Ken Griffin
OUST icon

Ken Griffin’s Ouster OUST Stock Holding History

Ken Griffin’s Portfolio OUST Stock Details OUST Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$6.48M Sell
352,500
-81,600
-19% -$1.78M ﹤0.01% 3928
2025
Q4 		$9.39M Sell
434,100
-58,300
-12% -$1.54M ﹤0.01% 3331
2025
Q3 		$13.3M Buy
492,400
+193,000
+64% +$5.38M ﹤0.01% 2858
2025
Q2 		$7.26M Sell
299,400
-195,400
-39% -$2.38M ﹤0.01% 3498
2025
Q1 		$4.44M Buy
494,800
+128,600
+35% +$1.27M ﹤0.01% 4074
2024
Q4 		$4.47M Buy
366,200
+118,700
+48% +$1.04M ﹤0.01% 4134
2024
Q3 		$1.56M Buy
247,500
+133,100
+116% +$1.26M ﹤0.01% 5983
2024
Q2 		$1.12M Buy
114,400
+78,000
+214% +$789K ﹤0.01% 6353
2024
Q1 		$289K Buy
36,400
+23,135
+174% +$132K ﹤0.01% 9523
2023
Q4 		$102K Sell
13,265
-6,309
-32% -$33.1K ﹤0.01% 10920
2023
Q3 		$98.7K Buy
19,574
+1,600
+9% +$8.86K ﹤0.01% 10914
2023
Q2 		$88.8K Buy
17,974
+14,049
+358% +$73.4K ﹤0.01% 11103
2023
Q1 		$32.8K Buy
3,925
+3,375
+614% +$39.1K ﹤0.01% 12639
2022
Q4 		$4.75K Buy
+550
New +$5.99K ﹤0.01% 14069
2022
Q2 		– Sell
-1,670
Closed -$75K – 13769
2022
Q1 		$75K Sell
1,670
-1,380
-45% -$50.9K ﹤0.01% 12524
2021
Q4 		$159K Sell
3,050
-4,990
-62% -$324K ﹤0.01% 12193
2021
Q3 		$589K Buy
8,040
+1,870
+30% +$172K ﹤0.01% 9471
2021
Q2 		$771K Buy
6,170
+3,270
+113% +$349K ﹤0.01% 9043
2021
Q1 		$247K Buy
+2,900
New +$359K ﹤0.01% 11262

Other funds holding OUST

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
PCM
Penn Capital Management Philadelphia, Pennsylvania $1.58B AUM 81.2% 1-Year Est. Return
TCM
Tao Capital Management San Francisco, California $119M AUM 87.46% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Ken Griffin's OUST Position: Q1 2026 in Review

Ken Griffin reduced its Ouster (OUST) stake by 31% in Q1 2026, selling an estimated $2.17M and leaving 217,473 shares worth $3.99M. The position accounts for ﹤0.01% of the portfolio, ranked #4713.

Ken Griffin first reported a position in OUST in Q4 2020 and has held it in 22 quarters since. The position peaked at $12.7M in Q2 2025. 228 funds tracked by Wall St. Rank hold OUST as of Q1 2026.

  • Ken Griffin held 217,473 shares of Ouster worth $3.99M as of Q1 2026.
  • Ken Griffin sold 99,685 Ouster shares in Q1 2026, an estimated $2.17M.
  • Ouster made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #4713 holding.
  • Ken Griffin first reported a position in Ouster in Q4 2020 and has held it in 22 quarters since.
  • Ken Griffin's Ouster position peaked at $12.7M in Q2 2025.
  • 228 funds tracked by Wall St. Rank held Ouster as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.