Position in CRS
as of Mar 31, 2026
· filed May 12, 2026
Position Value
$63,509,782
-$2,243,605 QoQ
Shares Held
161,131
-22.8% QoQ
Ownership
0.324%
of shares outstanding
% of Portfolio
0.08%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2020
23 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in CRS Over Time
Shares Held
Position Value (USD)
Derivatives in CRS
reported options exposure · as of Mar 31, 2026CallValue
$24,516,130
CallShares
62,200
PutValue
$10,681,465
PutShares
27,100
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Metal Fabrication
Industrials · as of Mar 31, 2026JANE STREET GROUP, LLC holds $331,804,007 across 11 Metal Fabrication names. CRS ranks #2 (19.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ATI |
Ati Inc
|
1,491,263 | $216,919,115 | |
| 2 | CRS |
Carpenter Technology Corp
This page
|
161,131 | $63,509,782 | |
| 3 | MLI |
Mueller Industries Inc
|
341,288 | $37,814,709 | |
| 4 | WOR |
Worthington Enterprises, Inc.
|
91,599 | $4,775,970 | |
| 5 | PRLB |
Proto Labs Inc
|
57,355 | $3,270,381 | |
| 6 | IIIN |
Insteel Industries Inc
|
80,645 | $2,710,477 | |
| 7 | AP |
Ampco Pittsburgh Corp
|
168,301 | $1,130,981 | |
| 8 | RYZ |
Ryerson Holding Corp
|
36,312 | $816,293 |
All Filings in CRS
Export CSV
45 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $63,509,782 | 161,131 | Shares | Defined | 2026-05-12 | |
| 2026-03-31 | $24,516,130 | 62,200 | Call | Defined | 2026-05-12 | |
| 2026-03-31 | $10,681,465 | 27,100 | Put | Defined | 2026-05-12 | |
| 2025-12-31 | $7,745,064 | 24,600 | Call | Defined | 2026-02-12 | |
| 2025-12-31 | $4,124,404 | 13,100 | Put | Defined | 2026-02-12 | |
| 2025-12-31 | $65,753,387 | 208,847 | Shares | Defined | 2026-02-12 | |
| 2025-09-30 | $70,354,330 | 286,529 | Shares | Defined | 2025-11-14 | |
| 2025-09-30 | $43,436,026 | 176,900 | Put | Defined | 2025-11-14 | |
| 2025-09-30 | $46,210,628 | 188,200 | Call | Defined | 2025-11-14 | |
| 2025-06-30 | $1,879,384 | 6,800 | Put | Defined | 2025-08-14 | |
| 2025-06-30 | $8,208,486 | 29,700 | Call | Defined | 2025-08-14 | |
| 2025-06-30 | $114,377,097 | 413,840 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $19,762,026 | 109,074 | Shares | Defined | 2025-05-19 | |
| 2025-03-31 | $4,366,438 | 24,100 | Put | Defined | 2025-05-19 | |
| 2025-03-31 | $39,587,830 | 218,500 | Call | Defined | 2025-05-19 | |
| 2024-12-31 | $5,379,807 | 31,700 | Call | Defined | 2025-02-14 | |
| 2024-12-31 | $29,612,357 | 174,488 | Shares | Defined | 2025-02-14 | |
| 2024-12-31 | $8,655,210 | 51,000 | Put | Defined | 2025-02-14 | |
| 2024-09-30 | $8,427,897 | 52,813 | Shares | Defined | 2024-11-15 | |
| 2024-09-30 | $11,378,054 | 71,300 | Call | Defined | 2024-11-15 | |
| 2024-09-30 | $4,101,206 | 25,700 | Put | Defined | 2024-11-15 | |
| 2024-06-30 | $12,604,219 | 115,023 | Shares | Defined | 2024-08-15 | |
| 2024-03-31 | $686,274 | 9,609 | Shares | Defined | 2024-05-16 | |
| 2023-12-31 | $2,929,773 | 41,381 | Shares | Defined | 2024-02-15 | |
| 2023-09-30 | $3,731,566 | 55,521 | Shares | Defined | 2023-11-15 | |
| 2023-06-30 | $722,280 | 12,868 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $775,914 | 17,335 | Shares | Defined | 2023-05-16 | |
| 2022-12-31 | $907,061 | 24,555 | Shares | Defined | 2023-02-15 | |
| 2022-06-30 | $381,026 | 13,652 | Shares | Defined | 2022-08-16 | |
| 2022-03-31 | $407,206 | 9,700 | Call | Defined | 2022-05-17 | |
| 2021-12-31 | $335,889 | 11,507 | Shares | Defined | 2022-02-15 | |
| 2021-12-31 | $256,872 | 8,800 | Put | Defined | 2022-02-15 | |
| 2021-09-30 | $383,058 | 11,700 | Call | Defined | 2021-11-16 | |
| 2021-09-30 | $263,163 | 8,038 | Shares | Defined | 2021-11-16 | |
| 2021-06-30 | $281,540 | 7,000 | Put | Defined | 2021-08-16 | |
| 2021-06-30 | $518,838 | 12,900 | Call | Defined | 2021-08-16 | |
| 2021-06-30 | $1,020,180 | 25,365 | Shares | Defined | 2021-08-16 | |
| 2021-03-31 | $728,725 | 17,709 | Shares | Defined | 2021-05-18 | |
| 2021-03-31 | $1,423,790 | 34,600 | Call | Defined | 2021-05-18 | |
| 2020-12-31 | $474,656 | 16,300 | Put | Defined | 2021-02-17 | |
| 2020-12-31 | $328,182 | 11,270 | Shares | Defined | 2021-02-17 | |
| 2020-12-31 | $550,368 | 18,900 | Call | Defined | 2021-02-17 | |
| 2020-09-30 | $404,968 | 22,300 | Put | Defined | 2020-11-17 | |
| 2020-09-30 | $284,711 | 15,678 | Shares | Defined | 2020-11-17 | |
| 2020-06-30 | $347,204 | 14,300 | Put | Defined | 2020-08-17 | |
| No filing history on record for this holder in this stock. | ||||||