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, Q1 2025
Institutional positions in Starling Oncology, Inc. as of Mar 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
- 43
- +12 vs. Q4 2024
- Shares held
- 17.1M
- +2.34M (+15.9%) vs. Q4 2024
- Total value
- $19.4M
- +$14.8M (+321.8%) vs. Q4 2024
- New holders
- 15
- 8 more added
- Sold out
- 3
- 7 more reduced
Compare with Q4 2024: 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, Q1 2025
Shares, value and share of portfolio for each institution holding Starling Oncology, Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Deerfield Management Company, L.P. (Series C) | 3,360,052 | $3.83M | 0.08% | 00.0% | Unchanged |
| Tiff Advisory Services Inc | 2,979,141 | $3.40M | 0.81% | 00.0% | Unchanged |
| Balyasny Asset Management LLC | 2,147,332 | $2.45M | 0.01% | +421,770+24.4% | Added |
| Josh Arnold Investment Consultant, LLC | 1,988,900 | $2.27M | 1.89% | +1,988,900 | New |
| Vanguard Group Inc | 1,750,714 | $2.00M | 0.00% | −3,672−0.2% | Reduced |
| Cincinnati Insurance Co | 1,240,795 | $1.41M | 0.02% | −793,250−39.0% | Reduced |
| FreeGulliver LLC | 544,361 | $620.6K | 0.31% | −56,386−9.4% | Reduced |
| Geode Capital Management, LLC | 385,747 | $439.9K | 0.00% | +38,400+11.1% | Added |
| Manatuck Hill Partners, LLC | 350,000 | $399.0K | 0.18% | +350,000 | New |
| BlackRock, Inc. | 262,350 | $299.1K | 0.00% | +8,759+3.5% | Added |
| FourWorld Capital Management LLC | 257,000 | $293.0K | 0.20% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 247,600 | $282.3K | 0.00% | +65,600+36.0% | Added |
| Quattro Financial Advisors LLC | 162,724 | $185.5K | 0.06% | 00.0% | Unchanged |
| B. Riley Financial, Inc. | 150,000 | $171.0K | 0.21% | +150,000 | New |
| Bank of New York Mellon Corp | 125,141 | $142.7K | 0.00% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 115,140 | $131.3K | 0.00% | +115,140 | New |
| State Street Corp | 101,300 | $115.5K | 0.00% | 00.0% | Unchanged |
| Massar Capital Management, LP | 100,000 | $114.0K | 0.14% | +100,000 | New |
| Saba Capital Management, L.P. | 94,264 | $107.5K | 0.00% | 00.0% | Unchanged |
| Lee Financial Co | 81,362 | $92.8K | 0.01% | 00.0% | Unchanged |
| HighTower Advisors, LLC | 81,362 | $92.8K | 0.00% | 00.0% | Unchanged |
| Northern Trust Corp | 76,993 | $87.8K | 0.00% | +12,091+18.6% | Added |
| Fielder Capital Group LLC | 70,192 | $80.0K | 0.02% | 00.0% | Unchanged |
| WealthShield Partners, LLC | 70,154 | $80.0K | 0.01% | +70,154 | New |
| Citizens Financial Group Inc | 62,700 | $71.5K | 0.00% | +62,700 | New |
| XTX Topco Ltd | 55,698 | $63.5K | 0.00% | +18,448+49.5% | Added |
| Morgan Stanley | 30,488 | $34.8K | 0.00% | +96+0.3% | Added |
| Gsa Capital Partners LLP | 28,529 | $33.0K | 0.00% | +28,529 | New |
| Susquehanna International Group, LLP | 22,388 | $25.5K | 0.00% | +22,388 | New |
| Jain Global LLC | 15,900 | $18.1K | 0.00% | +15,900 | New |
| HRT Financial LP | 16,658 | $18.0K | 0.00% | +16,658 | New |
| Hudson Bay Capital Management LP | 15,200 | $17.3K | 0.00% | +15,200 | New |
| Two Sigma Securities, LLC | 14,713 | $16.8K | 0.00% | +14,713 | New |
| Cetera Investment Advisers | 13,000 | $14.8K | 0.00% | +13,000 | New |
| UBS Group AG | 10,077 | $11.5K | 0.00% | −51,884−83.7% | Reduced |
| AMG National Trust Bank | 10,000 | $11.4K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 9,543 | $10.9K | 0.00% | −3,997−29.5% | Reduced |
| Bank of America Corp | 2,933 | $3.34K | 0.00% | +15+0.5% | Added |
| Capital Advisors, Ltd. LLC | 1,219 | $1.00K | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 200 | $228 | 0.00% | +200 | New |
| JPMorgan Chase & Co | 54 | $62 | 0.00% | −112−67.5% | Reduced |
| BNP Paribas Arbitrage, SA | 5 | $6 | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 3 | $3 | 0.00% | −631−99.5% | Reduced |
| Virtu Financial LLC | 0 | $0 | 0.00% | −131,759−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −127,659−100.0% | Sold out |
| Scientech Research LLC | 0 | $0 | 0.00% | −21,198−100.0% | Sold out |