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 |
|---|---|---|---|---|---|
| Los Angeles Capital Management LLC | 59,473 | $693.0K | 0.00% | −674−1.1% | Reduced |
| Affinity Investment Advisors, LLC | 66,366 | $774.0K | 0.31% | +358+0.5% | Added |
| Tudor Investment Corp Et Al | 66,678 | $777.0K | 0.01% | −16,994−20.3% | Reduced |
| Prelude Capital Management, LLC | 67,282 | $785.0K | 0.04% | −1,571−2.3% | Reduced |
| APG Asset Management N.V. | 77,100 | $791.0K | 0.00% | −79,900−50.9% | Reduced |
| Old West Investment Management, LLC | 72,586 | $846.0K | 0.50% | 00.0% | Unchanged |
| Shell Asset Management Co | 73,295 | $855.0K | 0.02% | +338+0.5% | Added |
| Manufacturers Life Insurance Company, The | 74,628 | $870.0K | 0.00% | −1,280−1.7% | Reduced |
| Hussman Strategic Advisors, Inc. | 78,000 | $909.0K | 0.20% | +78,000 | New |
| American International Group, Inc. | 78,007 | $910.0K | 0.00% | −1,508−1.9% | Reduced |
| Jackson Creek Investment Advisors LLC | 93,652 | $1.09M | 0.39% | −6,543−6.5% | Reduced |
| Two Sigma Advisers, LP | 95,800 | $1.12M | 0.00% | −507,057−84.1% | Reduced |
| Price T Rowe Associates Inc | 97,617 | $1.14M | 0.00% | −24,528−20.1% | Reduced |
| Broderick Brian C | 102,946 | $1.20M | 0.29% | −38,404−27.2% | Reduced |
| Engineers Gate Manager LP | 103,527 | $1.21M | 0.05% | +103,527 | New |
| Twinbeech Capital LP | 104,627 | $1.22M | 0.07% | +104,627 | New |
| Guggenheim Capital LLC | 106,734 | $1.25M | 0.01% | +106,734 | New |
| Globeflex Capital L P | 109,240 | $1.27M | 0.26% | 00.0% | Unchanged |
| Artal Group S.A. | 110,532 | $1.29M | 0.04% | 00.0% | Unchanged |
| Schroder Investment Management Group | 113,234 | $1.32M | 0.00% | −70,840−38.5% | Reduced |
| Denali Advisors LLC | 113,600 | $1.32M | 0.50% | +113,600 | New |
| Harbor Capital Advisors, Inc. | 121,318 | $1.42M | 0.52% | +121,318 | New |
| Jane Street Group, LLC | 123,357 | $1.44M | 0.00% | −203,944−62.3% | Reduced |
| Mercer Global Advisors Inc | 124,617 | $1.45M | 0.01% | +63,100+102.6% | Added |
| Jennison Associates LLC | 125,327 | $1.46M | 0.00% | −51,330−29.1% | Reduced |
| Toronto Dominion Bank | 137,618 | $1.60M | 0.00% | +137,618 | New |
| Legal & General Group Plc | 137,832 | $1.61M | 0.00% | +278+0.2% | Added |
| Fisher Asset Management, LLC | 144,517 | $1.69M | 0.00% | +58,599+68.2% | Added |
| Virginia Retirement Systems Et Al | 149,200 | $1.74M | 0.02% | −58,100−28.0% | Reduced |
| Envestnet Asset Management Inc | 154,003 | $1.80M | 0.00% | +84,215+120.7% | Added |
| Qube Research & Technologies Ltd | 156,795 | $1.83M | 0.01% | +88,294+128.9% | Added |
| Victory Capital Management Inc | 157,971 | $1.84M | 0.00% | +81,084+105.5% | Added |
| Rhumbline Advisers | 158,331 | $1.85M | 0.00% | −31,531−16.6% | Reduced |
| Macquarie Group Ltd | 170,990 | $1.99M | 0.00% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 172,387 | $2.01M | 0.01% | −253,143−59.5% | Reduced |
| Old Mission Capital LLC | 179,706 | $2.10M | 0.10% | −39,302−17.9% | Reduced |
| Gotham Asset Management, LLC | 187,652 | $2.19M | 0.07% | +77,582+70.5% | Added |
| Redwood Investment Management, LLC | 191,621 | $2.23M | 0.29% | +34,546+22.0% | Added |
| Assenagon Asset Management S.A. | 193,514 | $2.26M | 0.01% | −63,200−24.6% | Reduced |
| Cubist Systematic Strategies, LLC | 194,937 | $2.27M | 0.02% | −76,124−28.1% | Reduced |
| California State Teachers Retirement System | 211,014 | $2.46M | 0.00% | +6,944+3.4% | Added |
| Brandywine Global Investment Management, LLC | 214,754 | $2.50M | 0.02% | 00.0% | Unchanged |
| State of Wisconsin Investment Board | 214,800 | $2.50M | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 222,204 | $2.59M | 0.00% | +6,488+3.0% | Added |
| UBS Asset Management Americas Inc | 240,072 | $2.80M | 0.00% | −989,038−80.5% | Reduced |
| Alliancebernstein L.P. | 241,521 | $2.82M | 0.00% | −58,304−19.4% | Reduced |
| Alberta Investment Management Corp | 262,746 | $3.06M | 0.02% | +52,015+24.7% | Added |
| Arrowstreet Capital, Limited Partnership | 275,640 | $3.21M | 0.00% | −460,081−62.5% | Reduced |
| AlphaCrest Capital Management LLC | 275,966 | $3.22M | 0.12% | +136,387+97.7% | Added |
| First Trust Advisors LP | 277,274 | $3.23M | 0.00% | +149,167+116.4% | Added |
| Man Group plc | 282,994 | $3.30M | 0.01% | −16,489−5.5% | Reduced |
| State Board of Administration of Florida Retirement System | 294,059 | $3.43M | 0.01% | +36,157+14.0% | Added |
| Canada Pension Plan Investment Board | 296,370 | $3.46M | 0.00% | +296,370 | New |
| ClariVest Asset Management LLC | 316,213 | $3.69M | 0.11% | −28,625−8.3% | Reduced |
| Hillsdale Investment Management Inc. | 339,617 | $3.96M | 0.27% | −1,000−0.3% | Reduced |
| Swiss National Bank | 340,000 | $3.96M | 0.00% | 00.0% | Unchanged |
| Citadel Advisors LLC | 352,127 | $4.11M | 0.00% | +260,393+283.9% | Added |
| Clark Estates Inc | 355,000 | $4.14M | 0.61% | 00.0% | Unchanged |
| Principal Financial Group Inc | 359,669 | $4.19M | 0.00% | +9,059+2.6% | Added |
| Verition Fund Management LLC | 396,405 | $4.62M | 0.06% | +345,912+685.1% | Added |
| Deutsche Bank AG | 408,582 | $4.76M | 0.00% | +1,088+0.3% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 414,500 | $4.85M | 0.02% | −1,805,900−81.3% | Reduced |
| Citigroup Inc | 416,483 | $4.86M | 0.00% | +88,336+26.9% | Added |
| AQR Capital Management LLC | 429,131 | $5.00M | 0.01% | +91,766+27.2% | Added |
| Susquehanna International Group, LLP | 453,495 | $5.29M | 0.01% | +53,961+13.5% | Added |
| UBS Group AG | 458,298 | $5.34M | 0.00% | −164,359−26.4% | Reduced |
| Rafferty Asset Management, LLC | 476,786 | $5.56M | 0.03% | +221,371+86.7% | Added |
| Royce & Associates LP | 480,849 | $5.61M | 0.04% | +480,849 | New |
| Federated Hermes, Inc. | 500,819 | $5.84M | 0.01% | +619+0.1% | Added |
| Price Michael F | 520,000 | $6.06M | 0.67% | 00.0% | Unchanged |
| Prudential Financial Inc | 532,929 | $6.21M | 0.01% | −328,710−38.1% | Reduced |
| Parametric Portfolio Associates LLC | 544,769 | $6.35M | 0.00% | +81,614+17.6% | Added |
| Comerica Bank | 602,957 | $6.72M | 0.05% | +103,370+20.7% | Added |
| American Century Companies Inc | 578,608 | $6.75M | 0.00% | +282,995+95.7% | Added |
| Wells Fargo & Company | 592,200 | $6.91M | 0.00% | −704,839−54.3% | Reduced |
| 13D Management LLC | 612,853 | $7.15M | 2.74% | −37,602−5.8% | Reduced |
| Bank of America Corp | 619,380 | $7.22M | 0.00% | +216,160+53.6% | Added |
| HealthInvest Partners AB | 730,000 | $8.51M | 11.99% | +45,000+6.6% | Added |
| Invesco Ltd. | 762,182 | $8.89M | 0.00% | +60,905+8.7% | Added |
| Foundry Partners, LLC | 827,733 | $9.65M | 0.34% | −65,337−7.3% | Reduced |
| Bank of New York Mellon Corp | 880,288 | $10.3M | 0.00% | +87,212+11.0% | Added |
| D. E. Shaw & Co., Inc. | 884,094 | $10.3M | 0.01% | −441,333−33.3% | Reduced |
| Bridger Management, LLC | 929,714 | $10.8M | 1.40% | −40,800−4.2% | Reduced |
| Great Lakes Advisors, LLC | 934,055 | $10.9M | 0.17% | −20,953−2.2% | Reduced |
| Allspring Global Investments Holdings, LLC | 942,048 | $11.0M | 0.01% | +942,048 | New |
| Pictet Asset Management SA | 1,000,840 | $11.7M | 0.01% | −32,847−3.2% | Reduced |
| Morgan Stanley | 1,053,422 | $12.3M | 0.00% | −654,367−38.3% | Reduced |
| Glenmede Trust Co NA | 1,079,826 | $12.6M | 0.06% | −12,784−1.2% | Reduced |
| ExodusPoint Capital Management, LP | 1,150,745 | $13.4M | 0.16% | +569,760+98.1% | Added |
| JPMorgan Chase & Co | 1,276,908 | $14.9M | 0.00% | −489,386−27.7% | Reduced |
| Charles Schwab Investment Management Inc | 1,463,491 | $17.1M | 0.01% | +23,406+1.6% | Added |
| Millennium Management LLC | 1,589,816 | $18.5M | 0.02% | +44,334+2.9% | Added |
| Northern Trust Corp | 1,683,370 | $19.6M | 0.00% | −45,513−2.6% | Reduced |
| Jupiter Asset Management Ltd | 1,720,956 | $20.1M | 0.22% | +183,694+11.9% | Added |
| New York State Common Retirement Fund | 1,812,306 | $21.1M | 0.02% | +46,036+2.6% | Added |
| Nuveen Asset Management, LLC | 2,103,639 | $23.2M | 0.01% | −192,522−8.4% | Reduced |
| Renaissance Technologies LLC | 2,679,253 | $31.2M | 0.04% | +469,700+21.3% | Added |
| Geode Capital Management, LLC | 2,763,568 | $32.2M | 0.00% | −47,836−1.7% | Reduced |
| Camber Capital Management LP | 3,000,000 | $35.0M | 1.35% | −2,500,000−45.5% | Reduced |
| Norges Bank | 3,016,328 | $35.2M | 0.01% | +1,240,900+69.9% | Added |