Starling Oncology, Inc.

STLN

Exchange: Nasdaq
Industry: Services-Offices & Clinics of Doctors of Medicine
SEC CIK: 0001799191

SEC filings (opens in a new tab)

In the last 90 days, Starling Oncology, Inc. insiders filed 2 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 classesDFPH STLNW

Key figures

Market capClose on Nov 10, 2026: $442.6M
Insider buysLast 90 days, $254.8K in total: 2
Insider sellsLast 90 days, $13.3M in total: 2
13F holdersQ2 2026, +4 vs. previous quarter: 119
13F valueReported value at the end of Q2 2026: $217.6M
Superinvestors holdingAt the end of Q2 2026: 0

Price chart

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Financials

See financial statements

From SEC filings, in USD.

Revenue, FY2025: $502.7M; +27.8% year over year
Net income, FY2025: -$60.6M; No comparable prior period
Free cash flow, FY2025: -$27.8M; No comparable prior period
Revenue, Q3 FY2026: $169.8M; +24.3% year over year

Revenue flow, FY2025

Green is profit; orange is costs, expenses and taxes. Percentages are shares of revenue.

Net loss for FY2025: $60.6M (12.1% of revenue).

Short interest

See short data

From FINRA, settlement date Oct 30, 2026.

Short interest: 6.84M; Shares sold short
Change: +305.1K; +4.7% vs. previous
Days to cover: 5.42; At average daily volume

Superinvestors holding STLN, Q2 2026

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No superinvestor reported holding STLN at the end of Q2 2026.

Latest insider trades

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Open-market purchases and sales by Starling Oncology, Inc. insiders from Form 4, newest first.

Insider trades
Filed (ET)	Trade date	Filing delay	Insider	Transaction	Shares	Avg price	Value	Holding change	Flags
Nov 10, 2026 (view filing)6:33 PM ET	Nov 6	4 days	Chernett Jorey10% Owner	SSale	−2.85M	$3.99	−$11.4M	−26.7%7.81M after
Nov 10, 2026 (view filing)6:33 PM ET	Nov 9	1 day	Chernett Jorey10% Owner	PPurchase	+48.3K	$3.65	+$176.3K	+0.6%7.86M after
Nov 10, 2026 (view filing)6:33 PM ET	Nov 6-10	4 days	Chernett Jorey10% Owner	PPurchase	+2.95M	$0.0039	+$11.5K	–7.00K after	Derivative4 lots
Aug 24, 2026 (view filing)5:11 PM ET	Aug 21	3 days	Hively BradDirector	SSale	−298.9K	$6.51	−$1.95M	−42.0%412.0K after	10b5-1
Aug 17, 2026 (view filing)10:13 AM ET	Aug 14	3 days	Chernett Jorey10% Owner	PPurchase	+12.0K	$6.54	+$78.5K	+0.1%10.7M after
Aug 17, 2026 (view filing)10:13 AM ET	Aug 13	4 days	Chernett Jorey10% Owner	SSale	−10.0K	$0.0624	−$624	–0 after	Derivative
Jul 22, 2026 (view filing)9:55 AM ET	Jul 21	1 day	Chernett Jorey10% Owner	PPurchase	+18.0K	$5.27	+$94.9K	+0.2%10.6M after
Jul 16, 2026 (view filing)8:05 PM ET	Jul 14	2 days	Podnos YaleChief Medical Officer	SSale	−23.5K	$6.41	−$150.3K	−8.3%259.5K after	2 lots10b5-1
Jul 13, 2026 (view filing)11:34 AM ET	Jul 10	3 days	Chernett Jorey10% Owner	PPurchase	+15.0K	$5.85	+$87.8K	+0.1%10.6M after
Jun 24, 2026 (view filing)	Jun 23	1 day	Chernett Jorey10% Owner	PPurchase	+18.0K	$5.02	+$90.4K	+0.2%10.6M after

Top 10 13F holders, Q2 2026

See all 119 holders

The largest institutional positions in Starling Oncology, Inc. at the end of Q2 2026; share changes are against Q1 2026.

Institutions holding STLN in Q2 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