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M-tron Industries
MPTI

56 hedge funds and large institutions have $45.2M invested in M-tron Industries in 2025 Q1 according to their latest regulatory filings, with 9 funds opening new positions, 17 increasing their positions, 22 reducing their positions, and 12 closing their positions.

New
Increased
Maintained
Reduced
Closed

2.97% less ownership

Funds ownership: 37.85% → 34.87% (-3%)

5% less funds holding

Funds holding: 59 → 56 (-3)

14% less capital invested

Capital invested by funds: $52.6M → $45.2M (-$7.43M)

23% less repeat investments, than reductions

Existing positions increased: 17 | Existing positions reduced: 22

25% less first-time investments, than exits

New positions opened: 9 | Existing positions closed: 12

Holders
56
Holders Change
-3
Holders Change %
-5.08%
% of All Funds
0.75%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
9
Increased
17
Reduced
22
Closed
12
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
HIM
Herald Investment Management
United Kingdom
+$1.66M
2
Marshall Wace
Marshall Wace
United Kingdom
+$1.19M
3
SSA
Sierra Summit Advisors
Nevada
+$713K
4
Millennium Management
Millennium Management
New York
+$568K
5
Ameriprise
Ameriprise
Minnesota
+$520K

Top Sellers

Rank Fund Capital Flow
1
Walleye Capital
Walleye Capital
New York
-$1.56M
2
NCGI
Next Century Growth Investors
Minnesota
-$1.12M
3
EI
EAM Investors
California
-$929K
4
GIPM
G2 Investment Partners Management
New York
-$792K
5
EFA
Evernest Financial Advisors
Indiana
-$722K
Name Holding Trade Value Shares
Change 		Change in
Stake
MA
51
MCF Advisors
Kentucky
$3.92K -$1.28K -27 -23%
W
52
WealthCollab
Washington
$3.61K – – –
IA
53
IFP Advisors
Florida
$2.23K +$2.37K +50 New
CA
54
CoreCap Advisors
Michigan
$1.74K – – –
SS
55
SBI Securities
Japan
$891 – – –
FCMT
56
Founders Capital Management (Texas)
Texas
$223 – – –
EI
57
EAM Investors
California
– -$929K -19,188 Closed
EFA
58
Evernest Financial Advisors
Indiana
– -$722K -14,900 Closed
6CM
59
683 Capital Management
New York
– -$599K -12,365 Closed
Qube Research & Technologies (QRT)
60
Qube Research & Technologies (QRT)
United Kingdom
– -$498K -10,289 Closed
Janus Henderson Group
61
Janus Henderson Group
United Kingdom
– -$324K -6,687 Closed
VF
62
Virtu Financial
New York
– -$270K -5,578 Closed
LSA
63
Leonteq Securities AG
Switzerland
– -$48.7K -1,016 Closed
Citigroup
64
Citigroup
New York
– -$12.3K -255 Closed
QT
65
Quantbot Technologies
New York
– -$11.9K -245 Closed
N
66
Natixis
France
– -$11.9K -240 Closed
TRCT
67
Tower Research Capital (TRC)
New York
– -$5.18K -107 Closed
Fidelity Investments
68
Fidelity Investments
Massachusetts
– -$4.89K -101 Closed
1 2
3

MPTI Hedge Fund Activity: Q1 2025 in Review

56 of the 7,459 institutional investors tracked by Wall St. Rank reported a position in M-tron Industries (MPTI) for Q1 2025, worth a combined $45.2M — down 14% from $52.6M a quarter earlier.

Sellers outnumbered buyers: 12 funds closed out of MPTI and 9 opened new positions — a net loss of 3 holders — while 22 trimmed existing stakes and 17 added.

The largest buyer was Herald Investment Management, opening a new position worth an estimated $1.66M. The largest seller was Walleye Capital, cutting an estimated $1.56M.

  • 56 institutional investors held M-tron Industries (MPTI) as of Q1 2025, down from 59 in Q4 2024.
  • Funds reported $45.2M of M-tron Industries stock for Q1 2025, down 14% quarter-over-quarter.
  • 9 funds opened new M-tron Industries positions in Q1 2025 and 12 closed out, a net change of -3 holders.
  • The largest M-tron Industries buyer in Q1 2025 was Herald Investment Management, an estimated $1.66M added.
  • The largest M-tron Industries seller in Q1 2025 was Walleye Capital, an estimated $1.56M sold.

Based on aggregated 13F filings for Q1 2025.