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Cubist Systematic Strategies’s Castellum CTM Stock Holding History

Cubist Systematic Strategies’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
2025
Q3 		$28.6K Sell
26,266
-67,886
-72% -$78.9K ﹤0.01% 2883
2025
Q2 		$98.9K Buy
94,152
+26,472
+39% +$27.2K ﹤0.01% 2714
2025
Q1 		$71.7K Buy
+67,680
New +$71.9K ﹤0.01% 2674

Other funds holding CTM

EIM
Essex Investment Management Boston, Massachusetts $632M AUM 95.36% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
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
LCM
Legato Capital Management San Francisco, California $1.1B AUM 61.65% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $544B AUM 28.31% 1-Year Est. Return
Jane Street
Jane Street New York $777B AUM 61.18% 1-Year Est. Return
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

Cubist Systematic Strategies's CTM Position: Q3 2025 in Review

Cubist Systematic Strategies reduced its Castellum (CTM) stake by 72% in Q3 2025, selling an estimated $78.9K and leaving 26,266 shares worth $28.6K. The position accounts for ﹤0.01% of the portfolio, ranked #2883.

Cubist Systematic Strategies first reported a position in CTM in Q1 2025 and has held it in 3 quarters since. The position peaked at $98.9K in Q2 2025. 42 funds tracked by Wall St. Rank hold CTM as of Q3 2025.

  • Cubist Systematic Strategies held 26,266 shares of Castellum worth $28.6K as of Q3 2025.
  • Cubist Systematic Strategies sold 67,886 Castellum shares in Q3 2025, an estimated $78.9K.
  • Castellum made up ﹤0.01% of Cubist Systematic Strategies's portfolio in Q3 2025, its #2883 holding.
  • Cubist Systematic Strategies first reported a position in Castellum in Q1 2025 and has held it in 3 quarters since.
  • Cubist Systematic Strategies's Castellum position peaked at $98.9K in Q2 2025.
  • 42 funds tracked by Wall St. Rank held Castellum as of Q3 2025.

Based on Cubist Systematic Strategies's 13F filing for Q3 2025, filed 14 Nov 2025.