SEI Investments
CTM icon

SEI Investments’s Castellum CTM Stock Holding History

SEI Investments’s Portfolio CTM Stock Details CTM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
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

VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
MWM
Meridian Wealth Management Lexington, Kentucky $2.85B AUM 31.23% 1-Year Est. Return
CAPTRUST Financial Advisors
CAPTRUST Financial Advisors Raleigh, North Carolina $57.3B AUM 18.32% 1-Year Est. Return
VFT
Vanguard Fiduciary Trust Malvern, Pennsylvania $396B AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Jane Street
Jane Street New York $777B AUM 61.18% 1-Year Est. Return
SAI
Savvy Advisors Inc New York $3.75B AUM 21.95% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return

SEI Investments's CTM Position: Q1 2026 in Review

SEI Investments reduced its Castellum (CTM) stake by 63% in Q1 2026, selling an estimated $189K and leaving 121,574 shares worth $71.7K. The position accounts for ﹤0.01% of the portfolio, ranked #3141.

SEI Investments first reported a position in CTM in Q4 2025 and has held it in 2 quarters since. The position peaked at $301K in Q4 2025. 27 funds tracked by Wall St. Rank hold CTM as of Q1 2026.

  • SEI Investments held 121,574 shares of Castellum worth $71.7K as of Q1 2026.
  • SEI Investments sold 211,497 Castellum shares in Q1 2026, an estimated $189K.
  • Castellum made up ﹤0.01% of SEI Investments's portfolio in Q1 2026, its #3141 holding.
  • SEI Investments first reported a position in Castellum in Q4 2025 and has held it in 2 quarters since.
  • SEI Investments's Castellum position peaked at $301K in Q4 2025.
  • 27 funds tracked by Wall St. Rank held Castellum as of Q1 2026.

Based on SEI Investments's 13F filing for Q1 2026, filed 13 May 2026.