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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
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 $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Jane Street
Jane Street New York $777B AUM 61.18% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return
Invesco
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
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
HRCM
Hood River Capital Management Palm Beach Gardens, Florida $9.98B AUM 145.42% 1-Year Est. Return

Oberweis Asset Management's AAOI Position: Q1 2026 in Review

Oberweis Asset Management increased its Applied Optoelectronics (AAOI) stake by 15% in Q1 2026, buying an estimated $19.8M and bringing the position to 2,349,969 shares worth $199M. The position accounts for 5.87% of the portfolio, ranked #1.

Oberweis Asset Management first reported a position in AAOI in Q3 2016 and has held it in 15 quarters since. 375 funds tracked by Wall St. Rank hold AAOI as of Q1 2026.

  • Oberweis Asset Management held 2,349,969 shares of Applied Optoelectronics worth $199M as of Q1 2026.
  • Oberweis Asset Management bought 310,328 Applied Optoelectronics shares in Q1 2026, an estimated $19.8M.
  • Applied Optoelectronics made up 5.87% of Oberweis Asset Management's portfolio in Q1 2026, its #1 holding.
  • Oberweis Asset Management first reported a position in Applied Optoelectronics in Q3 2016 and has held it in 15 quarters since.
  • 375 funds tracked by Wall St. Rank held Applied Optoelectronics as of Q1 2026.

Based on Oberweis Asset Management's 13F filing for Q1 2026, filed 15 May 2026.