Crescent BiopharmaCBIO
13F holders, Q3 2025 (September 30)At the end of Q3 2025, 41 institutions reported holding Crescent Biopharma Inc. (CBIO) in their 13F filings, up 11 from Q2 2025. 15 opened new positions and 4 sold out. The largest holders were FMR LLC ($16.8M), Fairmount Funds Management LLC ($16.5M) and Venrock Adviser, LLC ($16.5M). 2 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Crescent Biopharma Inc.
- CUSIP
- G2545C104
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 15 | $15.9M |
| Exits | 4 | $14.6M |
All 13F filers, Q2 2025 → Q3 2025: 2,300,195 shares bought and 1,733,070 shares sold, net +567,125 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 41 holders
| FMR LLC | 0.00% | Add +0.0% | 1,414,680 | $16.8M |
| Fairmount Funds Management LLC | 1.48% | No change | 1,387,866 | $16.5M |
| Venrock Adviser, LLC | 0.93% | No change | 1,387,864 | $16.5M |
| BVF Inc. | 0.67% | No change | 1,387,863 | $16.5M |
| Tang Capital Management LLC | 0.31% | Add +1255.5% | 679,824 | $8.1M |
| Vanguard Group Inc. | 0.00% | New | 657,900 | $7.8M |
| Logos Global Management LP | 0.70% | Add +8.4% | 600,000 | $7.1M |
| Perceptive Advisors LLC | 0.16% | No change | 453,686 | $5.4M |
| Boxer Capital Management, LLC | 1.72% | No change | 453,686 | $5.4M |
| Deep Track Capital, LP | 0.15% | No change | 453,686 | $5.4M |
| Commodore Capital LP | 0.26% | Reduce -0.6% | 450,829 | $5.4M |
| T. Rowe Price Associates Inc. | 0.00% | New | 383,595 | $4.6M |
| Driehaus Capital Management LLC | 0.03% | No change | 302,457 | $3.6M |
| Frazier Life Sciences Management, L.P. | 0.10% | Reduce -39.8% | 272,951 | $3.2M |
| Adage Capital Partners Gp, L.L.C. | 0.00% | Add +98.2% | 200,005 | $2.4M |
| Soleus Capital Management, L.P. | 0.13% | Reduce -50.0% | 200,000 | $2.4M |
| BlackRock, Inc. | 0.00% | Add +1703.3% | 109,115 | $1.3M |
| Jefferies Financial Group Inc. | 0.01% | Add +279.1% | 102,714 | $1.2M |
| Blackstone Inc. | 0.00% | No change | 75,614 | $899K |
| Geode Capital Management, LLC | 0.00% | New | 69,134 | $822K |
| Marshall Wace, LLP | 0.00% | New | 43,694 | $520K |
| Goldman Sachs Group Inc. | 0.00% | New | 36,975 | $440K |
| Two Sigma Investments, LP | 0.00% | New | 28,318 | $337K |
| Renaissance Technologies | 0.00% | New | 26,900 | $320K |
| Citadel Advisors | 0.00% | New | 25,593 | $304K |
| Manufacturers Life Insurance Company, The | 0.00% | New | 24,923 | $296K |
| State Street Corp. | 0.00% | New | 18,617 | $221K |
| Affinity Asset Advisors, LLC | 0.02% | Reduce -93.6% | 17,998 | $214K |
| Wellington Management Group LLP | 0.00% | Reduce -90.2% | 17,698 | $210K |
| Northern Trust Corp. | 0.00% | New | 16,816 | $200K |
| UBS Group AG | 0.00% | Add +5577.6% | 12,661 | $151K |
| Bank of America Corp. | 0.00% | Reduce -58.1% | 3,863 | $46K |
| Citigroup Inc. | 0.00% | New | 798 | $9K |
| Tower Research Capital LLC (TRC) | 0.00% | New | 200 | $2K |
| Morgan Stanley | 0.00% | Reduce -99.1% | 145 | $2K |
| Group One Trading LLC | 0.00% | Reduce -49.4% | 82 | $975 |
| SBI Securities Co., Ltd. | 0.00% | No change | 68 | $809 |
| Osaic Holdings, Inc. | 0.00% | New | 26 | $374 |
| JPMorgan Chase & Co. | 0.00% | New | 17 | $202 |
| BNP Paribas Financial Markets | 0.00% | No change | 4 | $48 |
| Royal Bank of Canada | 0.00% | No change | 20 | $0 |
"% of holder's portfolio" is CBIO's weight in each manager's 13F, not the share of Crescent Biopharma Inc. the manager owns.