STATE OF WISCONSIN INVESTMENT BOARD
Position in CEG — Constellation Energy Corp
CIK 854157
MADISON, WI
Position in CEG
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$49,450,427
-$12,764,659 QoQ
Shares Held
177,083
+0.6% QoQ
Ownership
0.049%
of shares outstanding
% of Portfolio
0.13%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2022
17 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in CEG Over Time
Shares Held
Position Value (USD)
Position in Utilities - Independent Power Producers
Utilities · as of Mar 31, 2026STATE OF WISCONSIN INVESTMENT BOARD holds $110,188,542 across 7 Utilities - Independent Power Producers names. CEG ranks #1 (44.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | CEG |
Constellation Energy Corp
This page
|
177,083 | $49,450,427 | |
| 2 | VST |
Vistra Corp.
|
182,664 | $27,459,879 | |
| 3 | NRG |
Nrg Energy, Inc.
|
132,732 | $19,397,454 | |
| 4 | TLN |
Talen Energy Corp
|
29,608 | $9,451,761 | |
| 5 | OKLO |
Oklo Inc.
|
57,723 | $2,862,483 | |
| 6 | HNRG |
Hallador Energy Co
|
83,651 | $1,361,838 | |
| 7 | TAC |
Transalta Corp
|
15,626 | $204,700 |
All Filings in CEG
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17 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $49,450,427 | 177,083 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $62,215,086 | 176,112 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $55,792,831 | 169,547 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $54,018,727 | 167,365 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $36,765,819 | 182,343 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $38,721,516 | 173,088 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $46,280,439 | 177,988 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $37,762,310 | 188,557 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $31,467,754 | 170,234 | Shares | Sole | 2024-05-14 | |
| 2023-12-31 | $22,648,840 | 193,762 | Shares | Sole | 2024-02-12 | |
| 2023-09-30 | $20,005,490 | 183,402 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $19,697,348 | 215,154 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $14,628,789 | 186,354 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $21,213,694 | 246,070 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $25,635,580 | 308,157 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $20,590,008 | 359,588 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $20,742,525 | 368,756 | Shares | Sole | 2022-05-13 | |
| No filing history on record for this holder in this stock. | ||||||