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 2023
Institutional positions in Ironwood Pharmaceuticals Inc as of Jun 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
- 252
- 0 vs. Q1 2023
- Shares held
- 166.1M
- +1.52M (+0.9%) vs. Q1 2023
- Total value
- $1.77B
- +$24.0M (+1.4%) vs. Q1 2023
- New holders
- 30
- 115 more added
- Sold out
- 30
- 77 more reduced
3 institutions that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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 | $195.0M |
| Q2 2025 | 155 | $104.9M |
| Q1 2025 | 200 | $228.6M |
| Q4 2024 | 223 | $727.6M |
| Q3 2024 | 221 | $675.0M |
| Q2 2024 | 227 | $1.13B |
| Q1 2024 | 261 | $1.56B |
| Q4 2023 | 251 | $1.93B |
| Q3 2023 | 249 | $1.56B |
| Q2 2023 | 252 | $1.77B |
| Q1 2023 | 255 | $1.75B |
| Q4 2022 | 250 | $2.08B |
| Q3 2022 | 245 | $1.76B |
| Q2 2022 | 240 | $2.02B |
| Q1 2022 | 221 | $2.10B |
| Q4 2021 | 213 | $2.01B |
| Q3 2021 | 229 | $2.32B |
| Q2 2021 | 209 | $2.25B |
| Q1 2021 | 210 | $1.91B |
Institutions, Q2 2023
Shares, value and share of portfolio for each institution holding Ironwood Pharmaceuticals Inc; share changes are against Q1 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 25,804,575 | $274.6M | 0.01% | +486,665+1.9% | Added |
| Sarissa Capital Management LP | 16,390,000 | $174.4M | 17.36% | 00.0% | Unchanged |
| Vanguard Group Inc | 14,846,540 | $158.0M | 0.00% | −127,776−0.9% | Reduced |
| State Street Corp | 11,028,489 | $117.3M | 0.01% | +546,647+5.2% | Added |
| LSV Asset Management | 7,670,309 | $81.6M | 0.18% | +92,600+1.2% | Added |
| Credit Suisse AG | 5,800,513 | $61.7M | 0.06% | +628,844+12.2% | Added |
| Dimensional Fund Advisors LP | 5,611,068 | $59.7M | 0.02% | +1,001,989+21.7% | Added |
| Renaissance Technologies LLC | 5,319,453 | $56.6M | 0.08% | +681,700+14.7% | Added |
| Brown Capital Management LLC | 3,751,598 | $39.9M | 0.57% | −182,335−4.6% | Reduced |
| Victory Capital Management Inc | 3,738,038 | $39.8M | 0.04% | +707,706+23.4% | Added |
| Morgan Stanley | 3,068,339 | $32.6M | 0.00% | −730,654−19.2% | Reduced |
| Man Group plc | 2,976,050 | $31.7M | 0.10% | – | – |
| Geode Capital Management, LLC | 2,792,285 | $29.7M | 0.00% | +158,481+6.0% | Added |
| Two Sigma Investments, LP | 2,649,650 | $28.2M | 0.08% | +1,125,429+73.8% | Added |
| Two Sigma Advisers, LP | 2,565,900 | $27.3M | 0.07% | +611,000+31.3% | Added |
| Pacer Advisors, Inc. | 2,466,228 | $26.2M | 0.11% | +204,428+9.0% | Added |
| Nuveen Asset Management, LLC | 1,712,730 | $18.2M | 0.01% | +107,634+6.7% | Added |
| Balyasny Asset Management LLC | 1,688,013 | $18.0M | 0.05% | +737,277+77.5% | Added |
| Invesco Ltd. | 1,666,832 | $17.7M | 0.00% | −91,962−5.2% | Reduced |
| Northern Trust Corp | 1,638,619 | $17.4M | 0.00% | +740.0% | Added |
| Driehaus Capital Management LLC | 1,587,977 | $16.9M | 0.21% | +1,587,977 | New |
| Deutsche Bank AG | 1,563,584 | $16.6M | 0.01% | +359,623+29.9% | Added |
| Charles Schwab Investment Management Inc | 1,371,768 | $14.6M | 0.00% | −134,923−9.0% | Reduced |
| JPMorgan Chase & Co | 1,290,421 | $13.7M | 0.00% | +655,313+103.2% | Added |
| Bank of New York Mellon Corp | 1,265,564 | $13.5M | 0.00% | −3890.0% | Reduced |
| American Century Companies Inc | 1,191,828 | $12.7M | 0.01% | +167,639+16.4% | Added |
| Point72 Asset Management, L.P. | 1,131,879 | $12.0M | 0.04% | +1,121,686+11,004.5% | Added |
| Norges Bank | 1,123,821 | $12.0M | 0.00% | −412,953−26.9% | Reduced |
| Glenmede Trust Co NA | 1,051,046 | $11.1M | 0.06% | +2,033+0.2% | Added |
| Hotchkis & Wiley Capital Management LLC | 996,830 | $10.6M | 0.04% | +54,670+5.8% | Added |
| Goldman Sachs Group Inc | 994,464 | $10.6M | 0.00% | −82,833−7.7% | Reduced |
| Adage Capital Partners GP, L.L.C. | 943,800 | $10.0M | 0.02% | +943,800 | New |
| D. E. Shaw & Co., Inc. | 918,998 | $9.78M | 0.02% | +118,275+14.8% | Added |
| Voloridge Investment Management, LLC | 906,925 | $9.65M | 0.05% | +557,088+159.2% | Added |
| Principal Financial Group Inc | 808,557 | $8.60M | 0.01% | −40,560−4.8% | Reduced |
| New York State Common Retirement Fund | 807,566 | $8.59M | 0.01% | −26,382−3.2% | Reduced |
| AQR Capital Management LLC | 741,439 | $7.89M | 0.02% | +60,737+8.9% | Added |
| Bank of America Corp | 737,278 | $7.84M | 0.00% | −318,831−30.2% | Reduced |
| Rafferty Asset Management, LLC | 725,171 | $7.72M | 0.04% | +102,996+16.6% | Added |
| UBS Group AG | 687,318 | $7.31M | 0.00% | −99,766−12.7% | Reduced |
| Ameriprise Financial Inc | 594,624 | $6.33M | 0.00% | −36,643−5.8% | Reduced |
| First Eagle Investment Management, LLC | 589,889 | $6.28M | 0.02% | +98,525+20.1% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 569,621 | $6.06M | 0.01% | +15,845+2.9% | Added |
| Janus Henderson Group PLC | 538,105 | $5.72M | 0.00% | +471,054+702.5% | Added |
| Price Jennifer C. | 520,000 | $5.53M | 1.90% | 00.0% | Unchanged |
| 13D Management LLC | 511,107 | $5.44M | 2.97% | −22,455−4.2% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 500,817 | $5.33M | 0.03% | +8,293+1.7% | Added |
| Brandywine Global Investment Management, LLC | 481,988 | $5.13M | 0.04% | +227,937+89.7% | Added |
| Foundry Partners, LLC | 481,902 | $5.13M | 0.31% | +26,487+5.8% | Added |
| Quantedge Capital Pte Ltd | 461,900 | $4.91M | 2.19% | −79,300−14.7% | Reduced |
| Barclays PLC | 454,798 | $4.84M | 0.00% | +121,785+36.6% | Added |
| Rhumbline Advisers | 454,301 | $4.83M | 0.01% | +38,476+9.3% | Added |
| BNP Paribas Arbitrage, SA | 438,488 | $4.67M | 0.01% | +87,725+25.0% | Added |
| Hillsdale Investment Management Inc. | 424,017 | $4.51M | 0.41% | +3,400+0.8% | Added |
| Citigroup Inc | 421,651 | $4.49M | 0.01% | −161,276−27.7% | Reduced |
| Legal & General Group Plc | 400,327 | $4.26M | 0.00% | +2,662+0.7% | Added |
| Redwood Investment Management, LLC | 380,666 | $3.76M | 0.39% | +47,572+14.3% | Added |
| Jefferies Financial Group Inc. | 331,699 | $3.53M | 0.08% | +168,299+103.0% | Added |
| Jupiter Asset Management Ltd | 331,584 | $3.52M | 0.04% | −99,683−23.1% | Reduced |
| Swiss National Bank | 302,000 | $3.21M | 0.00% | +4,000+1.3% | Added |
| Great West Life Assurance Co | 284,051 | $3.03M | 0.01% | −20,957−6.9% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 283,100 | $3.01M | 0.01% | +283,000+283,000.0% | Added |
| Royce & Associates LP | 282,620 | $3.01M | 0.03% | −1,603,627−85.0% | Reduced |
| Qube Research & Technologies Ltd | 258,308 | $2.75M | 0.01% | +52,000+25.2% | Added |
| Millennium Management LLC | 255,069 | $2.71M | 0.00% | −1,127,479−81.6% | Reduced |
| Cubist Systematic Strategies, LLC | 253,825 | $2.70M | 0.03% | −371,548−59.4% | Reduced |
| Wedge Capital Management L L P | 248,755 | $2.65M | 0.04% | +228,193+1,109.8% | Added |
| HSBC Holdings PLC | 246,507 | $2.63M | 0.00% | −3,650−1.5% | Reduced |
| Guggenheim Capital LLC | 246,830 | $2.63M | 0.02% | −72,553−22.7% | Reduced |
| Envestnet Asset Management Inc | 244,919 | $2.61M | 0.00% | −261,035−51.6% | Reduced |
| Public Sector Pension Investment Board | 239,895 | $2.55M | 0.02% | +5,181+2.2% | Added |
| First Trust Advisors LP | 228,999 | $2.44M | 0.00% | +59,658+35.2% | Added |
| Jane Street Group, LLC | 227,514 | $2.42M | 0.00% | −1,698,368−88.2% | Reduced |
| Alberta Investment Management Corp | 227,466 | $2.42M | 0.02% | −38,919−14.6% | Reduced |
| Tamarack Advisers, LP | 225,000 | $2.39M | 1.82% | +15,000+7.1% | Added |
| Schonfeld Strategic Advisors LLC | 221,278 | $2.35M | 0.02% | +221,278 | New |
| Skandinaviska Enskilda Banken AB (publ) | 220,800 | $2.35M | 0.02% | +158,200+252.7% | Added |
| State of New Jersey Common Pension Fund D | 220,205 | $2.34M | 0.01% | +19,055+9.5% | Added |
| Los Angeles Capital Management LLC | 214,661 | $2.28M | 0.01% | +22,105+11.5% | Added |
| Mercer Global Advisors Inc | 210,012 | $2.23M | 0.01% | +20,610+10.9% | Added |
| State Board of Administration of Florida Retirement System | 206,556 | $2.20M | 0.00% | +11,499+5.9% | Added |
| HRT Financial LP | 199,745 | $2.13M | 0.02% | +61,578+44.6% | Added |
| Moran Wealth Management, LLC | 197,131 | $2.10M | 0.08% | +7,543+4.0% | Added |
| Wells Fargo & Company | 190,527 | $2.03M | 0.00% | +48,077+33.8% | Added |
| Prudential Financial Inc | 173,058 | $2.00M | 0.00% | +42,152+32.2% | Added |
| California State Teachers Retirement System | 168,198 | $1.79M | 0.00% | −3,937−2.3% | Reduced |
| SEI Investments Co | 167,856 | $1.79M | 0.00% | −11,462−6.4% | Reduced |
| Macquarie Group Ltd | 167,200 | $1.78M | 0.00% | 00.0% | Unchanged |
| Assenagon Asset Management S.A. | 162,559 | $1.73M | 0.01% | +5,055+3.2% | Added |
| Alliancebernstein L.P. | 161,031 | $1.71M | 0.00% | 00.0% | Unchanged |
| Exchange Traded Concepts, LLC | 160,932 | $1.71M | 0.04% | −3,194−1.9% | Reduced |
| AlphaCentric Advisors LLC | 157,500 | $1.68M | 0.93% | +157,500 | New |
| UBS Asset Management Americas Inc | 156,371 | $1.65M | 0.00% | 00.0% | Unchanged |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 152,771 | $1.63M | 0.01% | +11,467+8.1% | Added |
| Martingale Asset Management L P | 139,998 | $1.49M | 0.03% | +5,706+4.2% | Added |
| Profund Advisors LLC | 136,980 | $1.46M | 0.08% | +15,485+12.7% | Added |
| O'Shaughnessy Asset Management, LLC | 133,101 | $1.42M | 0.02% | +509+0.4% | Added |
| Allspring Global Investments Holdings, LLC | 131,926 | $1.40M | 0.00% | −141,772−51.8% | Reduced |
| Squarepoint Ops LLC | 130,923 | $1.39M | 0.01% | −21,936−14.4% | Reduced |
| Thrivent Financial for Lutherans | 129,289 | $1.38M | 0.00% | −2,965−2.2% | Reduced |