Dark
Light
System
Security
IRONWOOD PHARMACEUTICALS INC COM CL A
IRONWOOD PHARMACEUTICALS INC COM CL A. Institutional holdings reported to the SEC.

Institutional Holders (2016Q2)
Portfolio Summary: 156 Institutional holders with a total value of $1,816,367,499.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 FMR LLC 19,271,669 251,977,000 13.87%
2 WELLINGTON MANAGEMENT GROUP LLP 17,977,429 235,055,000 12.94%
3 JANUS HENDERSON INVESTORS US LLC 14,162,327 185,163,000 10.19%
4 ORBIMED ADVISORS LLC 9,949,000 130,083,000 7.16%
5 VANGUARD GROUP INC 9,379,525 122,637,000 6.75%
6 PRICE T ROWE ASSOCIATES INC /MD/ 7,501,583 98,083,000 5.40%
7 BRIDGER MANAGEMENT, LLC 5,917,663 77,373,000 4.26%
8 BlackRock Fund Advisors 5,506,855 72,002,000 3.96%
9 Consonance Capital Management LP 4,929,139 64,448,000 3.55%
10 BlackRock Institutional Trust Company, N.A. 3,293,499 43,062,000 2.37%
11 STATE STREET CORP 3,229,227 42,222,000 2.32%
12 EverPoint Asset Management, LLC 2,500,000 32,687,000 1.80%
13 EcoR1 Capital, LLC 2,430,451 31,778,000 1.75%
14 ADAGE CAPITAL PARTNERS GP, L.L.C. 1,900,000 24,843,000 1.37%
15 LOOMIS SAYLES & CO L P 1,848,031 24,163,000 1.33%
16 SECTOR GAMMA AS 1,769,368 23,134,000 1.27%
17 NORTHERN TRUST CORP 1,768,413 23,122,000 1.27%
18 STATE OF WISCONSIN INVESTMENT BOARD 1,609,897 21,049,000 1.16%
19 CREDIT SUISSE AG/ 1,585,867 20,735,000 1.14%
20 Point72 Asset Management, L.P. 1,167,183 15,261,000 0.84%
21 Granahan Investment Management, LLC 1,129,000 14,762,000 0.81%
22 Carlson Capital, L.P. 1,100,000 14,382,000 0.79%
23 DEUTSCHE BANK AG\ 1,048,613 13,708,000 0.75%
24 WOLVERINE ASSET MANAGEMENT LLC 1,008,800 13,190,000 0.73% Put
25 GEODE CAPITAL MANAGEMENT, LLC 954,033 12,473,000 0.69%
26 BLUE JAY CAPITAL MANAGEMENT, LLC 821,070 10,735,000 0.59%
27 Asset Management One Co., Ltd. 799,751 10,372,000 0.57%
28 NORGES BANK 756,734 9,894,000 0.54%
29 MILLENNIUM MANAGEMENT LLC 650,472 8,505,000 0.47%
30 Bank of New York Mellon Corp 595,939 7,792,000 0.43%
31 JPMORGAN CHASE & CO 553,489 7,237,000 0.40%
32 EverPoint Asset Management, LLC 500,000 6,538,000 0.36% Call
33 BlackRock Investment Management, LLC 481,700 6,298,000 0.35%
34 Redmile Group, LLC 442,711 5,788,000 0.32%
35 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 435,942 5,700,000 0.31%
36 TIAA CREF INVESTMENT MANAGEMENT LLC 399,290 5,221,000 0.29%
37 CLEARBRIDGE, LLC 390,435 5,105,000 0.28%
38 GOLDMAN SACHS GROUP INC 368,412 4,817,000 0.27%
39 Spark Investment Management LLC 346,100 4,525,000 0.25%
40 TWO SIGMA INVESTMENTS, LP 336,914 4,405,000 0.24%
41 BLACKROCK ADVISORS LLC 305,902 4,000,000 0.22%
42 A.R.T. Advisors, LLC 304,215 3,977,000 0.22%
43 D. E. Shaw & Co., Inc. 295,455 3,863,000 0.21%
44 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 271,710 3,553,000 0.20%
45 Fisher Asset Management, LLC 242,450 3,205,000 0.18%
46 CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM 240,800 3,149,000 0.17%
47 GUGGENHEIM CAPITAL LLC 226,387 2,960,000 0.16%
48 ALLIANCEBERNSTEIN L.P. 223,660 2,924,000 0.16%
49 TEACHERS ADVISORS, LLC 221,344 2,894,000 0.16%
50 Artal Group S.A. 216,879 2,836,000 0.16%
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.