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 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 4,415,867 | $13.6M | 0.00% | +510,534+13.1% | Added |
| Vanguard Capital Management LLC | 3,476,781 | $10.7M | 0.00% | +3,476,781 | New |
| Deerfield Management Company, L.P. (Series C) | 3,360,052 | $10.3M | 0.12% | 00.0% | Unchanged |
| Kanen Wealth Management LLC | 2,777,858 | $8.53M | 3.07% | −198,286−6.7% | Reduced |
| Josh Arnold Investment Consultant, LLC | 2,464,359 | $7.57M | 6.50% | +4,550+0.2% | Added |
| Balyasny Asset Management LLC | 1,826,370 | $5.61M | 0.01% | −692,067−27.5% | Reduced |
| Geode Capital Management, LLC | 1,757,847 | $5.40M | 0.00% | +187,393+11.9% | Added |
| Wexford Capital LP | 1,711,323 | $5.25M | 0.87% | +177,867+11.6% | Added |
| CenterBook Partners LP | 1,568,423 | $4.82M | 0.26% | −1,460,889−48.2% | Reduced |
| State Street Corp | 1,461,454 | $4.49M | 0.00% | +109,830+8.1% | Added |
| Goldman Sachs Group Inc | 1,351,899 | $4.15M | 0.00% | +781,475+137.0% | Added |
| B. Riley Financial, Inc. | 929,734 | $2.85M | 0.63% | +266,358+40.2% | Added |
| Renaissance Technologies LLC | 902,809 | $2.77M | 0.00% | +180,909+25.1% | Added |
| Vanguard Portfolio Management LLC | 862,839 | $2.65M | 0.00% | +862,839 | New |
| Ensign Peak Advisors, Inc | 626,852 | $1.92M | 0.00% | +626,852 | New |
| Citadel Advisors LLC | 608,267 | $1.87M | 0.00% | +608,267 | New |
| UBS Group AG | 574,652 | $1.76M | 0.00% | +286,966+99.7% | Added |
| Northern Trust Corp | 558,455 | $1.71M | 0.00% | +59,211+11.9% | Added |
| FourWorld Capital Management LLC | 499,196 | $1.53M | 0.87% | +116,496+30.4% | Added |
| Vanguard Fiduciary Trust Co | 483,060 | $1.48M | 0.00% | +483,060 | New |
| Dauntless Investment Group, LLC | 462,057 | $1.42M | 3.99% | +462,057 | New |
| Jane Street Group, LLC | 424,894 | $1.30M | 0.00% | −378,421−47.1% | Reduced |
| Arrowstreet Capital, Limited Partnership | 419,423 | $1.29M | 0.00% | +263,699+169.3% | Added |
| Marshall Wace, LLP | 342,265 | $1.05M | 0.00% | +161,965+89.8% | Added |
| JPMorgan Chase & Co | 370,177 | $1.05M | 0.00% | −16,601−4.3% | Reduced |
| Two Sigma Investments, LP | 307,754 | $944.8K | 0.00% | +45,704+17.4% | Added |
| Mount Lucas Management LP | 250,000 | $767.5K | 0.28% | 00.0% | Unchanged |
| Centiva Capital, LP | 224,245 | $688.4K | 0.03% | +224,245 | New |
| Charles Schwab Investment Management Inc | 214,915 | $659.8K | 0.00% | +6,650+3.2% | Added |
| Tiff Advisory Services Inc | 195,469 | $564.9K | 0.13% | −100−0.1% | Reduced |
| Morgan Stanley | 171,940 | $527.9K | 0.00% | −50,113−22.6% | Reduced |
| Bank of New York Mellon Corp | 162,442 | $498.7K | 0.00% | +23,604+17.0% | Added |
| Boothbay Fund Management, LLC | 137,792 | $423.0K | 0.01% | +52,562+61.7% | Added |
| Millennium Management LLC | 131,522 | $403.8K | 0.00% | −61,619−31.9% | Reduced |
| Cetera Investment Advisers | 128,195 | $393.6K | 0.00% | +103,908+427.8% | Added |
| Jump Financial, LLC | 116,430 | $357.4K | 0.01% | +91,151+360.6% | Added |
| T3 Companies, LLC | 111,900 | $343.5K | 0.47% | −89,200−44.4% | Reduced |
| State of Wyoming | 103,617 | $318.1K | 0.04% | −3,056−2.9% | Reduced |
| Kingswood Wealth Advisors, LLC | 103,200 | $316.8K | 0.02% | +4,500+4.6% | Added |
| Nuveen, LLC | 95,264 | $292.5K | 0.00% | +18,592+24.2% | Added |
| Private Advisor Group, LLC | 94,170 | $289.1K | 0.00% | +31,948+51.3% | Added |
| Susquehanna International Group, LLP | 92,869 | $285.1K | 0.00% | −202,281−68.5% | Reduced |
| XTX Topco Ltd | 90,346 | $277.4K | 0.00% | +43,824+94.2% | Added |
| HighTower Advisors, LLC | 83,919 | $257.6K | 0.00% | −1,932−2.3% | Reduced |
| Lee Financial Co | 81,362 | $249.8K | 0.04% | 00.0% | Unchanged |
| Aquatic Capital Management LLC | 78,468 | $240.9K | 0.01% | +48,880+165.2% | Added |
| Rhumbline Advisers | 77,845 | $239.0K | 0.00% | +3,260+4.4% | Added |
| Alliancebernstein L.P. | 61,600 | $219.3K | 0.00% | 00.0% | Unchanged |
| Fielder Capital Group LLC | 70,192 | $215.5K | 0.05% | 00.0% | Unchanged |
| WealthShield Partners, LLC | 70,154 | $215.4K | 0.02% | 00.0% | Unchanged |
| Bank of America Corp | 63,439 | $194.8K | 0.00% | +16,991+36.6% | Added |
| Engineers Gate Manager LP | 62,794 | $192.8K | 0.00% | +47,365+307.0% | Added |
| LPL Financial LLC | 61,065 | $187.5K | 0.00% | −209,820−77.5% | Reduced |
| Deutsche Bank AG | 55,922 | $171.7K | 0.00% | +8,074+16.9% | Added |
| ADAR1 Capital Management, LLC | 50,000 | $153.5K | 0.01% | +50,000 | New |
| FMR LLC | 49,531 | $152.1K | 0.00% | +48,039+3,219.8% | Added |
| Price T Rowe Associates Inc | 48,271 | $149.0K | 0.00% | +10,269+27.0% | Added |
| Innovative Asset Advisors Group, LLC | 47,250 | $145.1K | 0.08% | +47,250 | New |
| AQR Capital Management LLC | 44,519 | $136.7K | 0.00% | −3,553−7.4% | Reduced |
| Wells Fargo & Company | 40,423 | $124.1K | 0.00% | −43,178−51.6% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 37,383 | $114.8K | 0.00% | +5,717+18.1% | Added |
| Invesco Ltd. | 37,219 | $114.3K | 0.00% | −9,793−20.8% | Reduced |
| Graham Capital Management, L.P. | 33,792 | $103.7K | 0.00% | +33,792 | New |
| Caitong International Asset Management Co., Ltd | 33,280 | $102.2K | 0.02% | +10,814+48.1% | Added |
| Pekin Hardy Strauss, Inc. | 32,000 | $98.2K | 0.01% | +22,000+220.0% | Added |
| Holt Capital Advisors, L.L.C. dba Holt Capital Partners, L.P. | 29,534 | $90.7K | 0.01% | 00.0% | Unchanged |
| Vanguard Global Advisers, LLC | 28,874 | $88.6K | 0.00% | +28,874 | New |
| SRS Capital Advisors, Inc. | 28,706 | $88.1K | 0.00% | +28,706 | New |
| MetLife Investment Management | 27,790 | $85.3K | 0.00% | −12,665−31.3% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 27,627 | $84.8K | 0.00% | +12,241+79.6% | Added |
| Prudential Financial Inc | 26,525 | $81.4K | 0.00% | +11,760+79.6% | Added |
| Creative Planning | 26,212 | $80.5K | 0.00% | −52,421−66.7% | Reduced |
| ExodusPoint Capital Management, LP | 24,419 | $75.0K | 0.00% | −92,907−79.2% | Reduced |
| EntryPoint Capital, LLC | 23,852 | $73.2K | 0.02% | +5,396+29.2% | Added |
| Squarepoint Ops LLC | 23,831 | $73.2K | 0.00% | −37,933−61.4% | Reduced |
| Intech Investment Management LLC | 22,482 | $69.0K | 0.00% | +4,760+26.9% | Added |
| Royal Bank of Canada | 22,257 | $68.0K | 0.00% | +17,151+335.9% | Added |
| Manufacturers Life Insurance Company, The | 21,894 | $67.2K | 0.00% | +63+0.3% | Added |
| Schonfeld Strategic Advisors LLC | 21,234 | $65.2K | 0.00% | +21,234 | New |
| BNP Paribas Arbitrage, SA | 16,928 | $52.0K | 0.00% | +1,950+13.0% | Added |
| R Squared Ltd | 16,353 | $50.2K | 0.03% | +4,891+42.7% | Added |
| VestGen Advisors, LLC | 12,000 | $48.2K | 0.00% | +12,000 | New |
| Barclays PLC | 15,176 | $46.6K | 0.00% | −91,276−85.7% | Reduced |
| Granite Investment Partners, LLC | 14,831 | $45.5K | 0.00% | +14,831 | New |
| Nine Masts Capital Ltd | 14,018 | $43.0K | 0.01% | +14,018 | New |
| SG Americas Securities, LLC | 14,098 | $43.0K | 0.00% | −2,039−12.6% | Reduced |
| Virtu Financial LLC | 13,213 | $41.0K | 0.00% | +13,213 | New |
| Voya Investment Management LLC | 13,333 | $40.9K | 0.00% | +1,487+12.6% | Added |
| ProShare Advisors LLC | 11,561 | $35.5K | 0.00% | −908−7.3% | Reduced |
| AMG National Trust Bank | 10,000 | $30.7K | 0.00% | 00.0% | Unchanged |
| Quantbot Technologies LP | 9,455 | $29.0K | 0.00% | +9,455 | New |
| Group One Trading, L.P. | 9,038 | $27.7K | 0.00% | −53,102−85.5% | Reduced |
| Tower Research Capital LLC (TRC) | 7,314 | $22.5K | 0.00% | +1,967+36.8% | Added |
| Legal & General Group Plc | 6,520 | $20.0K | 0.00% | −1,204−15.6% | Reduced |
| Ameritas Investment Partners, Inc. | 6,026 | $18.5K | 0.00% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 5,600 | $17.2K | 0.00% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 4,992 | $15.3K | 0.00% | +61+1.2% | Added |
| California State Teachers Retirement System | 4,384 | $13.5K | 0.00% | +182+4.3% | Added |
| Citigroup Inc | 4,182 | $12.8K | 0.00% | +2,431+138.8% | Added |
| Advisor Group Holdings, Inc. | 3,083 | $9.46K | 0.00% | −3,919−56.0% | Reduced |