Starling OncologySTLN
13F holders, Q3 2025 (September 30)108holders +29
35new positions
6sold out
4famous investors
$3.49avg. 13F price*
At the end of Q3 2025, 108 institutions reported holding Starling Oncology Inc. (STLN) in their 13F filings, up 29 from Q2 2025. 35 opened new positions and 6 sold out. The largest holders were Vanguard Group Inc. ($15.9M), BlackRock, Inc. ($12.0M) and Deerfield Management Company, L.P. ($11.7M). 4 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Cliff Asness (0.0% of AQR Capital Management's portfolio).
- Company
- Starling Oncology Inc.
- Filed as
- THE ONCOLOGY INSTITUTE INC (Q3 2025)
- CUSIP
- 68236X100
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 35 | $13.0M |
| Exits | 6 | $1.3M |
All 13F filers, Q2 2025 → Q3 2025: 10,528,009 shares bought and 7,793,772 shares sold, net +2,734,237 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 108 holders
| Vanguard Group Inc. | 0.00% | Add +6.2% | 4,545,245 | $15.9M |
| BlackRock, Inc. | 0.00% | Add +3.9% | 3,434,875 | $12.0M |
| Deerfield Management Company, L.P. | 0.19% | No change | 3,360,052 | $11.7M |
| CenterBook Partners LP | 0.47% | Add +277.8% | 2,704,650 | $9.4M |
| Balyasny Asset Management L.P. | 0.02% | No change | 2,518,337 | $8.8M |
| Kanen Wealth Management LLC | 2.15% | New | 1,842,101 | $6.4M |
| Wexford Capital LP | 1.65% | Add +40.4% | 1,571,069 | $5.5M |
| Geode Capital Management, LLC | 0.00% | Add +9.6% | 1,401,906 | $4.9M |
| State Street Corp. | 0.00% | Add +74.9% | 1,130,025 | $3.9M |
| UBS Group AG | 0.00% | Add +151.2% | 1,055,862 | $3.7M |
| Millennium Management | 0.00% | Add +134.8% | 951,001 | $3.3M |
| Tiff Advisory Services, LLC | 0.62% | Reduce -76.4% | 856,628 | $3.0M |
| BRC Group Holdings, Inc. | 1.93% | Add +75.7% | 811,546 | $2.8M |
| Renaissance Technologies | 0.00% | Add +64.0% | 750,500 | $2.6M |
| Goldman Sachs Group Inc. | 0.00% | Add +340.8% | 681,643 | $2.4M |
| Manatuck Hill Partners, LLC | 0.75% | Add +152.1% | 629,800 | $2.2M |
| Northern Trust Corp. | 0.00% | Add +13.0% | 464,692 | $1.6M |
| Massar Capital Management, LP | 0.50% | No change | 400,000 | $1.4M |
| FourWorld Capital Management LLC | 3.03% | Reduce -8.6% | 358,000 | $1.2M |
| Two Sigma Investments, LP | 0.00% | Add +0.3% | 278,967 | $974K |
| LPL Financial LLC | 0.00% | New | 266,985 | $932K |
| Boothbay Fund Management, LLC | 0.02% | New | 247,884 | $865K |
| EHP Funds Inc. | 1.12% | New | 244,041 | $852K |
| FreeGulliver LLC | 0.33% | Reduce -38.9% | 210,000 | $733K |
| Josh Arnold Investment Consultant, LLC | 0.57% | Reduce -91.7% | 204,250 | $713K |
| Nkcfo LLC | 0.20% | New | 190,000 | $663K |
| Charles Schwab Investment Management Inc. | 0.00% | Add +27.1% | 187,534 | $654K |
| Cubist Systematic Strategies, LLC | 0.01% | Add +433.6% | 185,160 | $646K |
| Informed Momentum Co LLC | 0.07% | Reduce -6.8% | 182,509 | $637K |
| Mount Lucas Management LP | 0.25% | Add +108.4% | 160,500 | $560K |
| Squarepoint Ops LLC | 0.00% | New | 142,554 | $498K |
| Bank of New York Mellon Corp | 0.00% | Reduce -47.0% | 131,897 | $460K |
| Panagora Asset Management Inc. | 0.00% | No change | 126,985 | $443K |
| Jane Street Group, LLC | 0.00% | New | 124,888 | $436K |
| ExodusPoint Capital Management, LP | 0.01% | New | 115,243 | $402K |
| Maven Securities LTD | 0.07% | New | 100,000 | $349K |
| National Bank of Canada | 0.00% | Add +20.3% | 91,441 | $320K |
| Morgan Stanley | 0.00% | Reduce -48.1% | 91,016 | $318K |
| Deutsche Bank AG | 0.00% | Add +5311.7% | 88,481 | $309K |
| Barclays PLC | 0.00% | Reduce -17.2% | 85,847 | $300K |
| Jump Financial, LLC | 0.00% | New | 83,400 | $291K |
| Rhumbline Advisers | 0.00% | Reduce -2.2% | 83,379 | $291K |
| Lee Financial Co | 0.04% | No change | 81,362 | $284K |
| HighTower Advisors, LLC | 0.00% | No change | 81,362 | $284K |
| Kingswood Wealth Advisors, LLC | 0.02% | Add +20.5% | 77,600 | $271K |
| Nuveen, LLC | 0.00% | No change | 76,672 | $268K |
| Graham Capital Management, L.P. | 0.01% | Reduce -16.0% | 72,408 | $253K |
| Fielder Capital Group LLC | 0.06% | No change | 70,192 | $245K |
| WealthShield Partners, LLC | 0.03% | No change | 70,154 | $245K |
| Private Advisor Group, LLC | 0.00% | New | 68,922 | $241K |
| State of Wyoming | 0.03% | Add +249.0% | 62,985 | $220K |
| Alliancebernstein L.P. | 0.00% | Add +62.1% | 61,600 | $215K |
| Bank of America Corp. | 0.00% | Add +100.4% | 51,724 | $181K |
| Cetera Investment Advisers | 0.00% | Add +157.9% | 45,245 | $158K |
| AQR Capital Management | 0.00% | New | 44,065 | $154K |
| Diametric Capital, LP | 0.06% | New | 42,945 | $150K |
| NewEdge Advisors, LLC | 0.00% | New | 42,925 | $150K |
| Quadrature Capital Ltd | 0.00% | Reduce -49.5% | 40,273 | $141K |
| Invesco Ltd. | 0.00% | Reduce -0.3% | 38,587 | $135K |
| Wells Fargo & Company | 0.00% | Add +25.8% | 38,367 | $134K |
| Raymond James Financial Inc. | 0.00% | Add +1433.6% | 35,748 | $125K |
| T. Rowe Price Associates Inc. | 0.00% | No change | 29,764 | $104K |
| SG Americas Securities, LLC | 0.00% | New | 28,345 | $99K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -15.8% | 27,152 | $95K |
| Larson Financial Group LLC | 0.00% | New | 26,287 | $92K |
| Marshall Wace, LLP | 0.00% | Reduce -98.3% | 25,164 | $88K |
| JPMorgan Chase & Co. | 0.00% | Reduce -12.6% | 24,429 | $85K |
| O'shaughnessy Asset Management, LLC | 0.00% | New | 23,794 | $83K |
| MetLife Investment Management, LLC | 0.00% | Reduce -45.8% | 21,636 | $76K |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -0.5% | 20,794 | $73K |
| Intech Investment Management LLC | 0.00% | Reduce -31.5% | 19,609 | $68K |
| Verition Fund Management LLC | 0.00% | Reduce -87.1% | 18,020 | $63K |
| Prudential Financial Inc. | 0.00% | New | 17,735 | $62K |
| Intrua Financial, LLC | 0.01% | New | 17,414 | $61K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 15,386 | $54K |
| Citadel Advisors | 0.00% | New | 14,961 | $52K |
| Sherbrooke Park Advisers LLC | 0.02% | New | 14,656 | $51K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +78.2% | 13,633 | $48K |
| BNP Paribas Financial Markets | 0.00% | Add +141.0% | 12,119 | $42K |
| Prelude Capital Management, LLC | 0.00% | New | 11,880 | $41K |
| Voya Investment Management LLC | 0.00% | Reduce -35.7% | 10,918 | $38K |
| ProShare Advisors LLC | 0.00% | Reduce -15.2% | 10,261 | $36K |
| AMG National Trust Bank | 0.00% | No change | 10,000 | $35K |
| Legal & General Group Plc | 0.00% | No change | 6,576 | $23K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 6,026 | $21K |
| FNY Investment Advisers, LLC | 0.01% | Add +50.0% | 6,000 | $20K |
| New York State Common Retirement Fund | 0.00% | Reduce -87.5% | 5,600 | $20K |
| Quantbot Technologies LP | 0.00% | New | 4,926 | $17K |
| Russell Investments Group, Ltd. | 0.00% | New | 4,889 | $17K |
| California State Teachers Retirement System | 0.00% | Add +0.1% | 3,685 | $13K |
| Point72 Europe (London) LLP | 0.00% | New | 3,572 | $12K |
| SBI Securities Co., Ltd. | 0.00% | Add +16.7% | 3,500 | $12K |
| Caitong International Asset Management Co., Ltd | 0.01% | New | 3,276 | $11K |
| Wealthspire Advisors, LLC | 0.00% | New | 3,169 | $11K |
| Citigroup Inc. | 0.00% | Reduce -87.8% | 2,550 | $9K |
| Osaic Holdings, Inc. | 0.00% | New | 2,217 | $8K |
| Amalgamated Bank | 0.00% | No change | 2,016 | $7K |
| Royal Bank of Canada | 0.00% | Reduce -95.2% | 1,538 | $5K |
| Capital Advisors, Ltd. LLC | 0.00% | No change | 1,219 | $4K |
| FMR LLC | 0.00% | Add +20.6% | 626 | $2K |
| IFP Advisors, Inc | 0.00% | New | 500 | $2K |
| SJS Investment Consulting Inc. | 0.00% | New | 459 | $2K |
| C M Bidwell & Associates Ltd. | 0.00% | New | 265 | $925 |
| PNC Financial Services Group, Inc. | 0.00% | New | 152 | $530 |
| Sterling Capital Management LLC | 0.00% | Add +1.4% | 145 | $506 |
| Arax Advisory Partners | 0.00% | New | 14 | $49 |
| Allworth Financial LP | 0.00% | New | 4 | $14 |
| Cwm, LLC | 0.00% | New | 109 | $0 |
"% of holder's portfolio" is STLN's weight in each manager's 13F, not the share of Starling Oncology Inc. the manager owns.