Castellum (CTM) reported second-quarter 2026 revenue of $13.9 million, compared with $14.0 million in Q2 2025. Net loss was $1.1 million, or $0.01 per basic and diluted share, compared with a net loss of $0.3 million, or $0.00 per basic and diluted share, a year earlier.
For the first half of 2026, revenue rose 10% to $28.2 million, while gross profit increased 2% to $9.8 million. The company ended June 30 with $16.9 million in cash, no long-term debt and total backlog of $271.7 million.
- Q2 2026 revenue was $13.9 million, stable compared with $14.0 million in Q2 2025.
- First-half 2026 revenue increased 10% to $28.2 million from $25.7 million a year earlier.
- First-half net loss was $1.4 million, or $0.02 per basic and diluted share.
- Cash and cash equivalents were $16.9 million as of June 30, 2026.
- Total backlog was $271.7 million and qualified pipeline was $953.5 million as of June 30, 2026.
- Castellum said it expects full-year 2026 to be a record year in terms of revenue.
- The company scheduled a conference call for Friday, August 7, 2026, at 10 a.m. Eastern Time.
$CTM Insider Trading Activity
$CTM insiders have traded $CTM stock on the open market 6 times in the past 6 months. Of those trades, 4 have been purchases and 2 have been sales.
Here’s a breakdown of recent trading of $CTM stock by insiders over the last 6 months:
- CHARLES THOMAS MCMILLEN has made 0 purchases and 2 sales selling 85,000 shares for an estimated $65,228.
- GLEN R IVES (President) has made 2 purchases buying 12,000 shares for an estimated $7,880 and 0 sales.
- ANDREW MERRIMAN (Chief Operating Officer) has made 2 purchases buying 5,000 shares for an estimated $3,680 and 0 sales.
To track insider transactions, check out Quiver Quantitative's insider trading dashboard. You can access data on insider stock transactions through the Quiver Quantitative API insider transaction endpoint.
$CTM Hedge Fund Activity
We have seen 14 institutional investors add shares of $CTM stock to their portfolio, and 23 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- UBS GROUP AG removed 2,001,628 shares (-92.9%) from their portfolio in Q1 2026, for an estimated $1,179,959
- CAPTRUST FINANCIAL ADVISORS added 626,100 shares (+inf%) to their portfolio in Q1 2026, for an estimated $369,085
- GOLDMAN SACHS GROUP INC removed 353,526 shares (-100.0%) from their portfolio in Q1 2026, for an estimated $208,403
- QUADRATURE CAPITAL LTD removed 217,471 shares (-100.0%) from their portfolio in Q1 2026, for an estimated $128,199
- SEI INVESTMENTS CO removed 211,497 shares (-63.5%) from their portfolio in Q1 2026, for an estimated $124,677
- GEODE CAPITAL MANAGEMENT, LLC added 171,175 shares (+22.1%) to their portfolio in Q1 2026, for an estimated $100,907
- JANE STREET GROUP, LLC removed 107,068 shares (-31.1%) from their portfolio in Q1 2026, for an estimated $63,116
To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard. You can access data on hedge funds moves and 13F filings through the Quiver Quantitative API 13F endpoint.
