Position in PRLB
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$1,379,230
-$2,518,372 QoQ
Shares Held
16,921
-75.2% QoQ
Ownership
0.071%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#87
of 276 holders
Holding Since
Mar 2021
12 quarters on record
Voting authority
Sole 0%
Shared 100%
None 0%
Common Shares in PRLB Over Time
Shares Held
Position Value (USD)
Position in Metal Fabrication
Industrials · as of Jun 30, 2026MARSHALL WACE, LLP holds $157,336,879 across 9 Metal Fabrication names. PRLB ranks #4 (0.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ATI |
Ati Inc
|
709,552 | $139,852,697 | |
| 2 | MLI |
Mueller Industries Inc
|
129,052 | $7,932,179 | |
| 3 | ESAB |
ESAB Corp
|
46,555 | $4,591,719 | |
| 4 | PRLB |
Proto Labs Inc
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|
16,921 | $1,379,230 | |
| 5 | GPGI |
GPGI, Inc.
|
61,863 | $980,528 | |
| 6 | TG |
Tredegar Corp
|
104,968 | $835,544 | |
| 7 | CRS |
Carpenter Technology Corp
|
1,240 | $764,881 | |
| 8 | AP |
Ampco Pittsburgh Corp
|
80,361 | $695,122 |
All Filings in PRLB
Export CSV
12 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $1,379,230 | 16,921 | Shares | Other | 2026-08-13 | |
| 2026-03-31 | $3,897,602 | 68,355 | Shares | Other | 2026-05-15 | |
| 2024-06-30 | $1,322,092 | 42,800 | Shares | Other | 2024-08-14 | |
| 2024-03-31 | $842,556 | 23,568 | Shares | Other | 2024-05-15 | |
| 2023-12-31 | $2,477,271 | 63,585 | Shares | Other | 2024-02-14 | |
| 2022-12-31 | $1,310,403 | 51,328 | Shares | Other | 2023-02-14 | |
| 2022-09-30 | $930,240 | 25,535 | Shares | Other | 2022-11-14 | |
| 2022-06-30 | $387,169 | 8,093 | Shares | Other | 2022-08-15 | |
| 2022-03-31 | $2,986,681 | 56,459 | Shares | Other | 2022-05-16 | |
| 2021-12-31 | $11,290,683 | 219,877 | Shares | Other | 2022-02-14 | |
| 2021-09-30 | $5,300,028 | 79,580 | Shares | Sole | 2021-11-15 | |
| 2021-03-31 | $585,861 | 4,812 | Shares | Sole | 2021-05-17 | |
| No filing history on record for this holder in this stock. | ||||||