Magnetar Financial’s City Office REIT CIO Stock Holding History

Magnetar Financial’s Portfolio CIO Stock Details CIO Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-1,012,143	Closed	-$7.07M	–	1186
2025 Q4	$7.07M	Buy	1,012,143 +22,434	+2%	+$155K	0.07%	156
2025 Q3	$6.89M	Buy	+989,709	New	+$6.53M	0.04%	178
2018 Q1	–	Sell	-18,901	Closed	-$246K	–	610
2017 Q4	$246K	Buy	+18,901	New	+$248K	﹤0.01%	565
2017 Q2	–	Sell	-14,180	Closed	-$172K	–	815
2017 Q1	$172K	Buy	+14,180	New	+$179K	﹤0.01%	678
2016 Q2	–	Sell	-50,000	Closed	-$570K	–	385
2016 Q1	$570K	Buy	+50,000	New	+$592K	0.01%	164

Other funds holding CIO

IFP Advisors Tampa, Florida $5.54B AUM 27.43% 1-Year Est. Return

HNB

Huntington National Bank Columbus, Ohio $20.6B AUM 34.61% 1-Year Est. Return

Magnetar Financial's CIO Position: Q1 2026 in Review

Magnetar Financial sold out of City Office REIT (CIO) in Q1 2026, closing a stake of 1,012,143 shares — an estimated $7.07M sold.

Magnetar Financial first reported a position in CIO in Q1 2016 and held it in 5 quarters. The position peaked at $7.07M in Q4 2025. 2 funds tracked by Wall St. Rank hold CIO as of Q1 2026.

Magnetar Financial reported no remaining City Office REIT position as of Q1 2026 after selling out during the quarter.
Magnetar Financial sold 1,012,143 City Office REIT shares in Q1 2026, an estimated $7.07M.
Magnetar Financial first reported a position in City Office REIT in Q1 2016 and held it in 5 quarters.
Magnetar Financial's City Office REIT position peaked at $7.07M in Q4 2025.
2 funds tracked by Wall St. Rank held City Office REIT as of Q1 2026.

Based on Magnetar Financial's 13F filing for Q1 2026, filed 13 May 2026.