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 2026
Institutional positions in Starling Oncology, Inc. as of Mar 31, 2026. 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
- 115
- −1 vs. Q4 2025
- Shares held
- 38.8M
- +5.03M (+14.9%) vs. Q4 2025
- Total value
- $118.9M
- −$1.29M (−1.1%) vs. Q4 2025
- New holders
- 25
- 51 more added
- Sold out
- 26
- 27 more reduced
1 institution that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Starling Oncology, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Keating Financial Advisory Services, Inc. | 1 | $3 | 0.00% | +1 | New |
| Farther Finance Advisors, LLC | 7 | $22 | 0.00% | +7 | New |
| EverSource Wealth Advisors, LLC | 13 | $40 | 0.00% | +13 | New |
| Root Financial Partners, LLC | 51 | $157 | 0.00% | +51 | New |
| GAMMA Investing LLC | 63 | $193 | 0.00% | −97−60.6% | Reduced |
| US Bancorp | 96 | $295 | 0.00% | +96 | New |
| Allworth Financial LP | 108 | $332 | 0.00% | +50+86.2% | Added |
| Twin Peaks Wealth Advisors, LLC | 118 | $362 | 0.00% | +118 | New |
| IFP Advisors, Inc | 500 | $1.53K | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 518 | $1.59K | 0.00% | +128+32.8% | Added |
| Jones Financial Companies LLLP | 578 | $1.71K | 0.00% | +578 | New |
| The PNC Financial Services Group, Inc. | 615 | $1.89K | 0.00% | +453+279.6% | Added |
| Bessemer Group Inc | 1,024 | $4.00K | 0.00% | 00.0% | Unchanged |
| Capital Advisors, Ltd. LLC | 1,219 | $4.00K | 0.00% | +1,216+40,533.3% | Added |
| CWM, LLC | 1,992 | $6.12K | 0.00% | +1,989+66,300.0% | Added |
| Advisor Group Holdings, Inc. | 3,083 | $9.46K | 0.00% | −3,919−56.0% | Reduced |
| Citigroup Inc | 4,182 | $12.8K | 0.00% | +2,431+138.8% | Added |
| California State Teachers Retirement System | 4,384 | $13.5K | 0.00% | +182+4.3% | Added |
| Russell Investments Group, Ltd. | 4,992 | $15.3K | 0.00% | +61+1.2% | Added |
| New York State Common Retirement Fund | 5,600 | $17.2K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 6,026 | $18.5K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 6,520 | $20.0K | 0.00% | −1,204−15.6% | Reduced |
| Tower Research Capital LLC (TRC) | 7,314 | $22.5K | 0.00% | +1,967+36.8% | Added |
| Group One Trading, L.P. | 9,038 | $27.7K | 0.00% | −53,102−85.5% | Reduced |
| Quantbot Technologies LP | 9,455 | $29.0K | 0.00% | +9,455 | New |
| AMG National Trust Bank | 10,000 | $30.7K | 0.00% | 00.0% | Unchanged |
| ProShare Advisors LLC | 11,561 | $35.5K | 0.00% | −908−7.3% | Reduced |
| Voya Investment Management LLC | 13,333 | $40.9K | 0.00% | +1,487+12.6% | Added |
| Virtu Financial LLC | 13,213 | $41.0K | 0.00% | +13,213 | New |
| SG Americas Securities, LLC | 14,098 | $43.0K | 0.00% | −2,039−12.6% | Reduced |
| Nine Masts Capital Ltd | 14,018 | $43.0K | 0.01% | +14,018 | New |
| Granite Investment Partners, LLC | 14,831 | $45.5K | 0.00% | +14,831 | New |
| Barclays PLC | 15,176 | $46.6K | 0.00% | −91,276−85.7% | Reduced |
| VestGen Advisors, LLC | 12,000 | $48.2K | 0.00% | +12,000 | New |
| R Squared Ltd | 16,353 | $50.2K | 0.03% | +4,891+42.7% | Added |
| BNP Paribas Arbitrage, SA | 16,928 | $52.0K | 0.00% | +1,950+13.0% | Added |
| Schonfeld Strategic Advisors LLC | 21,234 | $65.2K | 0.00% | +21,234 | New |
| Manufacturers Life Insurance Company, The | 21,894 | $67.2K | 0.00% | +63+0.3% | Added |
| Royal Bank of Canada | 22,257 | $68.0K | 0.00% | +17,151+335.9% | Added |
| Intech Investment Management LLC | 22,482 | $69.0K | 0.00% | +4,760+26.9% | Added |
| Squarepoint Ops LLC | 23,831 | $73.2K | 0.00% | −37,933−61.4% | Reduced |
| EntryPoint Capital, LLC | 23,852 | $73.2K | 0.02% | +5,396+29.2% | Added |
| ExodusPoint Capital Management, LP | 24,419 | $75.0K | 0.00% | −92,907−79.2% | Reduced |
| Creative Planning | 26,212 | $80.5K | 0.00% | −52,421−66.7% | Reduced |
| Prudential Financial Inc | 26,525 | $81.4K | 0.00% | +11,760+79.6% | Added |
| Police & Firemen's Retirement System of New Jersey | 27,627 | $84.8K | 0.00% | +12,241+79.6% | Added |
| MetLife Investment Management | 27,790 | $85.3K | 0.00% | −12,665−31.3% | Reduced |
| SRS Capital Advisors, Inc. | 28,706 | $88.1K | 0.00% | +28,706 | New |
| Vanguard Global Advisers, LLC | 28,874 | $88.6K | 0.00% | +28,874 | New |
| Holt Capital Advisors, L.L.C. dba Holt Capital Partners, L.P. | 29,534 | $90.7K | 0.01% | 00.0% | Unchanged |
| Pekin Hardy Strauss, Inc. | 32,000 | $98.2K | 0.01% | +22,000+220.0% | Added |
| Caitong International Asset Management Co., Ltd | 33,280 | $102.2K | 0.02% | +10,814+48.1% | Added |
| Graham Capital Management, L.P. | 33,792 | $103.7K | 0.00% | +33,792 | New |
| Invesco Ltd. | 37,219 | $114.3K | 0.00% | −9,793−20.8% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 37,383 | $114.8K | 0.00% | +5,717+18.1% | Added |
| Wells Fargo & Company | 40,423 | $124.1K | 0.00% | −43,178−51.6% | Reduced |
| AQR Capital Management LLC | 44,519 | $136.7K | 0.00% | −3,553−7.4% | Reduced |
| Innovative Asset Advisors Group, LLC | 47,250 | $145.1K | 0.08% | +47,250 | New |
| Price T Rowe Associates Inc | 48,271 | $149.0K | 0.00% | +10,269+27.0% | Added |
| FMR LLC | 49,531 | $152.1K | 0.00% | +48,039+3,219.8% | Added |
| ADAR1 Capital Management, LLC | 50,000 | $153.5K | 0.01% | +50,000 | New |
| Deutsche Bank AG | 55,922 | $171.7K | 0.00% | +8,074+16.9% | Added |
| LPL Financial LLC | 61,065 | $187.5K | 0.00% | −209,820−77.5% | Reduced |
| Engineers Gate Manager LP | 62,794 | $192.8K | 0.00% | +47,365+307.0% | Added |
| Bank of America Corp | 63,439 | $194.8K | 0.00% | +16,991+36.6% | Added |
| WealthShield Partners, LLC | 70,154 | $215.4K | 0.02% | 00.0% | Unchanged |
| Fielder Capital Group LLC | 70,192 | $215.5K | 0.05% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 61,600 | $219.3K | 0.00% | 00.0% | Unchanged |
| Rhumbline Advisers | 77,845 | $239.0K | 0.00% | +3,260+4.4% | Added |
| Aquatic Capital Management LLC | 78,468 | $240.9K | 0.01% | +48,880+165.2% | Added |
| Lee Financial Co | 81,362 | $249.8K | 0.04% | 00.0% | Unchanged |
| HighTower Advisors, LLC | 83,919 | $257.6K | 0.00% | −1,932−2.3% | Reduced |
| XTX Topco Ltd | 90,346 | $277.4K | 0.00% | +43,824+94.2% | Added |
| Susquehanna International Group, LLP | 92,869 | $285.1K | 0.00% | −202,281−68.5% | Reduced |
| Private Advisor Group, LLC | 94,170 | $289.1K | 0.00% | +31,948+51.3% | Added |
| Nuveen, LLC | 95,264 | $292.5K | 0.00% | +18,592+24.2% | Added |
| Kingswood Wealth Advisors, LLC | 103,200 | $316.8K | 0.02% | +4,500+4.6% | Added |
| State of Wyoming | 103,617 | $318.1K | 0.04% | −3,056−2.9% | Reduced |
| T3 Companies, LLC | 111,900 | $343.5K | 0.47% | −89,200−44.4% | Reduced |
| Jump Financial, LLC | 116,430 | $357.4K | 0.01% | +91,151+360.6% | Added |
| Cetera Investment Advisers | 128,195 | $393.6K | 0.00% | +103,908+427.8% | Added |
| Millennium Management LLC | 131,522 | $403.8K | 0.00% | −61,619−31.9% | Reduced |
| Boothbay Fund Management, LLC | 137,792 | $423.0K | 0.01% | +52,562+61.7% | Added |
| Bank of New York Mellon Corp | 162,442 | $498.7K | 0.00% | +23,604+17.0% | Added |
| Morgan Stanley | 171,940 | $527.9K | 0.00% | −50,113−22.6% | Reduced |
| Tiff Advisory Services Inc | 195,469 | $564.9K | 0.13% | −100−0.1% | Reduced |
| Charles Schwab Investment Management Inc | 214,915 | $659.8K | 0.00% | +6,650+3.2% | Added |
| Centiva Capital, LP | 224,245 | $688.4K | 0.03% | +224,245 | New |
| Mount Lucas Management LP | 250,000 | $767.5K | 0.28% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 307,754 | $944.8K | 0.00% | +45,704+17.4% | Added |
| JPMorgan Chase & Co | 370,177 | $1.05M | 0.00% | −16,601−4.3% | Reduced |
| Marshall Wace, LLP | 342,265 | $1.05M | 0.00% | +161,965+89.8% | Added |
| Arrowstreet Capital, Limited Partnership | 419,423 | $1.29M | 0.00% | +263,699+169.3% | Added |
| Jane Street Group, LLC | 424,894 | $1.30M | 0.00% | −378,421−47.1% | Reduced |
| Dauntless Investment Group, LLC | 462,057 | $1.42M | 3.99% | +462,057 | New |
| Vanguard Fiduciary Trust Co | 483,060 | $1.48M | 0.00% | +483,060 | New |
| FourWorld Capital Management LLC | 499,196 | $1.53M | 0.87% | +116,496+30.4% | Added |
| Northern Trust Corp | 558,455 | $1.71M | 0.00% | +59,211+11.9% | Added |
| UBS Group AG | 574,652 | $1.76M | 0.00% | +286,966+99.7% | Added |
| Citadel Advisors LLC | 608,267 | $1.87M | 0.00% | +608,267 | New |