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, Q1 2023
Institutional positions in Ironwood Pharmaceuticals Inc as of Mar 31, 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
- 255
- +7 vs. Q4 2022
- Shares held
- 164.6M
- −2.86M (−1.7%) vs. Q4 2022
- Total value
- $1.74B
- −$331.6M (−16.0%) vs. Q4 2022
- New holders
- 27
- 107 more added
- Sold out
- 20
- 79 more reduced
2 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2022: 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, Q1 2023
Shares, value and share of portfolio for each institution holding Ironwood Pharmaceuticals Inc; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Duality Advisers, LP | 33,811 | $355.7K | 0.04% | −41,198−54.9% | Reduced |
| First Hawaiian Bank | 34,730 | $365.4K | 0.01% | 00.0% | Unchanged |
| E Fund Management Co., Ltd. | 35,319 | $372.0K | 0.03% | −366−1.0% | Reduced |
| Point72 Middle East FZE | 36,850 | $387.7K | 0.02% | +36,850 | New |
| Broderick Brian C | 37,000 | $389.2K | 0.11% | −42,000−53.2% | Reduced |
| LPL Financial LLC | 38,024 | $400.0K | 0.00% | −164−0.4% | Reduced |
| Panagora Asset Management Inc | 38,332 | $403.3K | 0.00% | 00.0% | Unchanged |
| Capital Fund Management S.A. | 38,646 | $406.6K | 0.01% | −275,902−87.7% | Reduced |
| Arizona State Retirement System | 40,002 | $420.8K | 0.00% | +1,088+2.8% | Added |
| Grimes & Company, Inc. | 40,051 | $421.3K | 0.02% | −7,795−16.3% | Reduced |
| Shell Asset Management Co | 41,697 | $439.0K | 0.02% | −144−0.3% | Reduced |
| Two Sigma Securities, LLC | 41,734 | $439.0K | 0.04% | +27,560+194.4% | Added |
| Teachers Retirement System of the State of Kentucky | 42,008 | $442.0K | 0.00% | 00.0% | Unchanged |
| Teacher Retirement System of Texas | 42,529 | $447.0K | 0.00% | +883+2.1% | Added |
| Oregon Public Employees Retirement Fund | 42,916 | $451.5K | 0.01% | −1,372−3.1% | Reduced |
| EMC Capital Management | 43,315 | $456.0K | 0.38% | 00.0% | Unchanged |
| Quantbot Technologies LP | 44,300 | $466.0K | 0.03% | +44,300 | New |
| Intrinsic Value Partners, LLC | 51,605 | $542.9K | 0.73% | −300−0.6% | Reduced |
| Dynamic Technology Lab Private Ltd | 52,985 | $557.0K | 0.05% | +52,985 | New |
| Maryland State Retirement & Pension System | 53,743 | $565.4K | 0.01% | −1,372−2.5% | Reduced |
| Manufacturers Life Insurance Company, The | 54,823 | $576.7K | 0.00% | +371+0.7% | Added |
| Price T Rowe Associates Inc | 59,794 | $630.0K | 0.00% | −32,901−35.5% | Reduced |
| International Biotechnology Trust PLC | 60,000 | $631.2K | 0.18% | 00.0% | Unchanged |
| New York State Teachers Retirement System | 60,777 | $639.0K | 0.00% | +4,258+7.5% | Added |
| Amalgamated Bank | 61,500 | $647.0K | 0.01% | −4,161−6.3% | Reduced |
| Affinity Investment Advisors, LLC | 61,894 | $651.1K | 0.35% | 00.0% | Unchanged |
| Louisiana State Employees Retirement System | 62,200 | $654.3K | 0.02% | −1,200−1.9% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 62,600 | $659.0K | 0.00% | +62,600 | New |
| Yousif Capital Management, LLC | 64,797 | $681.7K | 0.01% | −15,530−19.3% | Reduced |
| Creative Planning | 66,979 | $704.6K | 0.00% | +9,632+16.8% | Added |
| Janus Henderson Group PLC | 67,051 | $705.7K | 0.00% | +43,245+181.7% | Added |
| MetLife Investment Management | 70,128 | $737.7K | 0.01% | 00.0% | Unchanged |
| American International Group, Inc. | 74,413 | $782.8K | 0.01% | +355+0.5% | Added |
| CWM Advisors, LLC | 74,819 | $787.1K | 0.10% | +55,958+296.7% | Added |
| Old West Investment Management, LLC | 75,219 | $791.3K | 0.43% | +2,061+2.8% | Added |
| Fisher Asset Management, LLC | 76,418 | $803.9K | 0.00% | +1,171+1.6% | Added |
| State of Tennessee, Treasury Department | 78,896 | $830.0K | 0.00% | −23,192−22.7% | Reduced |
| Ritholtz Wealth Management | 79,672 | $838.1K | 0.04% | +8,508+12.0% | Added |
| Engineers Gate Manager LP | 80,850 | $850.5K | 0.04% | +54,853+211.0% | Added |
| Mirae Asset Global Investments Co., Ltd. | 86,699 | $912.1K | 0.00% | +23,531+37.3% | Added |
| Ensign Peak Advisors, Inc | 89,200 | $938.4K | 0.00% | 00.0% | Unchanged |
| State of Alaska, Department of Revenue | 91,387 | $961.0K | 0.01% | −1,541−1.7% | Reduced |
| Massachusetts Financial Services Co | 91,973 | $967.6K | 0.00% | +91,973 | New |
| Jump Financial, LLC | 94,173 | $990.7K | 0.04% | −24,791−20.8% | Reduced |
| Schroder Investment Management Group | 98,445 | $1.04M | 0.00% | −247,764−71.6% | Reduced |
| Gsa Capital Partners LLP | 103,258 | $1.09M | 0.11% | +42,309+69.4% | Added |
| Artal Group S.A. | 110,532 | $1.16M | 0.07% | 00.0% | Unchanged |
| Gotham Asset Management, LLC | 111,859 | $1.18M | 0.03% | +36,537+48.5% | Added |
| Voya Investment Management LLC | 112,376 | $1.18M | 0.00% | −485−0.4% | Reduced |
| ClariVest Asset Management LLC | 116,154 | $1.22M | 0.05% | −114−0.1% | Reduced |
| Texas Permanent School Fund | 119,681 | $1.26M | 0.01% | +29,962+33.4% | Added |
| Profund Advisors LLC | 121,495 | $1.28M | 0.08% | +103,109+560.8% | Added |
| State of Wisconsin Investment Board | 131,486 | $1.38M | 0.00% | −14,915−10.2% | Reduced |
| Thrivent Financial for Lutherans | 132,254 | $1.39M | 0.00% | −4,636−3.4% | Reduced |
| O'Shaughnessy Asset Management, LLC | 132,592 | $1.39M | 0.02% | +5,154+4.0% | Added |
| Martingale Asset Management L P | 134,292 | $1.41M | 0.03% | +2,702+2.1% | Added |
| HRT Financial LP | 138,167 | $1.45M | 0.02% | −183,662−57.1% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 141,304 | $1.49M | 0.01% | −1,521−1.1% | Reduced |
| Wells Fargo & Company | 142,450 | $1.50M | 0.00% | +47,551+50.1% | Added |
| Prudential Financial Inc | 130,906 | $1.51M | 0.00% | −4,290−3.2% | Reduced |
| Squarepoint Ops LLC | 152,859 | $1.61M | 0.01% | +152,859 | New |
| Hussman Strategic Advisors, Inc. | 156,000 | $1.64M | 0.26% | 00.0% | Unchanged |
| UBS Asset Management Americas Inc | 156,371 | $1.65M | 0.00% | −8,983−5.4% | Reduced |
| Assenagon Asset Management S.A. | 157,504 | $1.66M | 0.01% | +20,575+15.0% | Added |
| Alliancebernstein L.P. | 161,031 | $1.69M | 0.00% | −41,196−20.4% | Reduced |
| Jefferies Financial Group Inc. | 163,400 | $1.72M | 0.04% | +163,400 | New |
| Exchange Traded Concepts, LLC | 164,126 | $1.73M | 0.05% | +164,126 | New |
| Macquarie Group Ltd | 167,200 | $1.76M | 0.00% | 00.0% | Unchanged |
| First Trust Advisors LP | 169,341 | $1.78M | 0.00% | −227,512−57.3% | Reduced |
| California State Teachers Retirement System | 172,135 | $1.81M | 0.00% | −2,335−1.3% | Reduced |
| SEI Investments Co | 179,318 | $1.89M | 0.00% | +9,082+5.3% | Added |
| Mercer Global Advisors Inc | 189,402 | $1.99M | 0.01% | +10,366+5.8% | Added |
| Moran Wealth Management, LLC | 189,588 | $1.99M | 0.08% | +37,994+25.1% | Added |
| Los Angeles Capital Management LLC | 192,556 | $2.03M | 0.01% | −8,789−4.4% | Reduced |
| State Board of Administration of Florida Retirement System | 195,057 | $2.05M | 0.00% | +4,804+2.5% | Added |
| Twinbeech Capital LP | 199,921 | $2.10M | 0.04% | +199,921 | New |
| State of New Jersey Common Pension Fund D | 201,150 | $2.12M | 0.01% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 206,308 | $2.17M | 0.01% | +36,014+21.1% | Added |
| Tamarack Advisers, LP | 210,000 | $2.21M | 1.69% | +35,000+20.0% | Added |
| Envestnet Asset Management Inc | 505,954 | $2.23M | 0.00% | +281,820+125.7% | Added |
| Oak Associates, Ltd | 221,289 | $2.33M | 0.19% | +11,340+5.4% | Added |
| Natixis | 223,650 | $2.35M | 0.02% | +221,269+9,293.1% | Added |
| Trexquant Investment LP | 223,671 | $2.35M | 0.06% | +46,985+26.6% | Added |
| Public Sector Pension Investment Board | 234,714 | $2.47M | 0.02% | −214,075−47.7% | Reduced |
| Susquehanna International Group, LLP | 249,623 | $2.63M | 0.00% | +115,695+86.4% | Added |
| HSBC Holdings PLC | 250,157 | $2.64M | 0.00% | +108,020+76.0% | Added |
| Brandywine Global Investment Management, LLC | 254,051 | $2.67M | 0.02% | +254,051 | New |
| Winton Group Ltd | 256,654 | $2.70M | 0.16% | +57,514+28.9% | Added |
| Alberta Investment Management Corp | 266,385 | $2.80M | 0.03% | +21,417+8.7% | Added |
| Allspring Global Investments Holdings, LLC | 273,698 | $2.88M | 0.00% | +95,111+53.3% | Added |
| Swiss National Bank | 298,000 | $3.13M | 0.00% | −35,000−10.5% | Reduced |
| Great West Life Assurance Co | 305,008 | $3.21M | 0.01% | +156,751+105.7% | Added |
| SG Americas Securities, LLC | 312,990 | $3.29M | 0.04% | +303,040+3,045.6% | Added |
| Guggenheim Capital LLC | 319,383 | $3.36M | 0.03% | −33,056−9.4% | Reduced |
| Barclays PLC | 333,013 | $3.50M | 0.00% | −143,186−30.1% | Reduced |
| Redwood Investment Management, LLC | 333,094 | $3.50M | 0.38% | +98,235+41.8% | Added |
| Voloridge Investment Management, LLC | 349,837 | $3.68M | 0.02% | +222,291+174.3% | Added |
| BNP Paribas Arbitrage, SA | 350,763 | $3.69M | 0.01% | +211,818+152.4% | Added |
| Citadel Advisors LLC | 376,861 | $3.96M | 0.00% | +305,687+429.5% | Added |
| Legal & General Group Plc | 397,665 | $4.18M | 0.00% | +3,102+0.8% | Added |