Brown Advisory’s Aaon AAON Stock Holding History

Brown Advisory’s Portfolio AAON Stock Details AAON Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$62.1M	Sell	489,527 -183,322	-27%	-$21.5M	0.1%	163
2026 Q1	$55.7M	Sell	672,849 -112,292	-14%	-$10.2M	0.09%	167
2025 Q4	$59.9M	Sell	785,141 -42,899	-5%	-$3.96M	0.08%	179
2025 Q3	$77.4M	Buy	828,040 +112,582	+16%	+$9.22M	0.1%	146
2025 Q2	$52.8M	Buy	715,458 +188,383	+36%	+$16.5M	0.07%	192
2025 Q1	$41.2M	Buy	+527,075	New	+$54.4M	0.06%	211
2019 Q2	–	Sell	-90,773	Closed	-$2.79M	–	1026
2019 Q1	$2.79M	Sell	90,773 -5,925	-6%	-$156K	0.01%	562
2018 Q4	$2.26M	Sell	96,698 -24,382	-20%	-$586K	0.01%	570
2018 Q3	$3.05M	Hold	121,080	–	–	0.01%	551
2018 Q2	$2.68M	Buy	+121,080	New	+$2.66M	0.01%	565

Other funds holding AAON

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Wasatch Advisors Salt Lake City, Utah $15.3B AUM 25.06% 1-Year Est. Return

First Trust Advisors Wheaton, Illinois $170B AUM 46.21% 1-Year Est. Return

William Blair & Company Chicago, Illinois $38.4B AUM 25.71% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Brown Advisory's AAON Position: Q2 2026 in Review

Brown Advisory reduced its Aaon (AAON) stake by 27% in Q2 2026, selling an estimated $21.5M and leaving 489,527 shares worth $62.1M. The position accounts for 0.1% of the portfolio, ranked #163.

Brown Advisory first reported a position in AAON in Q2 2018 and has held it in 10 quarters since. The position peaked at $77.4M in Q3 2025. 474 funds tracked by Wall St. Rank hold AAON as of Q2 2026.

Brown Advisory held 489,527 shares of Aaon worth $62.1M as of Q2 2026.
Brown Advisory sold 183,322 Aaon shares in Q2 2026, an estimated $21.5M.
Aaon made up 0.1% of Brown Advisory's portfolio in Q2 2026, its #163 holding.
Brown Advisory first reported a position in Aaon in Q2 2018 and has held it in 10 quarters since.
Brown Advisory's Aaon position peaked at $77.4M in Q3 2025.
474 funds tracked by Wall St. Rank held Aaon as of Q2 2026.

Based on Brown Advisory's 13F filing for Q2 2026, filed 14 Aug 2026.