Position in MKSI
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$444
+$444 QoQ
Shares Held
1
Ownership
0.000%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#769
of 773 holders
Holding Since
Dec 2024
7 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
$111,022,080
CallShares
249,600
PutValue
$16,680,000
PutShares
37,500
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, 2026PEAK6 LLC holds $26,492,297 across 8 Scientific & Technical Instruments names. MKSI ranks #8 (0.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | COHR |
Coherent Corp.
|
29,202 | $11,519,312 | |
| 2 | VPG |
Vishay Precision Group, Inc.
|
69,809 | $10,465,067 | |
| 3 | ARBE |
Arbe Robotics Ltd.
|
4,135,197 | $3,432,213 | |
| 4 | CGNX |
Cognex Corp
|
14,805 | $1,072,178 | |
| 5 | TDY |
Teledyne Technologies Inc
|
2 | $1,333 | |
| 6 | KEYS |
Keysight Technologies, Inc.
|
3 | $1,050 | |
| 7 | ESE |
Esco Technologies Inc
|
2 | $700 | |
| 8 | MKSI |
Mks Inc
This page
|
1 | $444 |
All Filings in MKSI
Export CSV
17 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $444 | 1 | Shares | Defined | 2026-08-13 | |
| 2026-06-30 | $16,680,000 | 37,500 | Put | Defined | 2026-08-13 | |
| 2026-06-30 | $111,022,080 | 249,600 | Call | Defined | 2026-08-13 | |
| 2026-03-31 | $8,617,875 | 37,500 | Put | Defined | 2026-05-14 | |
| 2026-03-31 | $23,026,962 | 100,200 | Call | Defined | 2026-05-14 | |
| 2025-12-31 | $18,233,180 | 114,100 | Call | Defined | 2026-03-12 | |
| 2025-12-31 | $1,438,200 | 9,000 | Put | Defined | 2026-03-12 | |
| 2025-09-30 | $7,611,855 | 61,500 | Call | Defined | 2026-03-31 | |
| 2025-09-30 | $2,543,102 | 20,547 | Shares | Defined | 2026-03-31 | |
| 2025-06-30 | $19,872 | 200 | Put | Defined | 2026-03-26 | |
| 2025-06-30 | $4,103,568 | 41,300 | Call | Defined | 2026-03-26 | |
| 2025-03-31 | $2,997,610 | 37,400 | Call | Defined | 2025-05-14 | |
| 2025-03-31 | $1,547,856 | 19,312 | Shares | Defined | 2025-05-14 | |
| 2025-03-31 | $2,292,290 | 28,600 | Put | Defined | 2025-05-14 | |
| 2024-12-31 | $2,004,288 | 19,200 | Put | Defined | 2025-02-13 | |
| 2024-12-31 | $80,380 | 770 | Shares | Defined | 2025-02-13 | |
| 2024-12-31 | $5,480,475 | 52,500 | Call | Defined | 2025-02-13 | |
| No filing history on record for this holder in this stock. | ||||||