SEI Investments’s Applied Optoelectronics AAOI Stock Holding History

SEI Investments’s Portfolio AAOI Stock Details AAOI Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$13.3M	Sell	89,584 -69,287	-44%	-$11.3M	0.01%	989
2026 Q1	$13.4M	Buy	158,871 +35,220	+28%	+$2.25M	0.01%	976
2025 Q4	$4.31M	Buy	+123,651	New	+$3.69M	﹤0.01%	1442
2025 Q1	–	Sell	-14,707	Closed	-$542K	–	2758
2024 Q4	$542K	Buy	+14,707	New	+$396K	﹤0.01%	2161
2024 Q3	–	Sell	-23,425	Closed	-$194K	–	2676
2024 Q2	$194K	Buy	+23,425	New	+$258K	﹤0.01%	2460
2023 Q4	–	Sell	-28,358	Closed	-$311K	–	2606
2023 Q3	$311K	Buy	+28,358	New	+$301K	﹤0.01%	2294
2018 Q3	–	Sell	-49	Closed	-$2K	–	2503
2018 Q2	$2K	Buy	49 +19	+63%	+$675	﹤0.01%	3322
2018 Q1	$1K	Buy	+30	New	+$933	﹤0.01%	3299
2017 Q4	–	Sell	-1,295	Closed	-$84K	–	3324
2017 Q3	$84K	Buy	+1,295	New	+$91.5K	﹤0.01%	2134

Other funds holding AAOI

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

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Marex Group London $23.6B AUM 57.16% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

OAM

Oberweis Asset Management Lisle, Illinois $4.84B AUM 160.95% 1-Year Est. Return

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

VARA

Value Aligned Research Advisors Princeton, New Jersey $40.1B AUM 376.19% 1-Year Est. Return

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

SEI Investments's AAOI Position: Q2 2026 in Review

SEI Investments reduced its Applied Optoelectronics (AAOI) stake by 44% in Q2 2026, selling an estimated $11.3M and leaving 89,584 shares worth $13.3M. The position accounts for 0.01% of the portfolio, ranked #989.

SEI Investments first reported a position in AAOI in Q3 2017 and has held it in 9 quarters since. The position peaked at $13.4M in Q1 2026. 481 funds tracked by Wall St. Rank hold AAOI as of Q2 2026.

SEI Investments held 89,584 shares of Applied Optoelectronics worth $13.3M as of Q2 2026.
SEI Investments sold 69,287 Applied Optoelectronics shares in Q2 2026, an estimated $11.3M.
Applied Optoelectronics made up 0.01% of SEI Investments's portfolio in Q2 2026, its #989 holding.
SEI Investments first reported a position in Applied Optoelectronics in Q3 2017 and has held it in 9 quarters since.
SEI Investments's Applied Optoelectronics position peaked at $13.4M in Q1 2026.
481 funds tracked by Wall St. Rank held Applied Optoelectronics as of Q2 2026.

Based on SEI Investments's 13F filing for Q2 2026, filed 14 Aug 2026.