Castellum, Inc. — Institutional Ownership

Which tracked institutions hold CTM, and how they changed the position last quarter. Latest holdings as of Jun 30, 2026. Source: SEC 13-F filings.

4
Funds holding
$683756
Total value held
Flat
1 added/new · 1 reduced
# Institution Value Shares Δ Shares Change (QoQ)
1 State Street Corp $218778 303900 Held
2 Blackrock, Inc. $191123 265486 Held
3 Ubs Group Ag $150450 208958 +208958 NEW BUY
4 Northern Trust Corp $123405 171420 -10482 -5.76%

Aggregated across tracked institutional filers. Reported quarterly on SEC Form 13-F and may lag. For research only — not investment advice.