Stock Institutional Ownership and Shareholders

SecurityCEMP / Cempra, Inc. (15130J109)
President and CEOFernandes Prabhavathi
Institutional Owners110
Institutional Shares34,041,012
Institutional Value$ 220,805,000 USD

Cempra, Inc. (NASDAQ:CEMP) has 110 institutional investors and shareholders that have filed 13D/G or 13F forms with the Securities Exchange Commission (SEC). These institutions hold a total of 34,041,012 shares. Largest shareholders include Vatera Holdings Llc, FMR LLC / Fidelity Management & Research, BlackRock Inc., 1Globe Capital LLC, and Vanguard Group Inc.


Cempra, Inc. (NASDAQ:CEMP) ownership summary 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 (x$1000) Current Value (x$1000) Change
(Percent)
2017-11-09 13F-HR AMERICAN INTERNATIONAL GROUP INC 29,719 32,121 8.08 137 104 -24.09
2017-11-14 13F-HR ELLINGTON MANAGEMENT GROUP LLC 30,381 0 -100.00 140 0 -100.00
2017-11-14 13F-HR PANAGORA ASSET MANAGEMENT INC 428,467 0 -100.00 1,971 0 -100.00
2017-10-25 13F-HR SIMPLEX TRADING, LLC 9,664 0 -100.00 44 0 -100.00
2017-11-03 13F-HR/A-1 CANADA PENSION PLAN INVESTMENT BOARD 18,100 9,800 -45.86 83 32 -61.45
2017-10-16 13F-HR BANK OF MONTREAL /CAN/ 113,393 38,850 -65.74 522 126 -75.86
2017-10-17 13F-HR Creative Planning 5,000 0 -100.00 23 0 -100.00
2017-11-13 13F-HR WITTENBERG INVESTMENT MANAGEMENT, INC. 44,000 55,000 25.00 202 179 -11.39
2017-11-14 13F-HR CREDIT SUISSE AG/ 32,382 55,075 70.08 149 179 20.13
2017-11-14 13F-HR BARCLAYS PLC 74,974 39,984 -46.67 344 130 -62.21
2017-11-14 13F-HR Squarepoint Ops LLC 0 15,407 0 50
2017-11-13 13F-HR/A-1 NORGES BANK 201,063 265,197 31.90 3,316 6,130 84.86
2017-11-15 13F-HR CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 77,800 77,800 0.00 358 253 -29.33
2017-11-09 13F-HR LMR Partners LLP 32,584 0 -100.00 149 0 -100.00
2017-08-14 13F-HR Paloma Partners Management Co 10,329 0 -100.00 39 0 -100.00
2017-10-17 13F-HR Cutler Group LP Call 9,800 9,700 -1.02 1 0 -100.00
2017-11-14 13F-HR Tower Research Capital LLC (TRC) 700 500 -28.57 3 2 -33.33
2017-11-03 13F-HR Sterling Investment Advisors, Ltd. 476 476 0.00 2 2 0.00
2017-11-15 13F-HR GROUP ONE TRADING, L.P. Put 78,400 62,300 -20.54 361 202 -44.04
2017-11-01 13F-HR STATE OF WISCONSIN INVESTMENT BOARD 36,000 36,000 0.00 166 117 -29.52
2017-10-25 13F-HR OGOREK ANTHONY JOSEPH /NY/ /ADV 300 300 0.00 1 0 -100.00
2017-08-10 13F-HR HAP Trading, LLC Call 10,300 0 -100.00 1 0 -100.00
2017-11-01 13F-HR GAMCO INVESTORS, INC. ET AL 28,400 26,400 -7.04 131 86 -34.35
2017-08-14 13F-HR Walleye Trading LLC Put 300 0 -100.00 1 0 -100.00
2017-11-14 13F-HR JACOBS LEVY EQUITY MANAGEMENT, INC 110,800 62,700 -43.41 510 204 -60.00
2017-11-14 13F-HR VANGUARD GROUP INC 2,353,358 2,143,568 -8.91 10,826 6,967 -35.65
2017-11-13 13F-HR Alambic Investment Management, L.P. 114,268 98,868 -13.48 526 321 -38.97
2017-11-15 13F-HR GROUP ONE TRADING, L.P. 21,875 15,671 -28.36 101 51 -49.50
2017-11-13 13F-HR Renaissance Technologies LLC 1,326,200 1,052,100 -20.67 6,101 3,419 -43.96
2017-05-24 13F-HR/A-2 FNY Partners Fund LP Call 2 0 -100.00 0 0
2017-08-08 13F-HR CIM INVESTMENT MANGEMENT INC 10,896 0 -100.00 41 0 -100.00
2017-08-03 13F-HR GABELLI SECURITIES, INC. 10,000 0 -100.00 38 0 -100.00
2017-08-14 13F-HR DIAM Co., Ltd. 27,427 0 -100.00 106 0 -100.00
2017-11-06 13F-HR RHUMBLINE ADVISERS 65,586 66,571 1.50 302 216 -28.48
2017-10-13 13F-HR ACADIAN ASSET MANAGEMENT LLC 0 39,420 0 128
2017-11-01 13F-HR GABELLI FUNDS LLC 204,000 182,000 -10.78 938 592 -36.89
2017-11-13 13F-HR Bellevue Group AG 165,000 165,000 0.00 759 536 -29.38
2017-11-09 13F-HR WELLS FARGO & COMPANY/MN 42,925 47,314 10.22 197 153 -22.34
2017-10-17 13F-HR Cutler Group LP Put 4,900 1,700 -65.31 10 3 -70.00
2017-11-08 13F-HR Zurcher Kantonalbank (Zurich Cantonalbank) 968 968 0.00 4 3 -25.00
2017-10-13 13F-HR Horan Securities, Inc. 340 190 -44.12 1 1 0.00
2017-11-13 13F-HR DIMENSIONAL FUND ADVISORS LP 753,402 1,431,185 89.96 3,466 4,651 34.19
2017-08-11 13F-HR OXFORD ASSET MANAGEMENT 356,686 0 -100.00 1,338 0 -100.00
2017-11-09 13F-HR CITADEL ADVISORS LLC 40,561 99,599 145.55 187 324 73.26
2017-08-02 13F-HR IFC Holdings Incorporated/FL 13,500 0 -100.00 50 0 -100.00
2017-11-14 13F-HR BlackRock Inc. 3,801,662 3,840,506 1.02 17,489 12,481 -28.64
2017-11-13 13F-HR SCHWAB CHARLES INVESTMENT MANAGEMENT INC 122,372 226,235 84.87 563 736 30.73
2017-11-03 13F-HR CHASE INVESTMENT COUNSEL CORP 13,500 13,500 0.00 62 43 -30.65
2017-11-14 13F-HR GOLDMAN SACHS GROUP INC 62,032 62,154 0.20 285 202 -29.12
2017-06-13 SC 13G 1Globe Capital LLC 3,082,019
2017-11-14 13F-HR UBS Group AG 10,270 17,101 66.51 47 56 19.15
2017-11-14 13F-HR TWO SIGMA SECURITIES, LLC 28,108 68,624 144.14 129 223 72.87
2017-11-13 13F-HR NORTHERN TRUST CORP 546,294 554,960 1.59 2,513 1,803 -28.25
2017-11-01 13F-HR Teton Advisors, Inc. 68,000 68,000 0.00 313 221 -29.39
2017-08-02 13F-HR WEDBUSH SECURITIES INC 10,500 0 -100.00 39 0 -100.00
2017-11-14 13F-HR PARAMETRIC PORTFOLIO ASSOCIATES LLC 148,085 27,842 -81.20 681 90 -86.78
2017-11-14 13F-HR D. E. Shaw & Co., Inc. 0 114,924 0 374
2017-11-13 13F-HR TIAA CREF INVESTMENT MANAGEMENT LLC 461,451 283,126 -38.64 2,123 920 -56.67
2017-11-14 13F-HR DEUTSCHE BANK AG\ 713,452 681,397 -4.49 3,280 2,214 -32.50
2017-11-01 13F-HR/A-1 Financial Architects, Inc 0 800 0 3
2017-11-06 13F-HR Bank of New York Mellon Corp 255,975 227,494 -11.13 1,178 740 -37.18
2017-10-11 13F-HR FRANKLIN STREET ADVISORS INC /NC 45,250 64,550 42.65 208 210 0.96
2017-10-30 13F-HR IFP Advisors, Inc 0 1,000 0 3
2017-08-14 13F-HR VIRTUS ETF ADVISERS LLC 39,698 0 -100.00 149 0 -100.00
2017-10-13 13F-HR Pennsylvania Trust Co 1,692,104 1,511,104 -10.70 7,784 4,911 -36.91
2017-11-09 13F-HR South Dakota Investment Council 706,207 706,207 0.00 3,249 2,295 -29.36
2017-11-15 13F-HR Janney Montgomery Scott LLC 25,900 26,200 1.16 119 85 -28.57
2017-11-09 13F-HR FNY Managed Accounts LLC 11,600 37
2017-11-08 13F-HR Jasper Ridge Partners, L.P. 11,674 11,674 0.00 54 38 -29.63
2017-08-14 13F-HR TUDOR INVESTMENT CORP ET AL 82,700 0 -100.00 310 0 -100.00
2017-11-14 13F-HR GOLDMAN SACHS GROUP INC Put 10,500 14,000 33.33 48 46 -4.17
2017-11-14 13F-HR PRICE T ROWE ASSOCIATES INC /MD/ 10,814 10,814 0.00 50 35 -30.00
2017-11-14 13F-HR STATE STREET CORP 855,928 840,398 -1.81 3,936 2,732 -30.59
2017-10-30 13F-HR MCF Advisors LLC 2,000 2,000 0.00 9 7 -22.22
2017-11-15 13F-HR WOLVERINE TRADING, LLC 0 28,252 0 92
2017-10-23 13F-HR Nationwide Fund Advisors 56,815 56,815 0.00 261 185 -29.12
2017-11-13 13F-HR CITIGROUP INC Put 31,500 41,500 31.75 145 135 -6.90
2017-11-14 13F-HR BOGLE INVESTMENT MANAGEMENT L P /DE/ 684,718 0 -100.00 3,149 0 -100.00
2017-11-14 13F-HR MANUFACTURERS LIFE INSURANCE COMPANY, THE 39,499 2,221 -94.38 182 7 -96.15
2017-11-09 13F-HR CITADEL ADVISORS LLC Put 31,200 32,300 3.53 144 105 -27.08
2017-11-14 13F-HR QCM Cayman, Ltd. 27,764 90
2017-08-01 13F-HR Tradewinds Capital Management, LLC 875 0 -100.00 3 0 -100.00
2017-11-07 13F-HR NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO 2,289 2,189 -4.37 11 7 -36.36
2017-11-14 13F-HR ROYAL BANK OF CANADA 454 7,563 1,565.86 2 25 1,150.00
2017-11-14 13F-HR MORGAN STANLEY 228,383 287,177 25.74 1,050 933 -11.14
2017-11-14 13F-HR BALYASNY ASSET MANAGEMENT LLC 0 10,900 0 35
2017-11-15 13F-HR Ameritas Investment Partners, Inc. 3,855 3,855 0.00 18 11 -38.89
2017-11-14 13F-HR GEODE CAPITAL MANAGEMENT, LLC 399,083 409,164 2.53 1,835 1,329 -27.57
2017-11-14 13F-HR SUSQUEHANNA INTERNATIONAL GROUP, LLP Call 132,100 29,400 -77.74 608 96 -84.21
2017-11-09 13F-HR JP MORGAN CHASE & CO 103,848 19,287 -81.43 478 61 -87.24
2017-10-30 13F-HR PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO 12,384 12,384 0.00 57 40 -29.82
2017-11-07 13F-HR Russell Investments Group, Ltd. 7,500 5,000 -33.33 35 16 -54.29
2017-11-13 13F-HR STIFEL FINANCIAL CORP 15,816 14,858 -6.06 72 50 -30.56
2017-11-13 13F-HR ProShare Advisors LLC 31,182 32,868 5.41 143 107 -25.17
2017-11-08 13F-HR Dynamic Technology Lab Private Ltd 0 21,712 0 71
2017-11-03 13F-HR Swiss National Bank 82,230 82,230 0.00 378 267 -29.37
2017-11-15 13F-HR WOLVERINE TRADING, LLC Put 62,200 44,100 -29.10 286 143 -50.00
2017-11-09 13F-HR GREAT WEST LIFE ASSURANCE CO /CAN/ 4,801 4,801 0.00 22 15 -31.82
2017-11-14 13F-HR Voya Investment Management LLC 23,006 23,006 0.00 106 75 -29.25
2017-11-06 13F-HR NEW YORK STATE COMMON RETIREMENT FUND 46,900 46,900 0.00 216 152 -29.63
2017-10-25 13F-HR SIMPLEX TRADING, LLC Put 179 181 1.12 2 2 0.00
2017-11-14 13F-HR PDT Partners, LLC 472,200 304,200 -35.58 2,172 989 -54.47
2017-11-14 13F-HR Palo Alto Investors, LLC 340,320 340,320 0.00 1,565 1,106 -29.33
2017-10-17 13F-HR Cutler Group LP 10,786 9,916 -8.07 49 32 -34.69
2017-11-14 13F-HR NUMERIC INVESTORS LLC 284,900 285,000 0.04 1,311 926 -29.37
2017-11-13 SC 13D Vatera Holdings Llc 6,729,459
2017-11-14 13F-HR BARCLAYS PLC Put 8,000 8,400 5.00 37 27 -27.03
2017-11-06 13F-HR Advisor Group, Inc. 1,000 2,000 100.00 5 6 20.00
2017-11-13 13F-HR FEDERATED INVESTORS INC /PA/ 67,771 81,842 20.76 312 266 -14.74
2017-11-13 13F-HR TEACHERS ADVISORS INC 149,128 143,186 -3.98 686 465 -32.22
2017-08-08 13F-HR Pacad Investment Ltd. 2,700 0 -100.00 10 0 -100.00
2017-11-17 13F-HR/A-1 Virtu Financial LLC 88,511 288
2017-11-14 13F-HR JANE STREET GROUP, LLC 0 22,446 0 73
2017-11-07 13F-HR SG Americas Securities, LLC 10,019 20,170 101.32 46 66 43.48
2017-11-14 13F-HR A.R.T. Advisors, LLC 290,398 189,498 -34.75 1,335 615 -53.93
2017-11-15 13F-HR WOLVERINE TRADING, LLC Call 53,600 31,200 -41.79 247 101 -59.11
2017-11-13 13F-HR ALLIANCEBERNSTEIN L.P. 78,600 78,600 0.00 362 255 -29.56
2017-11-13 13F-HR UBS ASSET MANAGEMENT AMERICAS INC 37,400 37,400 0.00 172,040 121,550 -29.35
2017-10-27 13F-HR VICTORY CAPITAL MANAGEMENT INC 889 889 0.00 4 3 -25.00
2017-11-13 13F-HR CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 84,878 77,578 -8.60 390 252 -35.38
2017-11-14 13F-HR TWO SIGMA ADVISERS, LP 14,700 14,700 0.00 68 48 -29.41
2017-11-09 13F-HR CITADEL ADVISORS LLC Call 38,400 29,600 -22.92 177 96 -45.76
2017-11-06 13F-HR CAM Group Holding A/S 592,946 0 -100.00 2,728 0 -100.00
2017-11-13 13F-HR LEVIN CAPITAL STRATEGIES, L.P. 24,224 0 -100.00 111 0 -100.00
2017-11-07 13F-HR Commonwealth Equity Services, Inc 13,123 13,123 0.00 60 42 -30.00
2017-11-15 13F-HR GROUP ONE TRADING, L.P. Call 30,800 20,700 -32.79 142 67 -52.82
2017-11-14 13F-HR GOLDMAN SACHS GROUP INC Call 52,100 23,900 -54.13 240 78 -67.50
2017-10-25 13F-HR SIMPLEX TRADING, LLC Call 286 257 -10.14 14 1 -92.86
2017-11-14 13F-HR HIGHBRIDGE CAPITAL MANAGEMENT LLC 50,584 48,716 -3.69 232 158 -31.90
2017-11-14 13F-HR BARCLAYS PLC Call 14,000 10,300 -26.43 64 33 -48.44
2017-11-14 13F-HR SUSQUEHANNA INTERNATIONAL GROUP, LLP Put 332,000 210,600 -36.57 1,527 684 -55.21
2017-11-03 13F-HR BNP PARIBAS ARBITRAGE, SA 5,055 4,731 -6.41 23,253 15,376 -33.88
2017-11-13 13F-HR FMR LLC / Fidelity Management & Research 5,085,702 4,948,352 -2.70 23,394 16,082 -31.26
2017-11-14 13F-HR BANK OF AMERICA CORP /DE/ 10,492 19,502 85.87 48 63 31.25
2017-10-24 13F-HR FIRST TRUST ADVISORS LP 0 12,907 0 42
2017-11-06 13F-HR DekaBank Deutsche Girozentrale 25,900 25,900 0.00 119 80 -32.77
2017-11-07 13F-HR Cambridge Investment Research Advisors, Inc. 10,800 10,800 0.00 50 35 -30.00
2017-11-15 13F-HR LADENBURG THALMANN FINANCIAL SERVICES INC 230 230 0.00 1 1 0.00
2017-11-07 13F-HR AMERIPRISE FINANCIAL INC 35,525 35,375 -0.42 164 115 -29.88
2017-11-14 13F-HR MILLENNIUM MANAGEMENT LLC 340,230 173,595 -48.98 1,565 564 -63.96
2017-08-25 13F-HR/A-1 ONTARIO TEACHERS PENSION PLAN BOARD 854,564 0 -100.00 20,680 0 -100.00
2017-11-13 13F-HR CITIGROUP INC 30,264 31,937 5.53 139 104 -25.18
2017-08-10 13F-HR FNY Partners Fund LP 1,900 0 -100.00 7 0 -100.00
2017-10-31 13F-HR STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 18,843 18,843 0.00 87 61 -29.89
2017-07-25 13F-HR Plante Moran Financial Advisors, LLC 200 0 -100.00 1 0 -100.00
2017-11-14 13F-HR BRIDGEWAY CAPITAL MANAGEMENT INC 349,000 349,000 0.00 1,605 1,134 -29.35
2017-11-13 13F-HR CITIGROUP INC Call 40,400 59,400 47.03 186 193 3.76
2017-11-09 13F-HR Legal & General Group Plc 12,813 12,813 0.00 59 41 -30.51
2017-08-09 13F-HR COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS 238,081 0 -100.00 893 0 -100.00
2017-11-14 13F-HR Walleye Trading LLC Call 2,400 2,400 0.00 11 9 -18.18
2017-11-14 13F-HR SUSQUEHANNA INTERNATIONAL GROUP, LLP 174,440 179,340 2.81 802 582 -27.43
2017-10-20 13F-HR MEEDER ASSET MANAGEMENT INC 440 440 0.00 2 1 -50.00
2017-08-11 13F-HR KCG HOLDINGS, INC. 100,879 12,155 -87.95 378 56 -85.19
2017-11-14 13F-HR Walleye Trading LLC 0 106,299 0 345
CUSIP: 15130J109