional Owners226
Institutional Shares24,764,585 - 75.85%
Common Stock Shares Outstanding32,650,237 shares (as of 2018-07-31)
Institutional Value$ 1,517,063,000 USD
Related 00B7KH3G6 / Ambarella, Inc. Bond

Institutional Stock Ownership and Shareholders

AMBA / Ambarella, Inc. Institutional Ownership

Ambarella, Inc. (NASDAQ:AMBA) has 226 institutional investors and shareholders that have filed 13D/G or 13F forms with the Securities Exchange Commission (SEC). These institutions hold a total of 24,764,585 shares. Largest shareholders include Vanguard Group Inc, BlackRock Inc., Van Berkom & Associates Inc., Axa, BlackRock Fund Advisors, Pinnacle Associates Ltd, Henderson Group Plc, Wellington Management Group LLP, State of Tennessee, Treasury Department, and State Street Corp.
Ambarella, Inc. (NASDAQ:AMBA) ownership structure shows current positions in the company by institutions and funds, as well as latest changes in position size. Major shareholders can include individual investors, mutual funds, hedge funds, or institutions. The Schedule 13D indicates that the investor holds more than 5% of the company and intends to actively pursue a change in business strategy. Schedule 13G indicates a passive investment of over 5%. Green rows indicate new positions. Red rows indicate closed positions. Click the link icon to see the full transaction history.

File DateFormInvestor Opt Prev
Shares
Current
Shares
Change
(Percent)
Prev Value
($1000)
Current Value
($1000)
Change
(Percent)
2018-08-10 13F-HR HENDERSON GROUP PLC 814,693 948,168 16.38 39,908 36,614 -8.25
2018-08-14 13F-HR FIFTH THIRD BANCORP 1,000 1,000 0.00 49 39 -20.41
2018-08-14 13F-HR ETF MANAGERS GROUP, LLC 30,914 0 -100.00 1,451 0 -100.00
2018-08-13 13F-HR Bayesian Capital Management, LP 18,700 0 -100.00 916 0 -100.00
2018-07-26 13F-HR FIRST INTERSTATE BANK 400 400 0.00 20 15 -25.00
2018-08-06 13F-HR STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 18,314 18,924 3.33 897 731 -18.51
2018-08-13 13F-HR GROUP ONE TRADING, L.P. Call 126,100 38,200 -69.71 6,178 1,475 -76.12
2018-08-06 13F-HR RHUMBLINE ADVISERS 32,454 33,179 2.23 1,590 1,281 -19.43
2018-08-14 13F-HR PEAK6 Investments, L.P. 46,601 165,939 256.08 2,283 6,407 180.64
2018-08-07 13F-HR Marathon Capital Management 7,000 270
2018-08-13 13F-HR PARAMETRIC PORTFOLIO ASSOCIATES LLC 28,183 29,461 4.53 1,381 1,137 -17.67
2018-08-14 13F-HR SUSQUEHANNA INTERNATIONAL GROUP, LLP 18,747 241,481 1,188.10 918 9,324 915.69
2018-08-14 13F-HR HBK INVESTMENTS L P 5,110 0 -100.00 250 0 -100.00
2018-07-13 13F-HR Bogart Wealth, Llc 35 1
2018-07-30 13F-HR SIMPLEX TRADING, LLC Put 160 252 57.50 61 972 1,493.44
2018-08-14 13F-HR JP Morgan Chase & Co Put 100,000 0 -100.00 4,899 0 -100.00
2018-08-13 13F-HR Renaissance Technologies LLC 282,700 282,700 0.00 13,849 13,849 0.00
2018-08-14 13F-HR TIAA CREF INVESTMENT MANAGEMENT LLC 81,677 72,070 -11.76 4,001 2,783 -30.44
2018-08-08 13F-HR SEGALL BRYANT & HAMILL, LLC 10,374 401
2018-08-14 13F-HR Shanda Payment Holdings Ltd. 0 20,000 0 772
2018-08-14 13F-HR HIGHBRIDGE CAPITAL MANAGEMENT LLC 25,246 0 -100.00 1,237 0 -100.00
2018-07-13 13F-HR BANK OF MONTREAL /CAN/ 333 1,763 429.43 17 68 300.00
2018-08-06 13F-HR Sonora Investment Management, LLC 100 100 0.00 4,899 4 -99.92
2018-08-13 13F-HR Dalton Investments LLC 47,400 47,400 0.00 2,322 1,830 -21.19
2018-08-13 13F-HR Vantage Investment Advisors, LLC 300 150 -50.00 15 6 -60.00
2017-05-01 13F-HR Spot Trading L.L.C Put 12,300 673
2018-08-14 13F-HR JP Morgan Chase & Co 72,559 7,528 -89.62 3,555 291 -91.81
2018-08-09 13F-HR Royce & Associates LLC 205 422 105.85 10 16 60.00
2018-08-14 13F-HR Diametric Capital, Lp 11,981 0 -100.00 587 0 -100.00
2018-07-25 13F-HR Tributary Capital Management, LLC 277,859 304,874 9.72 13,612 11,771 -13.52
2018-08-14 13F-HR Invesco Ltd. 18,654 18,873 1.17 914 729 -20.24
2018-07-20 13F-HR Creative Planning 6,175 6,813 10.33 303 263 -13.20
2018-07-27 13F-HR SECURITY NATIONAL TRUST CO 1,200 1,200 0.00 58 46 -20.69
2018-08-02 13F-HR PITCAIRN CO 4,573 0 -100.00 224 0 -100.00
2018-08-10 13F-HR ENVESTNET ASSET MANAGEMENT INC 3,607 3,477 -3.60 174 135 -22.41
2018-08-09 13F-HR Redmond Asset Management, LLC 28,887 28,524 -1.26 1,415 1,101 -22.19
2018-08-14 13F-HR CMT Capital Markets Trading GmbH 0 33,187 0 1,281
2018-07-20 13F-HR America First Investment Advisors, LLC 45 0 -100.00 2 0 -100.00
2018-08-14 13F-HR SevenBridge Financial Group, LLC 100 100 0.00 5 4 -20.00
2018-07-19 13F-HR SIT INVESTMENT ASSOCIATES INC 11,350 11,350 0.00 556 438 -21.22
2018-08-14 13F-HR Squarepoint Ops LLC 45,036 0 -100.00 2,206 0 -100.00
2018-07-19 13F-HR BENJAMIN F. EDWARDS & COMPANY, INC. 1,218 865 -28.98 60 33 -45.00
2018-08-13 13F-HR RAYMOND JAMES & ASSOCIATES 43,021 40,459 -5.96 2,108 1,562 -25.90
2018-08-14 13F-HR SUSQUEHANNA INTERNATIONAL GROUP, LLP Call 488,000 281,800 -42.25 23,907 10,880 -54.49
2018-08-10 13F-HR Cutler Group LP Put 21,500 6,100 -71.63 64 37 -42.19
2018-07-24 13F-HR Mengis Capital Management, Inc. 27,570 26,470 -3.99 1,350 1,022 -24.30
2018-07-13 13F-HR Truewealth Llc 100 100 0.00 5 4 -20.00
2018-08-10 13F-HR NEW YORK STATE COMMON RETIREMENT FUND 128,212 130,512 1.79 6,281 5,039 -19.77
2018-08-13 13F-HR HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC 14,396 0 -100.00 705 0 -100.00
2017-07-27 13F-HR Spot Trading L.l.c. Put 55,900 2,714
2018-08-14 13F-HR Teza Capital Management LLC 13,459 520
2018-08-14 13F-HR JACOBS LEVY EQUITY MANAGEMENT, INC 10,200 394
2017-02-10 13F-HR BlackRock Investment Management, LLC 127,552 126,798 -0.59 9,389 6,864 -26.89
2018-08-03 13F-HR Axel Capital Management, LLC 46,000 1,776
2018-08-10 13F-HR Shell Asset Management Co 160,600 156,014 -2.86 7,868 6,024 -23.44
2018-08-14 13F-HR J. Goldman & Co LP Call 120,000 4,633
2018-08-14 13F-HR WHITE PINE CAPITAL LLC 17,450 16,350 -6.30 855 631 -26.20
2018-08-13 13F-HR Quantbot Technologies LP 0 45,606 0 1,760
2018-08-14 13F-HR Tower Research Capital LLC (TRC) 4,236 12,828 202.83 208 495 137.98
2018-08-08 13F-HR SCHWAB CHARLES INVESTMENT MANAGEMENT INC 57,500 61,000 6.09 2,817 2,356 -16.36
2018-07-30 13F-HR Aperio Group, LLC 4,370 0 -100.00 214 0 -100.00
2017-01-13 13F-HR MetLife Securities, Inc 1,534 1,379 -10.10 113 74 -34.51
2018-08-14 13F-HR TWO SIGMA INVESTMENTS LLC Call 19,000 24,700 30.00 931 954 2.47
2018-08-14 13F-HR Mirae Asset Global Investments Co., Ltd. 10,570 11,760 11.26 518 454 -12.36
2018-08-01 13F-HR SYNOVUS FINANCIAL CORP 8,554 8,159 -4.62 425 318 -25.18
2018-08-14 13F-HR Patriot Financial Group Insurance Agency, LLC 100 0 -100.00 5 0 -100.00
2018-07-20 13F-HR Nikko Asset Management Americas, Inc. 0 99,671 0 3,848
2018-08-14 13F-HR GOLDMAN SACHS GROUP INC Call 60,800 5,100 -91.61 2,979 197 -93.39
2018-08-14 13F-HR/A CITADEL ADVISORS LLC 90,883 482,934 431.38 4,452 18,646 318.82
2018-08-03 13F-HR STATE OF WISCONSIN INVESTMENT BOARD 150,000 140,000 -6.67 7,348 5,405 -26.44
2018-08-14 13F-HR Clearbridge Investments, LLC 316,256 318,884 0.83 15,493 12,312 -20.53
2018-08-14 13F-HR Natixis 143,631 5,546
2018-08-14 13F-HR VANGUARD GROUP INC 2,253,727 2,349,101 4.23 110,410 90,699 -17.85
2018-07-09 13F-HR Centerstar Asset Management, Llc Call 63 3 -95.24
2018-08-14 13F-HR BARCLAYS PLC 74,616 112,934 51.35 3,655 4,359 19.26
2018-07-30 13F-HR SIMPLEX TRADING, LLC Call 566 892 57.60 139 3,444 2,377.70
2018-05-11 13F-HR CITIGROUP INC 12,150 32,780 169.79 714 1,606 124.93
2018-08-07 13F-HR ROTHSCHILD ASSET MANAGEMENT INC 498,696 446,404 -10.49 24,431 17,236 -29.45
2018-08-14 13F-HR W.G. Shaheen & Associates DBA Whitney & Co 300 300 0.00 15 12 -20.00
2018-07-30 13F-HR Daiwa Securities Group Inc. 1,402 1,128 -19.54
2018-08-14 13F-HR BARCLAYS PLC Call 64,900 58,300 -10.17 3,179 2,251 -29.19
2018-08-14 13F-HR Cubist Systematic Strategies, LLC 8,933 8,246 -7.69 438 318 -27.40
2018-08-14 13F-HR Weiss Multi-Strategy Advisers LLC 0 100,000 0 3,861
2018-08-03 13F-HR NOMURA ASSET MANAGEMENT CO LTD 10,500 10,500 0.00 514 405 -21.21
2018-08-02 13F-HR WASATCH ADVISORS INC 25,398 981
2018-08-14 13F-HR ETRADE Capital Management LLC 4,694 0 -100.00 230 0 -100.00
2018-08-09 13F-HR BlackRock Inc. 1,504,165 1,648,769 9.61 73,689 63,658 -13.61
2018-07-27 13F-HR Advisory Services Network, LLC 920 920 0.00 45 36 -20.00
2018-08-15 13F-HR CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 25,300 28,397 12.24 1,239 1,096 -11.54
2018-08-08 13F-HR US BANCORP \DE\ 2,119 2,333 10.10 103 90 -12.62
2018-07-26 13F-HR Advisornet Financial, Inc 550 550 0.00 27 21 -22.22
2018-08-14 13F-HR GEODE CAPITAL MANAGEMENT, LLC 93,453 109,088 16.73 4,578 4,211 -8.02
2017-02-10 13F-HR BlackRock Group LTD 16,815 21,380 27.15 1,238 1,157 -6.54
2018-08-14 13F-HR GOLDMAN SACHS GROUP INC Put 163,900 73,700 -55.03 8,029 2,846 -64.55
2017-07-27 13F-HR Spot Trading L.l.c. Call 57,600 2,796
2018-08-13 13F-HR ALLIANCEBERNSTEIN L.P. 429,204 41,300 -90.38 21,027 1,595 -92.41
2018-08-07 13F-HR GREYLIN INVESTMENT MANGEMENT INC 22,400 19,053 -14.94 1,097 736 -32.91
2018-08-14 13F-HR MILLENNIUM MANAGEMENT LLC 152,934 10,938 -92.85 7,492 422 -94.37
2018-08-14 13F-HR TEACHERS ADVISORS INC 60,221 61,972 2.91 2,950 2,393 -18.88
2018-07-25 13F-HR American Research & Management Co. 350 250 -28.57 17 10 -41.18
2018-08-13 13F-HR Mitsubishi UFJ Securities Holdings Co., Ltd. 640 0 -100.00 31 0 -100.00
2018-04-18 13F-HR/A FNY Partners Fund LP 4,750 0 -100.00 279 0 -100.00
2018-08-14 13F-HR CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 49,441 49,553 0.23 2,422 1,913 -21.02
2018-08-14 13F-HR CMT Capital Markets Trading GmbH Call 46,100 21,600 -53.15 2,258 834 -63.06
2018-05-10 13F-HR DENVER INVESTMENT ADVISORS LLC 7,564 8,249 9.06 444 404 -9.01
2018-08-02 13F-HR Genovese Burford & Brothers Wealth & Retirement Plan Management, LLC 1,500 1,500 0.00 73 58 -20.55
2018-07-18 13F-HR AMALGAMATED BANK 4,302 0 -100.00 211 0 -100.00
2018-08-14 13F-HR Voya Investment Management LLC 14,116 12,849 -8.98 692 496 -28.32
2018-08-14 13F-HR J. Goldman & Co LP 8,800 20,242 130.02 431 782 81.44
2018-08-07 13F-HR SG Americas Securities, LLC 7,702 31,651 310.95 377 1,222 224.14
2018-08-14 13F-HR Point72 Asia (Hong Kong) Ltd 2,830 146 -94.84 139 6 -95.68
2018-08-14 13F-HR Vident Investment Advisory, LLC 419,882 517,708 23.30 21,779 19,989 -8.22
2018-08-06 13F-HR FTB Advisors, Inc. 2,200 2,807 27.59 108 108 0.00
2018-05-11 13F-HR CITIGROUP INC Call 97,600 114,500 17.32 5,734 5,609 -2.18
2018-08-10 13F-HR PNC FINANCIAL SERVICES GROUP, INC. 1,191 1,453 22.00 58 56 -3.45
2018-08-13 13F-HR Nan Shan Life Insurance Co., Ltd. 690,992 488,400 -29.32 33,852 18,857 -44.30
2018-08-10 13F-HR NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO 372 372 0.00 18 14 -22.22
2018-08-14 13F-HR Nuveen Asset Management, LLC 10,000 0 -100.00 490 0 -100.00
2018-07-17 13F-HR BAILLIE GIFFORD & CO 265,085 326,847 23.30 12,986 12,620 -2.82
2018-08-14 13F-HR TIDE POINT CAPITAL MANAGEMENT, LP Call 1,042,800 0 -100.00 51,087 0 -100.00
2018-08-14 13F-HR Walleye Trading LLC 4,026 14,393 257.50 197 556 182.23
2018-08-06 13F-HR TEACHER RETIREMENT SYSTEM OF TEXAS 7,356 6,759 -8.12 360 261 -27.50
2018-08-14 13F-HR MORGAN STANLEY 635,475 510,121 -19.73 31,131 19,695 -36.74
2018-08-14 13F-HR TWO SIGMA INVESTMENTS LLC Put 21,700 27,500 26.73 1,063 1,062 -0.09
2018-08-10 13F-HR CITIGROUP INC 32,780 22,463 -31.47 1,606 868 -45.95
2018-08-10 13F-HR ING GROEP NV 14,500 137,225 846.38 710 5,298 646.20
2018-08-14 13F-HR PEAK6 Investments, L.P. Put 177,700 269,900 51.89 8,706 10,421 19.70
2016-11-14 13F-HR EDMOND DE ROTHSCHILD ASSET MANAGEMENT (FRANCE) 10,100 0 -100.00 513 0
2018-08-14 13F-HR BANK OF AMERICA CORP /DE/ 111,191 137,854 23.98 5,447 5,322 -2.29
2018-08-09 13F-HR Tygh Capital Management, Inc. 70,526 0 -100.00 3,455 0 -100.00
2018-08-14 13F-HR Valeo Financial Advisors, Llc 27 0 -100.00 1 0 -100.00
2017-07-06 13F-HR Independent Portfolio Consultants, Inc. 9,970 8,577 -13.97 545 416 -23.67
2018-08-14 13F-HR Walleye Trading LLC Call 39,500 58,100 47.09 1,935 2,243 15.92
2018-08-03 13F-HR Engineers Gate Manager LP 0 89,677 0 3,462
2018-08-14 13F-HR TWO SIGMA ADVISERS, LP 16,100 22,000 36.65 789 849 7.60
2018-08-14 13F-HR Firsthand Capital Management, Inc. 50,000 50,000 0.00 2,450 1,931 -21.18
2018-08-14 13F-HR Alpha Omega Wealth Management LLC 110 110 0.00 5 4 -20.00
2018-08-13 13F-HR Ameritas Investment Partners, Inc. 2,765 2,765 0.00 135 107 -20.74
2018-07-16 13F-HR SCOUT INVESTMENTS, INC. 74,175 72,889 -1.73 3,634 2,814 -22.56
2018-08-13 13F-HR Baird Financial Group, Inc. 27,976 24,676 -11.80 1,371 953 -30.49
2018-08-14 13F-HR TIDE POINT CAPITAL MANAGEMENT, LP 494,772 420,903 -14.93 24,239 16,251 -32.96
2018-08-08 13F-HR Private Capital Group, Llc 83 20 -75.90 4 0 -100.00
2018-08-22 13F-HR/A Advisors Asset Management, Inc. 1,047 1,017 -2.87 50 39 -22.00
2018-08-14 13F-HR Man Group plc 42,909 39,869 -7.08 2,102 1,539 -26.78
2018-08-14 13F-HR Parallax Volatility Advisers, L.P. 131,165 0 -100.00 6,426 0 -100.00
2018-07-24 13F-HR Janney Montgomery Scott LLC 4,970 0 -100.00 243 0 -100.00
2018-08-01 13F-HR Migdal Insurance & Financial Holdings Ltd. 11,890 459
2018-08-14 13F-HR State of Tennessee, Treasury Department 630,000 660,000 4.76 30,864 25,483 -17.43
2018-08-08 13F-HR Russell Investments Group, Ltd. 21,226 23,759 11.93 1,040 918 -11.73
2018-08-14 13F-HR UBS Group AG 25,800 10,590 -58.95 1,264 409 -67.64
2018-08-13 13F-HR/A Krane Funds Advisors Llc 4,488 7,630 70.01 2,199 295 -86.58
2018-08-10 13F-HR CITIGROUP INC Put 138,700 101,300 -26.96 6,795 3,911 -42.44
2018-08-13 13F-HR WOLVERINE TRADING, LLC 19,231 19,231 0.00 942 942 0.00
2018-07-20 13F-HR Creative Planning Call 100 0 -100.00 1 0 -100.00
2018-07-30 13F-HR Raymond James Financial Services Advisors, Inc. 0 36,561 0 1,412
2018-08-14 13F-HR TUDOR INVESTMENT CORP ET AL 4,657 0 -100.00 228 0 -100.00
2018-08-10 13F-HR MUFG Americas Holdings Corp 200 200 0.00 10 8 -20.00
2018-08-15 13F-HR LADENBURG THALMANN FINANCIAL SERVICES INC 4,207 4,207 0.00 206 206 0.00
2018-08-10 13F-HR Cutler Group LP 9,907 3,388 -65.80 485 130 -73.20
2018-08-02 13F-HR FIRST TRUST ADVISORS LP 10,278 7,305 -28.93 504 282 -44.05
2018-08-13 13F-HR FORMULA GROWTH LTD 60,000 220,343 267.24 2,939 8,507 189.45
2018-08-14 13F-HR Caption Management, Llc Call 75,000 0 -100.00 3,674 0 -100.00
2018-07-27 13F-HR/A WHITTIER TRUST CO 40 40 0.00 2 2 0.00
2018-07-16 13F-HR SMITHFIELD TRUST CO 2,000 0 -100.00 98 0 -100.00
2018-08-14 13F-HR Arrowpoint Asset Management, LLC 83,555 96,927 16.00 4,093 3,742 -8.58
2018-08-14 13F-HR AQR CAPITAL MANAGEMENT LLC 10,663 0 -100.00 522 0 -100.00
2018-08-06 13F-HR RPG Investment Advisory, LLC 96,832 82,526 -14.77 4,743 3,202 -32.49
2018-08-14 13F-HR LPL Financial LLC 18,067 15,289 -15.38 885 590 -33.33
2018-07-13 13F-HR BANK OF MONTREAL /CAN/ Put 0 1,200 0 46
2018-08-14 13F-HR Jacobi Capital Management LLC 430 505 17.44 20 19 -5.00
2018-08-07 13F-HR IFP Advisors, Inc 1,696 1,664 -1.89 83 64 -22.89
2017-02-10 13F-HR BlackRock Fund Advisors 815,936 960,096 17.67 60,061 51,970 -13.47
2018-08-14 13F-HR SIGNATUREFD, LLC 55 0 -100.00 3 0 -100.00
2018-08-14 13F-HR BALYASNY ASSET MANAGEMENT LLC 22,375 32,875 46.93 1,096 1,269 15.78
2018-07-30 13F-HR Trustcore Financial Services, Llc 142 142 0.00 7 5 -28.57
2018-08-10 13F-HR Krasney Financial LLC 152 152 0.00 7 6 -14.29
2018-08-14 13F-HR Candriam Luxembourg S.C.A. 161,715 190,944 18.07 7,923 7,373 -6.94
2017-04-07 13F-HR CT Financial Advisors LLC 365 365 0.00 19,757 19,969 1.07
2018-09-18 13F-HR/A NORTHERN TRUST CORP 332,679 335,374 0.81 16,297 12,949 -20.54
2018-08-06 13F-HR Reliant Investment Management, LLC 31,435 30,400 -3.29 1,540 1,174 -23.77
2018-08-13 13F-HR WOLVERINE TRADING, LLC Call 170,600 170,600 0.00 8,358 8,358 0.00
2018-08-14 13F-HR Financial Gravity Wealth, Inc. 18 13 -27.78 1 0 -100.00
2018-08-03 13F-HR SEI INVESTMENTS CO 85,938 85,806 -0.15 4,210 3,313 -21.31
2018-08-10 13F-HR D L CARLSON INVESTMENT GROUP INC 65,005 0 -100.00 3,185 0 -100.00
2018-08-10 13F-HR CITIGROUP INC Call 114,500 116,800 2.01 5,609 4,510 -19.59
2018-07-20 13F-HR Steward Partners Investment Advisory, Llc 5,400 5,400 0.00 264 208 -21.21
2018-08-15 13F-HR Krilogy Financial LLC 60 0 -100.00 3 0 -100.00
2018-08-14 13F-HR DEUTSCHE BANK AG\ Call 1,261 48
2018-08-15 13F-HR GLENMEDE TRUST CO NA 75 75 0.00 4 3 -25.00
2018-08-14 13F-HR Parallax Volatility Advisers, L.P. Call 3,700 0 -100.00 181 0 -100.00
2017-02-10 13F-HR BlackRock Advisors LLC 11,840 15,316 29.36 872 829 -4.93
2018-08-14 13F-HR Centaurus Financial, Inc. 7,245 280
2018-08-14 13F-HR D. E. Shaw & Co., Inc. 248,821 38,357 -84.58 12,190 1,481 -87.85
2018-02-14 13F-HR Arthur Zaske & Associates, LLC 4,195 4,195 0.00 206 246 19.42
2018-08-14 13F-HR STATE STREET CORP 607,936 587,172 -3.42 29,784 22,671 -23.88
2018-08-09 13F-HR Swiss National Bank 58,433 58,433 0.00 2,863 2,256 -21.20
2018-08-14 13F-HR MANUFACTURERS LIFE INSURANCE COMPANY, THE 24,061 23,635 -1.77 1,180 913 -22.63
2018-08-14 13F-HR CAPITAL FUND MANAGEMENT S.A. 0 44,111 0 1,703
2018-07-11 13F-HR Xact Kapitalforvaltning AB 4,344 5,344 23.02 213 206 -3.29
2018-08-16 13F-HR Global X Management CO LLC 27,424 32,209 17.45 1,344 1,244 -7.44
2018-07-27 13F-HR PIEDMONT INVESTMENT ADVISORS LLC 562 22
2018-08-10 13F-HR Cortina Asset Management, LLC 41,488 48,711 17.41 2,032 1,881 -7.43
2018-08-13 13F-HR Global Retirement Partners, Llc 500 500 0.00 24 19 -20.83
2018-09-20 13F-HR Rehmann Capital Advisory Group 44 1,699
2018-08-06 13F-HR SAN FRANCISCO SENTRY INVESTMENT GROUP (CA) 8,000 8,000 0.00 392 309 -21.17
2018-07-18 13F-HR NISA INVESTMENT ADVISORS L.L.C. 125 125 0.00 6 5 -16.67
2018-08-14 13F-HR/A CITADEL ADVISORS LLC Put 190,100 225,000 18.36 9,313 8,687 -6.72
2018-08-14 13F-HR TWO SIGMA SECURITIES, LLC Put 21,100 0 -100.00 1,034 0 -100.00
2017-08-14 13F-HR Cantab Capital Partners LLP 1,484 0 -100.00 81,000 0 -100.00
2018-08-02 13F-HR/A ALPS ADVISORS INC 0 6,836 0 264
2018-08-15 13F-HR JANE STREET GROUP, LLC Call 99,000 30,000 -69.70 4,850 1,158 -76.12
2018-08-14 13F-HR BARCLAYS PLC Put 52,500 60,800 15.81 2,572 2,347 -8.75
2018-08-14 13F-HR JP Morgan Chase & Co Call 548,400 0 -100.00 26,866 0 -100.00
2018-08-13 13F-HR WOLVERINE TRADING, LLC Put 143,300 143,300 0.00 7,020 7,020 0.00
2018-08-02 13F-HR VICTORY CAPITAL MANAGEMENT INC 3,225 3,736 15.84 158 144 -8.86
2018-08-14 13F-HR PRICE T ROWE ASSOCIATES INC /MD/ 358,155 0 -100.00 17,546 0 -100.00
2018-08-13 13F-HR ProShare Advisors LLC 4,149 0 -100.00 203 0 -100.00
2018-08-06 13F-HR Zurcher Kantonalbank (Zurich Cantonalbank) 2,053 2,053 0.00 101 79 -21.78
2018-08-14 13F-HR ROYAL BANK OF CANADA 231,510 181,546 -21.58 11,342 7,009 -38.20
2018-08-13 13F-HR Stratos Wealth Partners, LTD. 2,402 0 -100.00 118 0 -100.00
2018-08-14 13F-HR CREDIT SUISSE AG/ Call 275,000 0 -100.00 13,473 0 -100.00
2018-07-19 13F-HR EXANE DERIVATIVES 33 33 0.00 1,650 1,292 -21.70
2018-08-13 13F-HR OXFORD ASSET MANAGEMENT 26,582 0 -100.00 1,302 0 -100.00
2018-07-31 13F-HR Ams Capital Ltda 35,553 1,373
2018-07-12 13F-HR/A FIRST NATIONAL BANK OF OMAHA 27,368 27,275 -0.34 1,341 1,053 -21.48
2018-08-07 13F-HR GREENLEAF TRUST 63,308 63,107 -0.32 3,101 2,437 -21.41
2018-08-13 13F-HR Advisor Group, Inc. 8,169 10,928 33.77 399 422 5.76
2018-02-13 13F-HR COLUMBIA WANGER ASSET MANAGEMENT LLC 197,284 535,129 171.25 9,669 31,439 225.15
2018-08-09 13F-HR Handelsinvest Investeringsforvaltning 41,700 41,700 0.00 2,043 1,610 -21.19
2017-02-10 13F-HR BlackRock Institutional Trust Company, N.A. 315,718 319,822 1.30 23,240 17,312 -25.51
2018-05-11 13F-HR CITIGROUP INC Put 76,500 138,700 81.31 4,494 6,795 51.20
2018-08-14 13F-HR Prince Street Capital Management LLC 287,300 0 -100.00 14,075 0 -100.00
2018-08-01 13F-HR HALL LAURIE J TRUSTEE 570 630 10.53 28 24 -14.29
2018-08-14 13F-HR Edge Advisors, Llc 100 100 0.00 4 3 -25.00
2018-08-15 13F-HR JANE STREET GROUP, LLC Put 39,100 8,700 -77.75 1,916 336 -82.46
2018-08-02 13F-HR Atlantic Trust Group, LLC 160 160 0.00 8 6 -25.00
2018-08-10 13F-HR Legal & General Group Plc 259,032 309,559 19.51 12,690 11,952 -5.82
2018-08-14 13F-HR/A CITADEL ADVISORS LLC Call 202,400 246,200 21.64 9,916 9,506 -4.13
2018-07-26 13F-HR REGIONS FINANCIAL CORP 981 954 -2.75 48 37 -22.92
2018-02-16 13F-HR/A Commonwealth Equity Services, Inc 31,612 28,521 -9.78 1,535 1,398 -8.93
2018-04-18 13F-HR Integral Derivatives, LLC Put 10,600 0 -100.00 623 0 -100.00
2018-08-22 13F-HR McAdam, LLC 275 275 0.00 13 11 -15.38
2018-07-24 13F-HR Mccollum Christoferson Group Llc 66,930 66,233 -1.04 3,279 2,557 -22.02
2018-08-03 13F-HR VIRGINIA RETIREMENT SYSTEMS ET AL 12,000 0 -100.00 588 0 -100.00
2018-08-14 13F-HR GOLDMAN SACHS GROUP INC 285,183 186,565 -34.58 13,971 7,203 -48.44
2018-07-30 13F-HR/A Virtu Financial LLC 29,778 1,150
2018-08-02 13F-HR Sg3 Management, Llc 20,000 772
2018-08-14 13F-HR TWO SIGMA SECURITIES, LLC Call 27,900 21,400 -23.30 1,367 826 -39.58
2018-08-13 13F-HR GROUP ONE TRADING, L.P. Put 23,200 11,600 -50.00 1,137 448 -60.60
2018-07-25 13F-HR BNP PARIBAS ARBITRAGE, SA 13,602 12,813 -5.80 666,362 494,710 -25.76
2018-07-11 13F-HR Handelsbanken Fonder AB 130,000 0 -100.00 6,369 0 -100.00
2018-08-01 13F-HR WELLS FARGO & COMPANY/MN 71,428 55,673 -22.06 3,499 2,150 -38.55
2018-08-08 13F-HR AMERICAN INTERNATIONAL GROUP INC 20,752 21,094 1.65 1,017 814 -19.96
2018-08-14 13F-HR FLAGSHIP HARBOR ADVISORS, LLC 71 2
2018-07-10 13F-HR Radnor Capital Management, LLC 10,000 0 -100.00 490 0 -100.00
2018-08-14 13F-HR Parallax Volatility Advisers, L.P. Put 136,500 0 -100.00 6,688 0 -100.00
2018-08-14 13F-HR GUGGENHEIM CAPITAL LLC 19,093 11,330 -40.66 934 437 -53.21
2018-08-02 13F-HR PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO 7,030 7,030 0.00 344 271 -21.22
2018-08-14 13F-HR THRIVENT FINANCIAL FOR LUTHERANS 96,598 97,123 0.54 4,732 3,749 -20.77
2018-08-10 13F-HR Summit Trail Advisors, Llc 88,227 1,999 -97.73 88 77 -12.50
2018-08-10 13F-HR Cutler Group LP Call 28,000 47,100 68.21 30 11 -63.33
2018-08-22 13F-HR Mount Yale Investment Advisors, Llc 250 10
2018-08-14 13F-HR AMERIPRISE FINANCIAL INC 672,584 0 -100.00 32,950 0 -100.00
2018-08-14 13F-HR HIGHBRIDGE CAPITAL MANAGEMENT LLC Call 7,400 0 -100.00 362 0 -100.00
2018-07-17 13F-HR DUBUQUE BANK & TRUST CO 4,048 3,902 -3.61 198 151 -23.74
2018-08-09 13F-HR Van Berkom & Associates Inc. 1,382,108 1,549,203 12.09 67,709 59,815 -11.66
2018-07-30 13F-HR SIMPLEX TRADING, LLC 0 5,909 0 228
2018-08-10 13F-HR Artisan Partners Limited Partnership 450,312 453,287 0.66 22,061 17,501 -20.67
2018-08-14 13F-HR D. E. Shaw & Co., Inc. Put 10,000 10,000 0.00 490 386 -21.22
2018-07-31 13F-HR Commonwealth Equity Services, Llc. 20,210 19,532 -3.35 990 754 -23.84
2018-07-26 13F-HR Lenox Wealth Management, Inc. 300 300 0.00 14 12 -14.29
2018-08-13 13F-HR ADVANTAGE INVESTMENT MANAGEMENT, LLC 187 187 0.00 9 7 -22.22
2018-05-09 13F-HR MESSNER & SMITH THEME VALUE INVESTMENT MANAGEMENT LTD /CA/ 0 38,920 0 1,907
2018-08-10 13F-HR Employees Retirement System of Texas 82,000 82,000 0.00 4,017 3,166 -21.18
2018-08-01 13F-HR Zweig-DiMenna Associates LLC 61,709 2,383
2018-08-03 13F-HR Financial Architects, Inc 1,200 1,200 0.00 59 46 -22.03
2018-08-13 13F-HR BlueMountain Capital Management, LLC 6,267 2,390 -61.86 307 92 -70.03
2018-08-03 13F-HR Well Done, LLC 139 0 -100.00 7 0 -100.00
2018-08-14 13F-HR Walleye Trading LLC Put 24,400 46,600 90.98 1,195 1,799 50.54
2017-02-21 13F-HR/A Thrax Management, LLC Put 10,000 541
2018-08-13 13F-HR Certified Advisory Corp 50 50 0.00 2 2 0.00
2018-08-14 13F-HR SUSQUEHANNA INTERNATIONAL GROUP, LLP Put 435,200 526,800 21.05 21,320 20,340 -4.60
2018-08-09 13F-HR Carillon Tower Advisers, Inc. 70,400 68,912 -2.11 34,489 2,661 -92.28
2018-08-14 13F-HR PEAK6 Investments, L.P. Call 53,900 22,200 -58.81 2,641 857 -67.55
2018-08-14 13F-HR EDMOND DE ROTHSCHILD HOLDING S.A. 1,630 1,630 0.00 81 63 -22.22
2018-08-03 13F-HR Sandy Spring Bank 2,250 2,250 0.00 110 87 -20.91
2017-07-27 13F-HR Spot Trading L.l.c. 34,887 1,694
2018-08-02 13F-HR Sg3 Management, Llc Call 0 220,000 0 8,494
2018-08-08 13F-HR PINNACLE ASSOCIATES LTD 900,934 953,325 5.82 44,137 36,808 -16.61
2018-05-04 13F-HR Financial Gravity Companies, Inc. 17 18 5.88 1 1 0.00
2018-08-13 13F-HR Nokota Management, LP Call 100,000 3,861
2018-07-31 13F-HR CWM, LLC 19 0 -100.00 1 0 -100.00
2018-08-14 13F-HR TWO SIGMA INVESTMENTS LLC 49,238 48,913 -0.66 2,412 1,889 -21.68
2018-08-14 13F-HR STIFEL FINANCIAL CORP 61,833 55,025 -11.01 3,030 2,132 -29.64
2018-07-18 13F-HR Cornerstone Advisors, Inc. 75 75 0.00 4 3 -25.00
2018-08-14 13F-HR OAK ASSOCIATES LTD /OH/ 24,070 24,070 0.00 1,179 929 -21.20
2018-08-14 13F-HR Wellington Management Group LLP 771,540 928,633 20.36 37,798 35,855 -5.14
2018-08-14 13F-HR CREDIT SUISSE AG/ 32,168 41,511 29.04 1,576 1,603 1.71
2018-07-13 13F-HR Creative Financial Designs Inc /adv 225 225 0.00 11 9 -18.18
2018-07-17 13F-HR Winslow, Evans & Crocker, Inc. 250 250 0.00 12,248 10 -99.92
2018-08-09 13F-HR Woodard & Co Asset Management Group Inc /adv 300 0 -100.00 15 0 -100.00
2018-08-01 13F-HR Go Etf Solutions Llp 149,298 172,254 15.38 7,317 10,120 38.31
2018-08-14 13F-HR HIGHBRIDGE CAPITAL MANAGEMENT LLC Put 7,400 0 -100.00 363 0 -100.00
2018-08-13 13F-HR HONKAMP KRUEGER FINANCIAL SERVICES INC /ADV 235 0 -100.00 12 0 -100.00
2018-08-14 13F-HR SPRINGBOK CAPITAL MANAGEMENT, LLC 5,170 1,854 -64.14 253 72 -71.54
2018-08-13 13F-HR Axa 1,219,361 1,239,988 1.69 59,736 47,876 -19.85
2017-10-26 13F-HR Acrospire Investment Management LLC 1,400 0 -100.00 68 0 -100.00
2016-11-14 13F-HR Westend Capital Management LLC 16,846 1,240
2018-07-18 13F-HR REILLY FINANCIAL ADVISORS, LLC 100 100 0.00 5 4 -20.00
2018-08-14 13F-HR DEUTSCHE BANK AG\ 374,358 144,993 -61.27 18,337 5,596 -69.48
2017-05-01 13F-HR Spot Trading L.L.C 1,865 0 -100.00 101 0 -100.00
2018-08-15 13F-HR JANE STREET GROUP, LLC 23,619 15,450 -34.59 1,157 597 -48.40
2017-02-10 13F-HR CG Asset Management LLC 23,650 16,250 -31.29 1,741 880 -49.45
2018-08-13 13F-HR PIONEER INVESTMENT MANAGEMENT INC 211,120 341,020 61.53 10,342 13,166 27.31
2018-08-13 13F-HR GROUP ONE TRADING, L.P. 3,920 0 -100.00 192 0 -100.00
2018-08-14 13F-HR CMT Capital Markets Trading GmbH Put 68,300 38,000 -44.36 3,345 1,467 -56.14
2017-05-01 13F-HR Spot Trading L.L.C Call 32,800 1,794
2018-02-14 13F-HR AHL Partners LLP 69,591 12,898 -81.47 3,411 758 -77.78
2018-04-18 13F-HR/A FNY Partners Fund LP Call 5 0 -100.00 0 0
2018-08-10 13F-HR DIMENSIONAL FUND ADVISORS LP 303,351 385,808 27.18 14,861 14,896 0.24
2018-08-14 13F-HR BALYASNY ASSET MANAGEMENT LLC Call 0 45,000 0 1,737
2017-01-23 13F-HR CenterStar Fund, LLC Call 2

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CUSIP: G037AX101