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WELLINGTON MANAGEMENT GROUP LLP

Position in ESE — Esco Technologies Inc

CIK 902219 Boston, MA

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, 2026

WELLINGTON 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
4 ESE
Esco Technologies Inc
This page
237,890 $66,935,108

All Filings in ESE

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12 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $66,935,108 237,890
2025-12-31 $82,993,464 424,758
2025-09-30 $77,945,611 369,218
2025-06-30 $58,380,476 304,271
2025-03-31 $50,884,029 319,784
2024-12-31 $50,633,653 380,104
2024-09-30 $19,411,875 150,503
2021-09-30 $326,557 4,241
2020-12-31 $20,618,607 199,754
2020-09-30 $23,758,271 294,914
2020-06-30 $29,301,816 346,644
2020-03-31 $26,563,412 349,933