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ACV Auctions Inc. (ACVA) Institutional Ownership & Insider Trading

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

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

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Institutions · all 13F filers

quarter to 30 Jun 2026 · filers in both quarters

257 institutions held 97.1% of the shares. Across filers that reported both quarters, shares held changed +1.0%.

Increased+106New+37Decreased-72Closed-44

Largest moves, shares (millions)

Brown Advisory+6.9MParadice Investment…+5.0MAQR Capital Management+2.5MWilliam Blair Investment…-7.2MUBS Group AG-3.4MArvin Capital Management-2.7M

Institutional flow by quarter

net shares added or trimmed, millions · filers in both quarters
+2.2Sep 24+5.0Dec 24+13.6Mar 25+3.3Jun 25-2.8Sep 25-11.6Dec 25-2.0Mar 26+1.6Jun 26
QuarterHoldersShares held, MChangeIncreasedNewDecreasedClosed
Jun 26257165+1.0%106377244
Mar 26263163-1.4%87527447
Dec 25258165-6.6%94526146
Sep 25250176-1.5%87388046
Jun 25262179+1.9%110325725
Mar 25253175+8.5%91416634
Dec 24249164+3.1%89417228
Sep 24229155+1.5%97414012

ACV Auctions Inc. — questions

Who owns ACV Auctions Inc. stock?
257 institutions reported ACV Auctions Inc. shares in 13F filings for the quarter ended 2026-06-30. The largest: BlackRock, Inc. (8.3%), Atreides Management, LP (5.8%), VANGUARD CAPITAL MANAGEMENT LLC (4.4%).
Are ACV Auctions Inc. insiders buying or selling?
13 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 ACV Auctions 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.