ACV Auctions Inc.
ACVA- Exchange
- NYSE
- Industry
- Services-Business Services, NEC
- SEC CIK
- 0001637873
No open-market purchases or sales by ACV Auctions Inc. insiders were filed in the last 90 days; 259 institutions reported holding it in 13F filings for Q2 2026, worth $1.18B in total; no superinvestor holds it.
Holders of 5% or more of ACVA
Holders whose latest Schedule 13D or 13G filing reports 5% or more of ACV Auctions Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| William Blair Investment Management, LLC | 13G/A | 6.60%11.1M shares | −1.00 ppfrom 7.60% | Feb 12, 20252 filings | May 9, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
7 Schedule 13D and 13G filings on ACV Auctions Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Nov 5, 202511:26 AM ET | FMR LLCand 1 other | 13G/A | 2.70%4.57M shares | −2.40 ppfrom 5.10%Below 5% | Sep 30, 2025 | SEC |
| Nov 4, 20259:53 AM ET | Massachusetts Financial Services Co | 13G/A | 3.90%6.64M shares | –Below 5% | Sep 30, 2025 | SEC |
| May 12, 202510:24 AM ET | FMR LLCand 1 other | 13G/A | 5.10%8.55M shares | −2.60 ppfrom 7.70% | Mar 31, 2025 | SEC |
| May 9, 20253:32 PM ET | William Blair Investment Management, LLC | 13G/A | 6.60%11.1M shares | −1.00 ppfrom 7.60% | Mar 31, 2025 | SEC |
| Feb 14, 20255:10 PM ET | Bessemer Venture Partners IX L.P.and 3 others | 13G/A | 0.00%0 shares | –Below 5% | Dec 31, 2024 | SEC |
| Feb 12, 20255:37 PM ET | William Blair Investment Management, LLC | 13G/A | 7.60%12.1M shares | – | Dec 31, 2024 | SEC |
| Feb 12, 20259:16 AM ET | FMR LLCand 1 other | 13G/A | 7.70%12.2M shares | – | Dec 31, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell ACV Auctions Inc. shares.
No Form 144 notices for ACV Auctions Inc. are on file.