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, Q4 2022
Institutional positions in Ironwood Pharmaceuticals Inc as of Dec 31, 2022. 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
- 250
- +7 vs. Q3 2022
- Shares held
- 167.8M
- −1.88M (−1.1%) vs. Q3 2022
- Total value
- $2.08B
- +$320.9M (+18.3%) vs. Q3 2022
- New holders
- 29
- 94 more added
- Sold out
- 22
- 88 more reduced
2 institutions that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2022: 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, Q4 2022
Shares, value and share of portfolio for each institution holding Ironwood Pharmaceuticals Inc; share changes are against Q3 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 25,773,381 | $319.3M | 0.01% | +803,283+3.2% | Added |
| Sarissa Capital Management LP | 16,390,000 | $203.1M | 24.17% | 00.0% | Unchanged |
| Vanguard Group Inc | 14,732,569 | $182.5M | 0.00% | +248,012+1.7% | Added |
| Wellington Management Group LLP | 13,340,377 | $165.3M | 0.03% | −517,692−3.7% | Reduced |
| State Street Corp | 11,179,578 | $138.5M | 0.01% | −274,592−2.4% | Reduced |
| LSV Asset Management | 7,926,397 | $98.2M | 0.22% | +12,177+0.2% | Added |
| Credit Suisse AG | 5,200,703 | $64.4M | 0.07% | +557,798+12.0% | Added |
| Renaissance Technologies LLC | 4,374,153 | $54.2M | 0.07% | −999,000−18.6% | Reduced |
| Brown Capital Management LLC | 3,997,045 | $49.5M | 0.82% | −4,640,073−53.7% | Reduced |
| Millennium Management LLC | 3,989,942 | $49.4M | 0.05% | +2,184,767+121.0% | Added |
| Dimensional Fund Advisors LP | 3,662,598 | $45.4M | 0.02% | +330,975+9.9% | Added |
| Victory Capital Management Inc | 2,902,676 | $36.0M | 0.04% | +8450.0% | Added |
| Morgan Stanley | 2,658,507 | $32.9M | 0.00% | +455,105+20.7% | Added |
| Geode Capital Management, LLC | 2,515,290 | $31.2M | 0.00% | +49,663+2.0% | Added |
| JPMorgan Chase & Co | 1,988,627 | $24.6M | 0.00% | +1,407,459+242.2% | Added |
| Nuveen Asset Management, LLC | 1,809,189 | $22.4M | 0.01% | +97,790+5.7% | Added |
| Two Sigma Advisers, LP | 1,718,900 | $21.3M | 0.06% | +1,200,200+231.4% | Added |
| Invesco Ltd. | 1,703,210 | $21.1M | 0.01% | +27,682+1.7% | Added |
| Royce & Associates LP | 1,675,489 | $20.8M | 0.22% | −2,722−0.2% | Reduced |
| Northern Trust Corp | 1,630,579 | $20.2M | 0.00% | +68,486+4.4% | Added |
| Two Sigma Investments, LP | 1,584,686 | $19.6M | 0.06% | +1,418,429+853.2% | Added |
| Pacer Advisors, Inc. | 1,550,044 | $19.2M | 0.10% | +278,591+21.9% | Added |
| Norges Bank | 1,521,628 | $18.9M | 0.00% | +37,854+2.6% | Added |
| Man Group plc | 1,384,470 | $17.2M | 0.06% | +546,193+65.2% | Added |
| Bank of New York Mellon Corp | 1,266,626 | $15.7M | 0.00% | −370,246−22.6% | Reduced |
| American Century Companies Inc | 1,242,395 | $15.4M | 0.01% | +54,954+4.6% | Added |
| Charles Schwab Investment Management Inc | 1,088,272 | $13.5M | 0.00% | +69,334+6.8% | Added |
| Glenmede Trust Co NA | 1,037,666 | $12.9M | 0.08% | −127,542−10.9% | Reduced |
| Goldman Sachs Group Inc | 1,018,128 | $12.6M | 0.00% | −390,589−27.7% | Reduced |
| Bank of America Corp | 933,111 | $11.6M | 0.00% | +283,011+43.5% | Added |
| Principal Financial Group Inc | 873,442 | $10.8M | 0.01% | −51,001−5.5% | Reduced |
| New York State Common Retirement Fund | 862,079 | $10.7M | 0.01% | −426,977−33.1% | Reduced |
| UBS Group AG | 820,281 | $10.2M | 0.00% | +712,596+661.7% | Added |
| Hotchkis & Wiley Capital Management LLC | 793,520 | $9.83M | 0.04% | +404,140+103.8% | Added |
| Great Lakes Advisors, LLC | 697,912 | $8.65M | 0.50% | −15,893−2.2% | Reduced |
| Rafferty Asset Management, LLC | 681,012 | $8.44M | 0.07% | +51,038+8.1% | Added |
| AQR Capital Management LLC | 659,197 | $8.17M | 0.02% | +82,809+14.4% | Added |
| D. E. Shaw & Co., Inc. | 627,386 | $7.77M | 0.01% | +69,952+12.5% | Added |
| Ameriprise Financial Inc | 607,140 | $7.52M | 0.00% | +31,574+5.5% | Added |
| 13D Management LLC | 533,562 | $6.61M | 3.48% | −66,869−11.1% | Reduced |
| Price Jennifer C. | 520,000 | $6.44M | 1.54% | 00.0% | Unchanged |
| Citigroup Inc | 491,413 | $6.09M | 0.01% | −164,581−25.1% | Reduced |
| Barclays PLC | 476,199 | $5.90M | 0.01% | −98,296−17.1% | Reduced |
| Public Sector Pension Investment Board | 448,789 | $5.56M | 0.04% | +204,428+83.7% | Added |
| Foundry Partners, LLC | 430,775 | $5.34M | 0.29% | +75,725+21.3% | Added |
| Hillsdale Investment Management Inc. | 420,617 | $5.21M | 0.44% | +1,700+0.4% | Added |
| Rhumbline Advisers | 400,059 | $4.96M | 0.01% | +10,219+2.6% | Added |
| First Trust Advisors LP | 396,853 | $4.92M | 0.01% | −105,809−21.0% | Reduced |
| Legal & General Group Plc | 394,563 | $4.89M | 0.00% | +1,738+0.4% | Added |
| Guggenheim Capital LLC | 352,439 | $4.37M | 0.04% | −14,799−4.0% | Reduced |
| Quantedge Capital Pte Ltd | 350,700 | $4.35M | 1.46% | +47,700+15.7% | Added |
| Schroder Investment Management Group | 346,209 | $4.29M | 0.01% | −155,368−31.0% | Reduced |
| First Eagle Investment Management, LLC | 340,530 | $4.22M | 0.01% | +85,030+33.3% | Added |
| Swiss National Bank | 333,000 | $4.13M | 0.00% | +4,700+1.4% | Added |
| Ally Bridge Group (NY) LLC | 326,428 | $4.04M | 3.93% | −416,142−56.0% | Reduced |
| HRT Financial LP | 321,829 | $3.99M | 0.06% | −355,404−52.5% | Reduced |
| Capital Fund Management S.A. | 314,548 | $3.90M | 0.09% | +67,563+27.4% | Added |
| Cubist Systematic Strategies, LLC | 305,501 | $3.79M | 0.03% | −20,999−6.4% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 302,565 | $3.75M | 0.02% | +302,565 | New |
| Deutsche Bank AG | 279,911 | $3.47M | 0.00% | −637,171−69.5% | Reduced |
| Monarch Partners Asset Management LLC | 276,579 | $3.43M | 1.01% | −26,971−8.9% | Reduced |
| Phocas Financial Corp. | 253,694 | $3.14M | 0.45% | −257−0.1% | Reduced |
| Westfield Capital Management Co LP | 253,491 | $3.14M | 0.02% | −679,278−72.8% | Reduced |
| ExodusPoint Capital Management, LP | 252,217 | $3.13M | 0.05% | +252,217 | New |
| Alberta Investment Management Corp | 244,968 | $3.04M | 0.03% | −22,348−8.4% | Reduced |
| Jupiter Asset Management Ltd | 243,577 | $3.02M | 0.04% | −46,425−16.0% | Reduced |
| Redwood Investment Management, LLC | 234,859 | $2.91M | 0.39% | −10,387−4.2% | Reduced |
| Envestnet Asset Management Inc | 224,134 | $2.78M | 0.00% | +9,778+4.6% | Added |
| Oak Associates, Ltd | 209,949 | $2.60M | 0.22% | +174,849+498.1% | Added |
| Alliancebernstein L.P. | 202,227 | $2.51M | 0.00% | +139+0.1% | Added |
| Los Angeles Capital Management LLC | 201,345 | $2.49M | 0.01% | +48,037+31.3% | Added |
| State of New Jersey Common Pension Fund D | 201,150 | $2.49M | 0.01% | −11,864−5.6% | Reduced |
| Winton Group Ltd | 199,140 | $2.47M | 0.16% | +19,165+10.6% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 193,435 | $2.40M | 0.00% | −35,749−15.6% | Reduced |
| State Board of Administration of Florida Retirement System | 190,253 | $2.36M | 0.01% | −62,439−24.7% | Reduced |
| Mercer Global Advisors Inc | 179,036 | $2.22M | 0.01% | +1,906+1.1% | Added |
| Allspring Global Investments Holdings, LLC | 178,587 | $2.21M | 0.00% | −114,617−39.1% | Reduced |
| Trexquant Investment LP | 176,686 | $2.19M | 0.06% | +62,967+55.4% | Added |
| Tamarack Advisers, LP | 175,000 | $2.17M | 1.57% | +175,000 | New |
| California State Teachers Retirement System | 174,470 | $2.16M | 0.00% | +1,360+0.8% | Added |
| Qube Research & Technologies Ltd | 170,294 | $2.11M | 0.01% | +36,763+27.5% | Added |
| SEI Investments Co | 170,236 | $2.11M | 0.00% | +17,918+11.8% | Added |
| Macquarie Group Ltd | 167,200 | $2.07M | 0.00% | −3,790−2.2% | Reduced |
| UBS Asset Management Americas Inc | 165,354 | $2.05M | 0.00% | +37,205+29.0% | Added |
| Hussman Strategic Advisors, Inc. | 156,000 | $1.93M | 0.31% | 00.0% | Unchanged |
| Moran Wealth Management, LLC | 151,594 | $1.88M | 0.07% | +151,594 | New |
| Great West Life Assurance Co | 148,257 | $1.84M | 0.00% | −6,811−4.4% | Reduced |
| State of Wisconsin Investment Board | 146,401 | $1.81M | 0.01% | −8,606−5.6% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 142,825 | $1.77M | 0.01% | +21,362+17.6% | Added |
| Jane Street Group, LLC | 142,540 | $1.77M | 0.00% | +89,907+170.8% | Added |
| HSBC Holdings PLC | 142,137 | $1.76M | 0.00% | +75,962+114.8% | Added |
| BNP Paribas Arbitrage, SA | 138,945 | $1.72M | 0.00% | −447,827−76.3% | Reduced |
| Assenagon Asset Management S.A. | 136,929 | $1.70M | 0.01% | −10,707−7.3% | Reduced |
| Thrivent Financial for Lutherans | 136,890 | $1.70M | 0.00% | −916−0.7% | Reduced |
| Prudential Financial Inc | 135,196 | $1.68M | 0.00% | −1,011−0.7% | Reduced |
| Susquehanna International Group, LLP | 133,928 | $1.66M | 0.00% | −146,820−52.3% | Reduced |
| Martingale Asset Management L P | 131,590 | $1.63M | 0.03% | +2,837+2.2% | Added |
| Voloridge Investment Management, LLC | 127,546 | $1.58M | 0.01% | +127,546 | New |
| O'Shaughnessy Asset Management, LLC | 127,438 | $1.58M | 0.03% | +32,162+33.8% | Added |
| Globeflex Capital L P | 121,452 | $1.50M | 0.19% | −35,174−22.5% | Reduced |