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Castellum
42 hedge funds and large institutions have $9.27M invested in Castellum in 2025 Q3 according to their latest regulatory filings, with 14 funds opening new positions, 16 increasing their positions, 4 reducing their positions, and 5 closing their positions.
New
Increased
Maintained
Reduced
Closed
more repeat investments, than reductions
Existing positions increased: | Existing positions reduced:
more first-time investments, than exits
New positions opened: | Existing positions closed:
more funds holding
Funds holding: →
more capital invested
Capital invested by funds: $ → $
1.07% more ownership
Funds ownership: 8.08% → 9.15% (+1.1%)
Holders
42
Holding in Top 10
–
Calls
–
Puts
–
Top Buyers
| 1 | +$428K | |
| 2 | +$263K | |
| 3 | +$172K | |
| 4 |
Jane Street
New York
|
+$164K |
| 5 |
BlackRock
New York
|
+$160K |
Top Sellers
| 1 | -$174K | |
| 2 | -$110K | |
| 3 | -$78.9K | |
| 4 |
HF
HRT Financial
New York
|
-$52K |
| 5 |
Squarepoint
New York
|
-$25.1K |