Starling OncologySTLN
13F holders, Q1 2025 (March 31)43holders +12
15new positions
3sold out
1famous investor
$1.14avg. 13F price*
At the end of Q1 2025, 43 institutions reported holding Starling Oncology Inc. (STLN) in their 13F filings, up 12 from Q4 2024. 15 opened new positions and 3 sold out. The largest holders were Deerfield Management Company, L.P. ($3.8M), Tiff Advisory Services, LLC ($3.4M) and Balyasny Asset Management L.P. ($2.4M). One famous investor held it Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Starling Oncology Inc.
- Filed as
- THE ONCOLOGY INSTITUTE INC (Q1 2025)
- CUSIP
- 68236X100
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 15 | $3.4M |
| Exits | 3 | $87K |
All 13F filers, Q4 2024 → Q1 2025: 3,528,661 shares bought and 1,190,548 shares sold, net +2,338,113 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 43 holders
| Deerfield Management Company, L.P. | 0.09% | No change | 3,360,052 | $3.8M |
| Tiff Advisory Services, LLC | 0.81% | No change | 2,979,141 | $3.4M |
| Balyasny Asset Management L.P. | 0.01% | Add +24.4% | 2,147,332 | $2.4M |
| Josh Arnold Investment Consultant, LLC | 1.89% | New | 1,988,900 | $2.3M |
| Vanguard Group Inc. | 0.00% | Reduce -0.2% | 1,750,714 | $2.0M |
| Cincinnati Insurance Co. | 0.02% | Reduce -39.0% | 1,240,795 | $1.4M |
| FreeGulliver LLC | 0.31% | Reduce -9.4% | 544,361 | $621K |
| Geode Capital Management, LLC | 0.00% | Add +11.1% | 385,747 | $440K |
| Manatuck Hill Partners, LLC | 0.18% | New | 350,000 | $399K |
| BlackRock, Inc. | 0.00% | Add +3.5% | 262,350 | $299K |
| FourWorld Capital Management LLC | 0.20% | No change | 257,000 | $293K |
| Renaissance Technologies | 0.00% | Add +36.0% | 247,600 | $282K |
| Quattro Financial Advisors LLC | 0.06% | No change | 162,724 | $186K |
| BRC Group Holdings, Inc. | 0.22% | New | 150,000 | $171K |
| Bank of New York Mellon Corp | 0.00% | No change | 125,141 | $143K |
| Goldman Sachs Group Inc. | 0.00% | New | 115,140 | $131K |
| State Street Corp. | 0.00% | No change | 101,300 | $115K |
| Massar Capital Management, LP | 0.14% | New | 100,000 | $114K |
| Saba Capital Management, L.P. | 0.00% | No change | 94,264 | $107K |
| Lee Financial Co | 0.01% | No change | 81,362 | $93K |
| HighTower Advisors, LLC | 0.00% | No change | 81,362 | $93K |
| Northern Trust Corp. | 0.00% | Add +18.6% | 76,993 | $88K |
| Fielder Capital Group LLC | 0.02% | No change | 70,192 | $80K |
| WealthShield Partners, LLC | 0.01% | New | 70,154 | $80K |
| Citizens Financial Group Inc. | 0.00% | New | 62,700 | $71K |
| XTX Topco Ltd | 0.00% | Add +49.5% | 55,698 | $63K |
| Morgan Stanley | 0.00% | Add +0.3% | 30,488 | $35K |
| Gsa Capital Partners LLP | 0.00% | New | 28,529 | $33K |
| Susquehanna International Group, LLP | 0.00% | New | 22,388 | $26K |
| Jain Global LLC | 0.00% | New | 15,900 | $18K |
| HRT Financial LP | 0.00% | New | 16,658 | $18K |
| Hudson Bay Capital Management LP | 0.00% | New | 15,200 | $17K |
| Two Sigma Securities, LLC | 0.00% | New | 14,713 | $17K |
| Cetera Investment Advisers | 0.00% | New | 13,000 | $15K |
| UBS Group AG | 0.00% | Reduce -83.7% | 10,077 | $11K |
| AMG National Trust Bank | 0.00% | No change | 10,000 | $11K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -29.5% | 9,543 | $11K |
| Bank of America Corp. | 0.00% | Add +0.5% | 2,933 | $3K |
| Capital Advisors, Ltd. LLC | 0.00% | No change | 1,219 | $1K |
| SBI Securities Co., Ltd. | 0.00% | New | 200 | $228 |
| JPMorgan Chase & Co. | 0.00% | Reduce -67.5% | 54 | $62 |
| BNP Paribas Financial Markets | 0.00% | No change | 5 | $6 |
| Citigroup Inc. | 0.00% | Reduce -99.5% | 3 | $3 |
"% of holder's portfolio" is STLN's weight in each manager's 13F, not the share of Starling Oncology Inc. the manager owns.