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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.

Other share classesDFPHSTLNW

Q3 2025 vs. Q2 2025

How the institutions holding Starling Oncology, Inc. changed between Q2 2025 and Q3 2025.

All holders in Q3 2025All holders in Q2 2025

13F holders of STLN: Q2 2025 compared with Q3 2025
MeasureQ2 2025Q3 2025Change
Holders79108+29
Shares31.9M34.7M+2.73M (+8.6%)
Value$65.5M$121.0M+$55.5M (+84.8%)

New holders (35)

Institutions that held Starling Oncology, Inc. at the end of Q3 2025 but not at the end of Q2 2025.

Institutions new to STLN in Q3 2025
InstitutionSharesValue% of portfolio
Kanen Wealth Management LLC1,842,101$6.42M2.15%
LPL Financial LLC266,985$931.8K0.00%
Boothbay Fund Management, LLC247,884$865.1K0.02%
EHP Funds Inc.244,041$851.7K1.12%
Nkcfo LLC190,000$663.0K0.20%
Squarepoint Ops LLC142,554$497.5K0.00%
Jane Street Group, LLC124,888$435.9K0.00%
ExodusPoint Capital Management, LP115,243$402.2K0.01%
Maven Securities LTD100,000$349.0K0.07%
Jump Financial, LLC83,400$291.1K0.00%
Private Advisor Group, LLC68,922$240.5K0.00%
AQR Capital Management LLC44,065$153.8K0.00%
Diametric Capital, LP42,945$149.9K0.06%
GWM Advisors LLC42,925$149.8K0.00%
SG Americas Securities, LLC28,345$99.0K0.00%
Larson Financial Group LLC26,287$91.7K0.00%
O'Shaughnessy Asset Management, LLC23,794$83.0K0.00%
Prudential Financial Inc17,735$61.9K0.00%
Intrua Financial, LLC17,414$60.8K0.01%
Citadel Advisors LLC14,961$52.2K0.00%
Sherbrooke Park Advisers LLC14,656$51.1K0.02%
Prelude Capital Management, LLC11,880$41.5K0.00%
Quantbot Technologies LP4,926$17.2K0.00%
Russell Investments Group, Ltd.4,889$17.1K0.00%
Point72 Europe (London) LLP3,572$12.5K0.00%
Caitong International Asset Management Co., Ltd3,276$11.4K0.01%
Wealthspire Advisors, LLC3,169$11.1K0.00%
Advisor Group Holdings, Inc.2,217$7.63K0.00%
IFP Advisors, Inc500$1.75K0.00%
SJS Investment Consulting Inc.459$1.60K0.00%
C M Bidwell & Associates Ltd265$9250.00%
The PNC Financial Services Group, Inc.152$5300.00%
SRS Capital Advisors, Inc.14$490.00%
Allworth Financial LP4$140.00%
CWM, LLC109$00.00%

Sold out (6)

Institutions that held Starling Oncology, Inc. at the end of Q2 2025 and filed for Q3 2025 without it.

Institutions that sold out of STLN in Q3 2025
InstitutionShares, Q2 2025Value, Q2 2025
Portolan Capital Management, LLC221,512$454.1K
Citizens Financial Group Inc119,000$243.9K
Susquehanna International Group, LLP113,676$233.0K
Saba Capital Management, L.P.94,264$193.2K
XTX Topco Ltd49,443$101.4K
Hudson Bay Capital Management LP15,200$31.2K