DOSSIER · 13F Holders · Q1 2026
ESP

ESPEY MFG & ELECTRS CORP

67 institutions still hold ESPEY MFG & ELECTRS CORP as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 296650104·67 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$42M
visible holders
Holders
67
filers reporting
Concentration
13.57%
RENAISSANCE TECHNOLOGIES LLC #1
top holder share
AI Holders Summary · Q1 2026

67 institutions reported ESP in Q1 2026. RENAISSANCE TECHNOLOGIES LLC leads at 13.6% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$6M103K0.01%Q1 2026
02
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$5M94K0.00%Q1 2026
03
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$5M85K0.00%Q1 2026
04
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
$3M62K0.00%Q1 2026
05
De Lisle Partners LLP
CIK 0002011184
$3M56K0.37%Q1 2026
06
AMERICAN CENTURY COMPANIES INC
CIK 0000748054
$3M53K0.00%Q1 2026
07
O'SHAUGHNESSY ASSET MANAGEMENT, LLC
CIK 0001423442
$2M31K0.01%Q1 2026
08
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$2M28K0.00%Q1 2026
09
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$1M26K0.00%Q1 2026
10
SEI INVESTMENTS CO
CIK 0000350894
$1M25K0.00%Q1 2026
11
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$1M24K0.00%Q1 2026
12
RITHOLTZ WEALTH MANAGEMENT
CIK 0001698218
$1M24K0.02%Q1 2026
13
Sidoxia Capital Management, LLC
CIK 0002132534
$1M19K0.93%Q2 2026
14
MARSHALL WACE, LLP
CIK 0001318757
$1M25K0.00%Q4 2025
15
Informed Momentum Co LLC
CIK 0001510989
$1M21K0.13%Q1 2026
16
SummerHaven Investment Management, LLC
CIK 0001846436
$1M16K0.58%Q2 2026
17
NAPLES GLOBAL ADVISORS, LLC
CIK 0001582151
$1M15K0.06%Q2 2026
18
STEEL PARTNERS HOLDINGS L.P.
CIK 0001452857
$921K17K0.96%Q1 2026
19
WELLS FARGO & COMPANY/MN
CIK 0000072971
$859K16K0.00%Q1 2026
20
Sage Investment Advisers LLC
CIK 0001925418
$825K12K0.55%Q2 2026
Page 1 of 4
47 more holders available. Log in →
Insiders at ESPEY MFG & ELECTRS CORP
Helmetag CarlCorr Paul J