Position in MKSI
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$142,261,718
+$77,407,958 QoQ
Shares Held
319,833
+13.3% QoQ
Ownership
0.473%
of shares outstanding
% of Portfolio
3.70%
of 13F equity value
Holder Rank
#39
of 773 holders
Holding Since
Dec 2023
7 quarters on record
Voting authority
Sole 85%
Shared 0%
None 15%
Common Shares in MKSI Over Time
Shares Held
Position Value (USD)
Derivatives in MKSI
reported options exposure · as of Dec 31, 2025CallValue
$0
CallShares
0
PutValue
$20,614,200
PutShares
129,000
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, 2026SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC holds $142,261,718 across 1 Scientific & Technical Instruments name. MKSI ranks #1 (100.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | MKSI |
Mks Inc
This page
|
319,833 | $142,261,718 |
All Filings in MKSI
Export CSV
10 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $142,261,718 | 319,833 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $64,853,760 | 282,206 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $60,963,700 | 381,500 | Shares | Sole | 2026-02-17 | |
| 2025-12-31 | $20,614,200 | 129,000 | Put | Sole | 2026-02-17 | |
| 2025-09-30 | $26,610,550 | 215,000 | Put | Sole | 2025-11-14 | |
| 2025-09-30 | $73,783,257 | 596,132 | Shares | Sole | 2025-11-14 | |
| 2025-09-30 | $3,094,250 | 25,000 | Call | Sole | 2025-11-14 | |
| 2025-06-30 | $42,938,722 | 432,153 | Shares | Sole | 2025-08-14 | |
| 2024-06-30 | $1,566,960 | 12,000 | Shares | Sole | 2024-08-14 | |
| 2023-12-31 | $24,677,381 | 239,889 | Shares | Sole | 2024-02-14 | |
| No filing history on record for this holder in this stock. | ||||||