Position in MKSI
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$2,068,290
-$540,924 QoQ
Shares Held
9,000
-44.9% QoQ
Ownership
0.013%
of shares outstanding
% of Portfolio
0.11%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2024
8 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 Mar 31, 2026CallValue
$14,937,650
CallShares
65,000
PutValue
$0
PutShares
0
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 Mar 31, 2026Caption Management, LLC holds $3,134,252 across 3 Scientific & Technical Instruments names. MKSI ranks #1 (66.0% of the industry book) .
All Filings in MKSI
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16 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $2,068,290 | 9,000 | Shares | Sole | 2026-05-15 | |
| 2026-03-31 | $14,937,650 | 65,000 | Call | Sole | 2026-05-15 | |
| 2025-12-31 | $10,387,000 | 65,000 | Call | Sole | 2026-02-17 | |
| 2025-12-31 | $2,609,214 | 16,328 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $8,045,050 | 65,000 | Call | Sole | 2025-11-14 | |
| 2025-09-30 | $2,020,916 | 16,328 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $6,458,400 | 65,000 | Call | Sole | 2025-08-14 | |
| 2025-06-30 | $1,622,350 | 16,328 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $5,209,750 | 65,000 | Call | Sole | 2025-05-15 | |
| 2025-03-31 | $977,830 | 12,200 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $1,273,558 | 12,200 | Shares | Sole | 2025-02-14 | |
| 2024-12-31 | $6,785,350 | 65,000 | Call | Sole | 2025-02-14 | |
| 2024-09-30 | $815,325 | 7,500 | Shares | Sole | 2024-11-14 | |
| 2024-09-30 | $7,066,150 | 65,000 | Call | Sole | 2024-11-14 | |
| 2024-06-30 | $8,487,700 | 65,000 | Call | Sole | 2024-08-14 | |
| 2024-06-30 | $1,527,786 | 11,700 | Shares | Sole | 2024-08-14 | |
| No filing history on record for this holder in this stock. | ||||||