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, Q3 2023
Institutional positions in Ironwood Pharmaceuticals Inc as of Sep 30, 2023. 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
- 249
- −1 vs. Q2 2023
- Shares held
- 159.7M
- −6.42M (−3.9%) vs. Q2 2023
- Total value
- $1.56B
- −$203.3M (−11.5%) vs. Q2 2023
- New holders
- 38
- 77 more added
- Sold out
- 39
- 101 more reduced
2 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2023
Shares, value and share of portfolio for each institution holding Ironwood Pharmaceuticals Inc; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| D. E. Shaw & Co., Inc. | 436,263 | $4.20M | 0.01% | −482,735−52.5% | Reduced |
| Rhumbline Advisers | 458,236 | $4.41M | 0.01% | +3,935+0.9% | Added |
| GMT Capital Corp | 461,200 | $4.44M | 0.17% | +461,200 | New |
| Brandywine Global Investment Management, LLC | 476,559 | $4.59M | 0.04% | −5,429−1.1% | Reduced |
| JPMorgan Chase & Co | 481,305 | $4.63M | 0.00% | −809,116−62.7% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 500,681 | $4.82M | 0.03% | −1360.0% | Reduced |
| Squarepoint Ops LLC | 510,207 | $4.91M | 0.02% | +379,284+289.7% | Added |
| Jane Street Group, LLC | 514,497 | $4.95M | 0.01% | +286,983+126.1% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 558,340 | $5.38M | 0.01% | −11,281−2.0% | Reduced |
| Barclays PLC | 578,672 | $5.57M | 0.00% | +123,874+27.2% | Added |
| Ameriprise Financial Inc | 712,991 | $6.87M | 0.00% | +118,367+19.9% | Added |
| New York State Common Retirement Fund | 782,996 | $7.54M | 0.01% | −24,570−3.0% | Reduced |
| Bank of America Corp | 797,626 | $7.68M | 0.00% | +60,348+8.2% | Added |
| Principal Financial Group Inc | 801,849 | $7.72M | 0.01% | −6,708−0.8% | Reduced |
| First Eagle Investment Management, LLC | 816,589 | $7.86M | 0.02% | +226,700+38.4% | Added |
| Rafferty Asset Management, LLC | 874,052 | $8.42M | 0.05% | +148,881+20.5% | Added |
| UBS Group AG | 895,074 | $8.62M | 0.00% | +207,756+30.2% | Added |
| Norges Bank | 919,049 | $8.85M | 0.00% | −204,772−18.2% | Reduced |
| Invesco Ltd. | 1,044,721 | $10.1M | 0.00% | −622,111−37.3% | Reduced |
| Hotchkis & Wiley Capital Management LLC | 1,096,670 | $10.6M | 0.04% | +99,840+10.0% | Added |
| Goldman Sachs Group Inc | 1,106,569 | $10.7M | 0.00% | +112,105+11.3% | Added |
| Nuveen Asset Management, LLC | 1,130,107 | $10.9M | 0.00% | −582,623−34.0% | Reduced |
| Bank of New York Mellon Corp | 1,219,986 | $11.7M | 0.00% | −45,578−3.6% | Reduced |
| Charles Schwab Investment Management Inc | 1,230,794 | $11.9M | 0.00% | −140,974−10.3% | Reduced |
| Point72 Asset Management, L.P. | 1,237,773 | $11.9M | 0.04% | +105,894+9.4% | Added |
| American Century Companies Inc | 1,281,269 | $12.3M | 0.01% | +89,441+7.5% | Added |
| Glenmede Trust Co NA | 1,324,735 | $12.8M | 0.07% | +273,689+26.0% | Added |
| Braidwell LP | 1,348,099 | $13.0M | 0.41% | +1,348,099 | New |
| Two Sigma Investments, LP | 1,394,163 | $13.4M | 0.04% | −1,255,487−47.4% | Reduced |
| Driehaus Capital Management LLC | 1,586,765 | $15.3M | 0.20% | −1,212−0.1% | Reduced |
| Northern Trust Corp | 1,641,887 | $15.8M | 0.00% | +3,268+0.2% | Added |
| Two Sigma Advisers, LP | 1,845,600 | $17.8M | 0.05% | −720,300−28.1% | Reduced |
| Morgan Stanley | 1,900,783 | $18.3M | 0.00% | −1,167,556−38.1% | Reduced |
| Jupiter Asset Management Ltd | 2,210,985 | $21.3M | 0.24% | +1,879,401+566.8% | Added |
| Jacobs Levy Equity Management, Inc | 2,378,295 | $22.9M | 0.14% | +2,378,295 | New |
| Adage Capital Partners GP, L.L.C. | 2,462,300 | $23.7M | 0.05% | +1,518,500+160.9% | Added |
| Man Group plc | – | $25.9M | 0.08% | – | – |
| Geode Capital Management, LLC | 2,924,123 | $28.2M | 0.00% | +131,838+4.7% | Added |
| Armistice Capital, LLC | 3,456,000 | $33.3M | 0.99% | +3,456,000 | New |
| Brown Capital Management LLC | 3,719,796 | $35.8M | 0.55% | −31,802−0.8% | Reduced |
| Victory Capital Management Inc | 4,406,732 | $42.4M | 0.05% | +668,694+17.9% | Added |
| Credit Suisse AG | 4,501,569 | $43.4M | 0.05% | −1,298,944−22.4% | Reduced |
| Dimensional Fund Advisors LP | 5,516,976 | $53.1M | 0.02% | −94,092−1.7% | Reduced |
| Renaissance Technologies LLC | 5,799,898 | $55.9M | 0.10% | +480,445+9.0% | Added |
| LSV Asset Management | 7,164,209 | $69.0M | 0.16% | −506,100−6.6% | Reduced |
| State Street Corp | 11,996,865 | $115.5M | 0.01% | +968,376+8.8% | Added |
| Vanguard Group Inc | 14,895,700 | $143.4M | 0.00% | +49,160+0.3% | Added |
| Sarissa Capital Management LP | 16,390,000 | $157.8M | 21.26% | 00.0% | Unchanged |
| BlackRock Inc. | 25,234,262 | $243.0M | 0.01% | −570,313−2.2% | Reduced |
| Hexagon Capital Partners LLC | 0 | $0 | 0.00% | −199−100.0% | Sold out |
| Pacer Advisors, Inc. | 0 | $0 | 0.00% | −2,466,228−100.0% | Sold out |
| Price Jennifer C. | 0 | $0 | 0.00% | −520,000−100.0% | Sold out |
| Foundry Partners, LLC | 0 | $0 | 0.00% | −481,902−100.0% | Sold out |
| Hillsdale Investment Management Inc. | 0 | $0 | 0.00% | −424,017−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −258,308−100.0% | Sold out |
| Wedge Capital Management L L P | 0 | $0 | 0.00% | −248,755−100.0% | Sold out |
| First Trust Advisors LP | 0 | $0 | 0.00% | −228,999−100.0% | Sold out |
| Tamarack Advisers, LP | 0 | $0 | 0.00% | −225,000−100.0% | Sold out |
| Assenagon Asset Management S.A. | 0 | $0 | 0.00% | −162,559−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −117,956−100.0% | Sold out |
| Caxton Associates LP | 0 | $0 | 0.00% | −85,578−100.0% | Sold out |
| Ritholtz Wealth Management | 0 | $0 | 0.00% | −79,532−100.0% | Sold out |
| Teza Capital Management LLC | 0 | $0 | 0.00% | −70,974−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −63,606−100.0% | Sold out |
| Winton Group Ltd | 0 | $0 | 0.00% | −53,035−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −33,396−100.0% | Sold out |
| Advisory Research Inc | 0 | $0 | 0.00% | −30,854−100.0% | Sold out |
| Miller Howard Investments Inc | 0 | $0 | 0.00% | −30,023−100.0% | Sold out |
| Watershed Asset Management, L.L.C. | 0 | $0 | 0.00% | −23,108−100.0% | Sold out |
| Campbell & CO Investment Adviser LLC | 0 | $0 | 0.00% | −20,384−100.0% | Sold out |
| Empowered Funds, LLC | 0 | $0 | 0.00% | −18,407−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −16,313−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −15,989−100.0% | Sold out |
| Bayesian Capital Management, LP | 0 | $0 | 0.00% | −13,800−100.0% | Sold out |
| JustInvest LLC | 0 | $0 | 0.00% | −12,856−100.0% | Sold out |
| Vident Investment Advisory, LLC | 0 | $0 | 0.00% | −12,696−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −12,121−100.0% | Sold out |
| Capstone Investment Advisors, LLC | 0 | $0 | 0.00% | −11,068−100.0% | Sold out |
| Leonteq Securities AG | 0 | $0 | 0.00% | −6,600−100.0% | Sold out |
| Federated Hermes, Inc. | 0 | $0 | 0.00% | −1,064−100.0% | Sold out |
| Huntington National Bank | 0 | $0 | 0.00% | −432−100.0% | Sold out |
| 25 LLC | 0 | $0 | 0.00% | −98−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −75−100.0% | Sold out |
| Denali Advisors LLC | 0 | $0 | 0.00% | −68−100.0% | Sold out |
| Private Trust Co NA | 0 | $0 | 0.00% | −26−100.0% | Sold out |
| AdvisorNet Financial, Inc | 0 | $0 | 0.00% | −23−100.0% | Sold out |
| Disciplined Investments, LLC | 0 | $0 | 0.00% | −20−100.0% | Sold out |
| Avion Wealth | 0 | $0 | 0.00% | −94−100.0% | Sold out |
| EA Series Trust | – | – | – | – | Not filed |
| Pictet Asset Management SA | – | – | – | – | Not filed |