Jane Street’s Castellan Targeted Equity ETF CTEF Stock Holding History

Jane Street’s Portfolio CTEF Stock Details CTEF Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$590K	Buy	8,687 +1,771	+26%	+$127K	﹤0.01%	7663
2025 Q4	$462K	Buy	+6,916	New	+$453K	﹤0.01%	7885
2025 Q3	–	Sell	-45,203	Closed	-$2.37M	–	12184
2025 Q2	$2.37M	Buy	+45,203	New	+$2.32M	﹤0.01%	4153

Other funds holding CTEF

Castellan Group Louisville, Kentucky $912M AUM 55.71% 1-Year Est. Return

GAM

Gotham Asset Management New York $32.7B AUM 27.65% 1-Year Est. Return

GTS Securities New York $2.83B AUM 21.76% 1-Year Est. Return

Jane Street's CTEF Position: Q1 2026 in Review

Jane Street increased its Castellan Targeted Equity ETF (CTEF) stake by 26% in Q1 2026, buying an estimated $127K and bringing the position to 8,687 shares worth $590K. The position accounts for ﹤0.01% of the portfolio, ranked #7663.

Jane Street first reported a position in CTEF in Q2 2025 and has held it in 3 quarters since. The position peaked at $2.37M in Q2 2025. 4 funds tracked by Wall St. Rank hold CTEF as of Q1 2026.

Jane Street held 8,687 shares of Castellan Targeted Equity ETF worth $590K as of Q1 2026.
Jane Street bought 1,771 Castellan Targeted Equity ETF shares in Q1 2026, an estimated $127K.
Castellan Targeted Equity ETF made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #7663 holding.
Jane Street first reported a position in Castellan Targeted Equity ETF in Q2 2025 and has held it in 3 quarters since.
Jane Street's Castellan Targeted Equity ETF position peaked at $2.37M in Q2 2025.
4 funds tracked by Wall St. Rank held Castellan Targeted Equity ETF as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.