Castellum
33 hedge funds and large institutions have $7.3M invested in Castellum in 2025 Q2 according to their latest regulatory filings, with 14 funds opening new positions, 8 increasing their positions, 2 reducing their positions, and 6 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 capital invested
Capital invested by funds: $ → $
more funds holding
Funds holding: →
4.18% more ownership
Funds ownership: 3.9% → 8.08% (+4.2%)
Holders
33
Holding in Top 10
–
Calls
–
Puts
–
Top Buyers
| 1 | +$2.15M | |
| 2 | +$638K | |
| 3 | +$423K | |
| 4 |
Jane Street
New York
|
+$200K |
| 5 |
SAI
Savvy Advisors Inc
New York
|
+$196K |
Top Sellers
| 1 | -$244K | |
| 2 | -$103K | |
| 3 | -$47.4K | |
| 4 |
TRCT
Tower Research Capital (TRC)
New York
|
-$41.3K |
| 5 |
MML Investors Services
Springfield,
Massachusetts
|
-$30K |