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 2021
Institutional positions in Ironwood Pharmaceuticals Inc as of Dec 31, 2021. 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
- 212
- −15 vs. Q3 2021
- Shares held
- 171.9M
- −5.35M (−3.0%) vs. Q3 2021
- Total value
- $2.00B
- −$310.3M (−13.4%) vs. Q3 2021
- New holders
- 30
- 70 more added
- Sold out
- 45
- 78 more reduced
2 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2021: 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 2021
Shares, value and share of portfolio for each institution holding Ironwood Pharmaceuticals Inc; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Wellington Management Group LLP | 17,300,305 | $201.7M | 0.03% | −200,716−1.1% | Reduced |
| Sarissa Capital Management LP | 16,390,000 | $191.1M | 16.54% | 00.0% | Unchanged |
| Brown Capital Management LLC | 16,257,899 | $189.6M | 1.57% | −746,496−4.4% | Reduced |
| BlackRock Inc. | 14,368,890 | $167.5M | 0.00% | +1,897,115+15.2% | Added |
| Vanguard Group Inc | 13,487,762 | $157.3M | 0.00% | +31,629+0.2% | Added |
| Westfield Capital Management Co LP | 8,145,674 | $95.0M | 0.56% | −35,329−0.4% | Reduced |
| State Street Corp | 7,878,311 | $91.9M | 0.00% | +445,302+6.0% | Added |
| LSV Asset Management | 7,507,406 | $87.5M | 0.16% | −304,821−3.9% | Reduced |
| Credit Suisse AG | 4,626,583 | $53.9M | 0.04% | −24,308−0.5% | Reduced |
| Putnam Investments LLC | 4,071,262 | $47.5M | 0.07% | −1,412,307−25.8% | Reduced |
| Goldman Sachs Group Inc | 3,311,141 | $38.6M | 0.01% | +235,865+7.7% | Added |
| Dimensional Fund Advisors LP | 3,076,989 | $35.9M | 0.01% | +119,916+4.1% | Added |
| Norges Bank | 3,016,328 | $35.2M | 0.01% | +1,240,900+69.9% | Added |
| Camber Capital Management LP | 3,000,000 | $35.0M | 1.35% | −2,500,000−45.5% | Reduced |
| Geode Capital Management, LLC | 2,763,568 | $32.2M | 0.00% | −47,836−1.7% | Reduced |
| Renaissance Technologies LLC | 2,679,253 | $31.2M | 0.04% | +469,700+21.3% | Added |
| Nuveen Asset Management, LLC | 2,103,639 | $23.2M | 0.01% | −192,522−8.4% | Reduced |
| New York State Common Retirement Fund | 1,812,306 | $21.1M | 0.02% | +46,036+2.6% | Added |
| Jupiter Asset Management Ltd | 1,720,956 | $20.1M | 0.22% | +183,694+11.9% | Added |
| Northern Trust Corp | 1,683,370 | $19.6M | 0.00% | −45,513−2.6% | Reduced |
| Millennium Management LLC | 1,589,816 | $18.5M | 0.02% | +44,334+2.9% | Added |
| Charles Schwab Investment Management Inc | 1,463,491 | $17.1M | 0.01% | +23,406+1.6% | Added |
| JPMorgan Chase & Co | 1,276,908 | $14.9M | 0.00% | −489,386−27.7% | Reduced |
| ExodusPoint Capital Management, LP | 1,150,745 | $13.4M | 0.16% | +569,760+98.1% | Added |
| Glenmede Trust Co NA | 1,079,826 | $12.6M | 0.06% | −12,784−1.2% | Reduced |
| Morgan Stanley | 1,053,422 | $12.3M | 0.00% | −654,367−38.3% | Reduced |
| Pictet Asset Management SA | 1,000,840 | $11.7M | 0.01% | −32,847−3.2% | Reduced |
| Allspring Global Investments Holdings, LLC | 942,048 | $11.0M | 0.01% | +942,048 | New |
| Great Lakes Advisors, LLC | 934,055 | $10.9M | 0.17% | −20,953−2.2% | Reduced |
| Bridger Management, LLC | 929,714 | $10.8M | 1.40% | −40,800−4.2% | Reduced |
| D. E. Shaw & Co., Inc. | 884,094 | $10.3M | 0.01% | −441,333−33.3% | Reduced |
| Bank of New York Mellon Corp | 880,288 | $10.3M | 0.00% | +87,212+11.0% | Added |
| Foundry Partners, LLC | 827,733 | $9.65M | 0.34% | −65,337−7.3% | Reduced |
| Invesco Ltd. | 762,182 | $8.89M | 0.00% | +60,905+8.7% | Added |
| HealthInvest Partners AB | 730,000 | $8.51M | 11.99% | +45,000+6.6% | Added |
| Bank of America Corp | 619,380 | $7.22M | 0.00% | +216,160+53.6% | Added |
| 13D Management LLC | 612,853 | $7.15M | 2.74% | −37,602−5.8% | Reduced |
| Wells Fargo & Company | 592,200 | $6.91M | 0.00% | −704,839−54.3% | Reduced |
| American Century Companies Inc | 578,608 | $6.75M | 0.00% | +282,995+95.7% | Added |
| Comerica Bank | 602,957 | $6.72M | 0.05% | +103,370+20.7% | Added |
| Parametric Portfolio Associates LLC | 544,769 | $6.35M | 0.00% | +81,614+17.6% | Added |
| Prudential Financial Inc | 532,929 | $6.21M | 0.01% | −328,710−38.1% | Reduced |
| Price Michael F | 520,000 | $6.06M | 0.67% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 500,819 | $5.84M | 0.01% | +619+0.1% | Added |
| Royce & Associates LP | 480,849 | $5.61M | 0.04% | +480,849 | New |
| Rafferty Asset Management, LLC | 476,786 | $5.56M | 0.03% | +221,371+86.7% | Added |
| UBS Group AG | 458,298 | $5.34M | 0.00% | −164,359−26.4% | Reduced |
| Susquehanna International Group, LLP | 453,495 | $5.29M | 0.01% | +53,961+13.5% | Added |
| AQR Capital Management LLC | 429,131 | $5.00M | 0.01% | +91,766+27.2% | Added |
| Citigroup Inc | 416,483 | $4.86M | 0.00% | +88,336+26.9% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 414,500 | $4.85M | 0.02% | −1,805,900−81.3% | Reduced |
| Deutsche Bank AG | 408,582 | $4.76M | 0.00% | +1,088+0.3% | Added |
| Verition Fund Management LLC | 396,405 | $4.62M | 0.06% | +345,912+685.1% | Added |
| Principal Financial Group Inc | 359,669 | $4.19M | 0.00% | +9,059+2.6% | Added |
| Clark Estates Inc | 355,000 | $4.14M | 0.61% | 00.0% | Unchanged |
| Citadel Advisors LLC | 352,127 | $4.11M | 0.00% | +260,393+283.9% | Added |
| Swiss National Bank | 340,000 | $3.96M | 0.00% | 00.0% | Unchanged |
| Hillsdale Investment Management Inc. | 339,617 | $3.96M | 0.27% | −1,000−0.3% | Reduced |
| ClariVest Asset Management LLC | 316,213 | $3.69M | 0.11% | −28,625−8.3% | Reduced |
| Canada Pension Plan Investment Board | 296,370 | $3.46M | 0.00% | +296,370 | New |
| State Board of Administration of Florida Retirement System | 294,059 | $3.43M | 0.01% | +36,157+14.0% | Added |
| Man Group plc | 282,994 | $3.30M | 0.01% | −16,489−5.5% | Reduced |
| First Trust Advisors LP | 277,274 | $3.23M | 0.00% | +149,167+116.4% | Added |
| AlphaCrest Capital Management LLC | 275,966 | $3.22M | 0.12% | +136,387+97.7% | Added |
| Arrowstreet Capital, Limited Partnership | 275,640 | $3.21M | 0.00% | −460,081−62.5% | Reduced |
| Alberta Investment Management Corp | 262,746 | $3.06M | 0.02% | +52,015+24.7% | Added |
| Alliancebernstein L.P. | 241,521 | $2.82M | 0.00% | −58,304−19.4% | Reduced |
| UBS Asset Management Americas Inc | 240,072 | $2.80M | 0.00% | −989,038−80.5% | Reduced |
| Barclays PLC | 222,204 | $2.59M | 0.00% | +6,488+3.0% | Added |
| State of Wisconsin Investment Board | 214,800 | $2.50M | 0.00% | 00.0% | Unchanged |
| Brandywine Global Investment Management, LLC | 214,754 | $2.50M | 0.02% | 00.0% | Unchanged |
| California State Teachers Retirement System | 211,014 | $2.46M | 0.00% | +6,944+3.4% | Added |
| Cubist Systematic Strategies, LLC | 194,937 | $2.27M | 0.02% | −76,124−28.1% | Reduced |
| Assenagon Asset Management S.A. | 193,514 | $2.26M | 0.01% | −63,200−24.6% | Reduced |
| Redwood Investment Management, LLC | 191,621 | $2.23M | 0.29% | +34,546+22.0% | Added |
| Gotham Asset Management, LLC | 187,652 | $2.19M | 0.07% | +77,582+70.5% | Added |
| Old Mission Capital LLC | 179,706 | $2.10M | 0.10% | −39,302−17.9% | Reduced |
| Squarepoint Ops LLC | 172,387 | $2.01M | 0.01% | −253,143−59.5% | Reduced |
| Macquarie Group Ltd | 170,990 | $1.99M | 0.00% | 00.0% | Unchanged |
| Rhumbline Advisers | 158,331 | $1.85M | 0.00% | −31,531−16.6% | Reduced |
| Victory Capital Management Inc | 157,971 | $1.84M | 0.00% | +81,084+105.5% | Added |
| Qube Research & Technologies Ltd | 156,795 | $1.83M | 0.01% | +88,294+128.9% | Added |
| Envestnet Asset Management Inc | 154,003 | $1.80M | 0.00% | +84,215+120.7% | Added |
| Virginia Retirement Systems Et Al | 149,200 | $1.74M | 0.02% | −58,100−28.0% | Reduced |
| Fisher Asset Management, LLC | 144,517 | $1.69M | 0.00% | +58,599+68.2% | Added |
| Legal & General Group Plc | 137,832 | $1.61M | 0.00% | +278+0.2% | Added |
| Toronto Dominion Bank | 137,618 | $1.60M | 0.00% | +137,618 | New |
| Jennison Associates LLC | 125,327 | $1.46M | 0.00% | −51,330−29.1% | Reduced |
| Mercer Global Advisors Inc | 124,617 | $1.45M | 0.01% | +63,100+102.6% | Added |
| Jane Street Group, LLC | 123,357 | $1.44M | 0.00% | −203,944−62.3% | Reduced |
| Harbor Capital Advisors, Inc. | 121,318 | $1.42M | 0.52% | +121,318 | New |
| Denali Advisors LLC | 113,600 | $1.32M | 0.50% | +113,600 | New |
| Schroder Investment Management Group | 113,234 | $1.32M | 0.00% | −70,840−38.5% | Reduced |
| Artal Group S.A. | 110,532 | $1.29M | 0.04% | 00.0% | Unchanged |
| Globeflex Capital L P | 109,240 | $1.27M | 0.26% | 00.0% | Unchanged |
| Guggenheim Capital LLC | 106,734 | $1.25M | 0.01% | +106,734 | New |
| Twinbeech Capital LP | 104,627 | $1.22M | 0.07% | +104,627 | New |
| Engineers Gate Manager LP | 103,527 | $1.21M | 0.05% | +103,527 | New |
| Broderick Brian C | 102,946 | $1.20M | 0.29% | −38,404−27.2% | Reduced |
| Price T Rowe Associates Inc | 97,617 | $1.14M | 0.00% | −24,528−20.1% | Reduced |