Jane Street’s FPA Short Duration Government ETF FPAS Stock Holding History

Jane Street’s Portfolio FPAS Stock Details FPAS Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$352K	Buy	14,049 +2,526	+22%	+$63.6K	﹤0.01%	8863
2025 Q4	$292K	Sell	11,523 -17,555	-60%	-$446K	﹤0.01%	8897
2025 Q3	$741K	Buy	29,078 +17,030	+141%	+$432K	﹤0.01%	6964
2025 Q2	$306K	Buy	+12,048	New	+$304K	﹤0.01%	7828

Other funds holding FPAS

MFIM

Mesirow Financial Investment Management Chicago, Illinois $6.37B AUM 23.22% 1-Year Est. Return

SFS

Sunrise Financial Services Burien, Washington $141M AUM

Jane Street's FPAS Position: Q1 2026 in Review

Jane Street increased its FPA Short Duration Government ETF (FPAS) stake by 22% in Q1 2026, buying an estimated $63.6K and bringing the position to 14,049 shares worth $352K. The position accounts for ﹤0.01% of the portfolio, ranked #8863.

Jane Street first reported a position in FPAS in Q2 2025 and has held it in 4 quarters since. The position peaked at $741K in Q3 2025. 3 funds tracked by Wall St. Rank hold FPAS as of Q1 2026.

Jane Street held 14,049 shares of FPA Short Duration Government ETF worth $352K as of Q1 2026.
Jane Street bought 2,526 FPA Short Duration Government ETF shares in Q1 2026, an estimated $63.6K.
FPA Short Duration Government ETF made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #8863 holding.
Jane Street first reported a position in FPA Short Duration Government ETF in Q2 2025 and has held it in 4 quarters since.
Jane Street's FPA Short Duration Government ETF position peaked at $741K in Q3 2025.
3 funds tracked by Wall St. Rank held FPA Short Duration Government ETF as of Q1 2026.

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