Bank of Montreal’s Applied Optoelectronics AAOI Stock Holding History

Bank of Montreal’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
2023 Q4	–	Sell	-20,600	Closed	-$203K	–	3943
2023 Q3	$203K	Buy	+20,600	New	+$219K	﹤0.01%	3056
2021 Q2	–	Sell	-2,500	Closed	-$21K	–	3617
2021 Q1	$21K	Sell	2,500 -5,000	-67%	-$50.2K	﹤0.01%	4023
2020 Q4	$77K	Hold	7,500	–	–	﹤0.01%	3719
2020 Q3	$84K	Buy	+7,500	New	+$90.9K	﹤0.01%	3175
2020 Q1	–	Sell	-115,500	Closed	-$1.37M	–	4038
2019 Q4	$1.37M	Hold	115,500	–	–	﹤0.01%	2075
2019 Q3	$1.3M	Sell	115,500 -27,600	-19%	-$277K	﹤0.01%	1954
2019 Q2	$1.47M	Buy	143,100 +96,400	+206%	+$1.03M	﹤0.01%	1867
2019 Q1	$570K	Buy	+46,700	New	+$704K	﹤0.01%	2240
2018 Q4	–	Sell	-13,100	Closed	-$323K	–	4642
2018 Q3	$323K	Sell	13,100 -34,000	-72%	-$1.33M	﹤0.01%	2527
2018 Q2	$2.12M	Sell	47,100 -57,000	-55%	-$2.03M	﹤0.01%	1624
2018 Q1	$2.61M	Buy	104,100 +98,900	+1,902%	+$3.08M	﹤0.01%	1448
2017 Q4	$197K	Sell	5,200 -15,800	-75%	-$697K	﹤0.01%	2686
2017 Q3	$1.36M	Sell	21,000 -45,100	-68%	-$3.19M	﹤0.01%	1817
2017 Q2	$4.08M	Buy	+66,100	New	+$3.86M	﹤0.01%	1251

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

Bank of Montreal's AAOI Position: Q2 2026 in Review

Bank of Montreal increased its Applied Optoelectronics (AAOI) stake by 14% in Q2 2026, buying an estimated $419K and bringing the position to 20,622 shares worth $3.06M. The position accounts for ﹤0.01% of the portfolio, ranked #1557.

Bank of Montreal first reported a position in AAOI in Q2 2014 and has held it in 33 quarters since. The position peaked at $9.15M in Q2 2018. 483 funds tracked by Wall St. Rank hold AAOI as of Q2 2026.

Bank of Montreal held 20,622 shares of Applied Optoelectronics worth $3.06M as of Q2 2026.
Bank of Montreal bought 2,579 Applied Optoelectronics shares in Q2 2026, an estimated $419K.
Applied Optoelectronics made up ﹤0.01% of Bank of Montreal's portfolio in Q2 2026, its #1557 holding.
Bank of Montreal first reported a position in Applied Optoelectronics in Q2 2014 and has held it in 33 quarters since.
Bank of Montreal's Applied Optoelectronics position peaked at $9.15M in Q2 2018.
483 funds tracked by Wall St. Rank held Applied Optoelectronics as of Q2 2026.

Based on Bank of Montreal's 13F filing for Q2 2026, filed 12 Aug 2026.