Castellum
CTM · NYSE American
$0.572+$0.0049 (+0.86%)TodayMarket closed ·
Prev close $0.5671
Who owns CTM
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 18.0% of CTM’s shares.
- Wright (Jay O)7.5%
- Vanguard Capital Management, LLC3.3%
- Fuller (Mark C)3.1%
- Meridian Wealth Management, LLC0.9%
- Next 6 largest institutions3.2%
- All other shareholders82.0%
| Holder | Shares | % of shares |
|---|---|---|
| Wright (Jay O) | 7.13M | 7.53% |
| Vanguard Capital Management, LLC | 3.09M | 3.27% |
| Fuller (Mark C) | 2.92M | 3.09% |
| Meridian Wealth Management, LLC | 863.20K | 0.91% |
| Geode Capital Management, L.L.C. | 816.04K | 0.86% |
| CAPTRUST Financial Advisors | 626.10K | 0.66% |
| Merriman (Andrew) | 538.53K | 0.57% |
| Vanguard Fiduciary Trust Co | 492.72K | 0.52% |
| State Street Investment Management (US) | 303.90K | 0.32% |
| BlackRock Institutional Trust Company, N.A. | 265.49K | 0.28% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Vanguard Total Stock Market Index Fund | 2.19M | 2.31% |
| Vanguard Extended Market Index Fund | 818.27K | 0.86% |
| Fidelity Extended Market Index Fund | 402.73K | 0.43% |
| Fidelity Total Market Index Fund | 132.46K | 0.14% |
| Fidelity Series Total Market Index Fund | 115.89K | 0.12% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders bought $37.10K (10 trades) of CTM on the open market, with no sales.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Bell David T | Buy | 1.40K | $747 |
| Merriman Andrew | Buy | 1.40K | $747 |
| Ives Glen R | Buy | 1.70K | $910 |
| MARTIN TAMMY L | Buy | 1.40K | $747 |
| Merriman Andrew | Buy | 10.00K | $6.20K |
| Merriman Andrew | Buy | 40.00K | $24.77K |
| Merriman Andrew | Buy | 1.20K | $736 |
| Bell David T | Buy | 1.20K | $736 |
| Ives Glen R | Award | 773.63K | — |
| Ives Glen R | Buy | 1.26K | $772 |
Short interest
Settled Sep 30, 2026
- Shares short
- 5.42M
- Days to cover
- 13.14
- % of shares outstanding
- 5.73%
- Average daily volume
- 412.73K
- Change since last report
- −0.0%
Information on this page is provided for informational purposes only and is not a recommendation to buy, sell or hold any security. Investing involves risk, including possible loss of principal. Market data is delayed at least 15 minutes and is provided without warranty. Analyst ratings, price targets and company data come from third-party sources. Past performance does not guarantee future results.