Data from public SEC 13F & STOCK Act filings, delayed up to ~45 days, partial holdings only — for research, not investment advice.
CEG
CONSTELLATION ENERGYData as of 2026 Q1 (03-31) · 13F snapshot
Summary
CONSTELLATION ENERGY (CEG) is held by 14 tracked hedge-fund managers, a combined reported value of ~$3.26B; the largest are Philippe Laffont, Stephen Mandel, Ken Griffin. This quarter: 3 added, 2 trimmed, 1 closed. 15 members of Congress have disclosed STOCK Act trades. Data as of 2026 Q1, from public SEC 13F filings, delayed up to ~45 days.
Attention · HighThis quarter · Mixed
Gurus holding14
Congress trades15
Price$253.76vs quarter-end-9.13%
Sectors2
This quarter's moves
Top holderPhilippe LaffontNew0
Added3
Trimmed / sold3
Philippe LaffontTrim
Value $1.29B4.5% of portfolio4,632,4752026 Q1
Stephen MandelTrim
Value $388.70M2.9% of portfolio1,737,5262024 Q4
Value $375.40M— of portfolio1,344,3002026 Q1
Value $279.11M— of portfolio999,5002026 Q1
Dan LoebNew large stake
Value $167.80M2.3% of portfolio475,0002025 Q4
Value $95.31M0.4% of portfolio1,041,0722023 Q2
Value $76.63M— of portfolio274,4002026 Q1
Value $50.35M— of portfolio180,3002026 Q1
David TepperTrim
Value $45.77M0.8% of portfolio500,0002023 Q2
Value $39.23M— of portfolio140,5002026 Q1
Value $36.05M— of portfolio180,0002024 Q2
Value $2.43M— of portfolio8,7002026 Q1
| Investor | Value | % of portfolio | Action |
|---|---|---|---|
| Philippe Laffont | $1.29B | 4.5% | Trim |
| Stephen Mandel | $388.70M | 2.9% | Trim |
| Ken GriffinPUT | $375.40M | — | — |
| Ken GriffinCALL | $279.11M | — | — |
| Dan Loeb | $167.80M | 2.3% | New large stake |
| Andreas Halvorsen | $95.31M | 0.4% | Trim |
| Izzy EnglanderPUT | $76.63M | — | — |
| Izzy EnglanderCALL | $50.35M | — | — |
| David Tepper | $45.77M | 0.8% | Trim |
| Steven CohenCALL | $39.23M | — | — |
| Howard MarksPUT | $36.05M | — | — |
| Steven CohenPUT | $2.43M | — | — |