VANGUARD GROUP INC
Rank #1
10.7%
- Shares
- 38.63M
- Change
- +205.71K
- Change %
- +54.00%
- Filing
- Dec 31, 2025
Increased
Methodology published · Market data, model notes, and corrections process are public · Data policy · Corrections policy
NASDAQ · UTILITIES · Holders
Constellation Energy Corp (CEG) Institutional Ownership & Insider Trading History
Top CEG institutional shareholders, filing changes, and Form 4 insider activity with filters for buys, sales, option exercises, gifts, and tax withholding.
Section freshness
Price Jun 25, 9:35 AM EDT · Statements Mar 30, 8:00 PM EDT
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Data freshness
Prices update fastest. Fundamentals, analyst data, and news update on their own schedules, so check these timestamps before comparing signals.
Price time means the latest available trade or regular-market close. Other times show when that section was checked or published.
PriceLive
Last traded •
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Fundamentalsevery 1 day
Provider checked •
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Analystevery 1 day
Provider checked •
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Newsevery 4 hr
Latest item •
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Ownership read
CEG insider sentiment: Net selling.
VANGUARD GROUP INC is the largest institutional holder. 8 sales and 0 purchases appear in the recent Form 4 filings. Use the filters below to separate real buying and selling from option exercises, gifts, awards, and tax withholding.
Insider flow
CEG
Purchases—
Sales356.28K
Directional bars ignore awards, gifts, conversions, and tax withholding rows.
Top holder
38.63M
VANGUARD GROUP INC
Insider stance
Net selling
$96.96M sold / — bought
Latest filing
Apr 28, 2026
Most recent holder or insider filing date
Filings shown
208
120 holder / 88 insider
- Holder rows
- 120
- Market data source
- Latest filing
- Apr 28, 2026
- Most recent holder or insider filing date
- Increased / initiated
- 85
- 35 decreased
- Insider rows
- 88
- Market data source
Top 120 institutional holders
Constellation Energy Corp (CEG) institutional ownership
Ranked by reported share count, with position changes and latest filing dates where ownership data supplies them.
BLACKROCK
Rank #2
6.53%
- Shares
- 23.51M
- Change
- +159.73K
- Change %
- +68.00%
- Filing
- Mar 31, 2026
Increased
ECP CONTROLCO
Rank #3
6.13%
- Shares
- 22.04M
- Change
- +22.04M
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
VANGUARD CAPITAL MANAGEMENT LLC
Rank #4
5.60%
- Shares
- 20.14M
- Change
- +20.14M
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
STATE STREET CORP
Rank #5
5.22%
- Shares
- 18.80M
- Change
- +310.50K
- Change %
- +1.68%
- Filing
- Mar 31, 2026
Increased
VANGUARD PORTFOLIO MANAGEMENT LLC
Rank #6
4.17%
- Shares
- 15.01M
- Change
- +15.01M
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
CAPITAL INTERNATIONAL INVESTORS
Rank #7
3.23%
- Shares
- 11.61M
- Change
- -5.20M
- Change %
- -30.95%
- Filing
- Mar 31, 2026
Decreased
FMR LLC
Rank #8
2.83%
- Shares
- 10.18M
- Change
- -4.18M
- Change %
- -29.12%
- Filing
- Mar 31, 2026
Decreased
MORGAN STANLEY
Rank #9
2.47%
- Shares
- 8.90M
- Change
- +848.55K
- Change %
- +10.54%
- Filing
- Mar 31, 2026
Increased
CANADA PENSION PLAN INVESTMENT BOARD
Rank #10
2.13%
- Shares
- 7.67M
- Change
- +7.53M
- Change %
- +5330.43%
- Filing
- Mar 31, 2026
Increased
GEODE CAPITAL MANAGEMENT
Rank #11
2.03%
- Shares
- 7.29M
- Change
- +224.96K
- Change %
- +3.18%
- Filing
- Mar 31, 2026
Increased
JENNISON ASSOCIATES LLC
Rank #12
1.84%
- Shares
- 6.60M
- Change
- -375.79K
- Change %
- -5.38%
- Filing
- Mar 31, 2026
Decreased
PRICE T ROWE ASSOCIATES INC
Rank #13
1.52%
- Shares
- 5.47M
- Change
- +2.53M
- Change %
- +85.79%
- Filing
- Mar 31, 2026
Increased
CAPITAL RESEARCH GLOBAL INVESTORS
Rank #14
1.33%
- Shares
- 4.79M
- Change
- +2.91M
- Change %
- +155.06%
- Filing
- Mar 31, 2026
Increased
COATUE MANAGEMENT LLC
Rank #15
1.29%
- Shares
- 4.63M
- Change
- -1.27M
- Change %
- -21.58%
- Filing
- Mar 31, 2026
Decreased
WELLS FARGO & COMPANY
Rank #16
1.20%
- Shares
- 4.32M
- Change
- +165.87K
- Change %
- +3.99%
- Filing
- Mar 31, 2026
Increased
NORGES BANK
Rank #17
1.15%
- Shares
- 4.14M
- Change
- -71.18K
- Change %
- -1.69%
- Filing
- Dec 31, 2025
Decreased
CAPITAL WORLD INVESTORS
Rank #18
1.11%
- Shares
- 3.98M
- Change
- +1.63M
- Change %
- +69.58%
- Filing
- Mar 31, 2026
Increased
BANK OF NEW YORK MELLON CORP
Rank #19
1.01%
- Shares
- 3.63M
- Change
- +276.12K
- Change %
- +8.23%
- Filing
- Mar 31, 2026
Increased
INVESCO LTD.
Rank #20
1.01%
- Shares
- 3.62M
- Change
- -12.89K
- Change %
- -35.00%
- Filing
- Mar 31, 2026
Decreased
| # | Institution | % held | Shares | Change | Change % | Filing date |
|---|---|---|---|---|---|---|
| 1 | 10.7% | 38.63M | +205.71K Increased | +54.00% | Dec 31, 2025 | |
| 2 | 6.53% | 23.51M | +159.73K Increased | +68.00% | Mar 31, 2026 | |
| 3 | ECP CONTROLCO | 6.13% | 22.04M | +22.04M Initiated | — | Mar 31, 2026 |
| 4 | 5.60% | 20.14M | +20.14M Initiated | — | Mar 31, 2026 | |
| 5 | 5.22% | 18.80M | +310.50K Increased | +1.68% | Mar 31, 2026 | |
| 6 | 4.17% | 15.01M | +15.01M Initiated | — | Mar 31, 2026 | |
| 7 | CAPITAL INTERNATIONAL INVESTORS | 3.23% | 11.61M | -5.20M Decreased | -30.95% | Mar 31, 2026 |
| 8 | 2.83% | 10.18M | -4.18M Decreased | -29.12% | Mar 31, 2026 | |
| 9 | 2.47% | 8.90M | +848.55K Increased | +10.54% | Mar 31, 2026 | |
| 10 | CANADA PENSION PLAN INVESTMENT BOARD | 2.13% | 7.67M | +7.53M Increased | +5330.43% | Mar 31, 2026 |
| 11 | 2.03% | 7.29M | +224.96K Increased | +3.18% | Mar 31, 2026 | |
| 12 | 1.84% | 6.60M | -375.79K Decreased | -5.38% | Mar 31, 2026 | |
| 13 | 1.52% | 5.47M | +2.53M Increased | +85.79% | Mar 31, 2026 | |
| 14 | 1.33% | 4.79M | +2.91M Increased | +155.06% | Mar 31, 2026 | |
| 15 | COATUE MANAGEMENT LLC | 1.29% | 4.63M | -1.27M Decreased | -21.58% | Mar 31, 2026 |
| 16 | WELLS FARGO & COMPANY | 1.20% | 4.32M | +165.87K Increased | +3.99% | Mar 31, 2026 |
| 17 | 1.15% | 4.14M | -71.18K Decreased | -1.69% | Dec 31, 2025 | |
| 18 | 1.11% | 3.98M | +1.63M Increased | +69.58% | Mar 31, 2026 | |
| 19 | BANK OF NEW YORK MELLON CORP | 1.01% | 3.63M | +276.12K Increased | +8.23% | Mar 31, 2026 |
| 20 | 1.01% | 3.62M | -12.89K Decreased | -35.00% | Mar 31, 2026 |
Showing 20 of 120 matching institutional rows.Load more institutions
Recent insider transactions
Constellation Energy Corp (CEG) Form 4 filings
Action codes are translated so open-market buys and sales are separate from awards, gifts, conversions, and tax withholding.
Rimmer Nneka Louise
- Shares
- 4.47K
- % company
- <0.01%
- Price
- $305.71
- Value
- $1,368,052
Filed Apr 28, 2026
Paterson Eileen P.
- Shares
- 1.55K
- % company
- <0.01%
- Price
- $305.71
- Value
- $475,379
Filed Apr 28, 2026
Ashish Khandpur K
- Shares
- 6.26K
- % company
- <0.01%
- Price
- $305.71
- Value
- $1,912,827
Filed Apr 28, 2026
Harrington Charles L.
- Shares
- 1.55K
- % company
- <0.01%
- Price
- $305.71
- Value
- $475,379
Filed Apr 28, 2026
Jamil Dhiaa M.
- Shares
- 1.71K
- % company
- <0.01%
- Price
- $305.71
- Value
- $521,236
Filed Apr 28, 2026
Holzrichter Julie
- Shares
- 6.26K
- % company
- <0.01%
- Price
- $305.71
- Value
- $1,912,827
Filed Apr 28, 2026
Halverson Bradley M
- Shares
- 6.26K
- % company
- <0.01%
- Price
- $305.71
- Value
- $1,912,827
Filed Apr 28, 2026
DE BALMANN YVES C
- Shares
- 51.34K
- % company
- 0.01%
- Price
- $305.71
- Value
- $15,695,151
Filed Apr 28, 2026
LAWLESS ROBERT J
- Shares
- 51.34K
- % company
- 0.01%
- Price
- $305.71
- Value
- $15,695,151
Filed Apr 28, 2026
Richardson John M
- Shares
- 16.40K
- % company
- <0.01%
- Price
- $305.71
- Value
- $5,013,338
Filed Apr 28, 2026
Harrington Charles L.
- Shares
- 5.19K
- % company
- <0.01%
- Price
- $279.25
- Value
- $1,449,587
Filed Mar 31, 2026
Koehler Michael
- Shares
- —
- % company
- —
- Price
- No cash value
- Value
- No cash value
Filed Mar 1, 2026
Koehler Michael
- Shares
- 6.06K
- % company
- <0.01%
- Price
- No cash value
- Value
- No cash value
Filed Mar 1, 2026
Koehler Michael
- Shares
- 53.29K
- % company
- 0.01%
- Price
- $329.88
- Value
- $17,578,975
Filed Mar 1, 2026
Koehler Michael
- Shares
- 60.95K
- % company
- 0.02%
- Price
- No cash value
- Value
- No cash value
Filed Mar 1, 2026
Koehler Michael
- Shares
- —
- % company
- —
- Price
- No cash value
- Value
- No cash value
Filed Feb 9, 2026
Koehler Michael
- Shares
- 21.27K
- % company
- <0.01%
- Price
- No cash value
- Value
- No cash value
Filed Feb 9, 2026
Koehler Michael
- Shares
- 4.07K
- % company
- <0.01%
- Price
- No cash value
- Value
- No cash value
Filed Feb 9, 2026
Koehler Michael
- Shares
- 2.13K
- % company
- <0.01%
- Price
- No cash value
- Value
- No cash value
Filed Feb 9, 2026
Koehler Michael
- Shares
- 41.54K
- % company
- 0.01%
- Price
- $272.15
- Value
- $11,306,200
Filed Feb 9, 2026
Koehler Michael
- Shares
- 54.47K
- % company
- 0.02%
- Price
- $272.15
- Value
- $14,822,650
Filed Feb 9, 2026
Koehler Michael
- Shares
- 63.67K
- % company
- 0.02%
- Price
- No cash value
- Value
- No cash value
Filed Feb 9, 2026
Bauer Matthew N
- Shares
- —
- % company
- —
- Price
- No cash value
- Value
- No cash value
Filed Feb 9, 2026
Bauer Matthew N
- Shares
- 6.93K
- % company
- <0.01%
- Price
- No cash value
- Value
- No cash value
Filed Feb 9, 2026
Bauer Matthew N
- Shares
- 1.69K
- % company
- <0.01%
- Price
- No cash value
- Value
- No cash value
Filed Feb 9, 2026
Bauer Matthew N
- Shares
- 781
- % company
- <0.01%
- Price
- No cash value
- Value
- No cash value
Filed Feb 9, 2026
Bauer Matthew N
- Shares
- 5.72K
- % company
- <0.01%
- Price
- $272.15
- Value
- $1,558,059
Filed Feb 9, 2026
Bauer Matthew N
- Shares
- 9.63K
- % company
- <0.01%
- Price
- $272.15
- Value
- $2,621,077
Filed Feb 9, 2026
Bauer Matthew N
- Shares
- 13.07K
- % company
- <0.01%
- Price
- No cash value
- Value
- No cash value
Filed Feb 9, 2026
MCHUGH JAMES
- Shares
- —
- % company
- —
- Price
- No cash value
- Value
- No cash value
Filed Feb 9, 2026
MCHUGH JAMES
- Shares
- 29.44K
- % company
- <0.01%
- Price
- No cash value
- Value
- No cash value
Filed Feb 9, 2026
MCHUGH JAMES
- Shares
- 8.46K
- % company
- <0.01%
- Price
- No cash value
- Value
- No cash value
Filed Feb 9, 2026
| # | Insider | % company | Action | Shares | Price | Value | Filing date |
|---|---|---|---|---|---|---|---|
| 1 | Rimmer Nneka Louise | <0.01% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 4.47K | $305.71 | $1,368,052 | Apr 28, 2026 |
| 2 | Paterson Eileen P. | <0.01% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 1.55K | $305.71 | $475,379 | Apr 28, 2026 |
| 3 | Ashish Khandpur K | <0.01% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 6.26K | $305.71 | $1,912,827 | Apr 28, 2026 |
| 4 | Harrington Charles L. | <0.01% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 1.55K | $305.71 | $475,379 | Apr 28, 2026 |
| 5 | Jamil Dhiaa M. | <0.01% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 1.71K | $305.71 | $521,236 | Apr 28, 2026 |
| 6 | Holzrichter Julie | <0.01% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 6.26K | $305.71 | $1,912,827 | Apr 28, 2026 |
| 7 | Halverson Bradley M | <0.01% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 6.26K | $305.71 | $1,912,827 | Apr 28, 2026 |
| 8 | DE BALMANN YVES C | 0.01% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 51.34K | $305.71 | $15,695,151 | Apr 28, 2026 |
| 9 | LAWLESS ROBERT J | 0.01% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 51.34K | $305.71 | $15,695,151 | Apr 28, 2026 |
| 10 | Richardson John M | <0.01% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 16.40K | $305.71 | $5,013,338 | Apr 28, 2026 |
| 11 | Harrington Charles L. | <0.01% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 5.19K | $279.25 | $1,449,587 | Mar 31, 2026 |
| 12 | Koehler Michael | — | Option exerciseDerivative exercise or conversion before any separate sale row. | — | No cash value | No cash value | Mar 1, 2026 |
| 13 | Koehler Michael | <0.01% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 6.06K | No cash value | No cash value | Mar 1, 2026 |
| 14 | Koehler Michael | 0.01% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 53.29K | $329.88 | $17,578,975 | Mar 1, 2026 |
| 15 | Koehler Michael | 0.02% | Option exerciseDerivative exercise or conversion before any separate sale row. | 60.95K | No cash value | No cash value | Mar 1, 2026 |
| 16 | Koehler Michael | — | Option exerciseDerivative exercise or conversion before any separate sale row. | — | No cash value | No cash value | Feb 9, 2026 |
| 17 | Koehler Michael | <0.01% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 21.27K | No cash value | No cash value | Feb 9, 2026 |
| 18 | Koehler Michael | <0.01% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 4.07K | No cash value | No cash value | Feb 9, 2026 |
| 19 | Koehler Michael | <0.01% | Option exerciseDerivative exercise or conversion before any separate sale row. | 2.13K | No cash value | No cash value | Feb 9, 2026 |
| 20 | Koehler Michael | 0.01% | Sale to issuerDisposition to the company or issuer. It is directional selling, but not always an ordinary open-market sale. | 41.54K | $272.15 | $11,306,200 | Feb 9, 2026 |
| 21 | Koehler Michael | 0.02% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 54.47K | $272.15 | $14,822,650 | Feb 9, 2026 |
| 22 | Koehler Michael | 0.02% | Option exerciseDerivative exercise or conversion before any separate sale row. | 63.67K | No cash value | No cash value | Feb 9, 2026 |
| 23 | Bauer Matthew N | — | Option exerciseDerivative exercise or conversion before any separate sale row. | — | No cash value | No cash value | Feb 9, 2026 |
| 24 | Bauer Matthew N | <0.01% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 6.93K | No cash value | No cash value | Feb 9, 2026 |
| 25 | Bauer Matthew N | <0.01% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 1.69K | No cash value | No cash value | Feb 9, 2026 |
| 26 | Bauer Matthew N | <0.01% | Option exerciseDerivative exercise or conversion before any separate sale row. | 781 | No cash value | No cash value | Feb 9, 2026 |
| 27 | Bauer Matthew N | <0.01% | Sale to issuerDisposition to the company or issuer. It is directional selling, but not always an ordinary open-market sale. | 5.72K | $272.15 | $1,558,059 | Feb 9, 2026 |
| 28 | Bauer Matthew N | <0.01% | Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale. | 9.63K | $272.15 | $2,621,077 | Feb 9, 2026 |
| 29 | Bauer Matthew N | <0.01% | Option exerciseDerivative exercise or conversion before any separate sale row. | 13.07K | No cash value | No cash value | Feb 9, 2026 |
| 30 | MCHUGH JAMES | — | Option exerciseDerivative exercise or conversion before any separate sale row. | — | No cash value | No cash value | Feb 9, 2026 |
| 31 | MCHUGH JAMES | <0.01% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 29.44K | No cash value | No cash value | Feb 9, 2026 |
| 32 | MCHUGH JAMES | <0.01% | Award / grantAward, grant, or acquisition under an equity compensation plan. | 8.46K | No cash value | No cash value | Feb 9, 2026 |
Showing 32 of 88 matching Form 4 rows. Percent of company uses current shares outstanding when available.Load more insiders
Frequently asked
Common questions.
Who are the largest CEG shareholders?
VANGUARD GROUP INC is the largest institutional holder of CEG, with 38.63 million shares, or about 10.73% of shares outstanding. Additional institutions are ranked by reported share count.
What is institutional ownership of CEG?
Constellation Energy Corp (CEG) has 120 institutional holders on file — 85 that increased or initiated positions and 35 that reduced them, as of the latest filing on Mar 31, 2026.
Where can I see Constellation Energy Corp insider transactions?
Constellation Energy Corp (CEG) has 88 Form 4 insider transactions on file, most recently on Apr 28, 2026, separated into purchases, sales, option exercises, awards, gifts, and tax withholding so administrative transactions are distinguished from open-market trades.
Are CEG insiders buying or selling?
Recent CEG insider activity reads Net selling: 8 sales and 0 purchases. Awards, gifts, conversions, and tax withholding are listed separately because they do not carry the same signal as open-market trades.
Who is the most active CEG insider?
Dominguez Joseph is the most active CEG insider by absolute share movement, with 851,322 shares moving across the filing history. Review the action labels before treating that activity as buying or selling.