SEI Investments’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
Sell
-121,574
Closed -$71.7K 3304
2026
Q1
$71.7K Sell
121,574
-211,497
-63% -$189K ﹤0.01% 3141
2025
Q4
$301K Buy
+333,071
New +$356K ﹤0.01% 2742

Other funds holding CTM

SEI Investments's CTM Position: Q2 2026 in Review

SEI Investments sold out of Castellum (CTM) in Q2 2026, closing a stake of 121,574 shares — an estimated $71.7K sold.

SEI Investments first reported a position in CTM in Q4 2025 and held it in 2 quarters. The position peaked at $301K in Q4 2025. 35 funds tracked by Wall St. Rank hold CTM as of Q2 2026.

  • SEI Investments reported no remaining Castellum position as of Q2 2026 after selling out during the quarter.
  • SEI Investments sold 121,574 Castellum shares in Q2 2026, an estimated $71.7K.
  • SEI Investments first reported a position in Castellum in Q4 2025 and held it in 2 quarters.
  • SEI Investments's Castellum position peaked at $301K in Q4 2025.
  • 35 funds tracked by Wall St. Rank held Castellum as of Q2 2026.

Based on SEI Investments's 13F filing for Q2 2026, filed 14 Aug 2026.