XT
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XTX Topco’s Castellum CTM Stock Holding History

XTX Topco’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
Q2 		$15.8K Buy
+21,910
New +$15.6K ﹤0.01% 3949
2025
Q4 		– Sell
-204,717
Closed -$223K – 3393
2025
Q3 		$223K Buy
204,717
+68,921
+51% +$80.1K 0.01% 1760
2025
Q2 		$143K Buy
135,796
+70,377
+108% +$72.3K 0.01% 1799
2025
Q1 		$69.3K Buy
+65,419
New +$69.5K ﹤0.01% 1936
2024
Q4 		– Sell
-34,294
Closed -$6K – 2395
2024
Q3 		$6K Buy
34,294
+18,248
+114% +$3.18K ﹤0.01% 1968
2024
Q2 		$2.98K Sell
16,046
-14,065
-47% -$3.25K ﹤0.01% 1765
2024
Q1 		$7.83K Buy
30,111
+15,342
+104% +$4.65K ﹤0.01% 1686
2023
Q4 		$4.4K Buy
+14,769
New +$3.99K ﹤0.01% 1483

Other funds holding CTM

Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
MWM
Meridian Wealth Management Lexington, Kentucky $3.25B AUM 41% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
CAPTRUST Financial Advisors
CAPTRUST Financial Advisors Raleigh, North Carolina $65.5B AUM 24.25% 1-Year Est. Return
Vanguard Fiduciary Trust
Vanguard Fiduciary Trust Malvern, Pennsylvania $454B AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
SAI
Savvy Advisors Inc New York $4.71B AUM 25.36% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return

XTX Topco's CTM Position: Q2 2026 in Review

XTX Topco opened a new position in Castellum (CTM) in Q2 2026: 21,910 shares worth $15.8K. The stake represents ﹤0.01% of the portfolio and ranks #3949 among its holdings. This is a return to the name: XTX Topco previously reported a position in CTM as recently as Q3 2025.

XTX Topco first reported a position in CTM in Q4 2023 and has held it in 8 quarters since. The position peaked at $223K in Q3 2025. 35 funds tracked by Wall St. Rank hold CTM as of Q2 2026.

  • XTX Topco held 21,910 shares of Castellum worth $15.8K as of Q2 2026.
  • Castellum was a new XTX Topco position in Q2 2026.
  • Castellum made up ﹤0.01% of XTX Topco's portfolio in Q2 2026, its #3949 holding.
  • XTX Topco first reported a position in Castellum in Q4 2023 and has held it in 8 quarters since.
  • XTX Topco's Castellum position peaked at $223K in Q3 2025.
  • 35 funds tracked by Wall St. Rank held Castellum as of Q2 2026.

Based on XTX Topco's 13F filing for Q2 2026, filed 14 Aug 2026.