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 |
|---|---|---|---|---|---|
| Capital Advisors, Ltd. LLC | 3 | $0 | 0.00% | −1,216−99.8% | Reduced |
| CWM, LLC | 3 | $0 | 0.00% | −106−97.2% | Reduced |
| Rothschild Investment LLC | 1 | $4 | 0.00% | +1 | New |
| Northwestern Mutual Wealth Management Co | 8 | $28 | 0.00% | +8 | New |
| Parallel Advisors, LLC | 39 | $139 | 0.00% | +39 | New |
| Allworth Financial LP | 58 | $207 | 0.00% | +54+1,350.0% | Added |
| GAMMA Investing LLC | 160 | $570 | 0.00% | +160 | New |
| The PNC Financial Services Group, Inc. | 162 | $577 | 0.00% | +10+6.6% | Added |
| Signaturefd, LLC | 186 | $662 | 0.00% | +186 | New |
| Sterling Capital Management LLC | 390 | $1.39K | 0.00% | +245+169.0% | Added |
| SJS Investment Consulting Inc. | 459 | $1.64K | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 500 | $1.78K | 0.00% | 00.0% | Unchanged |
| Bessemer Group Inc | 1,024 | $4.00K | 0.00% | +1,024 | New |
| FMR LLC | 1,492 | $5.31K | 0.00% | +866+138.3% | Added |
| Strive Financial Group ,LLC | 1,584 | $5.64K | 0.00% | +1,584 | New |
| Citigroup Inc | 1,751 | $6.23K | 0.00% | −799−31.3% | Reduced |
| Simplex Trading, LLC | 1,806 | $6.43K | 0.00% | +1,806 | New |
| Amalgamated Bank | 2,144 | $8.00K | 0.00% | +128+6.3% | Added |
| SBI Securities Co., Ltd. | 3,500 | $12.5K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 4,202 | $15.0K | 0.00% | +517+14.0% | Added |
| Russell Investments Group, Ltd. | 4,931 | $17.6K | 0.00% | +42+0.9% | Added |
| Royal Bank of Canada | 5,106 | $18.0K | 0.00% | +3,568+232.0% | Added |
| Tower Research Capital LLC (TRC) | 5,347 | $19.0K | 0.00% | −8,286−60.8% | Reduced |
| New York State Common Retirement Fund | 5,600 | $19.9K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 6,026 | $21.5K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 7,002 | $24.9K | 0.00% | +4,785+215.8% | Added |
| Legal & General Group Plc | 7,724 | $27.5K | 0.00% | +1,148+17.5% | Added |
| Kestra Advisory Services, LLC | 8,680 | $30.9K | 0.00% | +8,680 | 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 |
| R Squared Ltd | 11,462 | $40.8K | 0.02% | +11,462 | New |
| Intrua Financial, LLC | 11,676 | $41.6K | 0.00% | −5,738−33.0% | Reduced |
| Voya Investment Management LLC | 11,846 | $42.2K | 0.00% | +928+8.5% | Added |
| ProShare Advisors LLC | 12,469 | $44.4K | 0.00% | +2,208+21.5% | Added |
| Prudential Financial Inc | 14,765 | $52.6K | 0.00% | −2,970−16.7% | Reduced |
| BNP Paribas Arbitrage, SA | 14,978 | $53.3K | 0.00% | +2,859+23.6% | Added |
| Police & Firemen's Retirement System of New Jersey | 15,386 | $54.8K | 0.00% | 00.0% | Unchanged |
| Engineers Gate Manager LP | 15,429 | $54.9K | 0.00% | +15,429 | New |
| Adviser Investments LLC | 15,633 | $55.7K | 0.00% | +15,633 | New |
| SG Americas Securities, LLC | 16,137 | $57.0K | 0.00% | −12,208−43.1% | Reduced |
| National Bank of Canada | 17,733 | $63.0K | 0.00% | −73,708−80.6% | Reduced |
| Intech Investment Management LLC | 17,722 | $63.1K | 0.00% | −1,887−9.6% | Reduced |
| EntryPoint Capital, LLC | 18,456 | $65.7K | 0.03% | +18,456 | New |
| Manufacturers Life Insurance Company, The | 21,831 | $77.7K | 0.00% | +1,037+5.0% | Added |
| Caitong International Asset Management Co., Ltd | 22,466 | $80.0K | 0.02% | +19,190+585.8% | Added |
| Cetera Investment Advisers | 24,287 | $86.5K | 0.00% | −20,958−46.3% | Reduced |
| Jump Financial, LLC | 25,279 | $90.0K | 0.00% | −58,121−69.7% | Reduced |
| Holt Capital Advisors, L.L.C. dba Holt Capital Partners, L.P. | 29,534 | $105.1K | 0.01% | +29,534 | New |
| Aquatic Capital Management LLC | 29,588 | $105.3K | 0.00% | +29,588 | New |
| Mangrove Partners | 30,581 | $108.9K | 0.01% | +30,581 | New |
| GWM Advisors LLC | 31,180 | $111.0K | 0.00% | −11,745−27.4% | Reduced |
| Larson Financial Group LLC | 31,468 | $112.0K | 0.00% | +5,181+19.7% | Added |
| nVerses Capital, LLC | 31,595 | $112.5K | 0.25% | +31,595 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 31,666 | $112.7K | 0.00% | +4,514+16.6% | Added |
| Price T Rowe Associates Inc | 38,002 | $136.0K | 0.00% | +8,238+27.7% | Added |
| MetLife Investment Management | 40,455 | $144.0K | 0.00% | +18,819+87.0% | Added |
| Bank of America Corp | 46,448 | $165.4K | 0.00% | −5,276−10.2% | Reduced |
| XTX Topco Ltd | 46,522 | $165.6K | 0.00% | +46,522 | New |
| Invesco Ltd. | 47,012 | $167.4K | 0.00% | +8,425+21.8% | Added |
| Deutsche Bank AG | 47,848 | $170.3K | 0.00% | −40,633−45.9% | Reduced |
| AQR Capital Management LLC | 48,072 | $171.1K | 0.00% | +4,007+9.1% | Added |
| Caption Management, LLC | 50,100 | $178.4K | 0.01% | +50,100 | New |
| Alliancebernstein L.P. | 61,600 | $219.3K | 0.00% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 61,764 | $219.9K | 0.00% | −80,790−56.7% | Reduced |
| Group One Trading, L.P. | 62,140 | $221.2K | 0.01% | +62,140 | New |
| Private Advisor Group, LLC | 62,222 | $221.5K | 0.00% | −6,700−9.7% | Reduced |
| Point72 Asset Management, L.P. | 69,275 | $246.6K | 0.00% | +69,275 | New |
| WealthShield Partners, LLC | 70,154 | $249.7K | 0.03% | 00.0% | Unchanged |
| Fielder Capital Group LLC | 70,192 | $249.9K | 0.05% | 00.0% | Unchanged |
| Gsa Capital Partners LLP | 70,654 | $252.0K | 0.02% | +70,654 | New |
| Rhumbline Advisers | 74,585 | $265.5K | 0.00% | −8,794−10.5% | Reduced |
| Nuveen, LLC | 76,672 | $273.0K | 0.00% | 00.0% | Unchanged |
| Creative Planning | 78,633 | $279.9K | 0.00% | +78,633 | New |
| Lee Financial Co | 81,362 | $289.6K | 0.04% | 00.0% | Unchanged |
| Wells Fargo & Company | 83,601 | $297.6K | 0.00% | +45,234+117.9% | Added |
| Boothbay Fund Management, LLC | 85,230 | $303.4K | 0.01% | −162,654−65.6% | Reduced |
| HighTower Advisors, LLC | 85,851 | $305.6K | 0.00% | +4,489+5.5% | Added |
| Kingswood Wealth Advisors, LLC | 98,700 | $351.4K | 0.02% | +21,100+27.2% | Added |
| Barclays PLC | 106,452 | $379.0K | 0.00% | +20,605+24.0% | Added |
| State of Wyoming | 106,673 | $379.8K | 0.04% | +43,688+69.4% | Added |
| SEI Investments Co | 111,553 | $397.1K | 0.00% | +111,553 | New |
| ExodusPoint Capital Management, LP | 117,326 | $417.7K | 0.00% | +2,083+1.8% | Added |
| Bank of New York Mellon Corp | 138,838 | $494.3K | 0.00% | +6,941+5.3% | Added |
| Arrowstreet Capital, Limited Partnership | 155,724 | $554.4K | 0.00% | +155,724 | New |
| Marshall Wace, LLP | 180,300 | $641.9K | 0.00% | +155,136+616.5% | Added |
| EAM Investors, LLC | 182,509 | $649.7K | 0.07% | 00.0% | Unchanged |
| Millennium Management LLC | 193,141 | $687.6K | 0.00% | −757,860−79.7% | Reduced |
| Tiff Advisory Services Inc | 195,569 | $696.2K | 0.12% | −661,059−77.2% | Reduced |
| T3 Companies, LLC | 201,100 | $715.9K | 0.92% | +201,100 | New |
| Charles Schwab Investment Management Inc | 208,265 | $741.4K | 0.00% | +20,731+11.1% | Added |
| Morgan Stanley | 222,053 | $790.5K | 0.00% | +131,037+144.0% | Added |
| Mount Lucas Management LP | 250,000 | $890.0K | 0.39% | +89,500+55.8% | Added |
| Maven Securities LTD | 251,128 | $894.0K | 0.11% | +151,128+151.1% | Added |
| Two Sigma Investments, LP | 262,050 | $932.9K | 0.00% | −16,917−6.1% | Reduced |
| LPL Financial LLC | 270,885 | $964.4K | 0.00% | +3,900+1.5% | Added |
| UBS Group AG | 287,686 | $1.02M | 0.00% | −768,176−72.8% | Reduced |
| Susquehanna International Group, LLP | 295,150 | $1.05M | 0.00% | +295,150 | New |
| FreeGulliver LLC | 355,672 | $1.27M | 0.57% | +145,672+69.4% | Added |
| GatePass Capital, LLC | 360,000 | $1.28M | 0.66% | +360,000 | New |
| FourWorld Capital Management LLC | 382,700 | $1.36M | 1.28% | +24,700+6.9% | Added |