| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Atreides Management, LP | 7.2% | $108,558,045 | 12,420,829 | Gavin Baker | 31 Dec 2025 | |||
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 6.6% | -12% | $164,381,330 | -$15,178,011 | 11,076,909 | -8.5% | WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 31 Mar 2025 |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 3.9% | $65,841,416 | 6,643,937 | Massachusetts Financial Services Company | 30 Sep 2025 | |||
| FMR LLC | 2.7% | -48% | $45,306,471 | -$39,446,269 | 4,571,793 | -47% | FMR LLC | 30 Sep 2025 |
As of 31 Dec 2025, 257 institutional investors reported holding 164,802,386 shares of ACV Auctions Inc. - Common Stock, par value $0.001 per share (ACVA). This represents 96% of the company’s total 172,511,514 outstanding shares.
The largest institutional shareholders of ACV Auctions Inc. - Common Stock, par value $0.001 per share (ACVA) together control 67% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| VANGUARD GROUP INC | 9% | 15,517,034 | -0.74% | 0% | $124,446,612 |
| BlackRock, Inc. | 7.6% | 13,036,060 | +0.69% | 0% | $104,549,201 |
| Atreides Management, LP | 7.2% | 12,411,800 | +125% | 2.1% | $99,542,636 |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 6.3% | 10,891,686 | -5.1% | 0.24% | $87,351,322 |
| JENNISON ASSOCIATES LLC | 3.3% | 5,766,578 | +1.5% | 0.03% | $46,247,959 |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 3.2% | 5,535,465 | -17% | 0.01% | $44,394,430 |
| CRAMER ROSENTHAL MCGLYNN LLC | 2.5% | 4,256,681 | +45% | 2.2% | $34,138,582 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.3% | 3,950,704 | -0.12% | 0% | $31,690,457 |
| STATE STREET CORP | 2.2% | 3,853,014 | +3.2% | 0% | $30,901,172 |
| JPMORGAN CHASE & CO | 2% | 3,390,841 | +2.4% | 0% | $27,194,546 |
| D. E. Shaw & Co., Inc. | 2% | 3,372,491 | +291% | 0.02% | $27,047,378 |
| FRONTIER CAPITAL MANAGEMENT CO LLC | 1.9% | 3,313,410 | +98% | 0.28% | $26,573,548 |
| Senvest Management, LLC | 1.9% | 3,239,056 | +23% | 0.8% | $25,977,229 |
| RIVERBRIDGE PARTNERS LLC | 1.8% | 3,122,032 | -12% | 0.47% | $25,038,698 |
| IRIDIAN ASSET MANAGEMENT LLC/CT | 1.7% | 2,989,152 | +59% | 8.8% | $23,972,999 |
| Sunriver Management LLC | 1.7% | 2,963,578 | 2.5% | $23,767,896 | |
| BANK OF AMERICA CORP /DE/ | 1.6% | 2,693,036 | +76% | 0% | $21,598,148 |
| Walleye Capital LLC | 1.5% | 2,634,310 | 0.12% | $21,127,166 | |
| Arvin Capital Management LP | 1.3% | 2,296,913 | +273% | 4% | $18,421,242 |
| DEUTSCHE BANK AG\ | 1.2% | 2,140,446 | +0.22% | 0.01% | $17,166,378 |
| Point72 Asset Management, L.P. | 1.1% | 1,917,443 | +5.3% | 0.02% | $15,377,893 |
| ROYCE & ASSOCIATES LP | 1% | 1,736,476 | +142% | 0.14% | $13,926,538 |
| WASATCH ADVISORS LP | 0.97% | 1,677,907 | -77% | 0.08% | $13,456,814 |
| NORTHERN TRUST CORP | 0.95% | 1,647,108 | -5.3% | 0% | $13,209,807 |
| MORGAN STANLEY | 0.93% | 1,597,489 | +26% | 0% | $12,811,867 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 164,802,386 | $1,321,841,611 | -$107,150,428 | $8.02 | 257 |
| 2025 Q3 | 173,108,643 | $1,715,569,033 | -$154,731,887 | $9.91 | 253 |
| 2025 Q2 | 179,090,694 | $2,904,831,937 | +$80,368,621 | $16.22 | 263 |
| 2025 Q1 | 174,804,283 | $2,462,702,164 | +$133,206,866 | $14.09 | 254 |
| 2024 Q4 | 164,458,656 | $3,552,250,825 | +$182,594,567 | $21.60 | 249 |
| 2024 Q3 | 155,185,316 | $3,154,203,877 | +$59,738,121 | $20.33 | 229 |
| 2024 Q2 | 151,891,813 | $2,771,961,061 | +$128,747,785 | $18.25 | 196 |
| 2024 Q1 | 144,676,611 | $2,715,500,330 | +$226,087,260 | $18.77 | 189 |
| 2023 Q4 | 133,179,812 | $2,017,685,498 | +$57,778,350 | $15.15 | 200 |
| 2023 Q3 | 128,789,061 | $1,954,917,935 | +$26,477,032 | $15.18 | 173 |
| 2023 Q2 | 126,249,511 | $2,180,302,444 | +$50,910,405 | $17.27 | 175 |
| 2023 Q1 | 123,741,325 | $1,597,481,965 | +$94,185,411 | $12.91 | 156 |
| 2022 Q4 | 116,919,373 | $959,619,506 | +$51,277,464 | $8.21 | 148 |
| 2022 Q3 | 110,492,805 | $794,434,775 | +$48,386,799 | $7.19 | 141 |
| 2022 Q2 | 104,134,919 | $680,997,303 | +$5,030,849 | $6.54 | 147 |
| 2022 Q1 | 94,771,274 | $1,403,577,124 | +$13,022,819 | $14.81 | 137 |
| 2021 Q4 | 89,553,721 | $1,687,193,468 | +$422,727,416 | $18.84 | 125 |
| 2021 Q3 | 65,251,191 | $1,167,394,389 | +$394,162,958 | $17.89 | 105 |
| 2021 Q2 | 36,070,243 | $923,854,374 | +$367,442,646 | $25.63 | 92 |
| 2021 Q1 | 21,336,219 | $736,316,000 | +$736,299,000 | $34.61 | 74 |