ACV Auctions Inc. (ACVA) Ownership

NYSE: ACVATop holders, insider trades and short interest.

ACVA ownership summary

as of October 18, 2026
Institutions
98.4%
of shares outstanding
Insiders
4.54%
of shares outstanding
Shares outstanding
169.8M
Float
154.0M
shares available to trade
Short interest
8.43%
9.2M shares short
Days to cover
0.95
short interest up 4.6% vs prior month
  • Institutions 98.39%
  • Insiders 4.54%

ACVA top institutional holders

20 largest
ACV Auctions Inc. top institutional holders
#Holder% of sharesSharesValueChangeReported
1BlackRock Inc8.29%14.1M$147.8M+938,271 (+7.1%)June 30, 2026
2Atreides Management, LP5.83%9.9M$104.0M+168,772 (+1.7%)June 30, 2026
3Vanguard Capital Management, LLC4.40%7.5M$78.5M+235,964 (+3.3%)June 30, 2026
4Vanguard Portfolio Management, LLC4.34%7.4M$77.5M+203,456 (+2.8%)June 30, 2026
5Brown Advisory Holdings Inc4.08%6.9M$72.7M+6.9M (+12,950.0%)June 30, 2026
6Cramer Rosenthal McGlynn LLC3.54%6.0M$63.1M+2.1M (+53.2%)June 30, 2026
7Frontier Capital Management CO Inc3.42%5.8M$61.0M+1.9M (+48.0%)June 30, 2026
8Paradice Investment Management LLC2.96%5.0M$52.7M+5.0M (0.0%)June 30, 2026
9Iridian Asset Management LLC2.70%4.6M$48.1M−622,788 (−12.0%)June 30, 2026
10Geode Capital Management, LLC2.56%4.3M$45.7M+293,760 (+7.2%)June 30, 2026
11RIMA MANAGEMENT, LLC2.52%4.3M$44.9M+745,000 (+21.1%)June 30, 2026
12State Street Corp2.45%4.2M$43.7M+302,064 (+7.8%)June 30, 2026
13Royce & Associates, LP2.33%4.0M$41.5M+1.3M (+48.6%)June 30, 2026
14D. E. Shaw & Co LP2.29%3.9M$40.7M−1.8M (−31.4%)June 30, 2026
15Nuveen, LLC2.00%3.4M$35.7M+1.6M (+87.6%)June 30, 2026
16AQR Capital Management LLC1.93%3.3M$34.5M+2.5M (+325.8%)June 30, 2026
17JPMorgan Chase & Co1.52%2.6M$27.1M−75,404 (−2.8%)June 30, 2026
18Marshall Wace Asset Management Ltd1.52%2.6M$27.1M+56,602 (+2.2%)June 30, 2026
19Advisory Research Inc1.48%2.5M$26.4M−516,670 (−17.1%)June 30, 2026
20Point72 Asset Management, L.P.1.46%2.5M$26.1M−1.7M (−40.6%)June 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 15 holders added 24.2M shares and 5 cut 4.7M.

ACVA top mutual fund and ETF holders

20 largest
ACV Auctions Inc. top fund holders
#Holder% of sharesSharesValueChangeReported
1Vanguard MStar Total Stk Mkt Idx Invest3.11%5.3M$55.4M—August 31, 2026
2iShares Russell 2000 ETF2.60%4.4M$46.4M−50,880 (−1.1%)September 30, 2026
3Vanguard Small Cap Index2.25%3.8M$40.1M+3,054 (+0.1%)August 31, 2026
4Vanguard MStar Small Cap Growth Indx Inv1.29%2.2M$22.9M−20,649 (−0.9%)August 31, 2026
5Xtrackers MSCI World Swap ETF 1C1.17%2.0M$20.8M−12,479 (−0.6%)December 31, 2025
6Fidelity Small Cap Index1.10%1.9M$19.6M+15,717 (+0.8%)July 31, 2026
7CRM Long/Short Opportunities Instl0.93%1.6M$16.7M+1.0M (+177.5%)June 30, 2026
8CREF Total Global Stock Account R30.77%1.3M$13.7M−184,840 (−12.4%)July 31, 2026
9Nuveen Quant Small Cap Equity R60.73%1.2M$13.0M—August 31, 2026
10Brown Advisory Small-Cap Growth Inv0.66%1.1M$11.8M—August 31, 2026
11Principal SmallCap Growth I Instl0.62%1.1M$11.1M−134,942 (−11.3%)August 31, 2026
12iShares Russell 2000 Growth ETF0.61%1.0M$10.8M−1,306 (−0.1%)September 30, 2026
13Brown Advisory US SmlrComs Dollar B Acc0.61%1.0M$10.8M—August 31, 2026
14Vanguard Russell 2000 ETF0.58%983K$10.3M+24,236 (+2.5%)August 31, 2026
15Royce Micro-Cap Trust0.54%912K$9.6M+621,029 (+213.6%)June 30, 2026
16Meridian Contrarian Legacy0.53%900K$9.4M+205,000 (+29.5%)June 30, 2026
17Schwab US Small-Cap ETF™0.53%896K$9.4M+603 (+0.1%)September 30, 2026
18Schroder US Smaller Companies Acc0.51%873K$9.2M−317,296 (−26.7%)August 31, 2026
19Royce Small-Cap Growth Growth Svc0.51%872K$9.2M+100,000 (+13.0%)June 30, 2026
20CRM Mid Cap Value Instl0.43%735K$7.7M+66,829 (+10.0%)June 30, 2026

Funds report holdings monthly or quarterly; dates differ by fund.

ACVA insider transactions

latest 12
ACV Auctions Inc. insider transactions
DateNameTransactionPriceSharesValue
2026-03-09George ChamounBuy$5.0524,272$122,574
2026-01-15Andrew PeerSell$8.851,750$15,488
2026-01-12George ChamounBuy$8.8114,286$125,860
2025-12-15Andrew PeerSell$8.031,750$14,052
2025-12-15George ChamounBuy$7.9731,172$248,441
2025-11-14Brian HirschBuy$6.2180,571$500,346
2025-11-10Robert P GoodmanBuy$5.61912,408$5.1M
2025-10-15Andrew PeerSell$8.841,750$15,470
2025-09-15Andrew PeerSell$10.111,750$17,692
2025-07-22Craig Eric AndersonSell$15.0415,000$225,600
2025-07-08Michael WatermanSell$16.0534,339$551,141
2025-05-13Michael WatermanSell$17.00223,330$3.8M

Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.

ACVA shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns ACVA

Institutional investors own 98.4% of ACV Auctions's shares and insiders 4.54%. The largest holder is BlackRock Inc with 8.29% of the shares (14.1M), as of June 30, 2026. Among the top 20 institutions, 15 added shares and 5 reduced their stake in the latest filings. Short interest is 8.43% of the float, or 0.95 days of average trading volume. The share count rose 28.7% since 2018.

Related: ACVA analyst forecast, ACVA key metrics. See the ACVA stock overview for the latest quote and news.

ACVA ownership FAQ

Who owns the most ACV Auctions stock?

The largest shareholders of ACV Auctions are BlackRock Inc (8.29%), Atreides Management, LP (5.83%), Vanguard Capital Management, LLC (4.40%), Vanguard Portfolio Management, LLC (4.34%), Brown Advisory Holdings Inc (4.08%).

What percentage of ACV Auctions is owned by institutions?

Institutions hold 98.4% of ACV Auctions's shares outstanding; insiders hold 4.54%.

Which funds own ACV Auctions?

The largest fund holders of ACV Auctions are Vanguard MStar Total Stk Mkt Idx Invest (3.11%), iShares Russell 2000 ETF (2.60%), Vanguard Small Cap Index (2.25%), Vanguard MStar Small Cap Growth Indx Inv (1.29%), Xtrackers MSCI World Swap ETF 1C (1.17%).

What is ACV Auctions's short interest?

9.2M shares of ACV Auctions were sold short, 8.43% of the float; at the average daily volume it would take 0.95 days to cover.

Are insiders buying or selling ACV Auctions?

Of the latest 12 reported insider transactions in ACV Auctions (since May 13, 2025), 5 were purchases and 7 were sales.

How many shares of ACV Auctions are outstanding?

ACV Auctions has 169.8M shares outstanding, of which 154.0M are in the public float.

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