Starling OncologySTLN

13F holders, Q4 2025 (December 31)
117holders +9
26new positions
18sold out
4famous investors
$3.56avg. 13F price*

At the end of Q4 2025, 117 institutions reported holding Starling Oncology Inc. (STLN) in their 13F filings, up 9 from Q3 2025. 26 opened new positions and 18 sold out. The largest holders were Vanguard Group Inc. ($16.9M), BlackRock, Inc. ($13.9M) and Deerfield Management Company, L.P. ($12.0M). 4 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Steve Cohen (0.0% of Point72 Asset Management's portfolio).

Company
Starling Oncology Inc.
Filed as
THE ONCOLOGY INSTITUTE INC (Q4 2025)
CUSIP
68236X100
Latest filing quarter
Q2 2026

History

Number of 13F holders

050100150 Q1 2024: 47Q1 2024Q2 2024: 39Q2 2024Q3 2024: 34Q3 2024Q4 2024: 31Q4 2024Q1 2025: 43Q1 2025Q2 2025: 79Q2 2025Q3 2025: 108Q3 2025Q4 2025: 117Q4 2025Q1 2026: 115Q1 2026Q2 2026: 119Q2 2026

Total Exit/New Position Q3 2025 → Q4 2025

InstitutionsTotal Value
New Positions26$5.2M
Exits18$5.2M

All 13F filers, Q3 2025 → Q4 2025: 8,278,738 shares bought and 4,512,088 shares sold, net +3,766,650 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 117 holders

Vanguard Group Inc. 0.00% Add +4.5% 4,748,635 $16.9M
BlackRock, Inc. 0.00% Add +13.7% 3,905,333 $13.9M
Deerfield Management Company, L.P. 0.17% No change 3,360,052 $12.0M
CenterBook Partners LP 0.53% Add +12.0% 3,029,312 $10.8M
Kanen Wealth Management LLC 3.25% Add +61.6% 2,976,144 $10.7M
Balyasny Asset Management L.P. 0.02% Add +0.0% 2,518,437 $9.0M
Josh Arnold Investment Consultant, LLC 6.53% Add +1104.3% 2,459,809 $8.8M
Geode Capital Management, LLC 0.00% Add +12.0% 1,570,454 $5.6M
Wexford Capital LP 1.40% Reduce -2.4% 1,533,456 $5.5M
State Street Corp. 0.00% Add +19.6% 1,351,624 $4.8M
Jane Street Group, LLC 0.00% Add +543.2% 803,315 $2.9M
Renaissance Technologies 0.00% Reduce -3.8% 721,900 $2.6M
BRC Group Holdings, Inc. 1.01% Reduce -18.3% 663,376 $2.4M
Goldman Sachs Group Inc. 0.00% Reduce -16.3% 570,424 $2.0M
Northern Trust Corp. 0.00% Add +7.4% 499,244 $1.8M
Massar Capital Management, LP 0.28% No change 400,000 $1.4M
JPMorgan Chase & Co. 0.00% Add +1483.3% 386,778 $1.4M
FourWorld Capital Management LLC 1.28% Add +6.9% 382,700 $1.4M
GatePass Capital, LLC 0.67% New 360,000 $1.3M
FreeGulliver LLC 0.57% Add +69.4% 355,672 $1.3M
Susquehanna International Group, LLP 0.00% New 295,150 $1.1M
UBS Group AG 0.00% Reduce -72.8% 287,686 $1.0M
LPL Financial LLC 0.00% Add +1.5% 270,885 $964K
Two Sigma Investments, LP 0.00% Reduce -6.1% 262,050 $933K
Maven Securities LTD 0.11% Add +151.1% 251,128 $894K
Mount Lucas Management LP 0.39% Add +55.8% 250,000 $890K
Morgan Stanley 0.00% Add +144.0% 222,053 $791K
Charles Schwab Investment Management Inc. 0.00% Add +11.1% 208,265 $741K
T3 Companies, LLC 0.93% — 201,100 $716K
Tiff Advisory Services, LLC 0.12% Reduce -77.2% 195,569 $696K
Millennium Management 0.00% Reduce -79.7% 193,141 $688K
Informed Momentum Co LLC 0.07% No change 182,509 $650K
Marshall Wace, LLP 0.00% Add +616.5% 180,300 $642K
Arrowstreet Capital, Limited Partnership 0.00% New 155,724 $554K
Bank of New York Mellon Corp 0.00% Add +5.3% 138,838 $494K
ExodusPoint Capital Management, LP 0.00% Add +1.8% 117,326 $418K
Sei Investments Co. 0.00% New 111,553 $397K
State of Wyoming 0.04% Add +69.4% 106,673 $380K
Barclays PLC 0.00% Add +24.0% 106,452 $379K
Kingswood Wealth Advisors, LLC 0.02% Add +27.2% 98,700 $351K
HighTower Advisors, LLC 0.00% Add +5.5% 85,851 $306K
Boothbay Fund Management, LLC 0.01% Reduce -65.6% 85,230 $303K
Wells Fargo & Company 0.00% Add +117.9% 83,601 $298K
Lee Financial Co 0.04% No change 81,362 $290K
Creative Planning 0.00% New 78,633 $280K
Nuveen, LLC 0.00% No change 76,672 $273K
Rhumbline Advisers 0.00% Reduce -10.6% 74,585 $266K
Gsa Capital Partners LLP 0.02% New 70,654 $252K
Fielder Capital Group LLC 0.05% No change 70,192 $250K
WealthShield Partners, LLC 0.03% No change 70,154 $250K
Point72 Asset Management 0.00% New 69,275 $247K
Private Advisor Group, LLC 0.00% Reduce -9.7% 62,222 $222K
Group One Trading LLC 0.01% New 62,140 $221K
Squarepoint Ops LLC 0.00% Reduce -56.7% 61,764 $220K
Alliancebernstein L.P. 0.00% No change 61,600 $219K
Caption Management, LLC 0.01% New 50,100 $178K
AQR Capital Management 0.00% Add +9.1% 48,072 $171K
Deutsche Bank AG 0.00% Reduce -45.9% 47,848 $170K
Invesco Ltd. 0.00% Add +21.8% 47,012 $167K
XTX Topco Ltd 0.00% New 46,522 $166K
Bank of America Corp. 0.00% Reduce -10.2% 46,448 $165K
MetLife Investment Management, LLC 0.00% Add +87.0% 40,455 $144K
T. Rowe Price Associates Inc. 0.00% Add +27.7% 38,002 $136K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Add +16.6% 31,666 $113K
nVerses Capital, LLC 0.25% — 31,595 $112K
Larson Financial Group LLC 0.00% Add +19.7% 31,468 $112K
NewEdge Advisors, LLC 0.00% Reduce -27.4% 31,180 $111K
Mangrove Partners Im, LLC 0.01% New 30,581 $109K
Aquatic Capital Management LLC 0.00% New 29,588 $105K
Holt Capital Advisors, L.L.C. dba Holt Capital Partners, L.P. 0.01% New 29,534 $105K
Jump Financial, LLC 0.00% Reduce -69.7% 25,279 $90K
Cetera Investment Advisers 0.00% Reduce -46.3% 24,287 $86K
Caitong International Asset Management Co., Ltd 0.02% Add +585.8% 22,466 $80K
Manufacturers Life Insurance Company, The 0.00% Add +5.0% 21,831 $78K
EntryPoint Capital, LLC 0.03% New 18,456 $66K
Intech Investment Management LLC 0.00% Reduce -9.6% 17,722 $63K
National Bank of Canada 0.00% Reduce -80.6% 17,733 $63K
SG Americas Securities, LLC 0.00% Reduce -43.1% 16,137 $57K
Rwa Wealth Partners, LLC 0.00% New 15,633 $56K
Engineers Gate Manager LP 0.00% New 15,429 $55K
Police & Firemen's Retirement System of New Jersey 0.00% No change 15,386 $55K
BNP Paribas Financial Markets 0.00% Add +23.6% 14,978 $53K
Prudential Financial Inc. 0.00% Reduce -16.8% 14,765 $53K
ProShare Advisors LLC 0.00% Add +21.5% 12,469 $44K
Voya Investment Management LLC 0.00% Add +8.5% 11,846 $42K
Intrua Financial, LLC 0.00% Reduce -33.0% 11,676 $42K
R Squared Ltd 0.02% New 11,462 $41K
Pekin Hardy Strauss, Inc. 0.00% New 10,000 $36K
AMG National Trust Bank 0.00% No change 10,000 $36K
Kestra Advisory Services, LLC 0.00% New 8,680 $31K
Legal & General Group Plc 0.00% Add +17.5% 7,724 $27K
Osaic Holdings, Inc. 0.00% Add +215.8% 7,002 $25K
Ameritas Investment Partners, Inc. 0.00% No change 6,026 $21K
New York State Common Retirement Fund 0.00% No change 5,600 $20K
Tower Research Capital LLC (TRC) 0.00% Reduce -60.8% 5,347 $19K
Royal Bank of Canada 0.00% Add +232.0% 5,106 $18K
Russell Investments Group, Ltd. 0.00% Add +0.9% 4,931 $18K
California State Teachers Retirement System 0.00% Add +14.0% 4,202 $15K
SBI Securities Co., Ltd. 0.00% No change 3,500 $12K
Amalgamated Bank 0.00% Add +6.3% 2,144 $8K

"% of holder's portfolio" is STLN's weight in each manager's 13F, not the share of Starling Oncology Inc. the manager owns.

Show all 117 holders