AI summary pending
View Full Filing (SEC EDGAR)Castellum Inc
$0.54-4.3%
+$257.4K
Net Activity
+2.25% total shares
Institutions Holding
35
Popularity Rank
#7097
Avg Weight
0.00%
Total Value
$5.7M
Market Cap
$50.2M
35 institutions currently hold CTM, with 18 net buyers and 9 net sellers this quarter.
Institutional Moves (Q2 2026)
Majority Increased
Based on recent trading activity
Net Selling Institutions
9
Net Buying Institutions
18
Top 5 by Value
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Across its top 20 institutional holders, CTM's holder base skews toward low-concentration, low-turnover investors on average (avg. concentration score 9/100, avg. turnover score 34/100).
CTM ranks #7097 out of 37701 tracked stocks by institutional interest, inside the more closely watched half of our coverage.
35 institutions disclose a position in CTM, but none treat it as a major bet — even Meridian Wealth Management, LLC, its most concentrated holder, allocates just 0.0% of its own portfolio to it.
CTM reported a net loss of $2.3M over the trailing twelve months.
+$433.8K
Total Buy Value
$301.1K
Total Sell Value
18
Net Buyers
9
Net Sellers
CTM
Q2 2026
Top 5 Institutional Movers
CTM does not currently have enough recent insider (Form 4) trading activity to compute a convergence signal against its 13F institutional flows.
13F data as of 2026-09-30 quarterly filings. Note: many large institutions file close to the 45-day post-quarter deadline, so early-quarter flow figures can shift substantially as more filings arrive.
No Form 144 planned sale filings in the last 90 days
No Schedule 13D/13G filings for this ticker
5
Filings (14d)
AI summary pending
View Full Filing (SEC EDGAR)No AI summary for this filing type
View Full Filing (SEC EDGAR)No AI summary for this filing type
View Full Filing (SEC EDGAR)Castellum, Inc. (ticker: CTM) put out a press release on August 6, 2026, reporting its second-quarter and first-half 2026 financial results. This 8-K simply files that press release as Exhibit 99.1 — a standard disclosure for earnings news. Just note that this excerpt only confirms the earnings release; it does not include the actual revenue or profit figures.
View Full Filing (SEC EDGAR)Castellum, Inc. (CTM) issued a press release on July 31, 2026, saying it has scheduled its second-quarter earnings release and conference call. The filing doesn't include the specific date, call details, or any financial results—just confirmation that the event is on the calendar.
View Full Filing (SEC EDGAR)14838T204
The most-added stocks by 13F institutions this quarter
Institutions Holding
6,286
Total reported value
$2.2T
3257 13F institutions increased their position this quarter
Institutions Holding
6,033
Total reported value
$3.6T
3056 13F institutions increased their position this quarter
Institutions Holding
6,196
Total reported value
$1.8T
2997 13F institutions increased their position this quarter
The most widely held stocks tracked across all 13F institutions
Institutions Holding
4,153
Total reported value
$257.5B
Held by 4153 institutions — one of the most-tracked stocks on AlphaSMO
Institutions Holding
4,142
Total reported value
$279.7B
Held by 4142 institutions — one of the most-tracked stocks on AlphaSMO
Institutions Holding
4,139
Total reported value
$713.3B
Held by 4139 institutions — one of the most-tracked stocks on AlphaSMO
Access CTM's institutional ownership data programmatically:
REST API
curl https://alphasmo.com/api/v1/market/stock/CTMCLI
npx alphasmo stocks get CTMFull API & MCP documentation →