AAON INC (AAON) Institutional Shareholders
AAON INC (AAON) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $8.03B in AAON holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of AAON tracked by InsiderSet, reporting ownership valued at approximately $848.22M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $588.99M, representing an estimated loss of -30.56% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 46% of the total disclosed AAON value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Wellington Management Group Llp, Vanguard Capital Management Llc, and several other long-term asset managers with concentrated positions in AAON INC (AAON).
This page ranks the largest institutional AAON shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
461
Total Reported Value
$8.03B
Largest Holder
Blackrock, Inc.
Largest Position
$848.22M
Insider Transactions (90d)
6
Latest Filing Quarter
Q2 2026
New Institutional Positions
85
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.01% | 6,686,241 | $848,216,565 | $588,990,970 | -$259,225,595 | -30.56% | |
| Wellington Management Group Llp | 0.13% | 5,772,476 | $732,296,306 | $508,497,411 | -$223,798,895 | -30.56% | |
| Vanguard Capital Management Llc | 0.01% | 3,121,771 | $396,027,869 | $274,996,807 | -$121,031,062 | -30.56% | |
| Vanguard Portfolio Management Llc | 0.02% | 2,938,836 | $372,820,735 | $258,882,063 | -$113,938,672 | -30.56% | |
| State Street Corp | 0.01% | 2,625,540 | $333,061,123 | $231,283,819 | -$101,777,304 | -30.56% | |
| Wasatch Advisors Lp | 1.94% | 2,338,517 | $296,664,267 | $205,999,963 | -$90,664,304 | -30.56% | |
| First Trust Advisors Lp | 0.12% | 1,579,172 | $200,333,319 | $139,109,261 | -$61,224,058 | -30.56% | |
| Blair William & Co/Il | 0.51% | 1,533,434 | $194,531,388 | $135,080,201 | -$59,451,187 | -30.56% | |
| Geode Capital Management, Llc | 0.01% | 1,432,938 | $181,822,322 | $126,227,508 | -$55,594,814 | -30.58% | |
| Dimensional Fund Advisors Lp | 0.03% | 1,352,956 | $171,633,300 | $119,181,894 | -$52,451,406 | -30.56% | |
| Geneva Capital Management Llc | 3.49% | 1,200,842 | $152,338,830 | $105,782,172 | -$46,556,658 | -30.56% | |
| Morgan Stanley | 0.01% | 1,121,413 | $142,262,736 | $98,785,271 | -$43,477,465 | -30.56% | |
| Capital World Investors | 0.02% | 1,102,743 | $139,893,977 | $97,140,631 | -$42,753,346 | -30.56% | |
| Conestoga Capital Advisors, Llc | 2.80% | 1,015,825 | $128,867,519 | $89,484,024 | -$39,383,495 | -30.56% | |
| Jane Street Group, Llc | 0.08% | 973,933 | $123,553,140 | $85,793,758 | -$37,759,382 | -30.56% | |
| Fuller & Thaler Asset Management, Inc. | 0.32% | 917,551 | $116,400,466 | $80,827,068 | -$35,573,398 | -30.56% | |
| Pictet Asset Management Holding Sa | 0.11% | 883,740 | $112,111,256 | $77,848,657 | -$34,262,599 | -30.56% | |
| Kayne Anderson Rudnick Investment Management Llc | 0.35% | 878,950 | $111,503,652 | $77,426,706 | -$34,076,947 | -30.56% | |
| Mawer Investment Management Ltd. | 0.74% | 855,173 | $108,487,247 | $75,332,190 | -$33,155,057 | -30.56% | |
| Spyglass Capital Management Llc | 5.33% | 776,629 | $98,523,155 | $68,413,249 | -$30,109,906 | -30.56% | |
| Copeland Capital Management, Llc | 1.96% | 750,196 | $95,169,903 | $66,084,766 | -$29,085,137 | -30.56% | |
| Charles Schwab Investment Management Inc | 0.01% | 724,376 | $91,894,340 | $63,810,282 | -$28,084,058 | -30.56% | |
| Sixth Street Partners Management Company, L.P. | 0.01% | 724,376 | $91,894,340 | $63,810,282 | -$28,084,058 | -30.56% | |
| Northern Trust Corp | 0.01% | 701,585 | $89,003,072 | $61,802,623 | -$27,200,449 | -30.56% | |
| Bokf, Na | 1.19% | 681,598 | $86,467,522 | $60,041,968 | -$26,425,554 | -30.56% | |
| Stephens Investment Management Group Llc | 0.87% | 643,256 | $81,603,456 | $56,664,421 | -$24,939,035 | -30.56% | |
| Ameriprise Financial Inc | 0.02% | 639,442 | $81,119,949 | $56,328,446 | -$24,791,503 | -30.56% | |
| Fmr Llc | 0.00% | 624,170 | $79,182,222 | $54,983,135 | -$24,199,087 | -30.56% | |
| Bamco Inc | 0.10% | 544,402 | $69,062,838 | $47,956,372 | -$21,106,466 | -30.56% | |
| Norges Bank | 0.01% | 522,529 | $66,288,029 | $46,029,580 | -$20,258,449 | -30.56% | |
| Citigroup Inc | 0.03% | 496,931 | $63,040,667 | $43,774,652 | -$19,266,015 | -30.56% | |
| Brown Advisory Inc | 0.10% | 489,527 | $62,101,370 | $43,122,433 | -$18,978,937 | -30.56% | |
| Vanguard Fiduciary Trust Co | 0.01% | 440,816 | $55,921,918 | $38,831,481 | -$17,090,437 | -30.56% | |
| Bank Of New York Mellon Corp | 0.01% | 435,788 | $55,284,046 | $38,388,565 | -$16,895,481 | -30.56% | |
| Bank Of America Corp | 0.00% | 422,966 | $53,657,487 | $37,259,075 | -$16,398,412 | -30.56% | |
| Ubs Group Ag | 0.01% | 397,228 | $50,392,344 | $34,991,815 | -$15,400,529 | -30.56% | |
| Jpmorgan Chase & Co | 0.00% | 392,250 | $49,705,761 | $34,553,303 | -$15,152,459 | -30.48% | |
| Royce & Associates Lp | 0.39% | 385,198 | $48,866,218 | $33,932,092 | -$14,934,126 | -30.56% | |
| American Capital Management Inc | 2.13% | 375,178 | $47,595,081 | $33,049,430 | -$14,545,651 | -30.56% | |
| Goldman Sachs Group Inc | 0.00% | 368,608 | $46,761,683 | $32,470,679 | -$14,291,004 | -30.56% | |
| Sei Investments Co | 0.04% | 365,700 | $46,392,603 | $32,214,513 | -$14,178,090 | -30.56% | |
| Champlain Investment Partners, Llc | 1.18% | 361,641 | $45,877,777 | $31,856,956 | -$14,020,821 | -30.56% | |
| Impax Asset Management Group Plc | 0.28% | 343,165 | $43,533,851 | $30,229,405 | -$13,304,446 | -30.56% | |
| Amundi | 0.01% | 338,393 | $42,951,673 | $29,809,039 | -$13,142,634 | -30.60% | |
| Nomura Asset Management International Inc. | 0.06% | 326,523 | $41,423,000 | $28,763,411 | -$12,659,589 | -30.56% | |
| D. E. Shaw & Co., Inc. | 0.02% | 313,228 | $39,736,104 | $27,592,255 | -$12,143,849 | -30.56% | |
| Envestnet Asset Management Inc | 0.01% | 293,694 | $37,258,082 | $25,871,504 | -$11,386,578 | -30.56% | |
| Federated Hermes, Inc. | 0.05% | 283,669 | $35,986,249 | $24,988,402 | -$10,997,847 | -30.56% | |
| Grantham, Mayo, Van Otterloo & Co. Llc | 0.07% | 258,348 | $32,774,027 | $22,757,875 | -$10,016,152 | -30.56% | |
| Wcm Investment Management, Llc | 0.06% | 255,888 | $32,167,680 | $22,541,174 | -$9,626,506 | -29.93% |
Frequently asked questions about AAON
Who owns the most AAON stock?
The largest holders of AAON are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for AAON INC (AAON).
Is AAON widely held by superinvestors?
Many widely followed stocks like AAON appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly AAON is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.