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CEG · Constellation Energy Corp

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Market Cap
$105.92B
Shares
354.31M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 1,862
Total Value: $75,717,073,530
Total Shares: 304,914,501
Showing 1–100 of 1,958 holdings by value · page 1 of 20

Institutional Ownership Trend

19 quarters

Holder Concentration

Across 1,862 13F filers · Δ vs Mar 31, 2026
Top Holder
8.1%
Sep 2023 → Jun 2026 · range 8.0% – 14.7%
+0.1 pts
Top 5
31.2%
Sep 2023 → Jun 2026 · range 31.2% – 48.1%
−2.5 pts
Top 10
46.6%
Sep 2023 → Jun 2026 · range 46.6% – 65.4%
−2.7 pts
HHI
293
Sep 2023 → Jun 2026 · range 293 – 586
Broadly held−27

Quarterly Activity

vs Mar 31, 2026
New
180
Increased
831
Decreased
598
Sold Out
243
Unchanged
253
Holder count: -63
Institutional value: -8.0%
Shares held: +3.5%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 1,958
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1868275 CUSIP 21037T109 13F (30d) 943 filings 913 filers Visit website Investor relations