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