| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Fairmount Funds Management LLC | 20% | 0% | $89,373,614 | +$26,797,898 | 10,353,875 | +43% | Fairmount Funds Management LLC | 06 Oct 2025 |
| FMR LLC | 15% | $40,965,976 | 4,735,951 | FMR LLC | 30 May 2025 | |||
| Venrock Healthcare Capital Partners III, L.P. | 9.9% | $32,654,542 | 3,220,369 | Venrock Healthcare Capital Partners III, L.P. | 28 Apr 2025 | |||
| RA CAPITAL MANAGEMENT, L.P. | 7% | +72% | $27,758,364 | +$16,318,579 | 3,214,969 | +143% | RA Capital Management, L.P. | 08 Oct 2025 |
| BlackRock, Inc. | 6.6% | +26% | $18,565,068 | +$3,763,302 | 2,150,203 | +25% | BlackRock, Inc. | 30 Sep 2025 |
| VANGUARD GROUP INC | 4.2% | -23% | $32,337,685 | +$4,446,695 | 2,095,767 | +16% | The Vanguard Group | 31 Dec 2025 |
| Frazier Life Sciences Public Fund, L.P. | 4.2% | 0% | $11,949,495 | +$379,228 | 1,384,646 | +3.3% | Frazier Life Sciences Public Fund, L.P. | 30 Sep 2025 |
| TCG Crossover GP I, LLC | 0.2% | $649,193 | 64,023 | TCG Crossover GP I, LLC | 28 Apr 2025 | |||
| Atlas Venture Fund XII, L.P. | 0.2% | $521,257 | 51,406 | Atlas Venture Associates XII, L.P. | 28 Apr 2025 |
As of 31 Dec 2025, 58 institutional investors reported holding 15,474,903 shares of Jade Biosciences, Inc. - Common Stock, $0.0001 par value per share (JBIO). This represents 31% of the company’s total 49,428,467 outstanding shares.
The largest institutional shareholders of Jade Biosciences, Inc. - Common Stock, $0.0001 par value per share (JBIO) together control 31% 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 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 5.8% | 2,870,313 | +33% | 0% | $44,288,930 |
| VANGUARD GROUP INC | 4.2% | 2,095,767 | +21% | 0% | $32,337,685 |
| Remedium Capital Partners, LLC | 3.2% | 1,577,750 | 0% | 14% | $24,345,000 |
| Versant Venture Management, LLC | 3.1% | 1,525,820 | 0% | 16% | $23,543,403 |
| Avidity Partners Management LP | 2.8% | 1,400,708 | +24% | 6.2% | $21,612,924 |
| MARSHALL WACE, LLP | 1.8% | 875,273 | +2199% | 0.01% | $13,505,462 |
| Aberdeen Group plc | 1.8% | 867,284 | 0.02% | $13,382,192 | |
| GEODE CAPITAL MANAGEMENT, LLC | 1.7% | 841,808 | +26% | 0% | $12,991,338 |
| Soleus Capital Management, L.P. | 1.6% | 796,744 | 0% | 0.52% | $12,293,760 |
| Affinity Asset Advisors, LLC | 1.4% | 714,956 | +995% | 0.79% | $11,031,771 |
| STATE STREET CORP | 1.3% | 642,921 | +29% | 0% | $9,920,271 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.25% | 125,772 | +35% | 0% | $1,940,662 |
| Nuveen, LLC | 0.25% | 124,545 | +191% | 0% | $1,921,729 |
| Bank of New York Mellon Corp | 0.23% | 114,906 | +40% | 0% | $1,772,999 |
| Sofinnova Investments, Inc. | 0.22% | 107,391 | 0% | 0.07% | $1,657,043 |
| UBS Group AG | 0.2% | 96,786 | +388% | 0% | $1,493,408 |
| MORGAN STANLEY | 0.16% | 79,767 | +47% | 0% | $1,230,805 |
| BARCLAYS PLC | 0.15% | 72,194 | +58% | 0% | $1,113,953 |
| RENAISSANCE TECHNOLOGIES LLC | 0.14% | 69,601 | 0% | $1,073,943 | |
| Connor, Clark & Lunn Investment Management Ltd. | 0.14% | 67,230 | 0% | $1,037,359 | |
| GOLDMAN SACHS GROUP INC | 0.13% | 65,340 | -60% | 0% | $1,008,196 |
| WELLS FARGO & COMPANY/MN | 0.1% | 51,892 | +109% | 0% | $800,693 |
| RHUMBLINE ADVISERS | 0.1% | 50,053 | +17% | 0% | $772,310 |
| SCHRODER INVESTMENT MANAGEMENT GROUP | 0.08% | 39,279 | 0% | $610,985 | |
| DEUTSCHE BANK AG\ | 0.07% | 34,455 | +16% | 0% | $531,641 |