Starling OncologySTLN
13F holders, Q2 2025 (June 30)79holders +36
42new positions
6sold out
2famous investors
$2.05avg. 13F price*
At the end of Q2 2025, 79 institutions reported holding Starling Oncology Inc. (STLN) in their 13F filings, up 36 from Q1 2025. 42 opened new positions and 6 sold out. The largest holders were Vanguard Group Inc. ($8.8M), Tiff Advisory Services, LLC ($7.5M) and Deerfield Management Company, L.P. ($6.9M). 2 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Starling Oncology Inc.
- Filed as
- THE ONCOLOGY INSTITUTE INC (Q2 2025)
- CUSIP
- 68236X100
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2025 → Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 42 | $12.2M |
| Exits | 6 | $1.7M |
All 13F filers, Q1 2025 → Q2 2025: 16,673,079 shares bought and 1,788,229 shares sold, net +14,884,850 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 79 holders
| Vanguard Group Inc. | 0.00% | Add +144.5% | 4,280,887 | $8.8M |
| Tiff Advisory Services, LLC | 1.76% | Add +22.0% | 3,634,465 | $7.5M |
| Deerfield Management Company, L.P. | 0.14% | No change | 3,360,052 | $6.9M |
| BlackRock, Inc. | 0.00% | Add +1160.5% | 3,306,904 | $6.8M |
| Balyasny Asset Management L.P. | 0.01% | Add +17.3% | 2,518,337 | $5.2M |
| Josh Arnold Investment Consultant, LLC | 4.35% | Add +23.0% | 2,446,550 | $5.0M |
| Marshall Wace, LLP | 0.00% | New | 1,476,946 | $3.0M |
| Geode Capital Management, LLC | 0.00% | Add +231.7% | 1,279,443 | $2.6M |
| Wexford Capital LP | 0.64% | New | 1,118,679 | $2.3M |
| CenterBook Partners LP | 0.08% | New | 715,899 | $1.5M |
| State Street Corp. | 0.00% | Add +538.0% | 646,257 | $1.3M |
| BRC Group Holdings, Inc. | 1.07% | Add +208.0% | 462,000 | $947K |
| Renaissance Technologies | 0.00% | Add +84.8% | 457,500 | $938K |
| UBS Group AG | 0.00% | Add +4071.6% | 420,373 | $862K |
| Northern Trust Corp. | 0.00% | Add +434.3% | 411,357 | $843K |
| Millennium Management | 0.00% | New | 405,009 | $830K |
| Massar Capital Management, LP | 0.62% | Add +300.0% | 400,000 | $820K |
| FourWorld Capital Management LLC | 0.58% | Add +52.4% | 391,650 | $803K |
| FreeGulliver LLC | 0.32% | Reduce -36.8% | 343,800 | $705K |
| Two Sigma Investments, LP | 0.00% | New | 278,165 | $570K |
| Manatuck Hill Partners, LLC | 0.19% | Reduce -28.6% | 249,800 | $512K |
| Bank of New York Mellon Corp | 0.00% | Add +98.7% | 248,646 | $510K |
| Portolan Capital Management, LLC | 0.03% | New | 221,512 | $454K |
| Informed Momentum Co LLC | 0.06% | New | 195,837 | $401K |
| Morgan Stanley | 0.00% | Add +475.2% | 175,373 | $360K |
| Goldman Sachs Group Inc. | 0.00% | Add +34.3% | 154,632 | $317K |
| Charles Schwab Investment Management Inc. | 0.00% | New | 147,534 | $302K |
| Verition Fund Management LLC | 0.00% | New | 139,763 | $287K |
| Panagora Asset Management Inc. | 0.00% | New | 126,985 | $260K |
| Citizens Financial Group Inc. | 0.00% | Add +89.8% | 119,000 | $244K |
| Susquehanna International Group, LLP | 0.00% | Add +407.8% | 113,676 | $233K |
| Barclays PLC | 0.00% | New | 103,670 | $213K |
| Saba Capital Management, L.P. | 0.01% | No change | 94,264 | $193K |
| Graham Capital Management, L.P. | 0.01% | New | 86,206 | $177K |
| Rhumbline Advisers | 0.00% | New | 85,231 | $175K |
| Lee Financial Co | 0.02% | No change | 81,362 | $167K |
| HighTower Advisors, LLC | 0.00% | No change | 81,362 | $167K |
| Quadrature Capital Ltd | 0.00% | New | 79,753 | $164K |
| Mount Lucas Management LP | 0.08% | New | 77,000 | $158K |
| Nuveen, LLC | 0.00% | New | 76,672 | $157K |
| National Bank of Canada | 0.00% | New | 76,013 | $156K |
| Fielder Capital Group LLC | 0.04% | No change | 70,192 | $144K |
| WealthShield Partners, LLC | 0.02% | No change | 70,154 | $144K |
| Kingswood Wealth Advisors, LLC | 0.01% | New | 64,400 | $132K |
| XTX Topco Ltd | 0.00% | Reduce -11.2% | 49,443 | $101K |
| New York State Common Retirement Fund | 0.00% | New | 44,700 | $92K |
| MetLife Investment Management, LLC | 0.00% | New | 39,945 | $82K |
| Invesco Ltd. | 0.00% | New | 38,708 | $79K |
| Alliancebernstein L.P. | 0.00% | New | 38,000 | $78K |
| Cubist Systematic Strategies, LLC | 0.00% | New | 34,697 | $71K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | New | 32,260 | $66K |
| Royal Bank of Canada | 0.00% | New | 32,144 | $66K |
| Wells Fargo & Company | 0.00% | New | 30,504 | $63K |
| T. Rowe Price Associates Inc. | 0.00% | New | 29,764 | $62K |
| Intech Investment Management LLC | 0.00% | New | 28,614 | $59K |
| JPMorgan Chase & Co. | 0.00% | Add +51631.5% | 27,935 | $57K |
| Bank of America Corp. | 0.00% | Add +779.9% | 25,808 | $53K |
| Citigroup Inc. | 0.00% | Add +698566.7% | 20,960 | $43K |
| Manufacturers Life Insurance Company, The | 0.00% | New | 20,891 | $43K |
| State of Wyoming | 0.00% | New | 18,048 | $37K |
| Cetera Investment Advisers | 0.00% | Add +35.0% | 17,545 | $36K |
| Voya Investment Management LLC | 0.00% | New | 16,991 | $35K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | New | 15,386 | $32K |
| Hudson Bay Capital Management LP | 0.00% | No change | 15,200 | $31K |
| ProShare Advisors LLC | 0.00% | New | 12,104 | $25K |
| AMG National Trust Bank | 0.00% | No change | 10,000 | $21K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -19.9% | 7,649 | $16K |
| Legal & General Group Plc | 0.00% | New | 6,576 | $13K |
| Ameritas Investment Partners, Inc. | 0.00% | New | 6,026 | $12K |
| BNP Paribas Financial Markets | 0.00% | Add +100460.0% | 5,028 | $10K |
| FNY Investment Advisers, LLC | 0.00% | New | 4,000 | $8K |
| California State Teachers Retirement System | 0.00% | New | 3,683 | $8K |
| SBI Securities Co., Ltd. | 0.00% | Add +1400.0% | 3,000 | $6K |
| Raymond James Financial Inc. | 0.00% | New | 2,331 | $5K |
| Amalgamated Bank | 0.00% | New | 2,016 | $4K |
| Deutsche Bank AG | 0.00% | New | 1,635 | $3K |
| Capital Advisors, Ltd. LLC | 0.00% | No change | 1,219 | $2K |
| FMR LLC | 0.00% | New | 519 | $1K |
| Sterling Capital Management LLC | 0.00% | New | 143 | $293 |
"% of holder's portfolio" is STLN's weight in each manager's 13F, not the share of Starling Oncology Inc. the manager owns.