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Ironwood Pharmaceuticals Inc (NASDAQ:IRWD)

Delayed Data
As of Mar 24
 -0.01 / -0.06%
Today’s Change
Today|||52-Week Range
Institutional investors purchased a net $1.7 million shares of IRWD during the quarter ended December 2016. This may signal that the smart money is gaining interest in this company as the 106.12% of shares outstanding that institutional investors hold is actually below the Pharmaceuticals: Other industry average.
Individual stakeholders8.46%
Mutual fund holders68.90%
Other institutional37.22%

Largest Quarterly Institutional

Latest Institutional Activity

12/31/2016T. ROWE PRICE ASSOCIATES, INC.  Bought 5.7 Million shares of Ironwood Pharmaceuticals ...
12/31/2016RUBRIC CAPITAL MANAGEMENT LP  Bought 1.3 Million shares of Ironwood Pharmaceuticals ...
12/31/2016ROTHSCHILD ASSET MANAGEMENT, INC...  Bought 1.0 Million shares of Ironwood Pharmaceuticals ...

Top 10 Owners of Ironwood Pharmaceuticals Inc

Total value ($)Shares
bought / sold
Fidelity Management & Research Co...14.74%19,601,957331,077,054+184,156+0.95%
Wellington Management Co. LLP13.78%18,333,040309,645,046+151,883+0.84%
T. Rowe Price Associates, Inc.10.89%14,489,073244,720,443+5,718,180+65.19%
Janus Capital Management LLC9.35%12,433,680210,004,855-763,640-5.79%
BlackRock Fund Advisors7.52%10,000,976168,916,485+915,289+10.07%
The Vanguard Group, Inc.7.48%9,943,282167,942,033+284,949+2.95%
OrbiMed Advisors LLC5.44%7,241,300122,305,557-2,707,700-27.22%
Adage Capital Management LP4.47%5,950,000100,495,500+525,400+9.69%
SSgA Funds Management, Inc.2.85%3,791,35964,036,054+363,423+10.60%
Ecor1 Capital LLC2.15%2,855,51548,229,648+45,200+1.61%

Top 10 Mutual Funds Holding Ironwood Pharmaceuticals Inc

Mutual fundStakeShares
Total value ($)Shares
bought / sold
Fidelity Growth Company Fund4.26%5,668,99395,749,292-340,000-5.66%
T Rowe Price Health Sciences Fund3.64%4,839,28681,735,541+786,791+19.41%
Vanguard Health Care Fund3.41%4,533,88776,577,351+11,500+0.25%
T Rowe Price New Horizons Fund3.17%4,215,51371,200,015+1,247,256+42.02%
Fidelity Select Biotechnology Por...3.09%4,112,01069,451,84900.00%
Hartford Mid Cap Fund2.57%3,414,88857,677,458+6,200+0.18%
Janus Triton Fund2.29%3,051,40651,538,247+63,119+2.11%
Vanguard Small Cap Index Fund2.24%2,984,22450,403,543+55,338+1.89%
Fidelity OTC Portfolio2.17%2,893,44248,870,235-74,200-2.50%
Vanguard Total Stock Market Index...2.15%2,855,40348,227,757+89,898+3.25%