Ken Griffin
CEG icon

Ken Griffin’s Constellation Energy CEG Stock Holding History

Ken Griffin’s Portfolio CEG Stock Details CEG Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$114M Buy
408,686
+130,153
+47% +$39.6M 0.02% 733
2025
Q4 		$98.4M Buy
278,533
+180,726
+185% +$65.7M 0.01% 879
2025
Q3 		$32.2M Buy
97,807
+41,142
+73% +$13.3M ﹤0.01% 1805
2025
Q2 		$18.3M Sell
56,665
-299,653
-84% -$79.3M ﹤0.01% 2253
2025
Q1 		$71.8M Buy
356,318
+58,438
+20% +$15.7M 0.01% 884
2024
Q4 		$66.6M Buy
297,880
+42,347
+17% +$10.6M 0.01% 1028
2024
Q3 		$66.4M Sell
255,533
-84,195
-25% -$16.7M 0.01% 989
2024
Q2 		$68M Buy
339,728
+195,918
+136% +$40M 0.01% 910
2024
Q1 		$26.6M Sell
143,810
-81,211
-36% -$11.5M 0.01% 1790
2023
Q4 		$26.3M Buy
225,021
+163,592
+266% +$19.1M 0.01% 1748
2023
Q3 		$6.7M Buy
61,429
+13,746
+29% +$1.42M ﹤0.01% 3225
2023
Q2 		$4.37M Sell
47,683
-1,306,536
-96% -$108M ﹤0.01% 3850
2023
Q1 		$106M Buy
1,354,219
+1,224,050
+940% +$99M 0.02% 591
2022
Q4 		$11.2M Sell
130,169
-444,372
-77% -$40M ﹤0.01% 2663
2022
Q3 		$47.8M Sell
574,541
-153,935
-21% -$11.3M 0.01% 1103
2022
Q2 		$41.7M Sell
728,476
-593,654
-45% -$35.7M 0.01% 1166
2022
Q1 		$74.4M Buy
+1,322,130
New +$64.5M 0.02% 824

Other funds holding CEG

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
EC
ECP ControlCo Summit, New Jersey $6.34B AUM 19.72% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Capital International Investors
Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Canada Pension Plan Investment Board
Canada Pension Plan Investment Board Toronto Ontario, Ontario, Canada $155B AUM 29.93% 1-Year Est. Return

Ken Griffin's CEG Position: Q1 2026 in Review

Ken Griffin increased its Constellation Energy (CEG) stake by 47% in Q1 2026, buying an estimated $39.6M and bringing the position to 408,686 shares worth $114M. The position accounts for 0.02% of the portfolio, ranked #733.

Ken Griffin first reported a position in CEG in Q1 2022 and has held it in 17 quarters since. 1,900 funds tracked by Wall St. Rank hold CEG as of Q1 2026.

  • Ken Griffin held 408,686 shares of Constellation Energy worth $114M as of Q1 2026.
  • Ken Griffin bought 130,153 Constellation Energy shares in Q1 2026, an estimated $39.6M.
  • Constellation Energy made up 0.02% of Ken Griffin's portfolio in Q1 2026, its #733 holding.
  • Ken Griffin first reported a position in Constellation Energy in Q1 2022 and has held it in 17 quarters since.
  • 1,900 funds tracked by Wall St. Rank held Constellation Energy as of Q1 2026.

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