| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 6.6% | -12% | $158,067,491 | -$14,595,028 | 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 | 9,286,086 | $74,484,713 | -$13,523,096 | $8.02 | 20 |
| 2025 Q3 | 173,108,643 | $1,715,569,034 | -$154,730,292 | $9.91 | 253 |
| 2025 Q2 | 179,090,694 | $2,904,831,937 | +$80,368,587 | $16.22 | 263 |
| 2025 Q1 | 174,804,183 | $2,462,700,614 | +$133,207,302 | $14.09 | 253 |
| 2024 Q4 | 164,457,906 | $3,552,228,243 | +$182,577,604 | $21.60 | 249 |
| 2024 Q3 | 155,185,316 | $3,154,203,773 | +$59,460,889 | $20.33 | 229 |
| 2024 Q2 | 151,905,448 | $2,772,209,487 | +$128,996,305 | $18.25 | 196 |
| 2024 Q1 | 144,676,611 | $2,715,500,581 | +$215,641,995 | $18.77 | 191 |
| 2023 Q4 | 802,939 | $12,164,526 | +$1,385,285 | $15.15 | 3 |
| 2023 Q3 | 127,836,733 | $1,940,461,852 | +$12,814,005 | $15.18 | 169 |
| 2023 Q2 | 126,164,155 | $2,178,828,158 | +$51,039,392 | $17.27 | 174 |
| 2023 Q1 | 123,729,570 | $1,597,329,731 | +$94,375,231 | $12.91 | 154 |
| 2022 Q4 | 116,837,890 | $958,950,065 | +$51,042,585 | $8.21 | 145 |
| 2022 Q3 | 109,675,597 | $788,560,110 | +$49,135,929 | $7.19 | 136 |
| 2022 Q2 | 104,091,580 | $680,714,195 | +$5,268,054 | $6.54 | 144 |
| 2022 Q1 | 94,016,174 | $1,392,393,557 | +$5,922,690 | $14.81 | 135 |
| 2021 Q4 | 85,692,102 | $1,614,439,309 | +$389,964,175 | $18.84 | 120 |
| 2021 Q3 | 65,248,982 | $1,167,354,641 | +$413,396,173 | $17.89 | 103 |
| 2021 Q2 | 36,068,757 | $923,816,374 | +$367,412,206 | $25.63 | 92 |
| 2021 Q1 | 21,336,219 | $736,316,000 | +$736,315,951 | $34.61 | 74 |