Renaissance Technologies
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Renaissance Technologies’s Applied Optoelectronics AAOI Stock Holding History

Renaissance Technologies’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 		$47.8M Buy
+565,279
New +$36.1M 0.07% 338
2025
Q2 		– Sell
-359,879
Closed -$5.52M – 3523
2025
Q1 		$5.52M Buy
+359,879
New +$9.05M 0.01% 1371
2024
Q1 		– Sell
-26,400
Closed -$510K – 3658
2023
Q4 		$510K Sell
26,400
-841,179
-97% -$11M ﹤0.01% 2762
2023
Q3 		$9.52M Buy
867,579
+587,479
+210% +$6.23M 0.02% 950
2023
Q2 		$1.67M Buy
280,100
+68,100
+32% +$179K ﹤0.01% 2115
2023
Q1 		$469K Buy
212,000
+17,800
+9% +$43.6K ﹤0.01% 2917
2022
Q4 		$367K Sell
194,200
-10,700
-5% -$25.4K ﹤0.01% 3125
2022
Q3 		$557K Sell
204,900
-103,379
-34% -$233K ﹤0.01% 2867
2022
Q2 		$478K Buy
308,279
+266,979
+646% +$654K ﹤0.01% 3186
2022
Q1 		$151K Sell
41,300
-28,883
-41% -$112K ﹤0.01% 3715
2021
Q4 		$361K Buy
+70,183
New +$448K ﹤0.01% 3254
2021
Q2 		– Sell
-407,200
Closed -$3.4M – 3407
2021
Q1 		$3.4M Buy
407,200
+157,400
+63% +$1.58M ﹤0.01% 1890
2020
Q4 		$2.13M Buy
+249,800
New +$2.28M ﹤0.01% 2082
2020
Q3 		– Sell
-78,200
Closed -$850K – 3334
2020
Q2 		$850K Buy
+78,200
New +$717K ﹤0.01% 2626
2020
Q1 		– Sell
-63,200
Closed -$751K – 3404
2019
Q4 		$751K Buy
+63,200
New +$674K ﹤0.01% 2751
2019
Q3 		– Sell
-87,400
Closed -$898K – 3395
2019
Q2 		$898K Buy
87,400
+22,300
+34% +$238K ﹤0.01% 2728
2019
Q1 		$794K Buy
+65,100
New +$982K ﹤0.01% 2767
2017
Q2 		– Sell
-514,000
Closed -$28.9M – 3167
2017
Q1 		$28.9M Buy
514,000
+339,900
+195% +$13.4M 0.04% 588
2016
Q4 		$4.08M Buy
+174,100
New +$4.03M 0.01% 1797
2016
Q2 		– Sell
-64,500
Closed -$962K – 3302
2016
Q1 		$962K Buy
64,500
+23,800
+58% +$379K ﹤0.01% 2619
2015
Q4 		$698K Sell
40,700
-77,000
-65% -$1.4M ﹤0.01% 2608
2015
Q3 		$2.21M Buy
+117,700
New +$2.29M 0.01% 1935

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

Renaissance Technologies's AAOI Position: Q1 2026 in Review

Renaissance Technologies opened a new position in Applied Optoelectronics (AAOI) in Q1 2026: 565,279 shares worth $47.8M. The stake represents 0.07% of the portfolio and ranks #338 among its holdings. This is a return to the name: Renaissance Technologies previously reported a position in AAOI as recently as Q1 2025.

Renaissance Technologies first reported a position in AAOI in Q3 2015 and has held it in 22 quarters since. 375 funds tracked by Wall St. Rank hold AAOI as of Q1 2026.

  • Renaissance Technologies held 565,279 shares of Applied Optoelectronics worth $47.8M as of Q1 2026.
  • Applied Optoelectronics was a new Renaissance Technologies position in Q1 2026.
  • Applied Optoelectronics made up 0.07% of Renaissance Technologies's portfolio in Q1 2026, its #338 holding.
  • Renaissance Technologies first reported a position in Applied Optoelectronics in Q3 2015 and has held it in 22 quarters since.
  • 375 funds tracked by Wall St. Rank held Applied Optoelectronics as of Q1 2026.

Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.