Position in MKSI
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$890,513
+$269,690 QoQ
Shares Held
3,875
-0.3% QoQ
Ownership
0.006%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2024
7 quarters on record
Voting authority
Sole 98.70967741935483.ToString("F0")%
Shared 0.ToString("F0")%
None 1.2903225806451613.ToString("F0")%
Common Shares in MKSI Over Time
Shares Held
Position Value (USD)
Position in Scientific & Technical Instruments
Technology · as of Mar 31, 2026GAMCO INVESTORS, INC. ET AL holds $28,372,742 across 8 Scientific & Technical Instruments names. MKSI ranks #5 (3.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | BMI |
Badger Meter Inc
|
98,725 | $15,040,753 | |
| 2 | LGL |
Lgl Group Inc
|
670,781 | $4,661,927 | |
| 3 | ITRI |
Itron, Inc.
|
50,000 | $4,481,500 | |
| 4 | KEYS |
Keysight Technologies, Inc.
|
6,411 | $1,810,274 | |
| 5 | MKSI |
Mks Inc
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|
3,875 | $890,513 | |
| 6 | MLAB |
Mesa Laboratories Inc /Co/
|
7,834 | $692,682 | |
| 7 | VPG |
Vishay Precision Group, Inc.
|
13,532 | $587,559 | |
| 8 | VNT |
Vontier Corp
|
5,851 | $207,534 |
All Filings in MKSI
Export CSV
7 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $890,513 | 3,875 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $620,823 | 3,885 | Shares | Sole | 2026-02-05 | |
| 2025-09-30 | $975,926 | 7,885 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $843,069 | 8,485 | Shares | Sole | 2025-08-13 | |
| 2025-03-31 | $684,881 | 8,545 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $423,823 | 4,060 | Shares | Sole | 2025-02-13 | |
| 2024-09-30 | $321,781 | 2,960 | Shares | Sole | 2024-11-14 | |
| No filing history on record for this holder in this stock. | ||||||