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 |
|---|---|---|---|---|---|
| BlackRock Inc. | 25,234,262 | $243.0M | 0.01% | −570,313−2.2% | Reduced |
| Sarissa Capital Management LP | 16,390,000 | $157.8M | 21.26% | 00.0% | Unchanged |
| Vanguard Group Inc | 14,895,700 | $143.4M | 0.00% | +49,160+0.3% | Added |
| State Street Corp | 11,996,865 | $115.5M | 0.01% | +968,376+8.8% | Added |
| LSV Asset Management | 7,164,209 | $69.0M | 0.16% | −506,100−6.6% | Reduced |
| Renaissance Technologies LLC | 5,799,898 | $55.9M | 0.10% | +480,445+9.0% | Added |
| Dimensional Fund Advisors LP | 5,516,976 | $53.1M | 0.02% | −94,092−1.7% | Reduced |
| Credit Suisse AG | 4,501,569 | $43.4M | 0.05% | −1,298,944−22.4% | Reduced |
| Victory Capital Management Inc | 4,406,732 | $42.4M | 0.05% | +668,694+17.9% | Added |
| Brown Capital Management LLC | 3,719,796 | $35.8M | 0.55% | −31,802−0.8% | Reduced |
| Armistice Capital, LLC | 3,456,000 | $33.3M | 0.99% | +3,456,000 | New |
| Geode Capital Management, LLC | 2,924,123 | $28.2M | 0.00% | +131,838+4.7% | Added |
| Man Group plc | – | $25.9M | 0.08% | – | – |
| Adage Capital Partners GP, L.L.C. | 2,462,300 | $23.7M | 0.05% | +1,518,500+160.9% | Added |
| Jacobs Levy Equity Management, Inc | 2,378,295 | $22.9M | 0.14% | +2,378,295 | New |
| Jupiter Asset Management Ltd | 2,210,985 | $21.3M | 0.24% | +1,879,401+566.8% | Added |
| Morgan Stanley | 1,900,783 | $18.3M | 0.00% | −1,167,556−38.1% | Reduced |
| Two Sigma Advisers, LP | 1,845,600 | $17.8M | 0.05% | −720,300−28.1% | Reduced |
| Northern Trust Corp | 1,641,887 | $15.8M | 0.00% | +3,268+0.2% | Added |
| Driehaus Capital Management LLC | 1,586,765 | $15.3M | 0.20% | −1,212−0.1% | Reduced |
| Two Sigma Investments, LP | 1,394,163 | $13.4M | 0.04% | −1,255,487−47.4% | Reduced |
| Braidwell LP | 1,348,099 | $13.0M | 0.41% | +1,348,099 | New |
| Glenmede Trust Co NA | 1,324,735 | $12.8M | 0.07% | +273,689+26.0% | Added |
| American Century Companies Inc | 1,281,269 | $12.3M | 0.01% | +89,441+7.5% | Added |
| Point72 Asset Management, L.P. | 1,237,773 | $11.9M | 0.04% | +105,894+9.4% | Added |
| Charles Schwab Investment Management Inc | 1,230,794 | $11.9M | 0.00% | −140,974−10.3% | Reduced |
| Bank of New York Mellon Corp | 1,219,986 | $11.7M | 0.00% | −45,578−3.6% | Reduced |
| Nuveen Asset Management, LLC | 1,130,107 | $10.9M | 0.00% | −582,623−34.0% | Reduced |
| Goldman Sachs Group Inc | 1,106,569 | $10.7M | 0.00% | +112,105+11.3% | Added |
| Hotchkis & Wiley Capital Management LLC | 1,096,670 | $10.6M | 0.04% | +99,840+10.0% | Added |
| Invesco Ltd. | 1,044,721 | $10.1M | 0.00% | −622,111−37.3% | Reduced |
| Norges Bank | 919,049 | $8.85M | 0.00% | −204,772−18.2% | Reduced |
| UBS Group AG | 895,074 | $8.62M | 0.00% | +207,756+30.2% | Added |
| Rafferty Asset Management, LLC | 874,052 | $8.42M | 0.05% | +148,881+20.5% | Added |
| First Eagle Investment Management, LLC | 816,589 | $7.86M | 0.02% | +226,700+38.4% | Added |
| Principal Financial Group Inc | 801,849 | $7.72M | 0.01% | −6,708−0.8% | Reduced |
| Bank of America Corp | 797,626 | $7.68M | 0.00% | +60,348+8.2% | Added |
| New York State Common Retirement Fund | 782,996 | $7.54M | 0.01% | −24,570−3.0% | Reduced |
| Ameriprise Financial Inc | 712,991 | $6.87M | 0.00% | +118,367+19.9% | Added |
| Barclays PLC | 578,672 | $5.57M | 0.00% | +123,874+27.2% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 558,340 | $5.38M | 0.01% | −11,281−2.0% | Reduced |
| Jane Street Group, LLC | 514,497 | $4.95M | 0.01% | +286,983+126.1% | Added |
| Squarepoint Ops LLC | 510,207 | $4.91M | 0.02% | +379,284+289.7% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 500,681 | $4.82M | 0.03% | −1360.0% | Reduced |
| JPMorgan Chase & Co | 481,305 | $4.63M | 0.00% | −809,116−62.7% | Reduced |
| Brandywine Global Investment Management, LLC | 476,559 | $4.59M | 0.04% | −5,429−1.1% | Reduced |
| GMT Capital Corp | 461,200 | $4.44M | 0.17% | +461,200 | New |
| Rhumbline Advisers | 458,236 | $4.41M | 0.01% | +3,935+0.9% | Added |
| D. E. Shaw & Co., Inc. | 436,263 | $4.20M | 0.01% | −482,735−52.5% | Reduced |
| Citigroup Inc | 429,788 | $4.14M | 0.01% | +8,137+1.9% | Added |
| BNP Paribas Arbitrage, SA | 424,545 | $4.09M | 0.01% | −13,943−3.2% | Reduced |
| Legal & General Group Plc | 395,109 | $3.80M | 0.00% | −5,218−1.3% | Reduced |
| Redwood Investment Management, LLC | 329,807 | $3.18M | 0.28% | −50,859−13.4% | Reduced |
| Swiss National Bank | 307,300 | $2.96M | 0.00% | +5,300+1.8% | Added |
| AlphaCentric Advisors LLC | 292,500 | $2.82M | 1.60% | +135,000+85.7% | Added |
| Royce & Associates LP | 284,750 | $2.74M | 0.03% | +2,130+0.8% | Added |
| State of New Jersey Common Pension Fund D | 273,347 | $2.63M | 0.01% | +53,142+24.1% | Added |
| QRG Capital Management, Inc. | 268,822 | $2.59M | 0.04% | +268,822 | New |
| HSBC Holdings PLC | 256,801 | $2.47M | 0.00% | +10,294+4.2% | Added |
| Guggenheim Capital LLC | 255,895 | $2.46M | 0.02% | +9,065+3.7% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 251,500 | $2.42M | 0.01% | −31,600−11.2% | Reduced |
| Great West Life Assurance Co | 249,047 | $2.40M | 0.01% | −35,004−12.3% | Reduced |
| Mercer Global Advisors Inc | 244,749 | $2.36M | 0.01% | +34,737+16.5% | Added |
| HRT Financial LP | 242,037 | $2.33M | 0.02% | +42,292+21.2% | Added |
| Exchange Traded Concepts, LLC | 235,690 | $2.27M | 0.06% | +74,758+46.5% | Added |
| Jefferies Financial Group Inc. | 210,740 | $2.03M | 0.05% | −120,959−36.5% | Reduced |
| Alberta Investment Management Corp | 210,731 | $2.03M | 0.02% | −16,735−7.4% | Reduced |
| AQR Capital Management LLC | 203,569 | $1.96M | 0.00% | −537,870−72.5% | Reduced |
| Moran Wealth Management, LLC | 202,390 | $1.95M | 0.08% | +5,259+2.7% | Added |
| Wells Fargo & Company | 195,138 | $1.88M | 0.00% | +4,611+2.4% | Added |
| SEI Investments Co | 189,999 | $1.83M | 0.00% | +22,143+13.2% | Added |
| SG Americas Securities, LLC | 188,807 | $1.82M | 0.02% | +188,807 | New |
| Quantedge Capital Pte Ltd | 179,900 | $1.73M | 0.94% | −282,000−61.1% | Reduced |
| Millennium Management LLC | 177,353 | $1.71M | 0.00% | −77,716−30.5% | Reduced |
| Janus Henderson Group PLC | 176,488 | $1.70M | 0.00% | −361,617−67.2% | Reduced |
| ExodusPoint Capital Management, LP | 171,950 | $1.66M | 0.02% | +125,721+272.0% | Added |
| Public Sector Pension Investment Board | 169,707 | $1.63M | 0.01% | −70,188−29.3% | Reduced |
| Macquarie Group Ltd | 167,200 | $1.61M | 0.00% | 00.0% | Unchanged |
| Walleye Capital LLC | 166,968 | $1.61M | 0.02% | +166,968 | New |
| Prudential Financial Inc | 161,493 | $1.56M | 0.00% | −11,565−6.7% | Reduced |
| Russell Investments Group, Ltd. | 161,242 | $1.55M | 0.00% | +72,610+81.9% | Added |
| Alliancebernstein L.P. | 161,031 | $1.55M | 0.00% | 00.0% | Unchanged |
| Cubist Systematic Strategies, LLC | 158,866 | $1.53M | 0.02% | −94,959−37.4% | Reduced |
| California State Teachers Retirement System | 154,251 | $1.49M | 0.00% | −13,947−8.3% | Reduced |
| Profund Advisors LLC | 151,279 | $1.46M | 0.08% | +14,299+10.4% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 149,900 | $1.44M | 0.01% | −70,900−32.1% | Reduced |
| Marshall Wace, LLP | 147,745 | $1.42M | 0.00% | +147,745 | New |
| Martingale Asset Management L P | 139,998 | $1.35M | 0.03% | 00.0% | Unchanged |
| UBS Asset Management Americas Inc | 133,916 | $1.29M | 0.00% | −22,455−14.4% | Reduced |
| Thrivent Financial for Lutherans | 125,607 | $1.21M | 0.00% | −3,682−2.8% | Reduced |
| Hussman Strategic Advisors, Inc. | 124,000 | $1.19M | 0.23% | 00.0% | Unchanged |
| State of Wisconsin Investment Board | 119,663 | $1.15M | 0.00% | −5,365−4.3% | Reduced |
| Texas Permanent School Fund | 116,612 | $1.12M | 0.01% | −2,386−2.0% | Reduced |
| Arrowstreet Capital, Limited Partnership | 115,889 | $1.12M | 0.00% | +92,524+396.0% | Added |
| Susquehanna International Group, LLP | 115,719 | $1.11M | 0.00% | +59,347+105.3% | Added |
| Voya Investment Management LLC | 115,331 | $1.11M | 0.00% | +216+0.2% | Added |
| Alps Advisors Inc | 115,139 | $1.11M | 0.01% | −9,330−7.5% | Reduced |
| Citadel Advisors LLC | 114,017 | $1.10M | 0.00% | −8,270−6.8% | Reduced |
| Voloridge Investment Management, LLC | 113,597 | $1.09M | 0.01% | −793,328−87.5% | Reduced |
| Artal Group S.A. | 110,532 | $1.06M | 0.05% | 00.0% | Unchanged |