Dark
Light
System
Security
AMAG PHARMACEUTICALS INC COM
AMAG PHARMACEUTICALS INC COM. Institutional holdings reported to the SEC.

Institutional Holders (2015Q1)
Portfolio Summary: 199 Institutional holders with a total value of $2,180,254,172.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 FMR LLC 4,526,011 247,392,000 11.35%
2 Palo Alto Investors LP 2,187,041 119,544,000 5.48%
3 ADAGE CAPITAL PARTNERS GP, L.L.C. 1,900,000 103,854,000 4.76%
4 WELLS FARGO & COMPANY/MN 1,666,501 91,092,000 4.18%
5 WESTFIELD CAPITAL MANAGEMENT CO LP 1,463,390 79,989,000 3.67%
6 MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 1,453,148 79,429,069 3.64%
7 PUTNAM INVESTMENTS LLC 1,236,417 67,583,000 3.10%
8 Camber Capital Management LP 1,018,246 55,657,000 2.55%
9 BlackRock Fund Advisors 1,014,092 55,430,000 2.54%
10 Invesco Ltd. 1,001,125 54,721,000 2.51%
11 VANGUARD GROUP INC 977,223 53,414,000 2.45%
12 MILLENNIUM MANAGEMENT LLC 909,205 49,697,000 2.28%
13 D. E. Shaw & Co., Inc. 829,790 45,356,000 2.08%
14 STATE STREET CORP 798,423 43,643,000 2.00%
15 PointState Capital LP 750,000 40,995,000 1.88%
16 CAMBIAR INVESTORS LLC 733,918 40,116,000 1.84%
17 EATON VANCE MANAGEMENT 709,112 38,760,000 1.78%
18 BlackRock Institutional Trust Company, N.A. 619,142 33,842,000 1.55%
19 GLENMEDE TRUST CO NA 618,639 33,814,000 1.55%
20 JANUS HENDERSON INVESTORS US LLC 607,049 33,181,000 1.52%
21 AMERICAN CENTURY COMPANIES INC 522,752 28,574,000 1.31%
22 CAPITAL GROWTH MANAGEMENT LP 522,000 28,533,000 1.31%
23 Century Capital Management, LLC 502,079 27,444,000 1.26%
24 FRONTIER CAPITAL MANAGEMENT CO LLC 482,970 26,399,000 1.21%
25 VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P. 477,800 26,116,000 1.20%
26 Allianz Asset Management GmbH 465,147 25,425,000 1.17%
27 EverPoint Asset Management, LLC 455,000 24,870,000 1.14%
28 PRICE T ROWE ASSOCIATES INC /MD/ 437,270 23,901,000 1.10%
29 Greywolf Capital Management LP 431,552 23,320,000 1.07%
30 BANK OF MONTREAL /CAN/ 418,664 22,885,000 1.05%
31 DIMENSIONAL FUND ADVISORS LP 394,713 21,576,000 0.99%
32 Krensavage Asset Management, LLC 341,091 18,644,000 0.86%
33 NORTHERN TRUST CORP 288,265 15,756,000 0.72%
34 NEXT CENTURY GROWTH INVESTORS LLC 284,488 15,550,000 0.71%
35 CASTLEARK MANAGEMENT LLC 278,213 15,207,000 0.70%
36 ORBIMED ADVISORS LLC 275,000 15,032,000 0.69%
37 Silver Point Capital L.P. 269,700 14,742,000 0.68%
38 COLUMBUS CIRCLE INVESTORS 268,091 14,654,000 0.67%
39 MARSHALL WACE, LLP 264,411 14,453,000 0.66%
40 SUSQUEHANNA INTERNATIONAL GROUP, LLP 247,039 13,503,000 0.62%
41 IRONWOOD INVESTMENT MANAGEMENT LLC 246,186 13,457,000 0.62%
42 HIGHBRIDGE CAPITAL MANAGEMENT LLC 221,739 12,120,000 0.56%
43 JPMORGAN CHASE & CO 216,789 11,850,000 0.54%
44 State of New Jersey Common Pension Fund D 211,167 11,542,000 0.53%
45 KINGDON CAPITAL MANAGEMENT, L.L.C. 209,017 11,425,000 0.52%
46 SPHERA FUNDS MANAGEMENT LTD. 200,230 10,945,000 0.50%
47 UNITED SERVICES AUTOMOBILE ASSOCIATION 196,000 10,713,000 0.49%
48 WELLINGTON MANAGEMENT GROUP LLP 192,626 10,529,000 0.48%
49 Opaleye Management Inc. 190,000 10,385,000 0.48%
50 GEODE CAPITAL MANAGEMENT, LLC 172,968 9,453,000 0.43%
Page 1 of 4

From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.