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, Q2 2025
Institutional positions in Starling Oncology, Inc. as of Jun 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
- 79
- +36 vs. Q1 2025
- Shares held
- 31.9M
- +14.9M (+87.3%) vs. Q1 2025
- Total value
- $65.5M
- +$46.0M (+236.8%) vs. Q1 2025
- New holders
- 42
- 24 more added
- Sold out
- 6
- 4 more reduced
Compare with Q1 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, Q2 2025
Shares, value and share of portfolio for each institution holding Starling Oncology, Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 4,280,887 | $8.78M | 0.00% | +2,530,173+144.5% | Added |
| Tiff Advisory Services Inc | 3,634,465 | $7.45M | 1.76% | +655,324+22.0% | Added |
| Deerfield Management Company, L.P. (Series C) | 3,360,052 | $6.89M | 0.13% | 00.0% | Unchanged |
| BlackRock, Inc. | 3,306,904 | $6.78M | 0.00% | +3,044,554+1,160.5% | Added |
| Balyasny Asset Management LLC | 2,518,337 | $5.16M | 0.01% | +371,005+17.3% | Added |
| Josh Arnold Investment Consultant, LLC | 2,446,550 | $5.02M | 4.35% | +457,650+23.0% | Added |
| Marshall Wace, LLP | 1,476,946 | $3.03M | 0.00% | +1,476,946 | New |
| Geode Capital Management, LLC | 1,279,443 | $2.62M | 0.00% | +893,696+231.7% | Added |
| Wexford Capital LP | 1,118,679 | $2.29M | 0.64% | +1,118,679 | New |
| CenterBook Partners LP | 715,899 | $1.47M | 0.08% | +715,899 | New |
| State Street Corp | 646,257 | $1.32M | 0.00% | +544,957+538.0% | Added |
| B. Riley Financial, Inc. | 462,000 | $947.1K | 1.06% | +312,000+208.0% | Added |
| Renaissance Technologies LLC | 457,500 | $937.9K | 0.00% | +209,900+84.8% | Added |
| UBS Group AG | 420,373 | $861.8K | 0.00% | +410,296+4,071.6% | Added |
| Northern Trust Corp | 411,357 | $843.3K | 0.00% | +334,364+434.3% | Added |
| Millennium Management LLC | 405,009 | $830.3K | 0.00% | +405,009 | New |
| Massar Capital Management, LP | 400,000 | $820.0K | 0.62% | +300,000+300.0% | Added |
| FourWorld Capital Management LLC | 391,650 | $802.9K | 0.58% | +134,650+52.4% | Added |
| FreeGulliver LLC | 343,800 | $704.8K | 0.32% | −200,561−36.8% | Reduced |
| Two Sigma Investments, LP | 278,165 | $570.2K | 0.00% | +278,165 | New |
| Manatuck Hill Partners, LLC | 249,800 | $512.1K | 0.19% | −100,200−28.6% | Reduced |
| Bank of New York Mellon Corp | 248,646 | $509.7K | 0.00% | +123,505+98.7% | Added |
| Portolan Capital Management, LLC | 221,512 | $454.1K | 0.03% | +221,512 | New |
| EAM Investors, LLC | 195,837 | $401.5K | 0.06% | +195,837 | New |
| Morgan Stanley | 175,373 | $359.5K | 0.00% | +144,885+475.2% | Added |
| Goldman Sachs Group Inc | 154,632 | $317.0K | 0.00% | +39,492+34.3% | Added |
| Charles Schwab Investment Management Inc | 147,534 | $302.4K | 0.00% | +147,534 | New |
| Verition Fund Management LLC | 139,763 | $286.5K | 0.00% | +139,763 | New |
| Panagora Asset Management Inc | 126,985 | $260.3K | 0.00% | +126,985 | New |
| Citizens Financial Group Inc | 119,000 | $243.9K | 0.00% | +56,300+89.8% | Added |
| Susquehanna International Group, LLP | 113,676 | $233.0K | 0.00% | +91,288+407.8% | Added |
| Barclays PLC | 103,670 | $212.5K | 0.00% | +103,670 | New |
| Saba Capital Management, L.P. | 94,264 | $193.2K | 0.01% | 00.0% | Unchanged |
| Graham Capital Management, L.P. | 86,206 | $176.7K | 0.01% | +86,206 | New |
| Rhumbline Advisers | 85,231 | $174.7K | 0.00% | +85,231 | New |
| Lee Financial Co | 81,362 | $166.8K | 0.02% | 00.0% | Unchanged |
| HighTower Advisors, LLC | 81,362 | $166.8K | 0.00% | 00.0% | Unchanged |
| Quadrature Capital Ltd | 79,753 | $163.9K | 0.00% | +79,753 | New |
| Mount Lucas Management LP | 77,000 | $157.8K | 0.08% | +77,000 | New |
| Nuveen, LLC | 76,672 | $157.2K | 0.00% | +76,672 | New |
| National Bank of Canada | 76,013 | $155.8K | 0.00% | +76,013 | New |
| Fielder Capital Group LLC | 70,192 | $143.9K | 0.04% | 00.0% | Unchanged |
| WealthShield Partners, LLC | 70,154 | $143.8K | 0.02% | 00.0% | Unchanged |
| Kingswood Wealth Advisors, LLC | 64,400 | $132.0K | 0.01% | +64,400 | New |
| XTX Topco Ltd | 49,443 | $101.4K | 0.00% | −6,255−11.2% | Reduced |
| New York State Common Retirement Fund | 44,700 | $91.6K | 0.00% | +44,700 | New |
| MetLife Investment Management | 39,945 | $81.9K | 0.00% | +39,945 | New |
| Invesco Ltd. | 38,708 | $79.4K | 0.00% | +38,708 | New |
| Alliancebernstein L.P. | 38,000 | $77.9K | 0.00% | +38,000 | New |
| Cubist Systematic Strategies, LLC | 34,697 | $71.1K | 0.00% | +34,697 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 32,260 | $66.1K | 0.00% | +32,260 | New |
| Royal Bank of Canada | 32,144 | $66.0K | 0.00% | +32,144 | New |
| Wells Fargo & Company | 30,504 | $62.5K | 0.00% | +30,504 | New |
| Price T Rowe Associates Inc | 29,764 | $62.0K | 0.00% | +29,764 | New |
| Intech Investment Management LLC | 28,614 | $58.7K | 0.00% | +28,614 | New |
| JPMorgan Chase & Co | 27,935 | $57.3K | 0.00% | +27,881+51,631.5% | Added |
| Bank of America Corp | 25,808 | $52.9K | 0.00% | +22,875+779.9% | Added |
| Citigroup Inc | 20,960 | $43.0K | 0.00% | +20,957+698,566.7% | Added |
| Manufacturers Life Insurance Company, The | 20,891 | $42.8K | 0.00% | +20,891 | New |
| State of Wyoming | 18,048 | $37.0K | 0.00% | +18,048 | New |
| Cetera Investment Advisers | 17,545 | $36.0K | 0.00% | +4,545+35.0% | Added |
| Voya Investment Management LLC | 16,991 | $34.8K | 0.00% | +16,991 | New |
| Police & Firemen's Retirement System of New Jersey | 15,386 | $31.5K | 0.00% | +15,386 | New |
| Hudson Bay Capital Management LP | 15,200 | $31.2K | 0.00% | 00.0% | Unchanged |
| ProShare Advisors LLC | 12,104 | $24.8K | 0.00% | +12,104 | New |
| AMG National Trust Bank | 10,000 | $20.5K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 7,649 | $15.7K | 0.00% | −1,894−19.8% | Reduced |
| Legal & General Group Plc | 6,576 | $13.5K | 0.00% | +6,576 | New |
| Ameritas Investment Partners, Inc. | 6,026 | $12.4K | 0.00% | +6,026 | New |
| BNP Paribas Arbitrage, SA | 5,028 | $10.3K | 0.00% | +5,023+100,460.0% | Added |
| FNY Investment Advisers, LLC | 4,000 | $8.00K | 0.00% | +4,000 | New |
| California State Teachers Retirement System | 3,683 | $7.55K | 0.00% | +3,683 | New |
| SBI Securities Co., Ltd. | 3,000 | $6.15K | 0.00% | +2,800+1,400.0% | Added |
| Raymond James Financial Inc | 2,331 | $4.78K | 0.00% | +2,331 | New |
| Amalgamated Bank | 2,016 | $4.00K | 0.00% | +2,016 | New |
| Deutsche Bank AG | 1,635 | $3.35K | 0.00% | +1,635 | New |
| Capital Advisors, Ltd. LLC | 1,219 | $2.00K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 519 | $1.06K | 0.00% | +519 | New |
| Sterling Capital Management LLC | 143 | $293 | 0.00% | +143 | New |
| Cincinnati Insurance Co | 0 | $0 | 0.00% | −1,240,795−100.0% | Sold out |
| Quattro Financial Advisors LLC | 0 | $0 | 0.00% | −162,724−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −28,529−100.0% | Sold out |
| Jain Global LLC | 0 | $0 | 0.00% | −15,900−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −16,658−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −14,713−100.0% | Sold out |