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, Q2 2021
Institutional positions in Ironwood Pharmaceuticals Inc as of Jun 30, 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
- 209
- +1 vs. Q1 2021
- Shares held
- 174.5M
- +3.51M (+2.1%) vs. Q1 2021
- Total value
- $2.25B
- +$334.2M (+17.5%) vs. Q1 2021
- New holders
- 32
- 75 more added
- Sold out
- 31
- 66 more reduced
2 institutions that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2021
Shares, value and share of portfolio for each institution holding Ironwood Pharmaceuticals Inc; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| ProShare Advisors LLC | 66,791 | $860.0K | 0.00% | +1,875+2.9% | Added |
| Summit Global Investments | 67,742 | $872.0K | 0.05% | −3,300−4.6% | Reduced |
| Globeflex Capital L P | 71,615 | $922.0K | 0.17% | +121+0.2% | Added |
| Old West Investment Management, LLC | 72,586 | $934.0K | 0.38% | +2,243+3.2% | Added |
| Shell Asset Management Co | 76,087 | $979.0K | 0.02% | +21,548+39.5% | Added |
| Engineers Gate Manager LP | 76,060 | $979.0K | 0.06% | +54,692+256.0% | Added |
| Cubist Systematic Strategies, LLC | 78,634 | $1.01M | 0.01% | +1,205+1.6% | Added |
| HRT Financial LP | 79,184 | $1.02M | 0.01% | +79,184 | New |
| American International Group, Inc. | 81,404 | $1.05M | 0.00% | −41,569−33.8% | Reduced |
| Manufacturers Life Insurance Company, The | 82,099 | $1.06M | 0.00% | −8,664−9.5% | Reduced |
| Panagora Asset Management Inc | 92,451 | $1.19M | 0.01% | +92,451 | New |
| Winton Group Ltd | 92,642 | $1.19M | 0.06% | +14,189+18.1% | Added |
| Gotham Asset Management, LLC | 94,630 | $1.22M | 0.05% | +76,193+413.3% | Added |
| Jackson Creek Investment Advisors LLC | 99,392 | $1.28M | 0.48% | +99,392 | New |
| Deutsche Bank AG | 99,766 | $1.28M | 0.00% | −647,446−86.6% | Reduced |
| Fisher Asset Management, LLC | 102,624 | $1.32M | 0.00% | +21,106+25.9% | Added |
| Creative Planning | 104,303 | $1.34M | 0.00% | +104,303 | New |
| APG Asset Management N.V. | 123,900 | $1.34M | 0.00% | +123,900 | New |
| Legal & General Group Plc | 107,547 | $1.38M | 0.00% | −1,421−1.3% | Reduced |
| Artal Group S.A. | 110,532 | $1.42M | 0.03% | 00.0% | Unchanged |
| Jennison Associates LLC | 115,623 | $1.49M | 0.00% | +9,341+8.8% | Added |
| Two Sigma Advisers, LP | 119,857 | $1.54M | 0.00% | −334,000−73.6% | Reduced |
| Prelude Capital Management, LLC | 127,867 | $1.65M | 0.09% | −12,471−8.9% | Reduced |
| Old Mission Capital LLC | 130,362 | $1.68M | 0.06% | +130,362 | New |
| AlphaCrest Capital Management LLC | 130,745 | $1.68M | 0.07% | +17,353+15.3% | Added |
| Squarepoint Ops LLC | 131,768 | $1.70M | 0.01% | −60,824−31.6% | Reduced |
| Price T Rowe Associates Inc | 132,845 | $1.71M | 0.00% | −18,069−12.0% | Reduced |
| Redwood Investment Management, LLC | 141,355 | $1.82M | 0.30% | +9,190+7.0% | Added |
| Jane Street Group, LLC | 143,601 | $1.85M | 0.00% | +78,659+121.1% | Added |
| Broderick Brian C | 143,850 | $1.85M | 0.49% | −8,250−5.4% | Reduced |
| Alberta Investment Management Corp | 154,327 | $1.99M | 0.02% | +154,327 | New |
| Russell Investments Group, Ltd. | 155,117 | $1.99M | 0.00% | −168,740−52.1% | Reduced |
| Marshall Wace North America L.P. | 159,157 | $2.05M | 0.01% | +84,047+111.9% | Added |
| Citadel Advisors LLC | 171,435 | $2.21M | 0.00% | −114,339−40.0% | Reduced |
| Caption Management, LLC | 176,548 | $2.27M | 0.20% | +97,648+123.8% | Added |
| Rhumbline Advisers | 183,689 | $2.36M | 0.00% | −8,298−4.3% | Reduced |
| Schroder Investment Management Group | 184,074 | $2.37M | 0.00% | +86,029+87.7% | Added |
| American Century Companies Inc | 193,249 | $2.49M | 0.00% | +104,367+117.4% | Added |
| Healthcare Value Capital, LLC | 200,000 | $2.57M | 5.57% | 00.0% | Unchanged |
| California State Teachers Retirement System | 200,469 | $2.58M | 0.00% | −40,157−16.7% | Reduced |
| Jump Financial, LLC | 206,300 | $2.65M | 0.26% | +185,300+882.4% | Added |
| State of New Jersey Common Pension Fund D | 207,193 | $2.67M | 0.01% | −25,442−10.9% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 214,600 | $2.76M | 0.02% | −1,000−0.5% | Reduced |
| State of Wisconsin Investment Board | 214,800 | $2.76M | 0.01% | 00.0% | Unchanged |
| Rafferty Asset Management, LLC | 222,377 | $2.86M | 0.02% | −72,073−24.5% | Reduced |
| Barclays PLC | 225,355 | $2.90M | 0.00% | −217,046−49.1% | Reduced |
| Virginia Retirement Systems Et Al | 226,900 | $2.92M | 0.03% | +4,200+1.9% | Added |
| Alliancebernstein L.P. | 245,321 | $3.16M | 0.00% | +20,100+8.9% | Added |
| Two Sigma Investments, LP | 251,916 | $3.24M | 0.01% | −209,671−45.4% | Reduced |
| Assenagon Asset Management S.A. | 256,734 | $3.30M | 0.01% | 00.0% | Unchanged |
| State Board of Administration of Florida Retirement System | 273,209 | $3.52M | 0.01% | +183,943+206.1% | Added |
| Hillsdale Investment Management Inc. | 302,617 | $3.90M | 0.31% | 00.0% | Unchanged |
| Principal Financial Group Inc | 334,781 | $4.31M | 0.00% | +54,101+19.3% | Added |
| Swiss National Bank | 337,100 | $4.34M | 0.00% | −10,400−3.0% | Reduced |
| Susquehanna International Group, LLP | 353,002 | $4.54M | 0.00% | +74,603+26.8% | Added |
| Clark Estates Inc | 355,000 | $4.57M | 0.60% | +355,000 | New |
| ClariVest Asset Management LLC | 362,384 | $4.66M | 0.16% | +141,199+63.8% | Added |
| Parametric Portfolio Associates LLC | 373,486 | $4.81M | 0.00% | +191,055+104.7% | Added |
| Bank of America Corp | 386,398 | $4.97M | 0.00% | −33,150−7.9% | Reduced |
| UBS Group AG | 391,501 | $5.04M | 0.00% | +383,281+4,662.8% | Added |
| ExodusPoint Capital Management, LP | 392,341 | $5.05M | 0.08% | +207,245+112.0% | Added |
| Man Group plc | 395,034 | $5.08M | 0.02% | +208,808+112.1% | Added |
| Marshall Wace, LLP | 418,870 | $5.39M | 0.03% | +405,520+3,037.6% | Added |
| AXA S.A. | 432,900 | $5.57M | 0.02% | +432,900 | New |
| AQR Capital Management LLC | 460,688 | $5.93M | 0.01% | −79,785−14.8% | Reduced |
| Federated Hermes, Inc. | 480,775 | $6.19M | 0.01% | −6,613−1.4% | Reduced |
| Islet Management, LP | 500,000 | $6.43M | 0.34% | −400,000−44.4% | Reduced |
| Price Michael F | 520,000 | $6.69M | 0.74% | 00.0% | Unchanged |
| HealthCor Management, L.P. | 522,712 | $6.73M | 0.28% | −213,489−29.0% | Reduced |
| Comerica Bank | 519,697 | $6.76M | 0.04% | +230,720+79.8% | Added |
| Citigroup Inc | 538,191 | $6.93M | 0.01% | +102,084+23.4% | Added |
| Teachers Retirement System of the State of Kentucky | 542,131 | $6.98M | 0.06% | 00.0% | Unchanged |
| 13D Management LLC | 650,455 | $8.37M | 2.88% | −7,562−1.1% | Reduced |
| Acadian Asset Management LLC | 668,161 | $8.60M | 0.03% | +443,525+197.4% | Added |
| Prudential Financial Inc | 675,170 | $8.69M | 0.01% | +659,810+4,295.6% | Added |
| Invesco Ltd. | 714,201 | $9.19M | 0.00% | −212,325−22.9% | Reduced |
| Bank of New York Mellon Corp | 819,452 | $10.5M | 0.00% | −176,378−17.7% | Reduced |
| JPMorgan Chase & Co | 922,467 | $11.9M | 0.00% | −237,308−20.5% | Reduced |
| Wells Fargo & Company | 960,526 | $12.4M | 0.00% | +407,825+73.8% | Added |
| D. E. Shaw & Co., Inc. | 984,238 | $12.7M | 0.01% | −536,802−35.3% | Reduced |
| Great Lakes Advisors, LLC | 985,905 | $12.7M | 0.19% | +8,732+0.9% | Added |
| Pictet Asset Management Ltd | 1,058,856 | $13.6M | 0.01% | −96,071−8.3% | Reduced |
| Glenmede Trust Co NA | 1,097,813 | $14.1M | 0.07% | −2,488−0.2% | Reduced |
| Charles Schwab Investment Management Inc | 1,181,188 | $15.2M | 0.01% | −8,607−0.7% | Reduced |
| Morgan Stanley | 1,454,153 | $18.7M | 0.00% | +449,360+44.7% | Added |
| HealthInvest Partners AB | 1,520,000 | $19.6M | 18.54% | +70,000+4.8% | Added |
| Jupiter Asset Management Ltd | 1,547,452 | $19.9M | 0.20% | +1,111,923+255.3% | Added |
| Northern Trust Corp | 1,730,416 | $22.3M | 0.00% | −124,284−6.7% | Reduced |
| Millennium Management LLC | 1,758,953 | $22.6M | 0.03% | +775,496+78.9% | Added |
| Norges Bank | 1,781,953 | $22.9M | 0.00% | −25,616−1.4% | Reduced |
| UBS Asset Management Americas Inc | 1,905,275 | $24.5M | 0.01% | +49,189+2.7% | Added |
| Bridger Management, LLC | 2,035,114 | $26.2M | 2.44% | −817,300−28.7% | Reduced |
| Nuveen Asset Management, LLC | 2,307,605 | $29.7M | 0.01% | +910,801+65.2% | Added |
| New York State Common Retirement Fund | 2,358,777 | $30.4M | 0.03% | −11,105−0.5% | Reduced |
| Dimensional Fund Advisors LP | 2,679,530 | $34.5M | 0.01% | +734,831+37.8% | Added |
| Geode Capital Management, LLC | 2,757,409 | $35.5M | 0.00% | −18,934−0.7% | Reduced |
| Goldman Sachs Group Inc | 3,031,571 | $39.0M | 0.01% | +1,450,335+91.7% | Added |
| Renaissance Technologies LLC | 3,438,053 | $44.2M | 0.06% | +297,300+9.5% | Added |
| Credit Suisse AG | 4,056,047 | $52.2M | 0.04% | +348,217+9.4% | Added |
| LSV Asset Management | 4,364,227 | $56.2M | 0.10% | +3,390,228+348.1% | Added |