Position in MKSI
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$629,851,920
+$208,578,710 QoQ
Shares Held
1,416,034
-22.8% QoQ
Ownership
2.09%
of shares outstanding
% of Portfolio
0.11%
of 13F equity value
Holder Rank
#13
of 773 holders
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 0%
Shared 89%
None 11%
Common Shares in MKSI Over Time
Shares Held
Position Value (USD)
Position in Scientific & Technical Instruments
Technology · as of Jun 30, 2026WELLINGTON MANAGEMENT GROUP LLP holds $1,674,866,698 across 13 Scientific & Technical Instruments names. MKSI ranks #1 (37.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | MKSI |
Mks Inc
This page
|
1,416,034 | $629,851,920 | |
| 2 | COHR |
Coherent Corp.
|
902,711 | $356,092,405 | |
| 3 | KEYS |
Keysight Technologies, Inc.
|
633,096 | $221,627,915 | |
| 4 | TRMB |
Trimble Inc.
|
3,167,464 | $162,110,804 | |
| 5 | ESE |
Esco Technologies Inc
|
238,029 | $83,319,670 | |
| 6 | NOVT |
Novanta Inc
|
460,896 | $74,775,765 | |
| 7 | ITRI |
Itron, Inc.
|
612,609 | $53,009,055 | |
| 8 | CGNX |
Cognex Corp
|
336,043 | $24,336,234 |
All Filings in MKSI
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $629,851,920 | 1,416,034 | Shares | Defined | 2026-08-14 | |
| 2026-03-31 | $421,273,210 | 1,833,137 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $407,812,954 | 2,552,021 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $373,017,404 | 3,013,795 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $298,025,745 | 2,999,454 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $260,494,309 | 3,250,085 | Shares | Defined | 2025-05-13 | |
| 2024-12-31 | $239,207,386 | 2,291,478 | Shares | Defined | 2025-02-12 | |
| 2024-09-30 | $248,376,583 | 2,284,763 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $462,505,477 | 3,541,932 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $447,821,507 | 3,367,079 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $265,125,821 | 2,577,290 | Shares | Defined | 2024-02-12 | |
| 2023-09-30 | $233,852,626 | 2,702,249 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $295,897,048 | 2,737,253 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $150,717,095 | 1,700,712 | Shares | Defined | 2023-05-12 | |
| 2022-12-31 | $160,837,704 | 1,898,238 | Shares | Defined | 2023-02-13 | |
| 2022-09-30 | $205,395,851 | 2,485,429 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $322,390,282 | 3,141,287 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $696,324,300 | 4,642,162 | Shares | Defined | 2022-05-16 | |
| 2021-09-30 | $706,706,096 | 4,682,964 | Shares | Defined | 2021-11-15 | |
| 2021-06-30 | $867,757,869 | 4,876,414 | Shares | Defined | 2021-08-16 | |
| 2021-03-31 | $989,373,120 | 5,335,849 | Shares | Defined | 2021-05-17 | |
| 2020-12-31 | $760,793,151 | 5,056,784 | Shares | Defined | 2021-02-12 | |
| 2020-09-30 | $520,480,074 | 4,764,992 | Shares | Defined | 2020-11-16 | |
| 2020-06-30 | $539,073,582 | 4,760,452 | Shares | Defined | 2020-08-14 | |
| 2020-03-31 | $379,121,404 | 4,654,652 | Shares | Defined | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||