CHARLES SCHWAB INVESTMENT MANAGEMENT INC
Position in PRLB — Proto Labs Inc
CIK 884546
SAN FRANCISCO, CA
Position in PRLB
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$28,869,863
+$8,331,088 QoQ
Shares Held
354,188
-1.7% QoQ
Ownership
1.48%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#16
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)
Position in Metal Fabrication
Industrials · as of Jun 30, 2026CHARLES SCHWAB INVESTMENT MANAGEMENT INC holds $978,327,601 across 13 Metal Fabrication names. PRLB ranks #6 (3.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ATI |
Ati Inc
|
1,483,253 | $292,349,165 | |
| 2 | CRS |
Carpenter Technology Corp
|
449,556 | $277,304,122 | |
| 3 | MLI |
Mueller Industries Inc
|
2,244,286 | $137,945,038 | |
| 4 | CMC |
COMMERCIAL METALS Co
|
1,591,775 | $99,883,881 | |
| 5 | ESAB |
ESAB Corp
|
535,610 | $52,827,213 | |
| 6 | PRLB |
Proto Labs Inc
This page
|
354,188 | $28,869,863 | |
| 7 | RYZ |
Ryerson Holding Corp
|
1,165,452 | $28,681,773 | |
| 8 | GPGI |
GPGI, Inc.
|
1,503,767 | $23,834,706 |
All Filings in PRLB
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $28,869,863 | 354,188 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $20,538,775 | 360,203 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $18,364,827 | 363,013 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $16,581,342 | 331,428 | Shares | Sole | 2025-11-10 | |
| 2025-06-30 | $11,927,235 | 297,883 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $9,602,291 | 274,038 | Shares | Sole | 2025-09-15 | |
| 2024-12-31 | $11,310,496 | 289,345 | Shares | Sole | 2025-02-06 | |
| 2024-09-30 | $9,715,537 | 330,798 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $10,773,505 | 348,770 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $13,585,572 | 380,016 | Shares | Sole | 2024-05-09 | |
| 2023-12-31 | $14,614,363 | 375,112 | Shares | Sole | 2024-02-06 | |
| 2023-09-30 | $10,169,174 | 385,196 | Shares | Sole | 2023-11-08 | |
| 2023-06-30 | $12,824,167 | 366,824 | Shares | Sole | 2023-08-10 | |
| 2023-03-31 | $11,920,441 | 359,591 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $8,564,319 | 335,461 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $11,216,286 | 307,886 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $13,157,961 | 275,041 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $13,780,820 | 260,507 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $12,290,622 | 239,350 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $14,888,163 | 223,546 | Shares | Sole | 2021-11-16 | |
| 2021-06-30 | $20,526,663 | 223,602 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $25,827,558 | 212,136 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $29,738,891 | 193,865 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $24,923,570 | 192,460 | Shares | Sole | 2020-11-13 | |
| 2020-06-30 | $22,232,507 | 197,675 | Shares | Sole | 2020-08-20 | |
| 2020-03-31 | $14,895,824 | 195,663 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||