Starling Oncology, Inc.
STLN- Exchange
- Nasdaq
- Industry
- Services-Offices & Clinics of Doctors of Medicine
- SEC CIK
- 0001799191
In the last 90 days, Starling Oncology, Inc. insiders filed 3 open-market purchases and 2 sales; 119 institutions reported holding it in 13F filings for Q2 2026, worth $217.6M in total; no superinvestor holds it.
13F holders, Q4 2025
Institutional positions in Starling Oncology, Inc. as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 117
- +11 vs. Q3 2025
- Shares held
- 38.5M
- +4.00M (+11.6%) vs. Q3 2025
- Total value
- $137.1M
- +$16.8M (+13.9%) vs. Q3 2025
- New holders
- 29
- 47 more added
- Sold out
- 18
- 26 more reduced
2 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting STLN on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 119 | $217.6M |
| Q1 2026 | 115 | $118.9M |
| Q4 2025 | 117 | $137.1M |
| Q3 2025 | 108 | $121.0M |
| Q2 2025 | 79 | $65.5M |
| Q1 2025 | 43 | $19.4M |
| Q4 2024 | 31 | $4.61M |
| Q3 2024 | 34 | $6.73M |
| Q2 2024 | 39 | $8.60M |
| Q1 2024 | 47 | $27.2M |
| Q4 2023 | 45 | $37.6M |
| Q3 2023 | 36 | $21.2M |
| Q2 2023 | 38 | $7.66M |
| Q1 2023 | 39 | $14.9M |
| Q4 2022 | 40 | $38.7M |
| Q3 2022 | 39 | $108.4M |
| Q2 2022 | 36 | $110.9M |
| Q1 2022 | 29 | $159.0M |
| Q4 2021 | 21 | $199.9M |
| Q3 2021 | 1 | $2.50M |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q4 2025
Shares, value and share of portfolio for each institution holding Starling Oncology, Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 4,748,635 | $16.9M | 0.00% | +203,390+4.5% | Added |
| BlackRock, Inc. | 3,905,333 | $13.9M | 0.00% | +470,458+13.7% | Added |
| Deerfield Management Company, L.P. (Series C) | 3,360,052 | $12.0M | 0.15% | 00.0% | Unchanged |
| CenterBook Partners LP | 3,029,312 | $10.8M | 0.53% | +324,662+12.0% | Added |
| Kanen Wealth Management LLC | 2,976,144 | $10.7M | 3.34% | +1,134,043+61.6% | Added |
| Balyasny Asset Management LLC | 2,518,437 | $8.97M | 0.02% | +1000.0% | Added |
| Josh Arnold Investment Consultant, LLC | 2,459,809 | $8.76M | 6.53% | +2,255,559+1,104.3% | Added |
| Geode Capital Management, LLC | 1,570,454 | $5.59M | 0.00% | +168,548+12.0% | Added |
| Wexford Capital LP | 1,533,456 | $5.46M | 1.40% | −37,613−2.4% | Reduced |
| State Street Corp | 1,351,624 | $4.81M | 0.00% | +221,599+19.6% | Added |
| Jane Street Group, LLC | 803,315 | $2.86M | 0.00% | +678,427+543.2% | Added |
| Renaissance Technologies LLC | 721,900 | $2.57M | 0.00% | −28,600−3.8% | Reduced |
| B. Riley Financial, Inc. | 663,376 | $2.36M | 1.01% | −148,170−18.3% | Reduced |
| Goldman Sachs Group Inc | 570,424 | $2.03M | 0.00% | −111,219−16.3% | Reduced |
| Northern Trust Corp | 499,244 | $1.78M | 0.00% | +34,552+7.4% | Added |
| Massar Capital Management, LP | 400,000 | $1.42M | 0.28% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 386,778 | $1.38M | 0.00% | +362,349+1,483.3% | Added |
| FourWorld Capital Management LLC | 382,700 | $1.36M | 1.28% | +24,700+6.9% | Added |
| GatePass Capital, LLC | 360,000 | $1.28M | 0.66% | +360,000 | New |
| FreeGulliver LLC | 355,672 | $1.27M | 0.57% | +145,672+69.4% | Added |
| Susquehanna International Group, LLP | 295,150 | $1.05M | 0.00% | +295,150 | New |
| UBS Group AG | 287,686 | $1.02M | 0.00% | −768,176−72.8% | Reduced |
| LPL Financial LLC | 270,885 | $964.4K | 0.00% | +3,900+1.5% | Added |
| Two Sigma Investments, LP | 262,050 | $932.9K | 0.00% | −16,917−6.1% | Reduced |
| Maven Securities LTD | 251,128 | $894.0K | 0.11% | +151,128+151.1% | Added |
| Mount Lucas Management LP | 250,000 | $890.0K | 0.39% | +89,500+55.8% | Added |
| Morgan Stanley | 222,053 | $790.5K | 0.00% | +131,037+144.0% | Added |
| Charles Schwab Investment Management Inc | 208,265 | $741.4K | 0.00% | +20,731+11.1% | Added |
| T3 Companies, LLC | 201,100 | $715.9K | 0.92% | +201,100 | New |
| Tiff Advisory Services Inc | 195,569 | $696.2K | 0.12% | −661,059−77.2% | Reduced |
| Millennium Management LLC | 193,141 | $687.6K | 0.00% | −757,860−79.7% | Reduced |
| EAM Investors, LLC | 182,509 | $649.7K | 0.07% | 00.0% | Unchanged |
| Marshall Wace, LLP | 180,300 | $641.9K | 0.00% | +155,136+616.5% | Added |
| Arrowstreet Capital, Limited Partnership | 155,724 | $554.4K | 0.00% | +155,724 | New |
| Bank of New York Mellon Corp | 138,838 | $494.3K | 0.00% | +6,941+5.3% | Added |
| ExodusPoint Capital Management, LP | 117,326 | $417.7K | 0.00% | +2,083+1.8% | Added |
| SEI Investments Co | 111,553 | $397.1K | 0.00% | +111,553 | New |
| State of Wyoming | 106,673 | $379.8K | 0.04% | +43,688+69.4% | Added |
| Barclays PLC | 106,452 | $379.0K | 0.00% | +20,605+24.0% | Added |
| Kingswood Wealth Advisors, LLC | 98,700 | $351.4K | 0.02% | +21,100+27.2% | Added |
| HighTower Advisors, LLC | 85,851 | $305.6K | 0.00% | +4,489+5.5% | Added |
| Boothbay Fund Management, LLC | 85,230 | $303.4K | 0.01% | −162,654−65.6% | Reduced |
| Wells Fargo & Company | 83,601 | $297.6K | 0.00% | +45,234+117.9% | Added |
| Lee Financial Co | 81,362 | $289.6K | 0.04% | 00.0% | Unchanged |
| Creative Planning | 78,633 | $279.9K | 0.00% | +78,633 | New |
| Nuveen, LLC | 76,672 | $273.0K | 0.00% | 00.0% | Unchanged |
| Rhumbline Advisers | 74,585 | $265.5K | 0.00% | −8,794−10.5% | Reduced |
| Gsa Capital Partners LLP | 70,654 | $252.0K | 0.02% | +70,654 | New |
| Fielder Capital Group LLC | 70,192 | $249.9K | 0.05% | 00.0% | Unchanged |
| WealthShield Partners, LLC | 70,154 | $249.7K | 0.03% | 00.0% | Unchanged |
| Point72 Asset Management, L.P. | 69,275 | $246.6K | 0.00% | +69,275 | New |
| Private Advisor Group, LLC | 62,222 | $221.5K | 0.00% | −6,700−9.7% | Reduced |
| Group One Trading, L.P. | 62,140 | $221.2K | 0.01% | +62,140 | New |
| Squarepoint Ops LLC | 61,764 | $219.9K | 0.00% | −80,790−56.7% | Reduced |
| Alliancebernstein L.P. | 61,600 | $219.3K | 0.00% | 00.0% | Unchanged |
| Caption Management, LLC | 50,100 | $178.4K | 0.01% | +50,100 | New |
| AQR Capital Management LLC | 48,072 | $171.1K | 0.00% | +4,007+9.1% | Added |
| Deutsche Bank AG | 47,848 | $170.3K | 0.00% | −40,633−45.9% | Reduced |
| Invesco Ltd. | 47,012 | $167.4K | 0.00% | +8,425+21.8% | Added |
| XTX Topco Ltd | 46,522 | $165.6K | 0.00% | +46,522 | New |
| Bank of America Corp | 46,448 | $165.4K | 0.00% | −5,276−10.2% | Reduced |
| MetLife Investment Management | 40,455 | $144.0K | 0.00% | +18,819+87.0% | Added |
| Price T Rowe Associates Inc | 38,002 | $136.0K | 0.00% | +8,238+27.7% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 31,666 | $112.7K | 0.00% | +4,514+16.6% | Added |
| nVerses Capital, LLC | 31,595 | $112.5K | 0.25% | +31,595 | New |
| Larson Financial Group LLC | 31,468 | $112.0K | 0.00% | +5,181+19.7% | Added |
| GWM Advisors LLC | 31,180 | $111.0K | 0.00% | −11,745−27.4% | Reduced |
| Mangrove Partners | 30,581 | $108.9K | 0.01% | +30,581 | New |
| Aquatic Capital Management LLC | 29,588 | $105.3K | 0.00% | +29,588 | New |
| Holt Capital Advisors, L.L.C. dba Holt Capital Partners, L.P. | 29,534 | $105.1K | 0.01% | +29,534 | New |
| Jump Financial, LLC | 25,279 | $90.0K | 0.00% | −58,121−69.7% | Reduced |
| Cetera Investment Advisers | 24,287 | $86.5K | 0.00% | −20,958−46.3% | Reduced |
| Caitong International Asset Management Co., Ltd | 22,466 | $80.0K | 0.02% | +19,190+585.8% | Added |
| Manufacturers Life Insurance Company, The | 21,831 | $77.7K | 0.00% | +1,037+5.0% | Added |
| EntryPoint Capital, LLC | 18,456 | $65.7K | 0.03% | +18,456 | New |
| Intech Investment Management LLC | 17,722 | $63.1K | 0.00% | −1,887−9.6% | Reduced |
| National Bank of Canada | 17,733 | $63.0K | 0.00% | −73,708−80.6% | Reduced |
| SG Americas Securities, LLC | 16,137 | $57.0K | 0.00% | −12,208−43.1% | Reduced |
| Adviser Investments LLC | 15,633 | $55.7K | 0.00% | +15,633 | New |
| Engineers Gate Manager LP | 15,429 | $54.9K | 0.00% | +15,429 | New |
| Police & Firemen's Retirement System of New Jersey | 15,386 | $54.8K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 14,978 | $53.3K | 0.00% | +2,859+23.6% | Added |
| Prudential Financial Inc | 14,765 | $52.6K | 0.00% | −2,970−16.7% | Reduced |
| ProShare Advisors LLC | 12,469 | $44.4K | 0.00% | +2,208+21.5% | Added |
| Voya Investment Management LLC | 11,846 | $42.2K | 0.00% | +928+8.5% | Added |
| Intrua Financial, LLC | 11,676 | $41.6K | 0.00% | −5,738−33.0% | Reduced |
| R Squared Ltd | 11,462 | $40.8K | 0.02% | +11,462 | New |
| AMG National Trust Bank | 10,000 | $35.6K | 0.00% | 00.0% | Unchanged |
| Pekin Hardy Strauss, Inc. | 10,000 | $35.6K | 0.00% | +10,000 | New |
| Kestra Advisory Services, LLC | 8,680 | $30.9K | 0.00% | +8,680 | New |
| Legal & General Group Plc | 7,724 | $27.5K | 0.00% | +1,148+17.5% | Added |
| Advisor Group Holdings, Inc. | 7,002 | $24.9K | 0.00% | +4,785+215.8% | Added |
| Ameritas Investment Partners, Inc. | 6,026 | $21.5K | 0.00% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 5,600 | $19.9K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 5,347 | $19.0K | 0.00% | −8,286−60.8% | Reduced |
| Royal Bank of Canada | 5,106 | $18.0K | 0.00% | +3,568+232.0% | Added |
| Russell Investments Group, Ltd. | 4,931 | $17.6K | 0.00% | +42+0.9% | Added |
| California State Teachers Retirement System | 4,202 | $15.0K | 0.00% | +517+14.0% | Added |
| SBI Securities Co., Ltd. | 3,500 | $12.5K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 2,144 | $8.00K | 0.00% | +128+6.3% | Added |