Position in MKSI
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$14,600,115
+$6,192,977 QoQ
Shares Held
32,824
-10.3% QoQ
Ownership
0.049%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#161
of 773 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in MKSI Over Time
Shares Held
Position Value (USD)
Derivatives in MKSI
reported options exposure · as of Jun 30, 2026CallValue
$329,774,720
CallShares
741,400
PutValue
$38,297,280
PutShares
86,100
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Scientific & Technical Instruments
Technology · as of Jun 30, 2026SUSQUEHANNA INTERNATIONAL GROUP, LLP holds $230,366,088 across 22 Scientific & Technical Instruments names. MKSI ranks #4 (6.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | COHR |
Coherent Corp.
|
316,968 | $125,034,366 | |
| 2 | GRMN |
Garmin Ltd
|
69,128 | $16,420,664 | |
| 3 | KEYS |
Keysight Technologies, Inc.
|
43,562 | $15,249,749 | |
| 4 | MKSI |
Mks Inc
This page
|
32,824 | $14,600,115 | |
| 5 | TRMB |
Trimble Inc.
|
197,934 | $10,130,262 | |
| 6 | ST |
Sensata Technologies Holding plc
|
186,791 | $8,917,402 | |
| 7 | TDY |
Teledyne Technologies Inc
|
13,066 | $8,713,714 | |
| 8 | ESE |
Esco Technologies Inc
|
22,026 | $7,709,980 |
All Filings in MKSI
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $38,297,280 | 86,100 | Put | Other | 2026-08-14 | |
| 2026-06-30 | $14,600,115 | 32,824 | Shares | Other | 2026-08-14 | |
| 2026-06-30 | $329,774,720 | 741,400 | Call | Other | 2026-08-14 | |
| 2026-03-31 | $105,781,543 | 460,300 | Call | Other | 2026-05-15 | |
| 2026-03-31 | $17,787,294 | 77,400 | Put | Other | 2026-05-15 | |
| 2026-03-31 | $8,407,138 | 36,583 | Shares | Other | 2026-05-15 | |
| 2025-12-31 | $438,331 | 2,743 | Shares | Other | 2026-02-17 | |
| 2025-12-31 | $32,231,660 | 201,700 | Call | Other | 2026-02-17 | |
| 2025-12-31 | $11,489,620 | 71,900 | Put | Other | 2026-02-17 | |
| 2025-09-30 | $17,773,372 | 143,600 | Call | Other | 2025-11-14 | |
| 2025-09-30 | $2,450,150 | 19,796 | Shares | Other | 2025-11-14 | |
| 2025-09-30 | $977,783 | 7,900 | Put | Other | 2025-11-14 | |
| 2025-06-30 | $16,136,064 | 162,400 | Call | Other | 2025-08-14 | |
| 2025-06-30 | $862,345 | 8,679 | Shares | Other | 2025-08-14 | |
| 2025-06-30 | $4,510,944 | 45,400 | Put | Other | 2025-08-14 | |
| 2025-03-31 | $4,448,325 | 55,500 | Put | Other | 2025-05-14 | |
| 2025-03-31 | $8,437,150 | 105,267 | Shares | Other | 2025-05-14 | |
| 2025-03-31 | $12,567,520 | 156,800 | Call | Other | 2025-05-14 | |
| 2024-12-31 | $5,939,791 | 56,900 | Put | Other | 2025-02-14 | |
| 2024-12-31 | $24,333,309 | 233,100 | Call | Other | 2025-02-14 | |
| 2024-12-31 | $1,966,185 | 18,835 | Shares | Other | 2025-02-14 | |
| 2024-09-30 | $2,043,639 | 18,799 | Shares | Defined | 2024-11-14 | |
| 2024-09-30 | $22,687,777 | 208,700 | Call | Defined | 2024-11-14 | |
| 2024-09-30 | $8,468,509 | 77,900 | Put | Defined | 2024-11-14 | |
| 2024-06-30 | $2,867,145 | 21,957 | Shares | Defined | 2024-08-15 | |
| 2024-06-30 | $16,270,268 | 124,600 | Call | Defined | 2024-08-15 | |
| 2024-06-30 | $8,931,672 | 68,400 | Put | Defined | 2024-08-15 | |
| 2024-03-31 | $5,173,700 | 38,900 | Put | Defined | 2024-05-07 | |
| 2024-03-31 | $5,646,116 | 42,452 | Shares | Defined | 2024-05-07 | |
| 2024-03-31 | $12,422,200 | 93,400 | Call | Defined | 2024-05-07 | |
| 2023-12-31 | $1,151,423 | 11,193 | Shares | Defined | 2024-02-14 | |
| 2023-12-31 | $1,748,790 | 17,000 | Put | Defined | 2024-02-14 | |
| 2023-12-31 | $6,840,855 | 66,500 | Call | Defined | 2024-02-14 | |
| 2023-09-30 | $2,563,573 | 29,623 | Shares | Defined | 2023-11-14 | |
| 2023-09-30 | $1,341,370 | 15,500 | Call | Defined | 2023-11-14 | |
| 2023-09-30 | $1,531,758 | 17,700 | Put | Defined | 2023-11-14 | |
| 2023-06-30 | $3,178,140 | 29,400 | Call | Defined | 2023-08-11 | |
| 2023-06-30 | $2,948,643 | 27,277 | Shares | Defined | 2023-08-11 | |
| 2023-06-30 | $2,810,600 | 26,000 | Put | Defined | 2023-08-11 | |
| 2023-03-31 | $5,131,983 | 57,910 | Shares | Defined | 2023-05-16 | |
| 2023-03-31 | $2,862,426 | 32,300 | Put | Defined | 2023-05-16 | |
| 2023-03-31 | $2,499,084 | 28,200 | Call | Defined | 2023-05-16 | |
| 2022-12-31 | $1,855,587 | 21,900 | Put | Defined | 2023-02-14 | |
| 2022-12-31 | $889,665 | 10,500 | Call | Defined | 2023-02-14 | |
| 2022-09-30 | $5,681,251 | 68,747 | Shares | Defined | 2022-11-14 | |
| 2022-09-30 | $1,016,472 | 12,300 | Call | Defined | 2022-11-14 | |
| 2022-09-30 | $3,338,656 | 40,400 | Put | Defined | 2022-11-14 | |
| 2022-06-30 | $2,055,781 | 20,031 | Shares | Defined | 2022-08-15 | |
| 2022-06-30 | $1,200,771 | 11,700 | Call | Defined | 2022-08-15 | |
| 2022-06-30 | $636,306 | 6,200 | Put | Defined | 2022-08-15 | |
| No filing history on record for this holder in this stock. | ||||||