Position in MKSI
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$359,486,470
+$160,322,323 QoQ
Shares Held
808,198
-6.7% QoQ
Ownership
1.20%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
#21
of 773 holders
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in MKSI 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. MKSI ranks #3 (12.6% 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
This page
|
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 MKSI
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $359,486,470 | 808,198 | Shares | Other | 2026-08-14 | |
| 2026-03-31 | $199,164,147 | 866,647 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $139,130,509 | 870,654 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $104,747,169 | 846,305 | Shares | Sole | 2025-11-10 | |
| 2025-06-30 | $78,559,580 | 790,656 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $57,566,855 | 718,239 | Shares | Sole | 2025-09-15 | |
| 2024-12-31 | $69,565,809 | 666,403 | Shares | Sole | 2025-02-06 | |
| 2024-09-30 | $72,119,735 | 663,414 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $80,639,940 | 617,552 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $81,414,886 | 612,142 | Shares | Sole | 2024-05-09 | |
| 2023-12-31 | $61,445,176 | 597,309 | Shares | Sole | 2024-02-06 | |
| 2023-09-30 | $50,781,931 | 586,803 | Shares | Sole | 2023-11-08 | |
| 2023-06-30 | $56,352,638 | 521,301 | Shares | Sole | 2023-08-10 | |
| 2023-03-31 | $45,564,238 | 514,153 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $43,256,020 | 510,516 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $40,380,135 | 488,627 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $47,230,120 | 460,198 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $68,869,350 | 459,129 | Shares | Sole | 2022-05-13 | |
| 2021-09-30 | $75,015,248 | 497,086 | Shares | Sole | 2021-11-16 | |
| 2021-06-30 | $85,343,574 | 479,593 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $86,699,239 | 467,583 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $69,781,418 | 463,818 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $50,023,735 | 457,967 | Shares | Sole | 2020-11-13 | |
| 2020-06-30 | $53,027,347 | 468,274 | Shares | Sole | 2020-08-20 | |
| 2020-03-31 | $38,219,842 | 469,243 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||