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

Institutional Holders (2014Q4)
Portfolio Summary: 68 Institutional holders with a total value of $127,451,294.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 FMR LLC 3,895,270 17,178,000 13.48%
2 Broadfin Capital, LLC 3,525,700 15,548,000 12.20%
3 NATIXIS 3,148,916 13,887,000 10.90%
4 MILLENNIUM MANAGEMENT LLC 2,515,159 11,092,000 8.70%
5 VANGUARD GROUP INC 2,335,456 10,299,000 8.08%
6 BlackRock Fund Advisors 1,689,211 7,449,000 5.84%
7 BAKER BROS. ADVISORS LP 1,628,172 7,181,000 5.63%
8 DEUTSCHE BANK AG\ 1,417,664 6,250,000 4.90%
9 BlackRock Institutional Trust Company, N.A. 899,600 3,967,000 3.11%
10 STATE STREET CORP 862,899 3,803,000 2.98%
11 HealthCor Management, L.P. 808,292 3,565,000 2.80%
12 DIMENSIONAL FUND ADVISORS LP 771,180 3,401,000 2.67%
13 NORTHERN TRUST CORP 661,193 2,916,000 2.29%
14 AQR CAPITAL MANAGEMENT LLC 508,436 2,242,000 1.76%
15 WALL STREET ASSOCIATES 500,000 2,205,000 1.73%
16 GEODE CAPITAL MANAGEMENT, LLC 440,211 1,941,000 1.52%
17 GUARDIAN LIFE INSURANCE CO OF AMERICA 371,759 1,639,000 1.29%
18 Bank of New York Mellon Corp 266,428 1,175,000 0.92%
19 SUSQUEHANNA INTERNATIONAL GROUP, LLP 261,025 1,151,000 0.90%
20 TIAA CREF INVESTMENT MANAGEMENT LLC 207,365 914,000 0.72%
21 MYCIO WEALTH PARTNERS, LLC 200,000 882,000 0.69%
22 Connor, Clark & Lunn Investment Management Ltd. 196,900 868,000 0.68%
23 BlackRock Investment Management, LLC 177,788 784,000 0.62%
24 A.R.T. Advisors, LLC 176,929 780,000 0.61%
25 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 145,900 702,000 0.55%
26 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 111,106 490,000 0.38%
27 GROUP ONE TRADING LLC 106,865 471,000 0.37%
28 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 88,300 390,000 0.31%
29 CREDIT SUISSE AG/ 84,378 372,000 0.29%
30 TEACHERS ADVISORS, LLC 83,509 368,000 0.29%
31 LEAVELL INVESTMENT MANAGEMENT, INC. 81,271 358,000 0.28%
32 RHUMBLINE ADVISERS 53,395 235,000 0.18%
33 METROPOLITAN LIFE INSURANCE CO/NY 51,319 226,000 0.18%
34 OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) 50,000 220,000 0.17%
35 Nationwide Fund Advisors 46,907 207,000 0.16%
36 MANUFACTURERS LIFE INSURANCE COMPANY, THE 39,398 174,000 0.14%
37 AMERICAN INTERNATIONAL GROUP, INC. 37,858 166,954 0.13%
38 CARL DOMINO INC 37,137 164,000 0.13%
39 BLACKROCK ADVISORS LLC 37,022 163,000 0.13%
40 Invesco Ltd. 31,966 141,000 0.11%
41 Spot Trading L.L.C 30,684 135,000 0.11%
42 MORGAN STANLEY 28,335 125,000 0.10%
43 ALLIANCEBERNSTEIN L.P. 28,300 125,000 0.10%
44 CITADEL ADVISORS LLC 25,578 113,000 0.09%
45 Paloma Partners Management Co 23,306 103,000 0.08%
46 CITIGROUP INC 22,680 100,000 0.08%
47 SUSQUEHANNA INTERNATIONAL GROUP, LLP 20,300 90,000 0.07% Call
48 Cambridge Investment Research Advisors, Inc. 20,000 88,000 0.07%
49 BANK OF AMERICA CORP /DE/ 19,325 85,000 0.07%
50 GUGGENHEIM CAPITAL LLC 17,761 79,000 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.