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

Institutional Holders (2014Q4)
Portfolio Summary: 156 Institutional holders with a total value of $1,361,952,623.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 ADAGE CAPITAL PARTNERS GP, L.L.C. 3,796,592 161,810,000 11.88%
2 Palo Alto Investors LP 1,994,200 84,993,000 6.24%
3 FMR LLC 1,298,744 55,352,000 4.06%
4 WESTFIELD CAPITAL MANAGEMENT CO LP 1,236,690 52,708,000 3.87%
5 PUTNAM INVESTMENTS LLC 1,098,762 46,829,000 3.44%
6 BlackRock Fund Advisors 1,021,882 43,553,000 3.20%
7 Camber Capital Management LP 1,000,000 42,620,000 3.13%
8 WELLS FARGO & COMPANY/MN 987,383 42,083,000 3.09%
9 BANK OF MONTREAL /CAN/ 932,591 39,747,000 2.92%
10 Greywolf Capital Management LP 863,105 35,907,000 2.64%
11 STATE STREET CORP 772,826 32,936,000 2.42%
12 MILLENNIUM MANAGEMENT LLC 753,386 32,109,000 2.36%
13 VANGUARD GROUP INC 726,465 30,961,000 2.27%
14 Invesco Ltd. 661,331 28,186,000 2.07%
15 BlackRock Institutional Trust Company, N.A. 624,440 26,614,000 1.95%
16 Broadfin Capital, LLC 573,530 24,444,000 1.79%
17 D. E. Shaw & Co., Inc. 571,717 24,366,000 1.79%
18 VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P. 567,425 24,183,000 1.78%
19 ALYDAR PARTNERS LLC 542,903 23,139,000 1.70%
20 CAPITAL GROWTH MANAGEMENT LP 522,000 22,248,000 1.63%
21 Century Capital Management, LLC 518,276 22,089,000 1.62%
22 ORBIMED ADVISORS LLC 469,000 19,989,000 1.47%
23 Silver Point Capital L.P. 436,000 18,582,000 1.36%
24 PRICE T ROWE ASSOCIATES INC /MD/ 432,970 18,453,000 1.35%
25 Allianz Asset Management GmbH 404,948 17,259,000 1.27%
26 KINGDON CAPITAL MANAGEMENT, L.L.C. 418,033 17,178,000 1.26%
27 DIMENSIONAL FUND ADVISORS LP 395,511 16,857,000 1.24%
28 Krensavage Asset Management, LLC 349,042 14,876,000 1.09%
29 GLENMEDE TRUST CO NA 310,895 13,248,000 0.97%
30 PointState Capital LP 310,000 13,212,000 0.97%
31 MORGAN STANLEY 309,963 13,211,000 0.97%
32 MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 306,374 13,057,660 0.96%
33 CASTLEARK MANAGEMENT LLC 293,913 12,527,000 0.92%
34 IRONWOOD INVESTMENT MANAGEMENT LLC 262,430 11,185,000 0.82%
35 NORTHERN TRUST CORP 255,352 10,883,000 0.80%
36 Tourbillon Capital Partners, L.P. 249,600 10,638,000 0.78%
37 WELLINGTON MANAGEMENT GROUP LLP 248,861 10,606,000 0.78%
38 DRIEHAUS CAPITAL MANAGEMENT LLC 244,184 10,407,000 0.76%
39 MARSHALL WACE, LLP 226,744 9,664,000 0.71%
40 State of New Jersey Common Pension Fund D 211,167 9,000,000 0.66%
41 TEACHERS ADVISORS, LLC 197,084 8,400,000 0.62%
42 A.R.T. Advisors, LLC 171,240 7,298,000 0.54%
43 AlphaOne Investment Services, LLC 161,497 6,883,000 0.51%
44 QS Investors, LLC 154,100 6,568,000 0.48%
45 Bank of New York Mellon Corp 139,017 5,925,000 0.44%
46 PICTET ASSET MANAGEMENT LTD 131,200 5,592,000 0.41%
47 GEODE CAPITAL MANAGEMENT, LLC 129,855 5,533,000 0.41%
48 PINNACLE ASSOCIATES LTD 129,530 5,521,000 0.41%
49 SPHERA FUNDS MANAGEMENT LTD. 125,230 5,337,000 0.39%
50 HIGHBRIDGE CAPITAL MANAGEMENT LLC 123,900 5,280,000 0.39%
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.