Position in IIIN
as of Mar 31, 2026
· filed May 12, 2026
Position Value
$2,710,477
+$2,254,810 QoQ
Shares Held
80,645
+460.5% QoQ
Ownership
0.415%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2021
12 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in IIIN Over Time
Shares Held
Position Value (USD)
Derivatives in IIIN
reported options exposure · as of Mar 31, 2026CallValue
$524,316
CallShares
15,600
PutValue
$396,598
PutShares
11,800
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. IIIN ranks #6 (0.8% 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
|
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
This page
|
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 IIIN
Export CSV
15 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $524,316 | 15,600 | Call | Defined | 2026-05-12 | |
| 2026-03-31 | $2,710,477 | 80,645 | Shares | Defined | 2026-05-12 | |
| 2026-03-31 | $396,598 | 11,800 | Put | Defined | 2026-05-12 | |
| 2025-12-31 | $455,667 | 14,388 | Shares | Defined | 2026-02-12 | |
| 2025-09-30 | $417,906 | 10,900 | Call | Defined | 2025-11-14 | |
| 2025-09-30 | $2,044,134 | 53,316 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $878,378 | 23,606 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $1,134,161 | 43,124 | Shares | Defined | 2025-05-19 | |
| 2024-12-31 | $1,440,119 | 53,318 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $2,017,491 | 64,892 | Shares | Defined | 2024-11-15 | |
| 2024-06-30 | $612,295 | 19,777 | Shares | Defined | 2024-08-15 | |
| 2022-09-30 | $209,878 | 7,911 | Shares | Defined | 2022-11-15 | |
| 2022-06-30 | $371,346 | 11,029 | Shares | Defined | 2022-08-16 | |
| 2021-12-31 | $928,647 | 23,327 | Shares | Defined | 2022-02-15 | |
| 2021-03-31 | $302,324 | 9,803 | Shares | Defined | 2021-05-18 | |
| No filing history on record for this holder in this stock. | ||||||