Position in MKSI
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$473,267
+$255,867 QoQ
Shares Held
1,064
+12.5% QoQ
Ownership
0.002%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#503
of 773 holders
Holding Since
Mar 2020
23 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, 2026Rafferty Asset Management, LLC holds $67,609,051 across 7 Scientific & Technical Instruments names. MKSI ranks #7 (0.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | COHR |
Coherent Corp.
|
67,622 | $26,674,850 | |
| 2 | KEYS |
Keysight Technologies, Inc.
|
58,454 | $20,462,991 | |
| 3 | TDY |
Teledyne Technologies Inc
|
15,349 | $10,236,248 | |
| 4 | TRMB |
Trimble Inc.
|
85,308 | $4,366,063 | |
| 5 | GRMN |
Garmin Ltd
|
15,132 | $3,594,455 | |
| 6 | FTV |
Fortive Corp
|
29,484 | $1,801,177 | |
| 7 | MKSI |
Mks Inc
This page
|
1,064 | $473,267 |
All Filings in MKSI
Export CSV
23 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $473,267 | 1,064 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $217,400 | 946 | Shares | Sole | 2026-05-15 | |
| 2025-06-30 | $87,249,407 | 878,114 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $43,078,140 | 537,469 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $60,187,724 | 576,566 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $64,071,282 | 589,378 | Shares | Sole | 2024-11-13 | |
| 2024-06-30 | $71,027,293 | 543,937 | Shares | Sole | 2024-08-13 | |
| 2024-03-31 | $79,253,902 | 595,894 | Shares | Sole | 2024-05-13 | |
| 2023-12-31 | $41,096,565 | 399,500 | Shares | Sole | 2024-02-13 | |
| 2023-09-30 | $30,029,985 | 347,007 | Shares | Sole | 2023-11-13 | |
| 2023-06-30 | $38,074,765 | 352,218 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $23,115,552 | 260,839 | Shares | Sole | 2023-05-11 | |
| 2022-12-31 | $20,646,836 | 243,678 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $16,022,077 | 193,878 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $20,711,760 | 201,810 | Shares | Sole | 2022-08-12 | |
| 2022-03-31 | $36,199,050 | 241,327 | Shares | Sole | 2022-05-13 | |
| 2021-09-30 | $19,179,755 | 127,094 | Shares | Sole | 2021-11-10 | |
| 2021-06-30 | $29,237,896 | 164,304 | Shares | Sole | 2021-08-10 | |
| 2021-03-31 | $27,579,370 | 148,740 | Shares | Sole | 2021-05-10 | |
| 2020-12-31 | $10,013,651 | 66,558 | Shares | Sole | 2021-02-10 | |
| 2020-09-30 | $7,320,703 | 67,021 | Shares | Sole | 2020-11-13 | |
| 2020-06-30 | $6,694,069 | 59,114 | Shares | Sole | 2020-08-07 | |
| 2020-03-31 | $1,515,458 | 18,606 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||