Position in MKSI
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$286,927,580
+$81,392,641 QoQ
Shares Held
645,071
-27.9% QoQ
Ownership
0.954%
of shares outstanding
% of Portfolio
0.22%
of 13F equity value
Holder Rank
#25
of 773 holders
Holding Since
Mar 2020
22 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
$400,320
CallShares
900
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 Jun 30, 2026MILLENNIUM MANAGEMENT LLC holds $729,987,210 across 16 Scientific & Technical Instruments names. MKSI ranks #1 (39.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | MKSI |
Mks Inc
This page
|
645,071 | $286,927,580 | |
| 2 | CGNX |
Cognex Corp
|
1,355,678 | $98,178,200 | |
| 3 | TRMB |
Trimble Inc.
|
1,381,394 | $70,699,744 | |
| 4 | TDY |
Teledyne Technologies Inc
|
102,407 | $68,295,228 | |
| 5 | KEYS |
Keysight Technologies, Inc.
|
128,491 | $44,980,844 | |
| 6 | ITRI |
Itron, Inc.
|
414,783 | $35,891,172 | |
| 7 | COHR |
Coherent Corp.
|
83,939 | $33,111,417 | |
| 8 | NOVT |
Novanta Inc
|
391,120 | $26,361,488 |
All Filings in MKSI
Export CSV
23 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $400,320 | 900 | Call | Sole | 2026-08-14 | |
| 2026-06-30 | $286,927,580 | 645,071 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $205,534,939 | 894,369 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $130,596,709 | 817,251 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $55,232,114 | 446,248 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $478,517 | 4,816 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $43,690,486 | 545,109 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $24,510,250 | 234,795 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $23,183,712 | 213,262 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $45,444,973 | 348,024 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $14,487,025 | 108,925 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $8,076,735 | 78,514 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $11,337,778 | 131,012 | Shares | Sole | 2023-11-14 | |
| 2022-09-30 | $736,157 | 8,908 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $3,654,346 | 35,607 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $3,253,800 | 21,692 | Shares | Sole | 2022-05-16 | |
| 2021-09-30 | $20,550,018 | 136,174 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $52,278,506 | 293,782 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $87,089,548 | 469,688 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $2,309,858 | 15,353 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $793,337 | 7,263 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $2,122,004 | 18,739 | Shares | Sole | 2020-08-14 | |
| 2020-03-31 | $3,391,659 | 41,641 | Shares | Sole | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||