Vanguard Group’s Castellum CTM Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q4
$3.14M Buy
3,473,227
+2,195,312
+172% +$2.34M ﹤0.01% 3418
2025
Q3
$1.39M Buy
1,277,915
+225,937
+21% +$263K ﹤0.01% 3686
2025
Q2
$1.1M Buy
1,051,978
+412,350
+64% +$423K ﹤0.01% 3716
2025
Q1
$678K Buy
639,628
+555,687
+662% +$590K ﹤0.01% 3814
2024
Q4
$168K Hold
83,941
﹤0.01% 4123
2024
Q3
$14.7K Hold
83,941
﹤0.01% 4314
2024
Q2
$15.6K Hold
83,941
﹤0.01% 4373
2024
Q1
$21.8K Buy
83,941
+266
+0.3% +$81 ﹤0.01% 4387
2023
Q4
$24.9K Buy
83,675
+30,506
+57% +$8.23K ﹤0.01% 4428
2023
Q3
$12.2K Buy
53,169
+30,176
+131% +$11.3K ﹤0.01% 4517
2023
Q2
$11.5K Buy
22,993
+800
+4% +$662 ﹤0.01% 4532
2023
Q1
$24.2K Buy
+22,193
New +$24.7K ﹤0.01% 4522

Other funds holding CTM

Vanguard Group's CTM Position: Q4 2025 in Review

Vanguard Group increased its Castellum (CTM) stake by 172% in Q4 2025, buying an estimated $2.34M and bringing the position to 3,473,227 shares worth $3.14M. The position accounts for ﹤0.01% of the portfolio, ranked #3418.

Vanguard Group first reported a position in CTM in Q1 2023 and has held it in 12 quarters since. 40 funds tracked by Wall St. Rank hold CTM as of Q4 2025.

  • Vanguard Group held 3,473,227 shares of Castellum worth $3.14M as of Q4 2025.
  • Vanguard Group bought 2,195,312 Castellum shares in Q4 2025, an estimated $2.34M.
  • Castellum made up ﹤0.01% of Vanguard Group's portfolio in Q4 2025, its #3418 holding.
  • Vanguard Group first reported a position in Castellum in Q1 2023 and has held it in 12 quarters since.
  • 40 funds tracked by Wall St. Rank held Castellum as of Q4 2025.

Based on Vanguard Group's 13F filing for Q4 2025, filed 29 Jan 2026.