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.
Q4 2025 vs. Q3 2025
How the institutions holding Ironwood Pharmaceuticals Inc changed between Q3 2025 and Q4 2025.
All holders in Q4 2025All holders in Q3 2025
| Measure | Q3 2025 | Of which not filed for Q4 2025 | Q4 2025 | Change |
|---|---|---|---|---|
| Holders | 166 | 5 | 199 | +38 |
| Shares | 148.7M | 95.7K | 154.6M | +6.08M (+4.1%) |
| Value | $194.9M | $125.8K | $520.2M | +$325.4M (+167.1%) |
5 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so the changes leave them out.
New holders (56)
Institutions that held Ironwood Pharmaceuticals Inc at the end of Q4 2025 but not at the end of Q3 2025.
Sold out (18)
Institutions that held Ironwood Pharmaceuticals Inc at the end of Q3 2025 and filed for Q4 2025 without it.
| Institution | Shares, Q3 2025 | Value, Q3 2025 |
|---|---|---|
| Kynam Capital Management, LP | 5,466,825 | $7.16M |
| Highbridge Capital Management LLC | 537,252 | $703.8K |
| Royce & Associates LP | 300,619 | $393.8K |
| Toroso Investments, LLC | 294,236 | $385.4K |
| Algert Global LLC | 122,580 | $160.6K |
| Siren, L.L.C. | 110,532 | $144.8K |
| Tudor Investment Corp Et Al | 79,455 | $104.1K |
| HRT Financial LP | 39,844 | $52.0K |
| Capstone Investment Advisors, LLC | 36,268 | $47.5K |
| Brighton Jones LLC | 33,071 | $43.3K |
| Requisite Capital Management, LLC | 31,748 | $41.6K |
| Simplex Trading, LLC | 20,739 | $27.0K |
| Dynamic Technology Lab Private Ltd | 16,118 | $21.0K |
| Wedmont Private Capital | 11,651 | $17.7K |
| Principal Financial Group Inc | 12,600 | $16.5K |
| Allegiance Financial Group Advisory Services LLC | 10,108 | $13.2K |
| Principal Securities, Inc. | 128 | $168 |
| Bell Investment Advisors, Inc | 48 | $63 |
Not filed for Q4 2025 yet (5)
Institutions that held Ironwood Pharmaceuticals Inc at the end of Q3 2025 and haven't filed a 13F for Q4 2025. Not filing isn't selling, so they aren't counted as sold out.
| Institution | Shares, Q3 2025 | Value, Q3 2025 |
|---|---|---|
| Cubist Systematic Strategies, LLC | 53,995 | $70.7K |
| Shell Asset Management Co | 21,021 | $28.0K |
| CIBC Bancorp USA Inc. | 17,056 | $22.3K |
| Point72 (DIFC) Ltd | 3,611 | $4.73K |
| Point72 Asia (Singapore) Pte. Ltd. | 1 | $1 |