Jane Street’s Castellum CTM Stock Holding History
Bought
Maintained
Sold
Other funds holding CTM
MWM
SAI
Jane Street's CTM Position: Q2 2026 in Review
Jane Street reduced its Castellum (CTM) stake by 45% in Q2 2026, selling an estimated $76.6K and leaving 129,071 shares worth $92.9K. The position accounts for ﹤0.01% of the portfolio, ranked #10637.
Jane Street first reported a position in CTM in Q2 2024 and has held it in 8 quarters since. The position peaked at $898K in Q4 2024. 35 funds tracked by Wall St. Rank hold CTM as of Q2 2026.
- Jane Street held 129,071 shares of Castellum worth $92.9K as of Q2 2026.
- Jane Street sold 107,703 Castellum shares in Q2 2026, an estimated $76.6K.
- Castellum made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #10637 holding.
- Jane Street first reported a position in Castellum in Q2 2024 and has held it in 8 quarters since.
- Jane Street's Castellum position peaked at $898K in Q4 2024.
- 35 funds tracked by Wall St. Rank held Castellum as of Q2 2026.
Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.