Jane Street’s ProShares Short Real Estate REK Stock Holding History

Jane Street’s Portfolio REK Stock Details REK Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q4	–	Sell	-10,000	Closed	-$166K	–	12156
2025 Q3	$166K	Hold	10,000	–	–	﹤0.01%	9814
2025 Q2	$169K	Hold	10,000	–	–	﹤0.01%	8665
2025 Q1	$169K	Buy	+10,000	New	+$171K	﹤0.01%	8566

Other funds holding REK

IMC Chicago Chicago, Illinois $419B AUM 72.04% 1-Year Est. Return

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

PUI

Purpose Unlimited Inc Toronto $2.42B AUM

SIS

Sound Income Strategies Ft Lauderdale, Florida $2.23B AUM 11.22% 1-Year Est. Return

TCTC Holdings Dallas, Texas $3.81B AUM 32.17% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

HNB

Huntington National Bank Columbus, Ohio $18.1B AUM 24.69% 1-Year Est. Return

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

Jane Street's REK Position: Q1 2024 in Review

Jane Street sold out of ProShares Short Real Estate (REK) in Q1 2024, closing a stake of 15,825 shares — an estimated $289K sold.

Jane Street first reported a position in REK in Q4 2013 and held it in 9 quarters. The position peaked at $569K in Q4 2013. 15 funds tracked by Wall St. Rank hold REK as of Q1 2024.

Jane Street reported no remaining ProShares Short Real Estate position as of Q1 2024 after selling out during the quarter.
Jane Street sold 15,825 ProShares Short Real Estate shares in Q1 2024, an estimated $289K.
Jane Street first reported a position in ProShares Short Real Estate in Q4 2013 and held it in 9 quarters.
Jane Street's ProShares Short Real Estate position peaked at $569K in Q4 2013.
15 funds tracked by Wall St. Rank held ProShares Short Real Estate as of Q1 2024.

Based on Jane Street's 13F filing for Q1 2024, filed 16 May 2024.