| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Commodore Capital LP | 7.2% | 7,428,775 | Commodore Capital LP | 31 Dec 2025 | ||||
| DRIEHAUS CAPITAL MANAGEMENT LLC | 6.6% | 6,537,202 | DRIEHAUS CAPITAL MANAGEMENT LLC | 31 Dec 2025 | ||||
| Deep Track Capital, LP | 5.5% | 5,676,540 | Deep Track Capital, LP | 31 Dec 2025 | ||||
| Avoro Capital Advisors LLC | 5.1% | 5,000,000 | Avoro Capital Advisors LLC | 31 Dec 2025 |
As of 31 Dec 2025, 7 institutional investors reported holding 11,252,147 shares of Definium Therapeutics, Inc. - Common Shares, no par value per share (DFTX). This represents 11% of the company’s total 103,177,431 outstanding shares.
The largest institutional shareholders of Definium Therapeutics, Inc. - Common Shares, no par value per share (DFTX) together control 11% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| Driehaus Capital Management LLC | 6.3% | 6,537,202 | 0.59% | $87,533,135 | |
| MARSHALL WACE, LLP | 2.9% | 2,975,702 | 0.04% | $39,844,652 | |
| AWM Investment Company, Inc. | 1.3% | 1,390,662 | 1.8% | $18,620,964 | |
| Ensign Peak Advisors, Inc | 0.25% | 262,000 | 0.01% | $3,508,180 | |
| PRICE T ROWE ASSOCIATES INC /MD/ | 0.05% | 52,230 | 0% | $700,000 | |
| DARK FOREST CAPITAL MANAGEMENT LP | 0.03% | 30,661 | 0.02% | $410,551 | |
| Sound Income Strategies, LLC | 0% | 3,690 | 0% | $55,535 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 11,252,147 | $150,673,017 | +$150,673,017 | $13.39 | 7 |