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Oberweis Asset Management’s Applied Optoelectronics AAOI Stock Holding History

Oberweis Asset Management’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 		$265M Sell
1,791,127
-558,842
-24% -$90.8M 5.48% 2
2026
Q1 		$199M Buy
2,349,969
+310,328
+15% +$19.8M 5.87% 1
2025
Q4 		$71.1M Buy
2,039,641
+151,600
+8% +$4.53M 2.6% 3
2025
Q3 		$49M Hold
1,888,041
– – 1.87% 6
2025
Q2 		$48.5M Buy
1,888,041
+503,200
+36% +$8.14M 2.11% 3
2025
Q1 		$21.3M Buy
1,384,841
+889,026
+179% +$22.4M 1.06% 26
2024
Q4 		$18.3M Sell
495,815
-370,100
-43% -$9.96M 0.86% 33
2024
Q3 		$12.4M Hold
865,915
– – 0.63% 54
2024
Q2 		$7.18M Buy
865,915
+16,300
+2% +$179K 0.44% 85
2024
Q1 		$11.8M Sell
849,615
-42,300
-5% -$713K 0.85% 33
2023
Q4 		$17.2M Buy
891,915
+423,500
+90% +$5.53M 1.61% 8
2023
Q3 		$5.14M Buy
+468,415
New +$4.97M 0.55% 65
2017
Q3 		– Sell
-245,860
Closed -$15.2M – 166
2017
Q2 		$15.2M Buy
245,860
+111,750
+83% +$6.53M 4.17% 2
2017
Q1 		$7.53M Buy
134,110
+78,010
+139% +$3.08M 2.22% 9
2016
Q4 		$1.31M Buy
56,100
+6,000
+12% +$139K 0.39% 50
2016
Q3 		$1.11M Buy
+50,100
New +$776K 0.32% 54

Other funds holding AAOI

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
MG
Marex Group London $23.6B AUM 57.16% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
Geode Capital Management
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
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Oberweis Asset Management's AAOI Position: Q2 2026 in Review

Oberweis Asset Management reduced its Applied Optoelectronics (AAOI) stake by 24% in Q2 2026, selling an estimated $90.8M and leaving 1,791,127 shares worth $265M. The position accounts for 5.48% of the portfolio, ranked #2.

Oberweis Asset Management first reported a position in AAOI in Q3 2016 and has held it in 16 quarters since. 481 funds tracked by Wall St. Rank hold AAOI as of Q2 2026.

  • Oberweis Asset Management held 1,791,127 shares of Applied Optoelectronics worth $265M as of Q2 2026.
  • Oberweis Asset Management sold 558,842 Applied Optoelectronics shares in Q2 2026, an estimated $90.8M.
  • Applied Optoelectronics made up 5.48% of Oberweis Asset Management's portfolio in Q2 2026, its #2 holding.
  • Oberweis Asset Management first reported a position in Applied Optoelectronics in Q3 2016 and has held it in 16 quarters since.
  • 481 funds tracked by Wall St. Rank held Applied Optoelectronics as of Q2 2026.

Based on Oberweis Asset Management's 13F filing for Q2 2026, filed 14 Aug 2026.