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Castellum

27 hedge funds and large institutions have $4.56M invested in Castellum in 2026 Q1 according to their latest regulatory filings, with 8 funds opening new positions, 4 increasing their positions, 5 reducing their positions, and 19 closing their positions.

New
Increased
Maintained
Reduced
Closed

5.56% less ownership

Funds ownership: 13.73%8.18% (-5.6%)

20% less repeat investments, than reductions

Existing positions increased: 4 | Existing positions reduced: 5

33% less funds holding

Funds holding: 4027 (-13)

58% less first-time investments, than exits

New positions opened: 8 | Existing positions closed: 19

61% less capital invested

Capital invested by funds: $11.7M → $4.56M (-$7.17M)

Holders
27
Holders Change
-13
Holders Change %
-32.5%
% of All Funds
0.33%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
8
Increased
4
Reduced
5
Closed
19
Calls
Puts
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
Citigroup
26
Citigroup
New York
$4.15K -$17.7K -19,791 -74%
Jones Financial Companies
27
Jones Financial Companies
Missouri
$3.95K +$179 +200 +3%
EIM
28
Essex Investment Management
Massachusetts
-$1.91M -2,114,029 Closed
LCM
29
Legato Capital Management
California
-$615K -680,945 Closed
Goldman Sachs
30
Goldman Sachs
New York
-$319K -353,526 Closed
QC
31
Quadrature Capital
United Kingdom
-$196K -217,471 Closed
Susquehanna International Group
32
Susquehanna International Group
Pennsylvania
-$92.6K -102,556 Closed
Bank of New York Mellon
33
Bank of New York Mellon
New York
-$90.3K -100,002 Closed
Two Sigma Investments
34
Two Sigma Investments
New York
-$68.1K -75,384 Closed
IA
35
Inspire Advisors
Idaho
-$37.7K -41,700 Closed
Point72 Asset Management
36
Point72 Asset Management
Connecticut
-$31.3K -34,668 Closed
Squarepoint
37
Squarepoint
New York
-$24.2K -26,781 Closed
Royal Bank of Canada
38
Royal Bank of Canada
Ontario, Canada
-$20K -22,000 Closed
CC
39
Centiva Capital
New York
-$17.5K -19,409 Closed
PAS
40
PKS Advisory Services
New York
-$17.1K -18,931 Closed
VF
41
Virtu Financial
New York
-$15K -16,804 Closed
RWM
42
Revisor Wealth Management
Ohio
-$12.3K -12,922 Closed
IAA
43
Independent Advisor Alliance
North Carolina
-$11.6K -12,835 Closed
SFCL
44
Strengthening Families & Communities LLC
Massachusetts
-$2.71K -3,000 Closed
TRCT
45
Tower Research Capital (TRC)
New York
-$2.69K -2,973 Closed
Bank of America
46
Bank of America
North Carolina
-$782 -866 Closed

CTM Hedge Fund Activity: Q1 2026 in Review

27 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Castellum (CTM) for Q1 2026, worth a combined $4.56M — down 61% from $11.7M a quarter earlier.

Sellers outnumbered buyers: 19 funds closed out of CTM and 8 opened new positions — a net loss of 11 holders — while 5 trimmed existing stakes and 4 added.

The largest buyer was CAPTRUST Financial Advisors, opening a new position worth an estimated $559K. The largest seller was Essex Investment Management, exiting entirely with an estimated $1.91M sold.

  • 27 institutional investors held Castellum (CTM) as of Q1 2026, down from 40 in Q4 2025.
  • Funds reported $4.56M of Castellum stock for Q1 2026, down 61% quarter-over-quarter.
  • 8 funds opened new Castellum positions in Q1 2026 and 19 closed out, a net change of -11 holders.
  • The largest Castellum buyer in Q1 2026 was CAPTRUST Financial Advisors, an estimated $559K added.
  • The largest Castellum seller in Q1 2026 was Essex Investment Management, an estimated $1.91M sold.

Based on aggregated 13F filings for Q1 2026.