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Sienna Gestion’s Constellation Energy CEG Stock Holding History

Sienna Gestion’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
Q2 		$908K Buy
+3,461
New +$975K 0.05% 122
2026
Q1 		– Sell
-24,560
Closed -$8.73M – 141
2025
Q4 		$8.73M Hold
24,560
– – 0.52% 66
2025
Q3 		$7.37M Buy
+24,560
New +$7.93M 0.51% 67

Other funds holding CEG

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
EC
ECP ControlCo Summit, New Jersey $4.67B AUM 13.65% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Sienna Gestion's CEG Position: Q2 2026 in Review

Sienna Gestion opened a new position in Constellation Energy (CEG) in Q2 2026: 3,461 shares worth $908K. The stake represents 0.05% of the portfolio and ranks #122 among its holdings. This is a return to the name: Sienna Gestion previously reported a position in CEG as recently as Q4 2025.

Sienna Gestion first reported a position in CEG in Q3 2025 and has held it in 3 quarters since. The position peaked at $8.73M in Q4 2025. 1,860 funds tracked by Wall St. Rank hold CEG as of Q2 2026.

  • Sienna Gestion held 3,461 shares of Constellation Energy worth $908K as of Q2 2026.
  • Constellation Energy was a new Sienna Gestion position in Q2 2026.
  • Constellation Energy made up 0.05% of Sienna Gestion's portfolio in Q2 2026, its #122 holding.
  • Sienna Gestion first reported a position in Constellation Energy in Q3 2025 and has held it in 3 quarters since.
  • Sienna Gestion's Constellation Energy position peaked at $8.73M in Q4 2025.
  • 1,860 funds tracked by Wall St. Rank held Constellation Energy as of Q2 2026.

Based on Sienna Gestion's 13F filing for Q2 2026, filed 13 Aug 2026.