Position in PRLB
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$17,228,442
+$4,361,822 QoQ
Shares Held
211,366
-6.3% QoQ
Ownership
0.884%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#22
of 276 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in PRLB Over Time
Shares Held
Position Value (USD)
Derivatives in PRLB
reported options exposure · as of Mar 31, 2022CallValue
$0
CallShares
0
PutValue
$1,444,170
PutShares
27,300
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 Jun 30, 2026D. E. Shaw & Co., Inc. holds $336,641,596 across 10 Metal Fabrication names. PRLB ranks #4 (5.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ATI |
Ati Inc
|
815,585 | $160,751,803 | |
| 2 | CRS |
Carpenter Technology Corp
|
161,172 | $99,417,335 | |
| 3 | MLI |
Mueller Industries Inc
|
456,098 | $28,034,063 | |
| 4 | PRLB |
Proto Labs Inc
This page
|
211,366 | $17,228,442 | |
| 5 | CMC |
COMMERCIAL METALS Co
|
182,960 | $11,480,740 | |
| 6 | RYZ |
Ryerson Holding Corp
|
308,533 | $7,592,997 | |
| 7 | IIIN |
Insteel Industries Inc
|
134,051 | $4,048,340 | |
| 8 | ESAB |
ESAB Corp
|
35,499 | $3,501,266 |
All Filings in PRLB
Export CSV
34 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $17,228,442 | 211,366 | Shares | Defined | 2026-08-14 | |
| 2026-03-31 | $12,866,620 | 225,651 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $10,768,992 | 212,868 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $17,868,864 | 357,163 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $18,125,787 | 452,692 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $18,829,269 | 537,365 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $19,572,519 | 500,704 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $15,379,717 | 523,654 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $17,695,551 | 572,857 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $18,472,239 | 516,706 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $20,544,230 | 527,316 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $11,117,752 | 421,127 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $10,133,016 | 289,846 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $8,033,305 | 242,332 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $6,117,575 | 239,623 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $4,808,541 | 131,994 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $4,753,286 | 99,358 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $9,839,505 | 186,002 | Shares | Defined | 2022-05-16 | |
| 2022-03-31 | $1,444,170 | 27,300 | Put | Defined | 2022-05-16 | |
| 2021-12-31 | $16,116,659 | 313,859 | Shares | Defined | 2022-02-14 | |
| 2021-12-31 | $2,428,855 | 47,300 | Put | Defined | 2022-02-14 | |
| 2021-09-30 | $3,383,280 | 50,800 | Put | Defined | 2021-11-15 | |
| 2021-09-30 | $18,370,877 | 275,839 | Shares | Defined | 2021-11-15 | |
| 2021-09-30 | $1,338,660 | 20,100 | Call | Defined | 2021-11-15 | |
| 2021-06-30 | $15,836,050 | 172,506 | Shares | Defined | 2021-08-16 | |
| 2021-06-30 | $1,836,000 | 20,000 | Call | Defined | 2021-08-16 | |
| 2021-06-30 | $2,221,560 | 24,200 | Put | Defined | 2021-08-16 | |
| 2021-03-31 | $3,076,500 | 25,269 | Shares | Defined | 2021-05-17 | |
| 2020-12-31 | $6,136,000 | 40,000 | Call | Defined | 2021-02-16 | |
| 2020-09-30 | $2,332,683 | 18,013 | Shares | Defined | 2020-11-16 | |
| 2020-09-30 | $5,270,650 | 40,700 | Call | Defined | 2020-11-16 | |
| 2020-06-30 | $912,694 | 8,115 | Shares | Defined | 2020-08-14 | |
| 2020-06-30 | $4,577,529 | 40,700 | Call | Defined | 2020-08-14 | |
| 2020-03-31 | $271,098 | 3,561 | Shares | Defined | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||