ACV Auctions Inc.
ACV Auctions Inc. (ACVA) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · ACVA · as of Sep 30, 2025
Ownership Breakdown
266
Institutional Holders
▼ 5 vs Q2
$1.72B
Total Inst. Value
▼ $1.19B vs Q2
174.58M
Shares Outstanding
freeFloat 93.85%
173.11M
13F Shares Held
▼ 5.98M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
ACVA largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC services-business services, nec | 15.63M | 9.17% | 9.17% | $154.92B | Nov 7, 2025 | ▼ 130.2K |
BLACKROCK, INC. services-business services, nec | 12.95M | 7.59% | 7.59% | $128.31B | Nov 12, 2025 | ▼ 135.3K |
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC services-business services, nec | 11.47M | 6.73% | 6.73% | $113.68B | Nov 12, 2025 | ▲ 362.0K |
WASATCH ADVISORS LP services-business services, nec | 7.30M | 4.28% | 4.28% | $72.34B | Nov 14, 2025 | ▲ 4.6K |
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ services-business services, nec | 6.64M | 3.90% | 3.90% | $65.84B | Oct 29, 2025 | ▼ 2.50M |
ARROWMARK COLORADO HOLDINGS LLC services-business services, nec | 6.34M | 3.72% | 3.72% | $62.80B | Nov 14, 2025 | ▲ 1.48M |
ALLIANCEBERNSTEIN L.P. services-business services, nec | 6.33M | 3.71% | 3.71% | $62.75B | Nov 14, 2025 | ▲ 784.4K |
JENNISON ASSOCIATES LLC services-business services, nec | 5.68M | 3.33% | 3.33% | $56.28B | Oct 30, 2025 | ▲ 107.3K |
ATREIDES MANAGEMENT, LP services-business services, nec | 5.51M | 3.23% | 3.23% | $54.61B | Nov 14, 2025 | ▲ 816.6K |
FMR LLC services-business services, nec | 4.57M | 2.68% | 2.68% | $45.31B | Nov 13, 2025 | ▼ 3.66M |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
27
Increased
+12.40M shares4
New Positions
first time holders19
Decreased
−10.64M shares0
Sold Out
fully exitedNet shares change (top 50)
+1.75M
+12.40M / −10.64M
Net new holders
+12
4 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
ACVA insider trading · insider activity
Source: SEC Form 4
13
Buy transactions
23
Sell transactions
0.57
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
GOODMAN ROBERT P director | May 27, 2026 | Award | 27,500 | — | — | 421.8K | Form 4 ↗ |
JONES RENE F director | May 27, 2026 | Award | 27,500 | — | — | 46.6K | Form 4 ↗ |
KAMERICK EILEEN A director | May 27, 2026 | Award | 27,500 | — | — | 37.4K | Form 4 ↗ |
Castillo Kirsten director | May 27, 2026 | Award | 27,500 | — | — | 66.6K | Form 4 ↗ |
Hirsch Brian director | May 27, 2026 | Award | 27,500 | — | — | 127.2K | Form 4 ↗ |
Radecki Brian J director | May 27, 2026 | Award | 27,500 | — | — | 107.7K | Form 4 ↗ |
Anderson Craig Eric CCDSO | Apr 1, 2026 | Award | 194,348 | — | — | 507.4K | Form 4 ↗ |
Anderson Craig Eric CCDSO | Apr 1, 2026 | Tax Withhold | 5,185 | $4.27 | $22.1K | 502.2K | Form 4 ↗ |
Anderson Craig Eric CCDSO | Apr 1, 2026 | Tax Withhold | 3,645 | $4.27 | $15.6K | 498.6K | Form 4 ↗ |
Anderson Craig Eric CCDSO | Apr 1, 2026 | Tax Withhold | 4,431 | $4.27 | $18.9K | 494.2K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
ACV Auctions Inc. (ACVA) is primarily owned by institutional investors, who hold approximately 99.2% of total shares outstanding. Company insiders own approximately 6.15%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of ACV Auctions Inc. is VANGUARD GROUP INC, holding approximately 15.63 million shares — equal to 9.17% of outstanding shares — as of September 30, 2025.
A total of 266 institutional investors currently hold ACVA stock, with a combined institutional value of approximately $1.72 billion as of the most recent 13F filing period.
Frequently asked questions
ACVA ownershipACV Auctions Inc. (ACVA) is primarily owned by institutional investors, who hold approximately 99.2% of shares. The largest shareholder is VANGUARD GROUP INC with a 9.17% stake. Company insiders hold 6.15%. Data sourced from SEC Form 13F as of September 30, 2025.