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IRONWOOD PHARMACEUTICALS INC COM CL A
IRONWOOD PHARMACEUTICALS INC COM CL A. Institutional holdings reported to the SEC.

Institutional Holders (2015Q4)
Portfolio Summary: 143 Institutional holders with a total value of $1,626,479,876.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 FMR LLC 19,372,317 224,525,000 13.80%
2 WELLINGTON MANAGEMENT GROUP LLP 17,778,210 206,050,000 12.67%
3 JANUS HENDERSON INVESTORS US LLC 15,761,668 182,672,000 11.23%
4 ORBIMED ADVISORS LLC 11,226,400 130,114,000 8.00%
5 VANGUARD GROUP INC 8,810,823 102,117,000 6.28%
6 RUBRIC CAPITAL MANAGEMENT, LLC 6,422,200 74,433,000 4.58%
7 BlackRock Fund Advisors 5,575,596 64,621,000 3.97%
8 PRICE T ROWE ASSOCIATES INC /MD/ 5,118,010 59,318,000 3.65%
9 BRIDGER MANAGEMENT, LLC 4,944,594 57,308,000 3.52%
10 Redmile Group, LLC 3,671,344 42,551,000 2.62%
11 STATE STREET CORP 3,392,238 39,316,000 2.42%
12 BlackRock Institutional Trust Company, N.A. 3,219,962 37,319,000 2.29%
13 STATE OF WISCONSIN INVESTMENT BOARD 3,041,686 35,253,000 2.17%
14 BVF INC/IL 2,935,975 34,028,000 2.09%
15 EverPoint Asset Management, LLC 2,350,000 27,237,000 1.67%
16 SECTOR GAMMA AS 1,974,421 22,884,000 1.41%
17 NORTHERN TRUST CORP 1,709,052 19,808,000 1.22%
18 DEUTSCHE BANK AG\ 1,668,824 19,340,000 1.19%
19 Point72 Asset Management, L.P. 1,537,900 17,824,000 1.10%
20 LOOMIS SAYLES & CO L P 1,519,512 17,611,000 1.08%
21 CREDIT SUISSE AG/ 1,461,380 16,937,000 1.04%
22 MORGAN STANLEY 963,822 11,170,000 0.69%
23 NORGES BANK 885,738 10,266,000 0.63%
24 GEODE CAPITAL MANAGEMENT, LLC 874,584 10,136,000 0.62%
25 Asset Management One Co., Ltd. 825,823 9,959,000 0.61%
26 EcoR1 Capital, LLC 821,531 9,522,000 0.59%
27 JPMORGAN CHASE & CO 754,529 8,745,000 0.54%
28 Lombard Odier Asset Management (USA) Corp 602,271 6,980,000 0.43%
29 Bank of New York Mellon Corp 597,171 6,921,000 0.43%
30 AXA S.A. 431,420 5,000,000 0.31%
31 BlackRock Investment Management, LLC 422,802 4,900,000 0.30%
32 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 409,780 4,750,000 0.29%
33 TIAA CREF INVESTMENT MANAGEMENT LLC 407,149 4,719,000 0.29%
34 THRIVENT FINANCIAL FOR LUTHERANS 401,986 4,659,000 0.29%
35 GUGGENHEIM CAPITAL LLC 369,971 4,288,000 0.26%
36 OXFORD ASSET MANAGEMENT LLP 357,495 4,235,000 0.26%
37 MILLENNIUM MANAGEMENT LLC 292,512 3,390,000 0.21%
38 D. E. Shaw & Co., Inc. 290,331 3,365,000 0.21%
39 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 263,300 3,052,000 0.19%
40 RENAISSANCE TECHNOLOGIES LLC 242,553 2,811,000 0.17%
41 TWO SIGMA INVESTMENTS, LP 236,926 2,746,000 0.17%
42 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 233,338 2,704,000 0.17%
43 Artal Group S.A. 216,879 2,514,000 0.15%
44 TEACHERS ADVISORS, LLC 197,975 2,295,000 0.14%
45 BANK OF AMERICA CORP /DE/ 191,461 2,219,000 0.14%
46 ALLIANCEBERNSTEIN L.P. 208,160 2,169,000 0.13%
47 PICTET ASSET MANAGEMENT LTD 184,200 2,135,000 0.13%
48 TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY 183,578 2,127,000 0.13%
49 BAKER BROS. ADVISORS LP 169,163 1,961,000 0.12%
50 ALPS ADVISORS INC 167,286 1,939,000 0.12%
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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.