Two Sigma Securities’s Castellum CTM Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$29.2K Buy
40,530
+25,308
+166% +$18K ﹤0.01% 1445
2026
Q1
$8.97K Buy
+15,222
New +$13.6K ﹤0.01% 1476
2025
Q4
Sell
-25,739
Closed -$28.1K 1569
2025
Q3
$28.1K Buy
+25,739
New +$29.9K ﹤0.01% 1078
2025
Q2
Sell
-17,230
Closed -$18.3K 1596
2025
Q1
$18.3K Buy
+17,230
New +$18.3K ﹤0.01% 1117
2024
Q4
Sell
-42,635
Closed -$7.46K 1968
2024
Q3
$7.46K Sell
42,635
-20,918
-33% -$3.64K ﹤0.01% 2643
2024
Q2
$11.8K Buy
63,553
+44,857
+240% +$10.4K ﹤0.01% 2786
2024
Q1
$4.87K Buy
+18,696
New +$5.67K ﹤0.01% 2840
2023
Q4
Sell
-30,060
Closed -$6.92K 3116
2023
Q3
$6.92K Buy
+30,060
New +$11.2K ﹤0.01% 2754

Other funds holding CTM

Two Sigma Securities's CTM Position: Q2 2026 in Review

Two Sigma Securities increased its Castellum (CTM) stake by 166% in Q2 2026, buying an estimated $18K and bringing the position to 40,530 shares worth $29.2K. The position accounts for ﹤0.01% of the portfolio, ranked #1445.

Two Sigma Securities first reported a position in CTM in Q3 2023 and has held it in 8 quarters since. 35 funds tracked by Wall St. Rank hold CTM as of Q2 2026.

  • Two Sigma Securities held 40,530 shares of Castellum worth $29.2K as of Q2 2026.
  • Two Sigma Securities bought 25,308 Castellum shares in Q2 2026, an estimated $18K.
  • Castellum made up ﹤0.01% of Two Sigma Securities's portfolio in Q2 2026, its #1445 holding.
  • Two Sigma Securities first reported a position in Castellum in Q3 2023 and has held it in 8 quarters since.
  • 35 funds tracked by Wall St. Rank held Castellum as of Q2 2026.

Based on Two Sigma Securities's 13F filing for Q2 2026, filed 14 Aug 2026.