Jane Street’s 707 Cayman Holdings JEM Stock Holding History

Jane Street’s Portfolio JEM Stock Details JEM Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$23.4K	Buy	+1,006	New	+$32.6K	﹤0.01%	11166
2025 Q4	–	Sell	-71	Closed	-$6.87K	–	12874
2025 Q3	$6.87K	Buy	+71	New	+$51.2K	﹤0.01%	10599

Other funds holding JEM

XTX Topco George Town, Cayman Islands $5.75B AUM 30.56% 1-Year Est. Return

UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Jane Street's JEM Position: Q1 2026 in Review

Jane Street opened a new position in 707 Cayman Holdings (JEM) in Q1 2026: 1,006 shares worth $23.4K. The stake represents ﹤0.01% of the portfolio and ranks #11166 among its holdings. This is a return to the name: Jane Street previously reported a position in JEM as recently as Q3 2025.

Jane Street first reported a position in JEM in Q3 2025 and has held it in 2 quarters since. 5 funds tracked by Wall St. Rank hold JEM as of Q1 2026.

Jane Street held 1,006 shares of 707 Cayman Holdings worth $23.4K as of Q1 2026.
707 Cayman Holdings was a new Jane Street position in Q1 2026.
707 Cayman Holdings made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #11166 holding.
Jane Street first reported a position in 707 Cayman Holdings in Q3 2025 and has held it in 2 quarters since.
5 funds tracked by Wall St. Rank held 707 Cayman Holdings as of Q1 2026.

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