CHARLES SCHWAB INVESTMENT MANAGEMENT INC
Position in MLAB — Mesa Laboratories Inc /Co/
CIK 884546
SAN FRANCISCO, CA
Position in MLAB
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$5,421,791
-$97,739 QoQ
Shares Held
54,463
-12.8% QoQ
Ownership
0.973%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#28
of 158 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in MLAB Over Time
Shares Held
Position Value (USD)
Position in Scientific & Technical Instruments
Technology · as of Jun 30, 2026CHARLES SCHWAB INVESTMENT MANAGEMENT INC holds $2,848,572,538 across 19 Scientific & Technical Instruments names. MLAB ranks #16 (0.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | COHR |
Coherent Corp.
|
2,178,959 | $859,533,956 | |
| 2 | KEYS |
Keysight Technologies, Inc.
|
1,101,512 | $385,606,305 | |
| 3 | MKSI |
Mks Inc
|
808,198 | $359,486,470 | |
| 4 | TDY |
Teledyne Technologies Inc
|
377,081 | $251,475,318 | |
| 5 | GRMN |
Garmin Ltd
|
1,034,210 | $245,666,242 | |
| 6 | FTV |
Fortive Corp
|
1,993,802 | $121,801,363 | |
| 7 | TRMB |
Trimble Inc.
|
2,162,599 | $110,681,816 | |
| 8 | ESE |
Esco Technologies Inc
|
299,912 | $104,981,196 |
All Filings in MLAB
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $5,421,791 | 54,463 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $5,519,530 | 62,424 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $4,860,170 | 61,913 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $3,659,081 | 54,605 | Shares | Sole | 2025-11-10 | |
| 2025-06-30 | $5,819,404 | 61,764 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $7,767,958 | 65,464 | Shares | Sole | 2025-09-15 | |
| 2024-12-31 | $8,253,611 | 62,589 | Shares | Sole | 2025-02-06 | |
| 2024-09-30 | $8,130,404 | 62,609 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $3,918,446 | 45,159 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $4,858,624 | 44,278 | Shares | Sole | 2024-05-09 | |
| 2023-12-31 | $4,336,639 | 41,392 | Shares | Sole | 2024-02-06 | |
| 2023-09-30 | $4,255,124 | 40,498 | Shares | Sole | 2023-11-08 | |
| 2023-06-30 | $4,984,129 | 38,787 | Shares | Sole | 2023-08-10 | |
| 2023-03-31 | $6,732,871 | 38,533 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $6,348,058 | 38,193 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $5,189,022 | 36,846 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $7,552,102 | 37,031 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $9,534,296 | 37,407 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $11,973,644 | 36,495 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $10,800,601 | 35,721 | Shares | Sole | 2021-11-16 | |
| 2021-06-30 | $9,103,990 | 33,573 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $8,009,932 | 32,895 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $9,145,822 | 31,907 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $7,971,185 | 31,289 | Shares | Sole | 2020-11-13 | |
| 2020-06-30 | $5,860,104 | 27,030 | Shares | Sole | 2020-08-20 | |
| 2020-03-31 | $5,662,424 | 25,045 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||