Ken Griffin
CMPS

Ken Griffin’s Compass Pathways CMPS Stock Holding History

Ken Griffin’s Portfolio CMPS Stock Details CMPS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$1.49M Sell
269,489
-41,999
-13% -$282K ﹤0.01% 6721
2025
Q4 		$2.15M Buy
+311,488
New +$1.9M ﹤0.01% 5769
2025
Q3 		– Sell
-132,902
Closed -$597K – 12902
2025
Q2 		$372K Sell
132,902
-612,545
-82% -$2.31M ﹤0.01% 9316
2025
Q1 		$2.13M Sell
745,447
-360,229
-33% -$1.38M ﹤0.01% 5411
2024
Q4 		$4.18M Sell
1,105,676
-4,308,900
-80% -$21.8M ﹤0.01% 4260
2024
Q3 		$34.1M Buy
5,414,576
+1,746,360
+48% +$12.3M 0.01% 1550
2024
Q2 		$22.2M Sell
3,668,216
-188,108
-5% -$1.48M ﹤0.01% 1891
2024
Q1 		$32.1M Buy
3,856,324
+2,291,324
+146% +$23.1M 0.01% 1599
2023
Q4 		$13.7M Sell
1,565,000
-856
-0.1% -$5.54K ﹤0.01% 2446
2023
Q3 		$11.6M Buy
+1,565,856
New +$13.9M ﹤0.01% 2498
2023
Q2 		– Sell
-8,918
Closed -$75.7K – 14433
2023
Q1 		$88.6K Sell
8,918
-167,172
-95% -$1.54M ﹤0.01% 11432
2022
Q4 		$1.41M Buy
176,090
+30,181
+21% +$303K ﹤0.01% 6159
2022
Q3 		$1.57M Sell
145,909
-90,868
-38% -$1.36M ﹤0.01% 6065
2022
Q2 		$2.56M Sell
236,777
-13,457
-5% -$136K ﹤0.01% 5049
2022
Q1 		$3.23M Sell
250,234
-232,163
-48% -$3.46M ﹤0.01% 5023
2021
Q4 		$10.7M Buy
482,397
+421,726
+695% +$13.4M ﹤0.01% 2975
2021
Q3 		$1.81M Sell
60,671
-11,075
-15% -$372K ﹤0.01% 6612
2021
Q2 		$2.74M Sell
71,746
-37,709
-34% -$1.35M ﹤0.01% 5827
2021
Q1 		$4.03M Buy
109,455
+28,584
+35% +$1.25M ﹤0.01% 4745
2020
Q4 		$3.85M Sell
80,871
-205,283
-72% -$8.75M ﹤0.01% 4138
2020
Q3 		$9.99M Buy
+286,154
New +$10.3M ﹤0.01% 2301

Other funds holding CMPS

DTC
Deep Track Capital Greenwich, Connecticut $6.12B AUM 144% 1-Year Est. Return
RI
RTW Investments New York $10B AUM 135.35% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return
TCM
Tang Capital Management San Diego, California $1.97B AUM 125.1% 1-Year Est. Return
BC
BIT Capital Berlin, Germany $3.38B AUM 214.12% 1-Year Est. Return
AIM
ARK Investment Management St. Petersburg, Florida $12.9B AUM 64.92% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
GC
GMT Capital Atlanta, Georgia $2.19B AUM 72.3% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return
DCM
DAFNA Capital Management Los Angeles, California $440M AUM 109.12% 1-Year Est. Return

Ken Griffin's CMPS Position: Q1 2026 in Review

Ken Griffin reduced its Compass Pathways (CMPS) stake by 13% in Q1 2026, selling an estimated $282K and leaving 269,489 shares worth $1.49M. The position accounts for ﹤0.01% of the portfolio, ranked #6721.

Ken Griffin first reported a position in CMPS in Q3 2020 and has held it in 21 quarters since. The position peaked at $34.1M in Q3 2024. 194 funds tracked by Wall St. Rank hold CMPS as of Q1 2026.

  • Ken Griffin held 269,489 shares of Compass Pathways worth $1.49M as of Q1 2026.
  • Ken Griffin sold 41,999 Compass Pathways shares in Q1 2026, an estimated $282K.
  • Compass Pathways made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #6721 holding.
  • Ken Griffin first reported a position in Compass Pathways in Q3 2020 and has held it in 21 quarters since.
  • Ken Griffin's Compass Pathways position peaked at $34.1M in Q3 2024.
  • 194 funds tracked by Wall St. Rank held Compass Pathways as of Q1 2026.

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