Jane Street’s ProShares Short Ether Strategy ETF SETH Stock Holding History

Jane Street’s Portfolio SETH Stock Details SETH Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$662K	Buy	+13,471	New	+$656K	﹤0.01%	7386
2025 Q4	–	Sell	-11,118	Closed	-$374K	–	12248
2025 Q3	$374K	Buy	+11,118	New	+$431K	﹤0.01%	8467
2025 Q2	–	Sell	-2,916	Closed	-$292K	–	10757
2025 Q1	$292K	Sell	2,916 -4,168	-59%	-$319K	﹤0.01%	7852
2024 Q4	$436K	Buy	+7,084	New	+$517K	﹤0.01%	7063
2024 Q3	–	Sell	-4,455	Closed	-$336K	–	10322
2024 Q2	$336K	Buy	+4,455	New	+$347K	﹤0.01%	7635

Other funds holding SETH

Sykon Capital Harrison, New York $300M AUM 16.74% 1-Year Est. Return

BBHC

Brown Brothers Harriman & Co New York $18.6B AUM 15.81% 1-Year Est. Return

Simplex Trading Chicago, Illinois $149B AUM 62.07% 1-Year Est. Return

Jane Street's SETH Position: Q1 2026 in Review

Jane Street opened a new position in ProShares Short Ether Strategy ETF (SETH) in Q1 2026: 13,471 shares worth $662K. The stake represents ﹤0.01% of the portfolio and ranks #7386 among its holdings. This is a return to the name: Jane Street previously reported a position in SETH as recently as Q3 2025.

Jane Street first reported a position in SETH in Q2 2024 and has held it in 5 quarters since. 4 funds tracked by Wall St. Rank hold SETH as of Q1 2026.

Jane Street held 13,471 shares of ProShares Short Ether Strategy ETF worth $662K as of Q1 2026.
ProShares Short Ether Strategy ETF was a new Jane Street position in Q1 2026.
ProShares Short Ether Strategy ETF made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #7386 holding.
Jane Street first reported a position in ProShares Short Ether Strategy ETF in Q2 2024 and has held it in 5 quarters since.
4 funds tracked by Wall St. Rank held ProShares Short Ether Strategy ETF as of Q1 2026.

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