Starling Oncology, Inc. (STLN) Institutional Ownership & Insider Trading

120 institutions reported holding Starling Oncology, Inc. shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings. 2 insider trades on Form 4 since 2025-10-01.

Source: SEC EDGAR filings · figures as of 2026-06-30 · read by EquiReason

STLNStarling Oncology, Inc.Follow STLN — free

Medical Care Facilities · Healthcare

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Market cap: 683.9M
P/E TTM: —
Dividend yield: —
52-week: —
Next earnings: 11 Nov, in 18 days

Institutions · all 13F filers

quarter to 30 Jun 2026 · filers in both quarters

120 institutions held 39.3% of the shares. Across filers that reported both quarters, shares held changed +4.0%.

Largest moves, shares (millions)

Institutional flow by quarter

net shares added or trimmed, millions · filers in both quarters

Quarter	Holders	Shares held, M	Change	Increased	New	Decreased	Closed
Jun 26	120	40	+4.0%	51	26	23	19
Mar 26	115	39	-0.1%	48	19	26	25
Dec 25	117	38	+11.6%	45	25	26	15
Sep 25	104	34	+5.8%	30	30	21	6
Jun 25	78	29	+73.5%	22	42	5	6
Mar 25	42	17	+15.0%	6	14	6	3
Dec 24	30	15	-34.4%	8	5	3	7
Sep 24	32	20	+8.3%	9	1	6	7

Starling Oncology, Inc. — questions

Who owns Starling Oncology, Inc. stock?: 120 institutions reported Starling Oncology, Inc. shares in 13F filings for the quarter ended 2026-06-30. The largest: BlackRock, Inc. (4.7%), DEERFIELD MANAGEMENT COMPANY, L.P. (3.3%), VANGUARD CAPITAL MANAGEMENT LLC (3.2%).
Are Starling Oncology, Inc. insiders buying or selling?: 2 insider trades on Form 4 since 2025-10-01; the full list, with dates, people and plan status, is on this page.

Every figure on this page comes from Starling Oncology, Inc.'s own SEC filings — see them on SEC EDGAR. Price data is licensed and shown only inside the product.

How these figures are read: methodology · EquiReason.

Important information. Figures on this page are taken from filings submitted to the U.S. Securities and Exchange Commission (SEC) and processed automatically by EquiReason. They may contain errors, omissions or delays, and EquiReason makes no representation or warranty as to their accuracy, completeness or timeliness. Always verify figures against the original filing on SEC EDGAR before relying on them.

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