Position in MKSI
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$840,627,964
+$449,916,953 QoQ
Shares Held
1,889,901
+11.2% QoQ
Ownership
2.79%
of shares outstanding
% of Portfolio
0.09%
of 13F equity value
Holder Rank
#9
of 770 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, 2026PRICE T ROWE ASSOCIATES INC /MD/ holds $10,705,332,122 across 16 Scientific & Technical Instruments names. MKSI ranks #5 (7.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | KEYS |
Keysight Technologies, Inc.
|
9,614,131 | $3,365,618,838 | |
| 2 | TDY |
Teledyne Technologies Inc
|
3,169,159 | $2,113,512,136 | |
| 3 | FTV |
Fortive Corp
|
24,384,055 | $1,489,621,919 | |
| 4 | COHR |
Coherent Corp.
|
3,081,354 | $1,215,501,711 | |
| 5 | MKSI |
Mks Inc
This page
|
1,889,901 | $840,627,964 | |
| 6 | ST |
Sensata Technologies Holding plc
|
9,525,061 | $454,726,411 | |
| 7 | CGNX |
Cognex Corp
|
6,255,563 | $453,027,872 | |
| 8 | NOVT |
Novanta Inc
|
2,222,445 | $360,569,476 |
All Filings in MKSI
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25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $840,627,964 | 1,889,901 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $390,711,011 | 1,700,148 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $440,065,229 | 2,753,850 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $449,658,761 | 3,633,019 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $410,270,157 | 4,129,128 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $281,757,145 | 3,515,373 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $348,811,667 | 3,341,428 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $465,130,301 | 4,278,634 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $893,893,354 | 6,845,561 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $1,005,871,951 | 7,562,947 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $831,635,129 | 8,084,331 | Shares | Sole | 2024-02-16 | |
| 2023-09-30 | $411,892,928 | 4,759,567 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $387,750,267 | 3,586,959 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $166,760,418 | 1,881,747 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $126,928,081 | 1,498,030 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $36,343,831 | 439,785 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $45,049,541 | 438,951 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $65,513,400 | 436,756 | Shares | Sole | 2022-05-16 | |
| 2021-09-30 | $64,957,398 | 430,438 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $83,646,465 | 470,056 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $101,893,852 | 549,530 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $158,796,665 | 1,055,478 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $107,180,517 | 981,237 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $114,982,310 | 1,015,386 | Shares | Sole | 2020-08-14 | |
| 2020-03-31 | $81,156,535 | 996,397 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||