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, Q3 2025
Institutional positions in Starling Oncology, Inc. as of Sep 30, 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
- 108
- +29 vs. Q2 2025
- Shares held
- 34.7M
- +2.73M (+8.6%) vs. Q2 2025
- Total value
- $121.0M
- +$55.5M (+84.8%) vs. Q2 2025
- New holders
- 35
- 33 more added
- Sold out
- 6
- 24 more reduced
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Starling Oncology, Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 4,545,245 | $15.9M | 0.00% | +264,358+6.2% | Added |
| BlackRock, Inc. | 3,434,875 | $12.0M | 0.00% | +127,971+3.9% | Added |
| Deerfield Management Company, L.P. (Series C) | 3,360,052 | $11.7M | 0.18% | 00.0% | Unchanged |
| CenterBook Partners LP | 2,704,650 | $9.44M | 0.47% | +1,988,751+277.8% | Added |
| Balyasny Asset Management LLC | 2,518,337 | $8.79M | 0.02% | 00.0% | Unchanged |
| Kanen Wealth Management LLC | 1,842,101 | $6.42M | 2.15% | +1,842,101 | New |
| Wexford Capital LP | 1,571,069 | $5.48M | 1.65% | +452,390+40.4% | Added |
| Geode Capital Management, LLC | 1,401,906 | $4.89M | 0.00% | +122,463+9.6% | Added |
| State Street Corp | 1,130,025 | $3.94M | 0.00% | +483,768+74.9% | Added |
| UBS Group AG | 1,055,862 | $3.68M | 0.00% | +635,489+151.2% | Added |
| Millennium Management LLC | 951,001 | $3.32M | 0.00% | +545,992+134.8% | Added |
| Tiff Advisory Services Inc | 856,628 | $2.99M | 0.62% | −2,777,837−76.4% | Reduced |
| B. Riley Financial, Inc. | 811,546 | $2.83M | 1.92% | +349,546+75.7% | Added |
| Renaissance Technologies LLC | 750,500 | $2.62M | 0.00% | +293,000+64.0% | Added |
| Goldman Sachs Group Inc | 681,643 | $2.38M | 0.00% | +527,011+340.8% | Added |
| Manatuck Hill Partners, LLC | 629,800 | $2.20M | 0.75% | +380,000+152.1% | Added |
| Northern Trust Corp | 464,692 | $1.62M | 0.00% | +53,335+13.0% | Added |
| Massar Capital Management, LP | 400,000 | $1.40M | 0.50% | 00.0% | Unchanged |
| FourWorld Capital Management LLC | 358,000 | $1.25M | 3.03% | −33,650−8.6% | Reduced |
| Two Sigma Investments, LP | 278,967 | $973.6K | 0.00% | +802+0.3% | Added |
| LPL Financial LLC | 266,985 | $931.8K | 0.00% | +266,985 | New |
| Boothbay Fund Management, LLC | 247,884 | $865.1K | 0.02% | +247,884 | New |
| EHP Funds Inc. | 244,041 | $851.7K | 1.12% | +244,041 | New |
| FreeGulliver LLC | 210,000 | $732.9K | 0.33% | −133,800−38.9% | Reduced |
| Josh Arnold Investment Consultant, LLC | 204,250 | $712.8K | 0.57% | −2,242,300−91.7% | Reduced |
| Nkcfo LLC | 190,000 | $663.0K | 0.20% | +190,000 | New |
| Charles Schwab Investment Management Inc | 187,534 | $654.5K | 0.00% | +40,000+27.1% | Added |
| Cubist Systematic Strategies, LLC | 185,160 | $646.2K | 0.01% | +150,463+433.6% | Added |
| EAM Investors, LLC | 182,509 | $637.0K | 0.07% | −13,328−6.8% | Reduced |
| Mount Lucas Management LP | 160,500 | $560.1K | 0.25% | +83,500+108.4% | Added |
| Squarepoint Ops LLC | 142,554 | $497.5K | 0.00% | +142,554 | New |
| Bank of New York Mellon Corp | 131,897 | $460.3K | 0.00% | −116,749−47.0% | Reduced |
| Panagora Asset Management Inc | 126,985 | $443.2K | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 124,888 | $435.9K | 0.00% | +124,888 | New |
| ExodusPoint Capital Management, LP | 115,243 | $402.2K | 0.01% | +115,243 | New |
| Maven Securities LTD | 100,000 | $349.0K | 0.07% | +100,000 | New |
| National Bank of Canada | 91,441 | $320.0K | 0.00% | +15,428+20.3% | Added |
| Morgan Stanley | 91,016 | $317.6K | 0.00% | −84,357−48.1% | Reduced |
| Deutsche Bank AG | 88,481 | $308.8K | 0.00% | +86,846+5,311.7% | Added |
| Barclays PLC | 85,847 | $299.6K | 0.00% | −17,823−17.2% | Reduced |
| Jump Financial, LLC | 83,400 | $291.1K | 0.00% | +83,400 | New |
| Rhumbline Advisers | 83,379 | $291.0K | 0.00% | −1,852−2.2% | Reduced |
| Lee Financial Co | 81,362 | $284.0K | 0.04% | 00.0% | Unchanged |
| HighTower Advisors, LLC | 81,362 | $284.0K | 0.00% | 00.0% | Unchanged |
| Kingswood Wealth Advisors, LLC | 77,600 | $270.8K | 0.02% | +13,200+20.5% | Added |
| Nuveen, LLC | 76,672 | $267.6K | 0.00% | 00.0% | Unchanged |
| Graham Capital Management, L.P. | 72,408 | $252.7K | 0.01% | −13,798−16.0% | Reduced |
| Fielder Capital Group LLC | 70,192 | $245.0K | 0.06% | 00.0% | Unchanged |
| WealthShield Partners, LLC | 70,154 | $244.8K | 0.03% | 00.0% | Unchanged |
| Private Advisor Group, LLC | 68,922 | $240.5K | 0.00% | +68,922 | New |
| State of Wyoming | 62,985 | $219.8K | 0.03% | +44,937+249.0% | Added |
| Alliancebernstein L.P. | 61,600 | $215.0K | 0.00% | +23,600+62.1% | Added |
| Bank of America Corp | 51,724 | $180.5K | 0.00% | +25,916+100.4% | Added |
| Cetera Investment Advisers | 45,245 | $157.9K | 0.00% | +27,700+157.9% | Added |
| AQR Capital Management LLC | 44,065 | $153.8K | 0.00% | +44,065 | New |
| Diametric Capital, LP | 42,945 | $149.9K | 0.06% | +42,945 | New |
| GWM Advisors LLC | 42,925 | $149.8K | 0.00% | +42,925 | New |
| Quadrature Capital Ltd | 40,273 | $141.2K | 0.00% | −39,480−49.5% | Reduced |
| Invesco Ltd. | 38,587 | $134.7K | 0.00% | −121−0.3% | Reduced |
| Wells Fargo & Company | 38,367 | $133.9K | 0.00% | +7,863+25.8% | Added |
| Raymond James Financial Inc | 35,748 | $124.8K | 0.00% | +33,417+1,433.6% | Added |
| Price T Rowe Associates Inc | 29,764 | $104.0K | 0.00% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 28,345 | $99.0K | 0.00% | +28,345 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 27,152 | $94.8K | 0.00% | −5,108−15.8% | Reduced |
| Larson Financial Group LLC | 26,287 | $91.7K | 0.00% | +26,287 | New |
| Marshall Wace, LLP | 25,164 | $87.8K | 0.00% | −1,451,782−98.3% | Reduced |
| JPMorgan Chase & Co | 24,429 | $85.3K | 0.00% | −3,506−12.6% | Reduced |
| O'Shaughnessy Asset Management, LLC | 23,794 | $83.0K | 0.00% | +23,794 | New |
| MetLife Investment Management | 21,636 | $75.5K | 0.00% | −18,309−45.8% | Reduced |
| Manufacturers Life Insurance Company, The | 20,794 | $72.6K | 0.00% | −97−0.5% | Reduced |
| Intech Investment Management LLC | 19,609 | $68.4K | 0.00% | −9,005−31.5% | Reduced |
| Verition Fund Management LLC | 18,020 | $62.9K | 0.00% | −121,743−87.1% | Reduced |
| Prudential Financial Inc | 17,735 | $61.9K | 0.00% | +17,735 | New |
| Intrua Financial, LLC | 17,414 | $60.8K | 0.01% | +17,414 | New |
| Police & Firemen's Retirement System of New Jersey | 15,386 | $53.7K | 0.00% | 00.0% | Unchanged |
| Citadel Advisors LLC | 14,961 | $52.2K | 0.00% | +14,961 | New |
| Sherbrooke Park Advisers LLC | 14,656 | $51.1K | 0.02% | +14,656 | New |
| Tower Research Capital LLC (TRC) | 13,633 | $47.6K | 0.00% | +5,984+78.2% | Added |
| BNP Paribas Arbitrage, SA | 12,119 | $42.3K | 0.00% | +7,091+141.0% | Added |
| Prelude Capital Management, LLC | 11,880 | $41.5K | 0.00% | +11,880 | New |
| Voya Investment Management LLC | 10,918 | $38.1K | 0.00% | −6,073−35.7% | Reduced |
| ProShare Advisors LLC | 10,261 | $35.8K | 0.00% | −1,843−15.2% | Reduced |
| AMG National Trust Bank | 10,000 | $34.9K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 6,576 | $22.9K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 6,026 | $21.0K | 0.00% | 00.0% | Unchanged |
| FNY Investment Advisers, LLC | 6,000 | $20.0K | 0.01% | +2,000+50.0% | Added |
| New York State Common Retirement Fund | 5,600 | $19.5K | 0.00% | −39,100−87.5% | Reduced |
| Quantbot Technologies LP | 4,926 | $17.2K | 0.00% | +4,926 | New |
| Russell Investments Group, Ltd. | 4,889 | $17.1K | 0.00% | +4,889 | New |
| California State Teachers Retirement System | 3,685 | $12.9K | 0.00% | +2+0.1% | Added |
| Point72 Europe (London) LLP | 3,572 | $12.5K | 0.00% | +3,572 | New |
| SBI Securities Co., Ltd. | 3,500 | $12.2K | 0.00% | +500+16.7% | Added |
| Caitong International Asset Management Co., Ltd | 3,276 | $11.4K | 0.01% | +3,276 | New |
| Wealthspire Advisors, LLC | 3,169 | $11.1K | 0.00% | +3,169 | New |
| Citigroup Inc | 2,550 | $8.90K | 0.00% | −18,410−87.8% | Reduced |
| Advisor Group Holdings, Inc. | 2,217 | $7.63K | 0.00% | +2,217 | New |
| Amalgamated Bank | 2,016 | $7.00K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 1,538 | $5.00K | 0.00% | −30,606−95.2% | Reduced |
| Capital Advisors, Ltd. LLC | 1,219 | $4.00K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 626 | $2.19K | 0.00% | +107+20.6% | Added |