SecurityAMPH / Amphastar Pharmaceuticals, Inc. (03209R103)
CEO & Chief Scientific OfficerZhang Jack Y.
IndustryPharmaceutical Preparations
Institutional Owners123
Institutional Shares25,684,542 - 55.05%
Common Stock Shares Outstanding46,656,793 shares (as of 2018-03-31)
Institutional Value$ 8,261,995,000 USD

Institutional Stock Ownership and Shareholders()

AMPH / Amphastar Pharmaceuticals, Inc. Institutional Ownership

Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) has 123 institutional investors and shareholders that have filed 13D/G or 13F forms with the Securities Exchange Commission (SEC). These institutions hold a total of 25,684,542 shares. Largest shareholders include BlackRock Inc., BlackRock Fund Advisors, Vanguard Group Inc, Dimensional Fund Advisors Lp, Federated Investors Inc /pa/, Invesco Ltd., State Street Corp, BlackRock Institutional Trust Company, N.A., Teachers Advisors Inc, and Northern Trust Corp.
Amphastar Pharmaceuticals, Inc. (NASDAQ:AMPH) 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.

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File DateFormInvestor Opt Prev
Shares
Current
Shares
Change
(Percent)
Prev Value
($1000)
Current Value
($1000)
Change
(Percent)
2018-05-07 13F-HR STATE OF WISCONSIN INVESTMENT BOARD 28,000 28,000 0.00 539 525 -2.60
2018-05-10 13F-HR GREAT WEST LIFE ASSURANCE CO /CAN/ 46,337 43,863 -5.34 891 822 -7.74
2018-04-18 13F-HR Creative Planning 92,948 80,948 -12.91 1,788 1,518 -15.10
2018-05-14 13F-HR MORGAN STANLEY 128,203 193,011 50.55 2,466 3,619 46.76
2018-05-08 13F-HR Aperio Group, LLC 15,004 15,113 0.73 289 283 -2.08
2018-05-15 13F-HR PANAGORA ASSET MANAGEMENT INC 0 31,820 0 597
2018-05-11 13F-HR State of Tennessee, Treasury Department 28,665 25,941 -9.50 552 486 -11.96
2018-02-14 13F-HR CORNERSTONE CAPITAL MANAGEMENT HOLDINGS LLC. 283,200 255,300 -9.85 5,060 4,911 -2.94
2017-02-10 13F-HR BlackRock Investment Management, LLC 154,096 187,464 21.65 2,923 3,453 18.13
2018-05-16 13F-HR ASSETMARK, INC 11 0 -100.00 0 0
2018-05-15 13F-HR Marshall Wace North America L.P. 154,114 163,494 6.09 2,965 3,066 3.41
2018-04-12 13F-HR CITY HOLDING CO 400 400 0.00 8 8 0.00
2017-01-13 13F-HR MetLife Securities, Inc 494 300 -39.27 9 6 -33.33
2018-05-09 13F-HR Piermont Capital Management LLC 12,730 10,870 -14.61 245 204 -16.73
2018-05-15 13F-HR Metlife Investment Advisors, Llc 18,205 18,205 0.00 350 341 -2.57
2018-05-15 13F-HR Ameritas Investment Partners, Inc. 3,073 3,073 0.00 59 58 -1.69
2018-05-14 13F-HR FMR LLC / Fidelity 148,408 0 -100.00 2,855 0 -100.00
2018-05-14 13F-HR BlueMountain Capital Management, LLC 42,299 793
2018-07-17 13F-HR Winslow, Evans & Crocker, Inc. 1,758 0 -100.00 32,964 0 -100.00
2018-04-26 13F-HR SIMPLEX TRADING, LLC Call 0 50 0 44
2018-07-11 13F-HR Lowe fs, LLC 100 100 0.00 2 2 0.00
2018-05-11 13F-HR CITADEL ADVISORS LLC 34,180 641
2018-05-11 13F-HR SEI INVESTMENTS CO 67,175 64,741 -3.62 1,292 1,213 -6.11
2018-05-15 13F-HR Paloma Partners Management Co 10,261 0 -100.00 197 0 -100.00
2018-05-14 13F-HR CADENCE CAPITAL MANAGEMENT LLC 24,685 27,593 11.78 475 517 8.84
2018-05-02 13F-HR WELLS FARGO & COMPANY/MN 176,323 192,369 9.10 3,392 3,606 6.31
2018-07-13 13F-HR Campbell & CO Investment Adviser LLC 23,341 0 -100.00 438 0 -100.00
2018-05-15 13F-HR STATE STREET CORP 974,179 987,884 1.41 18,743 18,524 -1.17
2018-05-10 13F-HR JP Morgan Chase & Co 447,410 295,724 -33.90 8,608 5,545 -35.58
2018-05-08 13F-HR ROTHSCHILD ASSET MANAGEMENT INC 326,337 315,684 -3.26 6,279 5,919 -5.73
2018-04-25 13F-HR BOSTON ADVISORS LLC 39,920 42,653 6.85 768 800 4.17
2018-04-18 13F-HR Louisiana State Employees Retirement System 15,200 15,700 3.29 292 294 0.68
2018-04-30 13F-HR Skandinaviska Enskilda Banken AB (publ) 139,100 124,300 -10.64 2,676 2,331 -12.89
2018-05-08 13F-HR TEACHER RETIREMENT SYSTEM OF TEXAS 12,555 0 -100.00 242 0 -100.00
2018-05-11 13F-HR CITIGROUP INC 135,472 103,919 -23.29 2,606 1,949 -25.21
2018-05-11 13F-HR LOOMIS SAYLES & CO L P 1,771 1,868 5.48 34 35 2.94
2018-07-10 13F-HR State of Alaska, Department of Revenue 11,392 11,732 2.98 213 179 -15.96
2018-05-14 13F-HR TIAA CREF INVESTMENT MANAGEMENT LLC 90,094 131,942 46.45 1,733 2,474 42.76
2018-05-15 13F-HR LADENBURG THALMANN FINANCIAL SERVICES INC 200 266 33.00 4 5 25.00
2018-05-14 13F-HR/A CITADEL ADVISORS LLC 0 34,180 0 641
2018-05-11 13F-HR Cortina Asset Management, LLC 261,692 4,907
2018-05-15 13F-HR Point72 Asia (Hong Kong) Ltd 137 3
2017-02-10 13F-HR BlackRock Group LTD 37,961 66,021 73.92 721 1,217 68.79
2018-05-03 13F-HR MEEDER ASSET MANAGEMENT INC 2,620 2,914 11.22 50 55 10.00
2018-05-14 13F-HR AMERIPRISE FINANCIAL INC 180,870 185,290 2.44 3,480 3,475 -0.14
2018-05-15 13F-HR Tower Research Capital LLC (TRC) 0 2,658 0 50
2018-05-15 13F-HR GOLDMAN SACHS GROUP INC 204,190 198,135 -2.97 3,929 3,715 -5.45
2018-05-15 13F-HR DEUTSCHE BANK AG\ 110,347 81,667 -25.99 2,120 1,529 -27.88
2018-05-09 13F-HR BlackRock Inc. 5,514,765 5,401,823 -2.05 106,106 101,284 -4.54
2018-05-09 13F-HR IFP Advisors, Inc 310 1,310 322.58 6 25 316.67
2018-07-09 13F-HR Fisher Asset Management, LLC 305,279 130,468 -57.26 5,724 1,991 -65.22
2018-05-08 13F-HR THRIVENT FINANCIAL FOR LUTHERANS 22,300 22,872 2.57 429 429 0.00
2018-05-10 13F-HR Municipal Employees' Retirement System of Michigan 13,390 14,140 5.60 258 265 2.71
2018-05-15 13F-HR QS Investors, LLC 79,064 74,279 -6.05 1,521 1,393 -8.42
2018-04-12 13F-HR ACADIAN ASSET MANAGEMENT LLC 171,262 168,084 -1.86 3,295 3,152 -4.34
2018-05-10 13F-HR NEW YORK STATE COMMON RETIREMENT FUND 42,720 42,720 0.00 822 801 -2.55
2018-05-15 13F-HR Parallax Volatility Advisers, L.P. 5,544 0 -100.00 107 0 -100.00
2018-05-15 13F-HR BANK OF AMERICA CORP /DE/ 12,462 17,926 43.85 240 335 39.58
2018-05-15 13F-HR Voya Investment Management LLC 61,084 61,084 0.00 1,175 1,145 -2.55
2018-05-23 13F-HR/A Allianz Asset Management AG 81,688 79,912 -2.17 1,572 1,498 -4.71
2018-05-02 13F-HR RHUMBLINE ADVISERS 80,688 83,152 3.05 1,552 1,559 0.45
2018-07-06 13F-HR Versant Capital Management, Inc 15 15 0.00 0 0
2018-05-07 13F-HR SCHWAB CHARLES INVESTMENT MANAGEMENT INC 186,341 182,749 -1.93 3,586 3,427 -4.43
2018-05-03 13F-HR ARGENT CAPITAL MANAGEMENT LLC 229,740 230,775 0.45 4,282 4,327 1.05
2018-05-15 13F-HR AQR CAPITAL MANAGEMENT LLC 20,502 20,502 0.00 394 384 -2.54
2018-05-15 13F-HR Cubist Systematic Strategies, LLC 1,123 0 -100.00 22 0 -100.00
2018-05-10 13F-HR PUBLIC SECTOR PENSION INVESTMENT BOARD 22,698 22,698 0.00 437 426 -2.52
2017-02-10 13F-HR BlackRock Fund Advisors 3,085,037 3,900,323 26.43 58,523 71,844 22.76
2018-05-11 13F-HR TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY 7,800 7,031 -9.86 150 132 -12.00
2018-05-07 13F-HR AMERICAN INTERNATIONAL GROUP INC 28,744 23,199 -19.29 553 435 -21.34
2018-05-15 13F-HR A.R.T. Advisors, LLC 0 16,984 0 318
2018-05-15 13F-HR Brandywine Global Investment Management, LLC 0 12,800 0 240
2018-07-13 13F-HR BANK OF MONTREAL /CAN/ 1,867 2,191 17.35 35 33 -5.71
2018-04-20 13F-HR TEXAS PERMANENT SCHOOL FUND 23,931 23,437 -2.06 460 439 -4.57
2018-05-03 13F-HR Zurcher Kantonalbank (Zurich Cantonalbank) 3,188 3,188 0.00 61 60 -1.64
2018-05-14 13F-HR MASON STREET ADVISORS, LLC 9,208 9,821 6.66 177 184 3.95
2018-05-11 13F-HR Russell Investments Group, Ltd. 62,640 49,320 -21.26 1,237 911 -26.35
2018-05-11 13F-HR PNC FINANCIAL SERVICES GROUP, INC. 1,422 1,399 -1.62 27 26 -3.70
2018-05-14 13F-HR PARAMETRIC PORTFOLIO ASSOCIATES LLC 71,182 75,132 5.55 1,370 1,409 2.85
2017-04-26 13F-HR KALMAR INVESTMENTS INC /DE/ 240,648 114,470 -52.43 4,433 1,660 -62.55
2018-05-15 13F-HR BARCLAYS PLC 5,784 17,530 203.08 112 328 192.86
2018-05-15 13F-HR Squarepoint Ops LLC 0 18,018 0 338
2018-05-14 13F-HR NORDEA INVESTMENT MANAGEMENT AB 130,077 167,671 28.90 2,503 3,144 25.61
2018-05-15 13F-HR METROPOLITAN LIFE INSURANCE CO/NY 11,917 12,543 5.25 229 235,182 102,599.56
2018-05-14 13F-HR Laurion Capital Management LP 17,100 0 -100.00 329 0 -100.00
2018-05-14 13F-HR ALLIANCEBERNSTEIN L.P. 113,520 103,570 -8.76 2,184 1,942 -11.08
2018-05-09 13F-HR KBC Group NV 46,016 61,241 33.09 885 1,148 29.72
2018-05-14 13F-HR UBS ASSET MANAGEMENT AMERICAS INC 401,537 338,783 -15.63 7,725,571 6,352,183 -17.78
2018-05-15 13F-HR TWO SIGMA ADVISERS, LP 0 12,200 0 229
2018-05-14 13F-HR Stone Ridge Asset Management LLC 11,145 11,145 0.00 214 209 -2.34
2017-02-10 13F-HR BlackRock Institutional Trust Company, N.A. 852,106 908,921 6.67 16,164 16,742 3.58
2018-05-01 13F-HR NEW YORK STATE TEACHERS RETIREMENT SYSTEM 14,596 14,596 0.00 281 274 -2.49
2018-05-15 13F-HR DRIEHAUS CAPITAL MANAGEMENT LLC 11,902 0 -100.00 229 0 -100.00
2018-05-17 13F-HR Legal & General Group Plc 65,586 65,680 0.14 1,263 1,225 -3.01
2018-05-15 13F-HR GEODE CAPITAL MANAGEMENT, LLC 332,824 341,466 2.60 6,403 6,402 -0.02
2018-04-06 13F-HR Eqis Capital Management, Inc. 0 21,206 0 398
2018-05-14 13F-HR RAYMOND JAMES & ASSOCIATES 25,763 33,752 31.01 496 633 27.62
2018-05-09 13F-HR FEDERATED INVESTORS INC /PA/ 1,049,395 1,049,410 0.00 20,190 19,676 -2.55
2018-05-11 13F-HR Cutler Group LP Call 900 400 -55.56 1 0 -100.00
2018-05-15 13F-HR Bank of New York Mellon Corp 404,789 414,388 2.37 7,788 7,770 -0.23
2018-05-10 13F-HR Matarin Capital Management, LLC 52,417 52,417 0.00 1,008,503 982,819 -2.55
2018-04-20 13F-HR STRS OHIO 600 26,400 4,300.00 11 495 4,400.00
2018-05-15 13F-HR VANGUARD GROUP INC 2,288,451 2,329,808 1.81 44,029 43,684 -0.78
2018-05-10 13F-HR BLUESTEIN R H & CO 15,000 15,000 0.00 289 281 -2.77
2018-05-15 13F-HR Point72 Asset Management, L.P. 94,820 65,000 -31.45 1,824 1,219 -33.17
2018-05-15 13F-HR CREDIT SUISSE AG/ 49,131 51,108 4.02 946 958 1.27
2018-05-11 13F-HR DIMENSIONAL FUND ADVISORS LP 1,631,802 1,685,448 3.29 31,397 31,602 0.65
2018-05-01 13F-HR COMERICA BANK 36,536 37,028 1.35 706 721 2.12
2018-05-14 13F-HR TEACHERS ADVISORS INC 550,310 550,030 -0.05 10,588 10,313 -2.60
2018-05-04 13F-HR PRUDENTIAL FINANCIAL INC 57,530 62,380 8.43 1,107 1,170 5.69
2018-05-02 13F-HR Daiwa Securities Group Inc. 254 5
2018-05-03 13F-HR DekaBank Deutsche Girozentrale 24,600 19,200 -21.95 366 355 -3.01
2018-05-15 13F-HR MANUFACTURERS LIFE INSURANCE COMPANY, THE 28,600 27,787 -2.84 550 521 -5.27
2018-05-18 13F-HR/A ROYAL BANK OF CANADA 900 922 2.44 17 17 0.00
2018-05-15 13F-HR Invesco Ltd. 1,010,740 1,000,797 -0.98 19,447 18,765 -3.51
2018-05-14 13F-HR Arizona State Retirement System 59,499 55,899 -6.05 1,145 1,048 -8.47
2018-05-02 13F-HR Parkside Financial Bank & Trust 29 58 100.00 1 1 0.00
2018-05-14 13F-HR Renaissance Technologies LLC 11,800 51,600 337.29 227 968 326.43
2018-05-14 13F-HR ProShare Advisors LLC 31,232 26,993 -13.57 601 506 -15.81
2018-05-15 13F-HR SPRINGBOK CAPITAL MANAGEMENT, LLC 0 1,750 0 33
2018-05-08 13F-HR LS Investment Advisors, LLC 1,108 1,108 0.00 21 21 0.00
2018-05-04 13F-HR Swiss National Bank 66,400 66,400 0.00 1,278 1,245 -2.58
2018-05-15 13F-HR TWO SIGMA INVESTMENTS LLC 0 44,676 0 838
2018-05-03 13F-HR MACKAY SHIELDS LLC 229,000 4,294
2018-05-11 13F-HR BNP PARIBAS ARBITRAGE, SA 14,685 11,763 -19.90 282,539 220,556 -21.94
2018-05-15 13F-HR MILLENNIUM MANAGEMENT LLC 293,672 43,626 -85.14 5,650 818 -85.52
2017-02-10 13F-HR BlackRock Advisors LLC 19,776 20,114 1.71 375 370 -1.33
2016-11-14 13F-HR MASON STREET ADVISORS, LLC 6,456 122
2018-05-15 13F-HR Advisor Group, Inc. 1,600 1,600 0.00 31 30 -3.23
2018-05-03 13F-HR PINNACLE FINANCIAL PARTNERS INC 1,000 19
2018-05-03 13F-HR BRONFMAN E.L. ROTHSCHILD, L.P. 6 6 0.00 0 0
2018-05-09 13F-HR NORTHERN TRUST CORP 469,432 467,355 -0.44 9,032 8,763 -2.98
2018-05-15 13F-HR UBS Group AG 6,595 6,947 5.34 127 131 3.15
2018-05-15 13F-HR CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 57,208 55,238 -3.44 1,101 1,036 -5.90
2017-10-26 13F-HR Acrospire Investment Management LLC 1,451 0 -100.00 26 0 -100.00

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CUSIP: 03209R103