Citadel Advisors
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Citadel Advisors’s ProShares Short Real Estate REK Stock Holding History

Citadel Advisors’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
-31,100
Closed -$515K – 13840
2025
Q3 		$515K Buy
31,100
+11,000
+55% +$185K ﹤0.01% 9063
2025
Q2 		$339K Buy
+20,100
New +$346K ﹤0.01% 9524
2024
Q4 		– Sell
-900
Closed -$14.5K – 15239
2024
Q3 		$14.5K Buy
900
+500
+125% +$8.67K ﹤0.01% 13021
2024
Q2 		$7.55K Buy
+400
New +$7.81K ﹤0.01% 13242
2023
Q4 		– Sell
-4,200
Closed -$91.9K – 15081
2023
Q3 		$91.9K Buy
4,200
+300
+8% +$6.1K ﹤0.01% 11002
2023
Q2 		$77K Sell
3,900
-40,600
-91% -$828K ﹤0.01% 11288
2023
Q1 		$891K Sell
44,500
-18,400
-29% -$361K ﹤0.01% 7034
2022
Q4 		$1.28M Buy
+62,900
New +$1.3M ﹤0.01% 6335

Other funds holding REK

IMC Chicago
IMC Chicago Chicago, Illinois $278B AUM 44.93% 1-Year Est. Return
Simplex Trading
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
TH
TCTC Holdings Dallas, Texas $3.51B AUM 30.71% 1-Year Est. Return
Morgan Stanley
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
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

Citadel Advisors's REK Position: Q2 2025 in Review

Citadel Advisors sold out of ProShares Short Real Estate (REK) in Q2 2025, closing a stake of 11,007 shares — an estimated $189K sold.

Citadel Advisors first reported a position in REK in Q4 2017 and held it in 18 quarters. The position peaked at $865K in Q4 2020. 5 funds tracked by Wall St. Rank hold REK as of Q2 2025.

  • Citadel Advisors reported no remaining ProShares Short Real Estate position as of Q2 2025 after selling out during the quarter.
  • Citadel Advisors sold 11,007 ProShares Short Real Estate shares in Q2 2025, an estimated $189K.
  • Citadel Advisors first reported a position in ProShares Short Real Estate in Q4 2017 and held it in 18 quarters.
  • Citadel Advisors's ProShares Short Real Estate position peaked at $865K in Q4 2020.
  • 5 funds tracked by Wall St. Rank held ProShares Short Real Estate as of Q2 2025.

Based on Citadel Advisors's 13F filing for Q2 2025, filed 14 Aug 2025.