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 |
|---|---|---|---|---|---|
| Ameritas Investment Partners, Inc. | 6,026 | $32.7K | 0.00% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 3,322 | $18.0K | 0.00% | +3,322 | New |
| Miller Wealth Advisors, LLC | 2,820 | $15.3K | 0.01% | +2,820 | New |
| SBI Securities Co., Ltd. | 1,600 | $8.69K | 0.00% | +1,600 | New |
| Capital Advisors, Ltd. LLC | 1,219 | $7.00K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 1,055 | $5.73K | 0.00% | −3,329−75.9% | Reduced |
| Allworth Financial LP | 938 | $5.09K | 0.00% | +830+768.5% | Added |
| Bessemer Group Inc | 956 | $5.00K | 0.00% | −68−6.6% | Reduced |
| The PNC Financial Services Group, Inc. | 625 | $3.39K | 0.00% | +10+1.6% | Added |
| Jones Financial Companies LLLP | 578 | $3.12K | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 567 | $3.08K | 0.00% | +49+9.5% | Added |
| IFP Advisors, Inc | 500 | $2.71K | 0.00% | 00.0% | Unchanged |
| Quarry LP | 155 | $842 | 0.00% | +155 | New |
| GAMMA Investing LLC | 63 | $342 | 0.00% | 00.0% | Unchanged |
| US Bancorp | 57 | $310 | 0.00% | −39−40.6% | Reduced |
| Hughes Financial Services, LLC | 16 | $87 | 0.00% | +16 | New |
| EverSource Wealth Advisors, LLC | 14 | $76 | 0.00% | +1+7.7% | Added |
| Farther Finance Advisors, LLC | 7 | $38 | 0.00% | 00.0% | Unchanged |
| Keating Financial Advisory Services, Inc. | 2 | $11 | 0.00% | +1+100.0% | Added |
| Kanen Wealth Management LLC | 0 | $0 | 0.00% | −2,777,858−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −1,826,370−100.0% | Sold out |
| Ensign Peak Advisors, Inc | 0 | $0 | 0.00% | −626,852−100.0% | Sold out |
| Centiva Capital, LP | 0 | $0 | 0.00% | −224,245−100.0% | Sold out |
| Tiff Advisory Services Inc | 0 | $0 | 0.00% | −195,469−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −92,869−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −90,346−100.0% | Sold out |
| Lee Financial Co | 0 | $0 | 0.00% | −81,362−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −78,468−100.0% | Sold out |
| Rhumbline Advisers | 0 | $0 | 0.00% | −77,845−100.0% | Sold out |
| WealthShield Partners, LLC | 0 | $0 | 0.00% | −70,154−100.0% | Sold out |
| ADAR1 Capital Management, LLC | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| Graham Capital Management, L.P. | 0 | $0 | 0.00% | −33,792−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −21,234−100.0% | Sold out |
| VestGen Advisors, LLC | 0 | $0 | 0.00% | −12,000−100.0% | Sold out |
| Nine Masts Capital Ltd | 0 | $0 | 0.00% | −14,018−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −13,213−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −9,455−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −9,038−100.0% | Sold out |
| Twin Peaks Wealth Advisors, LLC | 0 | $0 | 0.00% | −118−100.0% | Sold out |
| Root Financial Partners, LLC | 0 | $0 | 0.00% | −51−100.0% | Sold out |
| CWM, LLC | – | – | – | – | Not filed |