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.
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: 40 → 27 (-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)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
CAPTRUST Financial Advisors
Raleigh,
North Carolina
|
+$559K |
| 2 |
Geode Capital Management
Boston,
Massachusetts
|
+$153K |
| 3 |
MWM
Meridian Wealth Management
Lexington,
Kentucky
|
+$36.3K |
| 4 |
HF
HRT Financial
New York
|
+$30.2K |
| 5 |
CAI
Capital Advisors Inc
Tulsa,
Oklahoma
|
+$19.6K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
EIM
Essex Investment Management
Boston,
Massachusetts
|
-$1.91M |
| 2 |
UBS Group
Zurich,
Switzerland
|
-$1.79M |
| 3 |
LCM
Legato Capital Management
San Francisco,
California
|
-$615K |
| 4 |
Goldman Sachs
New York
|
-$319K |
| 5 |
QC
Quadrature Capital
London,
United Kingdom
|
-$196K |
CTM Hedge Fund Activity: Q1 2026 in Review
27 of the 8,198 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.