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Espey Mfg & Electronics Corp
ESP

63 hedge funds and large institutions have $51.9M invested in Espey Mfg & Electronics Corp in 2026 Q1 according to their latest regulatory filings, with 19 funds opening new positions, 16 increasing their positions, 17 reducing their positions, and 3 closing their positions.

New
Increased
Maintained
Reduced
Closed

533% more first-time investments, than exits

New positions opened: 19 | Existing positions closed: 3

41% more capital invested

Capital invested by funds: $36.9M → $51.9M (+$15M)

24% more funds holding

Funds holding: 51 → 63 (+12)

4.95% more ownership

Funds ownership: 26.66% → 31.6% (+4.9%)

0% more funds holding in top 10

Funds holding in top 10: 1 → 1 (0)

6% less repeat investments, than reductions

Existing positions increased: 16 | Existing positions reduced: 17

Holders
63
Holders Change
+12
Holders Change %
+23.53%
% of All Funds
0.78%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.01%
New
19
Increased
16
Reduced
17
Closed
3
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
Millennium Management
Millennium Management
New York
+$1.5M
2
SEI Investments
SEI Investments
Pennsylvania
+$1.36M
3
EI
EAM Investors
California
+$1.12M
4
Citadel Advisors
Citadel Advisors
Florida
+$1.11M
5
American Century Companies
American Century Companies
Missouri
+$909K

Top Sellers

1
Marshall Wace
Marshall Wace
United Kingdom
-$843K
2
HIM
Hillsdale Investment Management
Ontario, Canada
-$325K
3
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
-$304K
4
HBCM
Heron Bay Capital Management
Michigan
-$272K
5
Wells Fargo
Wells Fargo
California
-$246K
Name Holding Trade Value Shares
Change 		Change in
Stake
Renaissance Technologies
1
Renaissance Technologies
New York
$5.72M -$5.46K -100 -0.1%
Dimensional Fund Advisors
2
Dimensional Fund Advisors
Texas
$5.18M -$304K -5,570 -6%
VCM
3
Vanguard Capital Management
Pennsylvania
$4.71M +$4.65M +85,006 New
Arrowstreet Capital
4
Arrowstreet Capital
Massachusetts
$3.43M – – –
DLP
5
De Lisle Partners
United Kingdom
$3.13M – – –
American Century Companies
6
American Century Companies
Missouri
$2.94M +$909K +16,637 +46%
OSAM
7
O'Shaughnessy Asset Management
Connecticut
$1.71M +$216K +3,955 +15%
Millennium Management
8
Millennium Management
New York
$1.53M +$1.5M +27,532 New
Two Sigma Investments
9
Two Sigma Investments
New York
$1.44M +$322K +5,884 +29%
SEI Investments
10
SEI Investments
Pennsylvania
$1.38M +$1.36M +24,968 New
Geode Capital Management
11
Geode Capital Management
Massachusetts
$1.36M -$13K -238 -1%
RWM
12
Ritholtz Wealth Management
New York
$1.33M +$343K +6,277 +35%
EI
13
EAM Investors
California
$1.14M +$1.12M +20,510 New
Citadel Advisors
14
Citadel Advisors
Florida
$1.12M +$1.11M +20,280 New
SCM
15
Sidoxia Capital Management
California
$1.03M +$1.02M +18,633 New
SPH
16
Steel Partners Holdings
New York
$921K – – –
SIM
17
SummerHaven Investment Management
Connecticut
$888K -$106K -1,932 -11%
Wells Fargo
18
Wells Fargo
California
$859K -$246K -4,500 -22%
NGA
19
Naples Global Advisors
Florida
$825K +$23.8K +436 +3%
SIA
20
Sage Investment Advisers
New York
$823K +$328 +6 +0%
VFT
21
Vanguard Fiduciary Trust
Pennsylvania
$725K +$715K +13,085 New
Bank of New York Mellon
22
Bank of New York Mellon
New York
$661K -$6.07K -111 -0.9%
Cambridge Investment Research Advisors
23
Cambridge Investment Research Advisors
Iowa
$614K -$984 -18 -0.2%
State Street
24
State Street
Massachusetts
$604K -$95.6K -1,750 -14%
Man Group
25
Man Group
United Kingdom
$600K +$234K +4,283 +66%
1
2 3

ESP Hedge Fund Activity: Q1 2026 in Review

63 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Espey Mfg & Electronics Corp (ESP) for Q1 2026, worth a combined $51.9M — up 41% from $36.9M a quarter earlier.

Buyers outnumbered sellers: 19 funds opened new ESP positions and 3 closed out — a net gain of 16 holders — while 16 added to existing stakes and 17 trimmed.

The largest buyer was Millennium Management, opening a new position worth an estimated $1.5M. The largest seller was Marshall Wace, cutting an estimated $843K.

  • 63 institutional investors held Espey Mfg & Electronics Corp (ESP) as of Q1 2026, up from 51 in Q4 2025.
  • Funds reported $51.9M of Espey Mfg & Electronics Corp stock for Q1 2026, up 41% quarter-over-quarter.
  • 19 funds opened new Espey Mfg & Electronics Corp positions in Q1 2026 and 3 closed out, a net change of +16 holders.
  • The largest Espey Mfg & Electronics Corp buyer in Q1 2026 was Millennium Management, an estimated $1.5M added.
  • The largest Espey Mfg & Electronics Corp seller in Q1 2026 was Marshall Wace, an estimated $843K sold.

Based on aggregated 13F filings for Q1 2026.