Aaon, Inc. (NASDAQ:AAON) showed up in the 13F filings of 387 institutional investors as of December 2025.
| Owner Name | Date | Shares Held | Change (QoQ) | Change (%) | Value (USD) |
|---|---|---|---|---|---|
| WELLINGTON MANAGEMENT GROUP LLP | 31 Mar, 2026 | 7,977,164 | 1,137,887 | 16.64% | $660,110,322.00 |
| WELLINGTON MANAGEMENT GROUP LLP | 31 Mar, 2026 | 6,839,277 | 2,099,385 | 44.29% | $521,494,872.00 |
| BlackRock, Inc. | 31 Mar, 2026 | 6,560,422 | 163,672 | 2.56% | $542,874,893.00 |
| BlackRock, Inc. | 31 Mar, 2026 | 6,396,750 | 15,385 | 0.24% | $487,752,162.00 |
| VANGUARD GROUP INC | 31 Mar, 2026 | 6,396,501 | -77,588 | -1.20% | $487,733,201.00 |
| VANGUARD CAPITAL MANAGEMENT LLC | 31 Mar, 2026 | 3,099,121 | 3,099,121 | 0.00% | $256,452,263.00 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 31 Mar, 2026 | 2,908,091 | 2,908,091 | 0.00% | $240,644,530.00 |
| State Street Corp | 31 Mar, 2026 | 2,062,614 | 18,873 | 0.92% | $170,681,309.00 |
| State Street Corp | 31 Mar, 2026 | 2,043,741 | -3,112 | -0.15% | $155,835,251.00 |
| FIRST TRUST ADVISORS LP | 31 Mar, 2026 | 2,013,215 | 364,101 | 22.08% | $166,593,514.00 |
| GENEVA CAPITAL MANAGEMENT LLC | 31 Mar, 2026 | 1,849,643 | -173,503 | -8.58% | $141,035,315.00 |
| WASATCH ADVISORS LP | 31 Mar, 2026 | 1,831,414 | -307,545 | -14.38% | $139,645,318.00 |
| Conestoga Capital Advisors, LLC | 31 Mar, 2026 | 1,776,013 | 84,693 | 5.01% | $135,420,967.00 |
| GENEVA CAPITAL MANAGEMENT LLC | 31 Mar, 2026 | 1,721,631 | -128,012 | -6.92% | $142,464,996.00 |
| Morgan Stanley | 31 Mar, 2026 | 1,687,671 | -321,778 | -16.01% | $128,685,187.00 |
| BLAIR WILLIAM & CO/IL | 31 Mar, 2026 | 1,679,025 | -140,267 | -7.71% | $128,025,664.00 |
| Champlain Investment Partners, LLC | 31 Mar, 2026 | 1,664,703 | -655,616 | -28.26% | $126,933,604.00 |
| FIRST TRUST ADVISORS LP | 31 Mar, 2026 | 1,649,114 | -284,481 | -14.71% | $125,744,950.00 |
| BLAIR WILLIAM & CO/IL | 31 Mar, 2026 | 1,622,203 | -56,822 | -3.38% | $134,237,265.00 |
| Champlain Investment Partners, LLC | 31 Mar, 2026 | 1,602,006 | -62,697 | -3.77% | $132,565,997.00 |