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TWO SIGMA SECURITIES, LLC

Broker-Dealer

Position in CTM — Castellum, Inc.

CIK 1450144 NEW YORK, NY

Position in CTM

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$29,181
+$20,201 QoQ
Shares Held
40,530
+166.3% QoQ
Ownership
0.043%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#17
of 35 holders
Holding Since
Sep 2023
8 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in CTM Over Time

Shares Held

Position Value (USD)

Position in Information Technology Services

Technology · as of Jun 30, 2026

TWO SIGMA SECURITIES, LLC holds $8,646,653 across 21 Information Technology Services names. CTM ranks #19 (0.3% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in CTM

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8 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $29,181 40,530
2026-03-31 $8,980 15,222
2025-09-30 $28,055 25,739
2025-03-31 $18,263 17,230
2024-09-30 $7,461 42,635
2024-06-30 $11,820 63,553
2024-03-31 $4,860 18,696
2023-09-30 $6,913 30,060