Ironwood Pharmaceuticals Inc
IRWD- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001446847
In the last 90 days, Ironwood Pharmaceuticals Inc insiders filed 0 open-market purchases and 1 sale; 212 institutions reported holding it in 13F filings for Q2 2026, worth $675.8M in total; no superinvestor holds it.
13F holders, Q1 2024
Institutional positions in Ironwood Pharmaceuticals Inc as of Mar 31, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 261
- +11 vs. Q4 2023
- Shares held
- 172.4M
- +7.41M (+4.5%) vs. Q4 2023
- Total value
- $1.50B
- −$385.6M (−20.4%) vs. Q4 2023
- New holders
- 54
- 85 more added
- Sold out
- 43
- 84 more reduced
1 institution that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2023: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting IRWD on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 212 | $675.8M |
| Q1 2026 | 227 | $566.8M |
| Q4 2025 | 199 | $520.2M |
| Q3 2025 | 166 | $194.9M |
| Q2 2025 | 155 | $104.9M |
| Q1 2025 | 200 | $228.5M |
| Q4 2024 | 223 | $727.5M |
| Q3 2024 | 221 | $673.7M |
| Q2 2024 | 227 | $1.12B |
| Q1 2024 | 261 | $1.50B |
| Q4 2023 | 251 | $1.89B |
| Q3 2023 | 249 | $1.56B |
| Q2 2023 | 252 | $1.77B |
| Q1 2023 | 255 | $1.74B |
| Q4 2022 | 250 | $2.08B |
| Q3 2022 | 245 | $1.76B |
| Q2 2022 | 240 | $2.02B |
| Q1 2022 | 221 | $2.09B |
| Q4 2021 | 212 | $2.00B |
| Q3 2021 | 229 | $2.32B |
| Q2 2021 | 209 | $2.25B |
| Q1 2021 | 210 | $1.91B |
Institutions, Q1 2024
Shares, value and share of portfolio for each institution holding Ironwood Pharmaceuticals Inc; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Zurcher Kantonalbank (Zurich Cantonalbank) | 37,815 | $329.4K | 0.00% | +5,094+15.6% | Added |
| Arizona State Retirement System | 38,617 | $336.4K | 0.00% | −638−1.6% | Reduced |
| ProShare Advisors LLC | 38,883 | $338.7K | 0.00% | +2,917+8.1% | Added |
| Prairiewood Capital, LLC | 39,306 | $342.4K | 0.16% | −1,775−4.3% | Reduced |
| CWM Advisors, LLC | 40,769 | $355.1K | 0.04% | +6,992+20.7% | Added |
| Wolverine Asset Management LLC | 40,822 | $355.6K | 0.01% | +40,822 | New |
| Point72 (DIFC) Ltd | 41,918 | $365.1K | 0.03% | +41,918 | New |
| Amalgamated Bank | 43,209 | $376.0K | 0.00% | −10,560−19.6% | Reduced |
| Maryland State Retirement & Pension System | 49,935 | $382.3K | 0.01% | 00.0% | Unchanged |
| Teachers Retirement System of the State of Kentucky | 44,349 | $386.0K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 45,770 | $398.7K | 0.00% | +5,930+14.9% | Added |
| Intrinsic Value Partners, LLC | 47,745 | $415.9K | 0.44% | −1,710−3.5% | Reduced |
| Handelsbanken Fonder AB | 47,855 | $417.0K | 0.00% | 00.0% | Unchanged |
| E Fund Management Co., Ltd. | 48,097 | $418.9K | 0.03% | +10,410+27.6% | Added |
| Comerica Bank | 49,459 | $430.8K | 0.00% | −5,945−10.7% | Reduced |
| Creative Planning | 49,599 | $432.0K | 0.00% | −40,857−45.2% | Reduced |
| Yousif Capital Management, LLC | 50,649 | $441.2K | 0.00% | −5,749−10.2% | Reduced |
| Daiwa Securities Group Inc. | 50,870 | $443.0K | 0.00% | +48,397+1,957.0% | Added |
| Wells Fargo & Company | 51,290 | $446.7K | 0.00% | +6,860+15.4% | Added |
| Dark Forest Capital Management LP | 51,829 | $451.4K | 0.08% | +51,829 | New |
| New Vernon Capital Holdings II LLC | 52,443 | $456.8K | 0.24% | 00.0% | Unchanged |
| New York State Teachers Retirement System | 52,420 | $457.0K | 0.00% | +13,920+36.2% | Added |
| Cipher Capital LP | 52,901 | $460.8K | 0.21% | +5,353+11.3% | Added |
| XTX Topco Ltd | 55,658 | $484.8K | 0.07% | +9,213+19.8% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 55,867 | $486.6K | 0.00% | +55,867 | New |
| Harbor Capital Advisors, Inc. | 55,857 | $487.0K | 0.06% | +55,857 | New |
| Old West Investment Management, LLC | 56,457 | $491.7K | 0.25% | −464−0.8% | Reduced |
| Verition Fund Management LLC | 56,583 | $492.8K | 0.00% | +56,583 | New |
| Duality Advisers, LP | 58,915 | $513.1K | 0.05% | −5,927−9.1% | Reduced |
| Oak Associates, Ltd | 61,384 | $534.7K | 0.04% | 00.0% | Unchanged |
| Tudor Investment Corp Et Al | 64,350 | $560.5K | 0.01% | +64,350 | New |
| Janus Henderson Group PLC | 66,977 | $583.0K | 0.00% | +40.0% | Added |
| Jane Street Group, LLC | 67,482 | $587.8K | 0.00% | −229,429−77.3% | Reduced |
| Louisiana State Employees Retirement System | 68,000 | $592.3K | 0.01% | −700−1.0% | Reduced |
| Mariner, LLC | 68,790 | $599.2K | 0.00% | +41,854+155.4% | Added |
| SummerHaven Investment Management, LLC | 69,539 | $605.7K | 0.38% | +794+1.2% | Added |
| MetLife Investment Management | 71,570 | $623.4K | 0.00% | 00.0% | Unchanged |
| Gotham Asset Management, LLC | 73,954 | $644.1K | 0.01% | +11,903+19.2% | Added |
| American International Group, Inc. | 74,691 | $650.6K | 0.00% | −666−0.9% | Reduced |
| Guggenheim Capital LLC | 77,190 | $672.3K | 0.00% | −163,681−68.0% | Reduced |
| STRS Ohio | 77,700 | $676.0K | 0.00% | +77,700 | New |
| Aquatic Capital Management LLC | 78,800 | $686.3K | 0.02% | +78,800 | New |
| State of Tennessee, Treasury Department | 79,181 | $689.7K | 0.00% | +2,680+3.5% | Added |
| Allspring Global Investments Holdings, LLC | 79,361 | $691.2K | 0.00% | +30,745+63.2% | Added |
| Entropy Technologies, LP | 79,541 | $692.8K | 0.07% | +79,541 | New |
| Manufacturers Life Insurance Company, The | 80,087 | $697.6K | 0.00% | +8,239+11.5% | Added |
| First Trust Advisors LP | 81,912 | $713.5K | 0.00% | −217,333−72.6% | Reduced |
| State of Alaska, Department of Revenue | 83,698 | $729.0K | 0.01% | −827−1.0% | Reduced |
| GMT Capital Corp | 83,800 | $729.9K | 0.03% | −272,600−76.5% | Reduced |
| Los Angeles Capital Management LLC | 85,343 | $743.3K | 0.00% | +57,806+209.9% | Added |
| Ensign Peak Advisors, Inc | 85,392 | $743.8K | 0.00% | −4,308−4.8% | Reduced |
| Price T Rowe Associates Inc | 85,577 | $746.0K | 0.00% | +4,993+6.2% | Added |
| FMR LLC | 89,363 | $778.3K | 0.00% | −8,486−8.7% | Reduced |
| Clearline Capital LP | 92,870 | $808.9K | 0.08% | +92,870 | New |
| Wellington Management Group LLP | 95,094 | $828.3K | 0.00% | −2,324−2.4% | Reduced |
| ClariVest Asset Management LLC | 95,682 | $833.4K | 0.09% | −816−0.8% | Reduced |
| Massachusetts Financial Services Co | 98,460 | $857.6K | 0.00% | −217−0.2% | Reduced |
| Twinbeech Capital LP | 102,768 | $895.1K | 0.02% | +74,609+265.0% | Added |
| Fisher Asset Management, LLC | 104,947 | $914.1K | 0.00% | +1,816+1.8% | Added |
| Voya Investment Management LLC | 105,907 | $922.5K | 0.00% | −10,150−8.7% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 94,683 | $936.1K | 0.00% | +4,522+5.0% | Added |
| Public Employees Retirement System of Ohio | 109,623 | $954.8K | 0.00% | −4,471−3.9% | Reduced |
| Alps Advisors Inc | 110,406 | $961.6K | 0.01% | +3,104+2.9% | Added |
| Artal Group S.A. | 110,532 | $962.7K | 0.02% | 00.0% | Unchanged |
| Kennedy Capital Management, Inc. | 116,543 | $1.02M | 0.02% | +10,645+10.1% | Added |
| Thrivent Financial for Lutherans | 119,192 | $1.04M | 0.00% | −3,236−2.6% | Reduced |
| Texas Permanent School Fund | 120,245 | $1.05M | 0.01% | +1,557+1.3% | Added |
| State of Wisconsin Investment Board | 122,658 | $1.07M | 0.00% | +2,764+2.3% | Added |
| Engineers Gate Manager LP | 125,567 | $1.09M | 0.03% | +18,029+16.8% | Added |
| Victory Capital Management Inc | 127,691 | $1.11M | 0.00% | −4,096,892−97.0% | Reduced |
| Trexquant Investment LP | 129,475 | $1.13M | 0.02% | +129,475 | New |
| Advantage Alpha Capital Partners LP | 130,966 | $1.14M | 0.21% | +5,261+4.2% | Added |
| Y-Intercept (Hong Kong) Ltd | 134,616 | $1.17M | 0.09% | +134,616 | New |
| Phocas Financial Corp. | 141,427 | $1.23M | 0.18% | +141,427 | New |
| California State Teachers Retirement System | 142,018 | $1.24M | 0.00% | −6,535−4.4% | Reduced |
| Dimensional Fund Advisors LP | 143,771 | $1.25M | 0.00% | −2,938,040−95.3% | Reduced |
| Sio Capital Management, LLC | 149,400 | $1.30M | 0.45% | +149,400 | New |
| UBS Asset Management Americas Inc | 150,515 | $1.31M | 0.00% | −6,487−4.1% | Reduced |
| Great West Life Assurance Co | 152,492 | $1.33M | 0.00% | +5,543+3.8% | Added |
| Prudential Financial Inc | 156,458 | $1.36M | 0.00% | −2,077−1.3% | Reduced |
| Profund Advisors LLC | 161,855 | $1.41M | 0.05% | +42,371+35.5% | Added |
| Alliancebernstein L.P. | 163,070 | $1.42M | 0.00% | −3,861−2.3% | Reduced |
| Macquarie Group Ltd | 167,200 | $1.46M | 0.00% | 00.0% | Unchanged |
| Hillsdale Investment Management Inc. | 171,200 | $1.49M | 0.12% | +13,800+8.8% | Added |
| Arrowstreet Capital, Limited Partnership | 175,777 | $1.53M | 0.00% | +11,230+6.8% | Added |
| Gsa Capital Partners LLP | 176,172 | $1.53M | 0.12% | +176,172 | New |
| State of New Jersey Common Pension Fund D | 185,503 | $1.62M | 0.00% | −73,021−28.2% | Reduced |
| Credit Suisse AG | 197,789 | $1.72M | 0.00% | −5,414,324−96.5% | Reduced |
| Tenor Capital Management Co., L.P. | 208,200 | $1.81M | 0.03% | +208,200 | New |
| Driehaus Capital Management LLC | 210,054 | $1.83M | 0.02% | −1,372,080−86.7% | Reduced |
| Alberta Investment Management Corp | 210,731 | $1.84M | 0.02% | 00.0% | Unchanged |
| State Board of Administration of Florida Retirement System | 195,057 | $2.05M | 0.00% | +150,663+339.4% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 236,000 | $2.06M | 0.01% | −15,500−6.2% | Reduced |
| Mercer Global Advisors Inc | 236,223 | $2.06M | 0.01% | −4,211−1.8% | Reduced |
| Foundry Partners, LLC | 240,573 | $2.10M | 0.11% | +240,573 | New |
| QRG Capital Management, Inc. | 250,227 | $2.18M | 0.03% | −8,744−3.4% | Reduced |
| Knott David M Jr | 276,000 | $2.40M | 0.85% | +276,000 | New |
| Swiss National Bank | 276,700 | $2.41M | 0.00% | 00.0% | Unchanged |
| Public Sector Pension Investment Board | 281,618 | $2.45M | 0.02% | −3,490−1.2% | Reduced |
| Squarepoint Ops LLC | 284,760 | $2.48M | 0.01% | +197,387+225.9% | Added |