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

Institutional Holders (2015Q1)
Portfolio Summary: 81 Institutional holders with a total value of $210,653,956.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 BAKER BROS. ADVISORS LP 6,965,432 25,842,000 12.27%
2 STATE STREET CORP 6,471,069 24,007,000 11.40%
3 Broadfin Capital, LLC 5,663,845 21,013,000 9.98%
4 PUTNAM INVESTMENTS LLC 5,507,200 20,432,000 9.70%
5 FMR LLC 4,575,770 16,976,000 8.06%
6 NATIXIS 3,148,916 11,682,000 5.55%
7 VANGUARD GROUP INC 3,035,280 11,261,000 5.35%
8 BlackRock Fund Advisors 2,428,564 9,010,000 4.28%
9 JENNISON ASSOCIATES LLC 2,141,491 7,945,000 3.77%
10 MILLENNIUM MANAGEMENT LLC 1,955,464 7,255,000 3.44%
11 BlackRock Institutional Trust Company, N.A. 1,942,504 7,207,000 3.42%
12 DEUTSCHE BANK AG\ 1,889,975 7,009,000 3.33%
13 Palo Alto Investors LP 1,170,248 4,342,000 2.06%
14 HealthCor Management, L.P. 1,165,786 4,325,000 2.05%
15 Alyeska Investment Group, L.P. 1,005,067 3,729,000 1.77%
16 NORTHERN TRUST CORP 912,650 3,386,000 1.61%
17 DIMENSIONAL FUND ADVISORS LP 771,180 2,861,000 1.36%
18 AQR CAPITAL MANAGEMENT LLC 723,721 2,685,000 1.27%
19 GEODE CAPITAL MANAGEMENT, LLC 542,277 2,011,000 0.95%
20 WALL STREET ASSOCIATES 500,000 1,855,000 0.88%
21 GUARDIAN LIFE INSURANCE CO OF AMERICA 371,759 1,379,000 0.65%
22 Connor, Clark & Lunn Investment Management Ltd. 363,000 1,347,000 0.64%
23 Bank of New York Mellon Corp 360,338 1,337,000 0.63%
24 TIAA CREF INVESTMENT MANAGEMENT LLC 274,409 1,018,000 0.48%
25 BlackRock Investment Management, LLC 250,998 931,000 0.44%
26 MYCIO WEALTH PARTNERS, LLC 200,000 742,000 0.35%
27 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 145,900 702,000 0.33%
28 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 156,906 582,000 0.28%
29 SUSQUEHANNA INTERNATIONAL GROUP, LLP 156,060 579,000 0.27%
30 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 151,729 563,000 0.27%
31 Point72 Asset Management, L.P. 137,087 509,000 0.24%
32 SABBY MANAGEMENT, LLC 118,000 438,000 0.21%
33 A.R.T. Advisors, LLC 117,881 437,000 0.21%
34 TEACHERS ADVISORS, LLC 113,117 420,000 0.20%
35 GROUP ONE TRADING LLC 109,482 406,000 0.19%
36 GOLDMAN SACHS GROUP INC 97,582 362,000 0.17%
37 LEAVELL INVESTMENT MANAGEMENT, INC. 81,271 302,000 0.14%
38 SUSQUEHANNA INTERNATIONAL GROUP, LLP 79,000 293,000 0.14% Put
39 RHUMBLINE ADVISERS 74,745 277,000 0.13%
40 CREDIT SUISSE AG/ 72,675 270,000 0.13%
41 SUSQUEHANNA INTERNATIONAL GROUP, LLP 66,800 248,000 0.12% Call
42 BLACKROCK ADVISORS LLC 55,395 206,000 0.10%
43 Nationwide Fund Advisors 50,641 188,000 0.09%
44 MANUFACTURERS LIFE INSURANCE COMPANY, THE 49,447 184,000 0.09%
45 ALLIANCEBERNSTEIN L.P. 39,500 147,000 0.07%
46 LMR Partners LLP 39,042 144,000 0.07%
47 D. E. Shaw & Co., Inc. 38,853 144,000 0.07%
48 AMERICAN INTERNATIONAL GROUP, INC. 37,858 140,453 0.07%
49 CARL DOMINO INC 37,137 138,000 0.07%
50 Tower Research Capital LLC (TRC) 36,590 136,000 0.06%
Page 1 of 2

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.