Ken Griffin
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Ken Griffin’s Simulations Plus SLP Stock Holding History

Ken Griffin’s Portfolio SLP Stock Details SLP Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$2.26M Sell
191,401
-85,614
-31% -$1.26M ﹤0.01% 5831
2025
Q4 		$5.05M Sell
277,015
-75,570
-21% -$1.33M ﹤0.01% 4273
2025
Q3 		$5.31M Buy
352,585
+226,736
+180% +$3.3M ﹤0.01% 4253
2025
Q2 		$2.2M Buy
125,849
+29,161
+30% +$818K ﹤0.01% 5530
2025
Q1 		$2.37M Sell
96,688
-22,847
-19% -$692K ﹤0.01% 5203
2024
Q4 		$3.33M Buy
119,535
+118,154
+8,556% +$3.6M ﹤0.01% 4663
2024
Q3 		$44.2K Buy
1,381
+1,219
+752% +$45.1K ﹤0.01% 12046
2024
Q2 		$7.88K Sell
162
-53,813
-100% -$2.54M ﹤0.01% 13226
2024
Q1 		$2.22M Sell
53,975
-45,430
-46% -$1.86M ﹤0.01% 5330
2023
Q4 		$4.45M Buy
99,405
+38,515
+63% +$1.53M ﹤0.01% 3970
2023
Q3 		$2.54M Buy
60,890
+13,665
+29% +$620K ﹤0.01% 4787
2023
Q2 		$2.05M Sell
47,225
-54,461
-54% -$2.38M ﹤0.01% 5116
2023
Q1 		$4.47M Buy
101,686
+87,563
+620% +$3.51M ﹤0.01% 3997
2022
Q4 		$516K Sell
14,123
-34,241
-71% -$1.44M ﹤0.01% 8172
2022
Q3 		$2.35M Buy
48,364
+27,664
+134% +$1.62M ﹤0.01% 5289
2022
Q2 		$1.02M Sell
20,700
-8,738
-30% -$412K ﹤0.01% 6966
2022
Q1 		$1.5M Buy
29,438
+11,677
+66% +$501K ﹤0.01% 6725
2021
Q4 		$840K Sell
17,761
-27,374
-61% -$1.29M ﹤0.01% 8372
2021
Q3 		$1.78M Sell
45,135
-27,829
-38% -$1.27M ﹤0.01% 6667
2021
Q2 		$4.01M Buy
72,964
+66,470
+1,024% +$3.81M ﹤0.01% 4934
2021
Q1 		$410K Sell
6,494
-10,011
-61% -$735K ﹤0.01% 10120
2020
Q4 		$1.19M Buy
+16,505
New +$1.09M ﹤0.01% 6433
2020
Q2 		– Sell
-9,984
Closed -$439K – 10443
2020
Q1 		$349K Sell
9,984
-96,349
-91% -$3.22M ﹤0.01% 7069
2019
Q4 		$3.09M Buy
106,333
+75,806
+248% +$2.57M ﹤0.01% 3741
2019
Q3 		$1.06M Buy
+30,527
New +$1.08M ﹤0.01% 5509
2018
Q3 		– Sell
-11,049
Closed -$246K – 9649
2018
Q2 		$246K Buy
+11,049
New +$209K ﹤0.01% 7547

Other funds holding SLP

FLAM
First Light Asset Management Edina, Minnesota $1.12B AUM 114.45% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
First Eagle Investment Management
First Eagle Investment Management New York $59.9B AUM 27.01% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return
Rockefeller Capital Management
Rockefeller Capital Management New York $65.2B AUM 31.44% 1-Year Est. Return
TCM
Tributary Capital Management Omaha, Nebraska $1.22B AUM 44.12% 1-Year Est. Return
MIM
Meros Investment Management Dallas, Texas $231M AUM 35.94% 1-Year Est. Return
RA
Royce & Associates New York $10.1B AUM 42.88% 1-Year Est. Return

Ken Griffin's SLP Position: Q1 2026 in Review

Ken Griffin reduced its Simulations Plus (SLP) stake by 31% in Q1 2026, selling an estimated $1.26M and leaving 191,401 shares worth $2.26M. The position accounts for ﹤0.01% of the portfolio, ranked #5831.

Ken Griffin first reported a position in SLP in Q2 2018 and has held it in 26 quarters since. The position peaked at $5.31M in Q3 2025. 161 funds tracked by Wall St. Rank hold SLP as of Q1 2026.

  • Ken Griffin held 191,401 shares of Simulations Plus worth $2.26M as of Q1 2026.
  • Ken Griffin sold 85,614 Simulations Plus shares in Q1 2026, an estimated $1.26M.
  • Simulations Plus made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #5831 holding.
  • Ken Griffin first reported a position in Simulations Plus in Q2 2018 and has held it in 26 quarters since.
  • Ken Griffin's Simulations Plus position peaked at $5.31M in Q3 2025.
  • 161 funds tracked by Wall St. Rank held Simulations Plus as of Q1 2026.

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