Scientech Research LLC’s Applied Optoelectronics AAOI Stock Holding History

Scientech Research LLC’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 Q1	–	Sell	-5,938	Closed	-$207K	–	451
2025 Q4	$207K	Buy	+5,938	New	+$177K	0.13%	324
2025 Q3	–	Sell	-11,775	Closed	-$303K	–	551
2025 Q2	$303K	Buy	+11,775	New	+$191K	0.07%	449
2025 Q1	–	Sell	-16,000	Closed	-$590K	–	542
2024 Q4	$590K	Sell	16,000 -6,132	-28%	-$165K	0.17%	240
2024 Q3	$317K	Buy	+22,132	New	+$229K	0.06%	471

Other funds holding AAOI

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

OAM

Oberweis Asset Management Lisle, Illinois $3.39B AUM 105.5% 1-Year Est. Return

Jane Street New York $777B AUM 61.18% 1-Year Est. Return

D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Scientech Research LLC's AAOI Position: Q1 2026 in Review

Scientech Research LLC sold out of Applied Optoelectronics (AAOI) in Q1 2026, closing a stake of 5,938 shares — an estimated $207K sold.

Scientech Research LLC first reported a position in AAOI in Q3 2024 and held it in 4 quarters. The position peaked at $590K in Q4 2024. 375 funds tracked by Wall St. Rank hold AAOI as of Q1 2026.

Scientech Research LLC reported no remaining Applied Optoelectronics position as of Q1 2026 after selling out during the quarter.
Scientech Research LLC sold 5,938 Applied Optoelectronics shares in Q1 2026, an estimated $207K.
Scientech Research LLC first reported a position in Applied Optoelectronics in Q3 2024 and held it in 4 quarters.
Scientech Research LLC's Applied Optoelectronics position peaked at $590K in Q4 2024.
375 funds tracked by Wall St. Rank held Applied Optoelectronics as of Q1 2026.

Based on Scientech Research LLC's 13F filing for Q1 2026, filed 15 May 2026.