A total of 164 institutions have reported a stake in Ironwood Pharmaceuticals Inc (NASDAQ:IRWD) as of September 2025, according to recent 13F filings with the SEC.
| Owner Name | Date | Shares Held | Change (QoQ) | Change (%) | Value (USD) |
|---|---|---|---|---|---|
| ARMISTICE CAPITAL, LLC | 30 Sep, 2025 | 16,150,000 | 0 | 0.00% | $21,156,500.00 |
| VANGUARD GROUP INC | 30 Sep, 2025 | 16,072,006 | -130,123 | -0.80% | $21,054,327.00 |
| Sarissa Capital Management LP | 30 Sep, 2025 | 15,919,435 | 0 | 0.00% | $20,854,460.00 |
| BlackRock, Inc. | 30 Sep, 2025 | 12,062,558 | 39,560 | 0.33% | $15,801,953.00 |
| BANK OF AMERICA CORP /DE/ | 30 Sep, 2025 | 11,695,544 | 8,337,672 | 248.30% | $15,321,162.00 |
| RENAISSANCE TECHNOLOGIES LLC | 30 Sep, 2025 | 8,352,173 | -53,996 | -0.64% | $10,941,347.00 |
| ACADIAN ASSET MANAGEMENT LLC | 30 Sep, 2025 | 6,502,493 | -47,194 | -0.72% | $8,505.00 |
| Kynam Capital Management, LP | 30 Sep, 2025 | 5,466,825 | 0 | 0.00% | $7,161,541.00 |
| AQR CAPITAL MANAGEMENT LLC | 30 Sep, 2025 | 5,378,535 | -787,102 | -12.77% | $7,045,881.00 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 30 Sep, 2025 | 4,917,336 | 1,253,060 | 34.20% | $6,441,710.00 |
| GEODE CAPITAL MANAGEMENT, LLC | 30 Sep, 2025 | 3,614,987 | 115,655 | 3.31% | $4,736,657.00 |
| TWO SIGMA ADVISERS, LP | 30 Sep, 2025 | 3,316,500 | -67,600 | -2.00% | $4,344,615.00 |
| STATE STREET CORP | 30 Sep, 2025 | 3,156,307 | 48,588 | 1.56% | $4,134,762.00 |
| MARSHALL WACE, LLP | 30 Sep, 2025 | 3,144,139 | -849,418 | -21.27% | $4,118,822.00 |
| Qube Research & Technologies Ltd | 30 Sep, 2025 | 2,806,910 | -544,092 | -16.24% | $3,677,052.00 |
| TWO SIGMA INVESTMENTS, LP | 30 Sep, 2025 | 2,534,511 | -216,062 | -7.86% | $3,320,209.00 |
| JANE STREET GROUP, LLC | 30 Sep, 2025 | 2,321,095 | 575,973 | 33.00% | $3,040,635.00 |
| Connor, Clark & Lunn Investment Management Ltd. | 30 Sep, 2025 | 2,161,818 | -45,130 | -2.04% | $2,831,982.00 |
| FEDERATED HERMES, INC. | 30 Sep, 2025 | 2,157,104 | -19,934 | -0.92% | $2,825,806.00 |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 30 Sep, 2025 | 1,920,530 | 445,484 | 30.20% | $2,515,894.00 |