STATE OF WISCONSIN INVESTMENT BOARD
Position in MEC — Mayville Engineering Company, Inc.
CIK 854157
MADISON, WI
Position in MEC
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$579,102
-$182,745 QoQ
Shares Held
32,262
-20.7% QoQ
Ownership
0.157%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2021
15 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in MEC Over Time
Shares Held
Position Value (USD)
Position in Metal Fabrication
Industrials · as of Mar 31, 2026STATE OF WISCONSIN INVESTMENT BOARD holds $78,990,499 across 12 Metal Fabrication names. MEC ranks #10 (0.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ATI |
Ati Inc
|
201,963 | $29,377,537 | |
| 2 | CRS |
Carpenter Technology Corp
|
65,097 | $25,657,982 | |
| 3 | CMC |
COMMERCIAL METALS Co
|
154,849 | $9,512,374 | |
| 4 | ESAB |
ESAB Corp
|
59,308 | $5,732,711 | |
| 5 | MLI |
Mueller Industries Inc
|
73,775 | $4,087,135 | |
| 6 | GPGI |
GPGI, Inc.
|
72,143 | $1,233,645 | |
| 7 | WOR |
Worthington Enterprises, Inc.
|
19,336 | $1,008,179 | |
| 8 | RYZ |
Ryerson Holding Corp
|
29,526 | $663,744 |
All Filings in MEC
Export CSV
15 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $579,102 | 32,262 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $761,847 | 40,697 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $492,566 | 35,797 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $387,780 | 24,297 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $198,723 | 14,797 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $223,176 | 14,197 | Shares | Sole | 2025-02-14 | |
| 2024-06-30 | $201,902 | 12,119 | Shares | Sole | 2024-08-14 | |
| 2023-06-30 | $328,944 | 26,400 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $586,356 | 39,300 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $643,128 | 50,800 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $382,000 | 58,679 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $537,906 | 69,497 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $414,154 | 44,200 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $283,290 | 19,000 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $257,560 | 13,700 | Shares | Sole | 2021-11-12 | |
| No filing history on record for this holder in this stock. | ||||||