Position in PRLB
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$38,248,649
+$8,583,937 QoQ
Shares Held
469,251
-9.8% QoQ
Ownership
1.96%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
#9
of 276 holders
Holding Since
Mar 2021
22 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in PRLB Over Time
Shares Held
Position Value (USD)
Position in Metal Fabrication
Industrials · as of Jun 30, 2026RENAISSANCE TECHNOLOGIES LLC holds $77,655,748 across 9 Metal Fabrication names. PRLB ranks #1 (49.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | PRLB |
Proto Labs Inc
This page
|
469,251 | $38,248,649 | |
| 2 | ESAB |
ESAB Corp
|
155,900 | $15,376,417 | |
| 3 | MLI |
Mueller Industries Inc
|
220,400 | $13,546,886 | |
| 4 | WOR |
Worthington Enterprises, Inc.
|
73,800 | $3,967,488 | |
| 5 | AP |
Ampco Pittsburgh Corp
|
414,419 | $3,584,724 | |
| 6 | MEC |
Mayville Engineering Company, Inc.
|
28,000 | $1,048,880 | |
| 7 | TG |
Tredegar Corp
|
112,300 | $893,908 | |
| 8 | RYZ |
Ryerson Holding Corp
|
35,502 | $873,704 |
All Filings in PRLB
Export CSV
22 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $38,248,649 | 469,251 | Shares | Sole | 2026-08-13 | |
| 2026-03-31 | $29,664,712 | 520,251 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $24,968,745 | 493,551 | Shares | Sole | 2026-02-12 | |
| 2025-09-30 | $27,198,859 | 543,651 | Shares | Sole | 2025-11-13 | |
| 2025-06-30 | $21,703,722 | 542,051 | Shares | Sole | 2025-08-13 | |
| 2025-03-31 | $18,629,051 | 531,651 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $22,353,655 | 571,851 | Shares | Sole | 2025-02-13 | |
| 2024-09-30 | $16,354,713 | 556,851 | Shares | Sole | 2024-11-13 | |
| 2024-06-30 | $13,462,572 | 435,823 | Shares | Sole | 2024-08-09 | |
| 2024-03-31 | $11,776,050 | 329,400 | Shares | Sole | 2024-05-13 | |
| 2023-12-31 | $11,282,816 | 289,600 | Shares | Sole | 2024-02-13 | |
| 2023-09-30 | $7,289,040 | 276,100 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $7,058,983 | 201,916 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $4,989,075 | 150,500 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $3,183,591 | 124,700 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $5,041,912 | 138,400 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $2,258,048 | 47,200 | Shares | Sole | 2022-08-12 | |
| 2022-03-31 | $206,310 | 3,900 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $10,388,105 | 202,300 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $8,811,180 | 132,300 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $14,814,959 | 161,383 | Shares | Sole | 2021-08-13 | |
| 2021-03-31 | $7,146,359 | 58,697 | Shares | Sole | 2021-05-13 | |
| No filing history on record for this holder in this stock. | ||||||