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 2026
Institutional positions in Starling Oncology, Inc. as of Jun 30, 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
- 119
- +5 vs. Q1 2026
- Shares held
- 40.1M
- +1.33M (+3.4%) vs. Q1 2026
- Total value
- $217.6M
- +$98.7M (+83.0%) vs. Q1 2026
- New holders
- 26
- 51 more added
- Sold out
- 21
- 25 more reduced
1 institution that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 2026
Shares, value and share of portfolio for each institution holding Starling Oncology, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 4,749,030 | $25.8M | 0.00% | +333,163+7.5% | Added |
| Deerfield Management Company, L.P. (Series C) | 3,360,052 | $18.2M | 0.19% | 00.0% | Unchanged |
| Vanguard Capital Management LLC | 3,265,531 | $17.7M | 0.00% | −211,250−6.1% | Reduced |
| Josh Arnold Investment Consultant, LLC | 2,464,359 | $13.4M | 8.42% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 1,899,998 | $10.3M | 0.00% | +142,151+8.1% | Added |
| Goldman Sachs Group Inc | 1,735,337 | $9.42M | 0.00% | +383,438+28.4% | Added |
| Wexford Capital LP | 1,711,323 | $9.29M | 1.27% | 00.0% | Unchanged |
| State Street Corp | 1,552,917 | $8.43M | 0.00% | +91,463+6.3% | Added |
| Nuveen, LLC | 1,408,720 | $7.65M | 0.00% | +1,313,456+1,378.8% | Added |
| Renaissance Technologies LLC | 1,365,913 | $7.42M | 0.01% | +463,104+51.3% | Added |
| CenterBook Partners LP | 1,241,660 | $6.74M | 0.33% | −326,763−20.8% | Reduced |
| Marshall Wace, LLP | 1,222,498 | $6.64M | 0.01% | +880,233+257.2% | Added |
| Vanguard Portfolio Management LLC | 1,007,037 | $5.47M | 0.00% | +144,198+16.7% | Added |
| Citadel Advisors LLC | 894,101 | $4.85M | 0.00% | +285,834+47.0% | Added |
| Jane Street Group, LLC | 852,163 | $4.63M | 0.00% | +427,269+100.6% | Added |
| B. Riley Financial, Inc. | 742,593 | $4.03M | 0.93% | −187,141−20.1% | Reduced |
| Arrowstreet Capital, Limited Partnership | 710,888 | $3.86M | 0.00% | +291,465+69.5% | Added |
| Two Sigma Investments, LP | 668,839 | $3.63M | 0.00% | +361,085+117.3% | Added |
| Northern Trust Corp | 591,534 | $3.21M | 0.00% | +33,079+5.9% | Added |
| Acadian Asset Management LLC | 567,001 | $3.07M | 0.00% | +567,001 | New |
| Vanguard Fiduciary Trust Co | 502,049 | $2.73M | 0.00% | +18,989+3.9% | Added |
| FourWorld Capital Management LLC | 499,196 | $2.71M | 3.46% | 00.0% | Unchanged |
| Manatuck Hill Partners, LLC | 450,000 | $2.44M | 0.81% | +450,000 | New |
| Walleye Capital LLC | 445,832 | $2.42M | 0.01% | +445,832 | New |
| CWM Advisors, LLC | 424,008 | $2.30M | 0.09% | +424,008 | New |
| JPMorgan Chase & Co | 409,348 | $2.29M | 0.00% | +39,171+10.6% | Added |
| Bank of America Corp | 391,997 | $2.13M | 0.00% | +328,558+517.9% | Added |
| Invesco Ltd. | 342,166 | $1.86M | 0.00% | +304,947+819.3% | Added |
| Formula Growth Ltd | 300,000 | $1.63M | 0.57% | +300,000 | New |
| SG Americas Securities, LLC | 263,147 | $1.43M | 0.00% | +249,049+1,766.6% | Added |
| Mount Lucas Management LP | 250,000 | $1.36M | 0.48% | 00.0% | Unchanged |
| Boothbay Fund Management, LLC | 233,379 | $1.27M | 0.02% | +95,587+69.4% | Added |
| Charles Schwab Investment Management Inc | 226,007 | $1.23M | 0.00% | +11,092+5.2% | Added |
| EAM Investors, LLC | 188,467 | $1.02M | 0.09% | +188,467 | New |
| Bank of New York Mellon Corp | 176,949 | $960.8K | 0.00% | +14,507+8.9% | Added |
| Dauntless Investment Group, LLC | 163,570 | $888.2K | 1.54% | −298,487−64.6% | Reduced |
| UBS Group AG | 153,273 | $832.3K | 0.00% | −421,379−73.3% | Reduced |
| Morgan Stanley | 135,085 | $733.5K | 0.00% | −36,855−21.4% | Reduced |
| Kingswood Wealth Advisors, LLC | 121,900 | $661.9K | 0.03% | +18,700+18.1% | Added |
| Creative Planning | 109,925 | $596.9K | 0.00% | +83,713+319.4% | Added |
| Panoramic Capital, LLC | 100,000 | $543.0K | 0.23% | +100,000 | New |
| Gsa Capital Partners LLP | 98,727 | $536.0K | 0.03% | +98,727 | New |
| Millennium Management LLC | 96,875 | $526.0K | 0.00% | −34,647−26.3% | Reduced |
| Cetera Investment Advisers | 89,415 | $485.5K | 0.00% | −38,780−30.3% | Reduced |
| HighTower Advisors, LLC | 85,838 | $466.1K | 0.00% | +1,919+2.3% | Added |
| White Pine Capital LLC | 85,618 | $464.9K | 0.11% | +85,618 | New |
| T3 Companies, LLC | 80,000 | $434.4K | 0.50% | −31,900−28.5% | Reduced |
| Wells Fargo & Company | 78,510 | $426.3K | 0.00% | +38,087+94.2% | Added |
| FMR LLC | 78,107 | $424.1K | 0.00% | +28,576+57.7% | Added |
| Deutsche Bank AG | 75,937 | $412.3K | 0.00% | +20,015+35.8% | Added |
| State of Wyoming | 72,882 | $395.7K | 0.04% | −30,735−29.7% | Reduced |
| Squarepoint Ops LLC | 72,862 | $395.6K | 0.00% | +49,031+205.7% | Added |
| Fielder Capital Group LLC | 70,192 | $381.1K | 0.08% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 61,750 | $336.0K | 0.00% | +13,479+27.9% | Added |
| Allspring Global Investments Holdings, LLC | 51,282 | $278.5K | 0.00% | +51,282 | New |
| AQR Capital Management LLC | 48,597 | $263.9K | 0.00% | +4,078+9.2% | Added |
| MetLife Investment Management | 46,402 | $252.0K | 0.00% | +18,612+67.0% | Added |
| Private Advisor Group, LLC | 45,850 | $249.0K | 0.00% | −48,320−51.3% | Reduced |
| EntryPoint Capital, LLC | 44,972 | $244.2K | 0.06% | +21,120+88.5% | Added |
| Alliancebernstein L.P. | 71,400 | $219.2K | 0.00% | +9,800+15.9% | Added |
| Innovative Asset Advisors Group, LLC | 36,000 | $195.5K | 0.09% | −11,250−23.8% | Reduced |
| Citigroup Inc | 35,747 | $194.1K | 0.00% | +31,565+754.8% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 35,111 | $190.7K | 0.00% | −2,272−6.1% | Reduced |
| Los Angeles Capital Management LLC | 33,935 | $184.3K | 0.00% | +33,935 | New |
| Barclays PLC | 33,929 | $184.2K | 0.00% | +18,753+123.6% | Added |
| ExodusPoint Capital Management, LP | 33,644 | $182.7K | 0.00% | +9,225+37.8% | Added |
| Pekin Hardy Strauss, Inc. | 32,000 | $173.8K | 0.02% | 00.0% | Unchanged |
| Holt Capital Advisors, L.L.C. dba Holt Capital Partners, L.P. | 29,534 | $160.4K | 0.02% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 29,213 | $158.6K | 0.00% | +507+1.8% | Added |
| Vanguard Global Advisers, LLC | 28,874 | $156.8K | 0.00% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 27,627 | $150.0K | 0.00% | 00.0% | Unchanged |
| Prudential Financial Inc | 26,825 | $145.7K | 0.00% | +300+1.1% | Added |
| Globeflex Capital L P | 26,111 | $141.8K | 0.02% | +26,111 | New |
| LPL Financial LLC | 24,892 | $135.2K | 0.00% | −36,173−59.2% | Reduced |
| Royal Bank of Canada | 23,327 | $128.0K | 0.00% | +1,070+4.8% | Added |
| Axq Capital, LP | 22,460 | $122.0K | 0.01% | +22,460 | New |
| Franklin Resources Inc | 22,177 | $120.4K | 0.00% | +22,177 | New |
| BNP Paribas Arbitrage, SA | 21,461 | $116.5K | 0.00% | +4,533+26.8% | Added |
| Intech Investment Management LLC | 20,531 | $111.5K | 0.00% | −1,951−8.7% | Reduced |
| Manufacturers Life Insurance Company, The | 20,530 | $111.5K | 0.00% | −1,364−6.2% | Reduced |
| Russell Investments Group, Ltd. | 20,260 | $110.0K | 0.00% | +15,268+305.8% | Added |
| Winton Group Ltd | 18,800 | $102.1K | 0.00% | +18,800 | New |
| Granite Investment Partners, LLC | 18,148 | $98.5K | 0.01% | +3,317+22.4% | Added |
| New York State Common Retirement Fund | 17,900 | $97.2K | 0.00% | +12,300+219.6% | Added |
| Voya Investment Management LLC | 15,145 | $82.2K | 0.00% | +1,812+13.6% | Added |
| Blackhawk Capital Partners LLC. | 15,000 | $81.5K | 0.03% | +15,000 | New |
| Fermata Advisors, LLC | 12,800 | $69.5K | 0.01% | +12,800 | New |
| FreeGulliver LLC | 12,350 | $67.1K | 0.02% | +12,350 | New |
| Engineers Gate Manager LP | 12,342 | $67.0K | 0.00% | −50,452−80.3% | Reduced |
| Jump Financial, LLC | 12,300 | $66.8K | 0.00% | −104,130−89.4% | Reduced |
| Advisor Group Holdings, Inc. | 11,768 | $63.9K | 0.00% | +8,685+281.7% | Added |
| R Squared Ltd | 11,482 | $62.3K | 0.03% | −4,871−29.8% | Reduced |
| Wealthspire Advisors, LLC | 11,400 | $61.9K | 0.00% | +11,400 | New |
| Caitong International Asset Management Co., Ltd | 11,061 | $60.1K | 0.01% | −22,219−66.8% | Reduced |
| Ameriprise Financial Inc | 10,300 | $55.9K | 0.00% | +10,300 | New |
| ProShare Advisors LLC | 10,026 | $54.4K | 0.00% | −1,535−13.3% | Reduced |
| AMG National Trust Bank | 10,000 | $54.3K | 0.00% | 00.0% | Unchanged |
| Kemnay Advisory Services Inc. | 8,592 | $46.7K | 0.01% | +8,592 | New |
| Legal & General Group Plc | 7,497 | $40.7K | 0.00% | +977+15.0% | Added |
| Tower Research Capital LLC (TRC) | 6,681 | $36.3K | 0.00% | −633−8.7% | Reduced |