Yorktown Management & Research Co Inc
Position in ESE — Esco Technologies Inc
CIK 1313559
Forest, VA
Position in ESE
as of Jun 30, 2026
· filed Jul 23, 2026
Position Value
$778,839
+$152,791 QoQ
Shares Held
2,225
0.0% QoQ
Ownership
0.009%
of shares outstanding
% of Portfolio
0.51%
of 13F equity value
Holder Rank
#233
of 447 holders
Holding Since
Dec 2025
3 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ESE Over Time
Shares Held
Position Value (USD)
Position in Scientific & Technical Instruments
Technology · as of Jun 30, 2026Yorktown Management & Research Co Inc holds $1,379,049 across 2 Scientific & Technical Instruments names. ESE ranks #1 (56.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ESE |
Esco Technologies Inc
This page
|
2,225 | $778,839 | |
| 2 | TDY |
Teledyne Technologies Inc
|
900 | $600,210 |
All Filings in ESE
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3 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $778,839 | 2,225 | Shares | Sole | 2026-07-23 | |
| 2026-03-31 | $626,048 | 2,225 | Shares | Sole | 2026-04-20 | |
| 2025-12-31 | $219,813 | 1,125 | Shares | Sole | 2026-01-23 | |
| No filing history on record for this holder in this stock. | ||||||