| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| 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 30 Sep 2025, 253 institutional investors reported holding 173,108,643 shares of ACV Auctions Inc. - CLASS A COMMON STOCK (ACVA). This represents 102% of the company’s total 169,325,677 outstanding shares.
The largest institutional shareholders of ACV Auctions Inc. - CLASS A COMMON STOCK (ACVA) together control 73% 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 | 9.2% | 15,633,016 | -0.83% | 0% | $154,923,189 |
| BlackRock, Inc. | 7.6% | 12,947,267 | -1% | 0% | $128,307,415 |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 6.8% | 11,471,709 | +3.3% | 0.29% | $113,684,636 |
| WASATCH ADVISORS LP | 4.3% | 7,299,989 | +0.06% | 0.39% | $72,342,891 |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 3.9% | 6,643,937 | -27% | 0.02% | $65,841,416 |
| ArrowMark Colorado Holdings LLC | 3.7% | 6,337,335 | +30% | 1.2% | $62,802,990 |
| ALLIANCEBERNSTEIN L.P. | 3.7% | 6,332,313 | +14% | 0.02% | $62,753,222 |
| JENNISON ASSOCIATES LLC | 3.4% | 5,678,619 | +1.9% | 0.03% | $56,275,115 |
| Atreides Management, LP | 3.3% | 5,510,790 | +17% | 1.4% | $54,611,929 |
| FMR LLC | 2.7% | 4,571,793 | -44% | 0% | $45,306,471 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.3% | 3,955,580 | +0.69% | 0% | $39,205,183 |
| HARRIS ASSOCIATES L P | 2.2% | 3,804,814 | +25% | 0.06% | $37,705,707 |
| STATE STREET CORP | 2.2% | 3,733,935 | -0.5% | 0% | $37,003,296 |
| RIVERBRIDGE PARTNERS LLC | 2.1% | 3,567,434 | +19% | 0.6% | $35,353,271 |
| JPMORGAN CHASE & CO | 2% | 3,312,634 | -17% | 0% | $32,828,203 |
| Spyglass Capital Management LLC | 1.8% | 3,113,017 | -1.4% | 1.6% | $30,849,998 |
| CRAMER ROSENTHAL MCGLYNN LLC | 1.7% | 2,934,804 | +5.3% | 1.9% | $29,083,908 |
| Senvest Management, LLC | 1.6% | 2,635,655 | +56% | 0.84% | $26,119,341 |
| TimesSquare Capital Management, LLC | 1.3% | 2,208,768 | -6% | 0.31% | $21,888,891 |
| DEUTSCHE BANK AG\ | 1.3% | 2,135,806 | +1347% | 0.01% | $21,165,838 |
| LOOMIS SAYLES & CO L P | 1.1% | 1,940,876 | -24% | 0.02% | $19,234,082 |
| IRIDIAN ASSET MANAGEMENT LLC/CT | 1.1% | 1,880,851 | +53% | 7.3% | $18,639,233 |
| Point72 Asset Management, L.P. | 1.1% | 1,821,427 | +2.2% | 0.04% | $18,050,347 |
| GOLDMAN SACHS GROUP INC | 1% | 1,743,476 | +25% | 0% | $17,277,848 |
| NORTHERN TRUST CORP | 1% | 1,738,495 | -1.3% | 0% | $17,228,486 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 66,356,003 | $532,201,974 | -$29,106,432 | $8.02 | 106 |
| 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 |