Castellum
CTM
25 hedge funds and large institutions have $3.31M invested in Castellum in 2025 Q1 according to their latest regulatory filings, with 11 funds opening new positions, 6 increasing their positions, 5 reducing their positions, and 6 closing their positions.
83% more first-time investments, than exits
New positions opened: 11 | Existing positions closed: 6
25% more funds holding
Funds holding: 20 → 25 (+5)
20% more repeat investments, than reductions
Existing positions increased: 6 | Existing positions reduced: 5
3.37% less ownership
Funds ownership: 7.27% → 3.9% (-3.4%)
65% less capital invested
Capital invested by funds: $9.53M → $3.31M (-$6.22M)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Vanguard Group
Malvern,
Pennsylvania
|
+$590K |
| 2 |
BlackRock
New York
|
+$135K |
| 3 |
Geode Capital Management
Boston,
Massachusetts
|
+$126K |
| 4 |
State Street
Boston,
Massachusetts
|
+$113K |
| 5 |
CSS
Cubist Systematic Strategies
Stamford,
Connecticut
|
+$71.9K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AC
Armistice Capital
New York
|
-$3.07M |
| 2 |
Jane Street
New York
|
-$898K |
| 3 |
Bank of New York Mellon
New York
|
-$667K |
| 4 |
MFG
Magnus Financial Group
New York
|
-$500K |
| 5 |
UBS Group
Zurich,
Switzerland
|
-$35.5K |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
AC
26
Armistice Capital
New York
| – | -$3.07M | -1,535,505 | Closed |
|
|
27
Jane Street
New York
| – | -$898K | -449,001 | Closed |
|
|
MFG
28
Magnus Financial Group
New York
| – | -$500K | -250,000 | Closed |
|
|
WIA
29
World Investment Advisors
Santa Barbara,
California
| – | -$22K | -11,000 | Closed |
|
|
SA
30
Sanctuary Advisors
Indianapolis,
Indiana
| – | -$7.07K | -10,000 | Closed |
|
|
SS
31
Sunbelt Securities
Houston,
Texas
| – | -$7.74K | -3,000 | Closed |
|
CTM Hedge Fund Activity: Q1 2025 in Review
25 of the 7,459 institutional investors tracked by Wall St. Rank reported a position in Castellum (CTM) for Q1 2025, worth a combined $3.31M — down 65% from $9.53M a quarter earlier.
Buyers outnumbered sellers: 11 funds opened new CTM positions and 6 closed out — a net gain of 5 holders — while 6 added to existing stakes and 5 trimmed.
The largest buyer was Vanguard Group, adding an estimated $590K. The largest seller was Armistice Capital, exiting entirely with an estimated $3.07M sold.
- 25 institutional investors held Castellum (CTM) as of Q1 2025, up from 20 in Q4 2024.
- Funds reported $3.31M of Castellum stock for Q1 2025, down 65% quarter-over-quarter.
- 11 funds opened new Castellum positions in Q1 2025 and 6 closed out, a net change of +5 holders.
- The largest Castellum buyer in Q1 2025 was Vanguard Group, an estimated $590K added.
- The largest Castellum seller in Q1 2025 was Armistice Capital, an estimated $3.07M sold.
Based on aggregated 13F filings for Q1 2025.