Position in ESE
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$66,935,108
-$16,058,356 QoQ
Shares Held
237,890
-44.0% QoQ
Ownership
0.918%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
12 quarters on record
Voting authority
Sole 0%
Shared 54%
None 46%
Common Shares in ESE Over Time
Shares Held
Position Value (USD)
Position in Scientific & Technical Instruments
Technology · as of Mar 31, 2026WELLINGTON MANAGEMENT GROUP LLP holds $1,324,317,123 across 12 Scientific & Technical Instruments names. ESE ranks #4 (5.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | MKSI |
Mks Inc
|
1,833,137 | $421,273,210 | |
| 2 | TRMB |
Trimble Inc.
|
5,796,451 | $378,102,495 | |
| 3 | COHR |
Coherent Corp.
|
1,362,950 | $324,668,316 | |
| 4 | ESE |
Esco Technologies Inc
This page
|
237,890 | $66,935,108 | |
| 5 | NOVT |
Novanta Inc
|
417,237 | $49,279,860 | |
| 6 | ST |
Sensata Technologies Holding plc
|
916,025 | $32,262,398 | |
| 7 | ITRI |
Itron, Inc.
|
191,024 | $17,121,479 | |
| 8 | CGNX |
Cognex Corp
|
333,216 | $16,324,251 |
All Filings in ESE
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12 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $66,935,108 | 237,890 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $82,993,464 | 424,758 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $77,945,611 | 369,218 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $58,380,476 | 304,271 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $50,884,029 | 319,784 | Shares | Defined | 2025-05-13 | |
| 2024-12-31 | $50,633,653 | 380,104 | Shares | Defined | 2025-02-12 | |
| 2024-09-30 | $19,411,875 | 150,503 | Shares | Defined | 2024-11-14 | |
| 2021-09-30 | $326,557 | 4,241 | Shares | Defined | 2021-11-15 | |
| 2020-12-31 | $20,618,607 | 199,754 | Shares | Defined | 2021-02-12 | |
| 2020-09-30 | $23,758,271 | 294,914 | Shares | Defined | 2020-11-16 | |
| 2020-06-30 | $29,301,816 | 346,644 | Shares | Defined | 2020-08-14 | |
| 2020-03-31 | $26,563,412 | 349,933 | Shares | Defined | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||