Magnetar Financial’s Reliance Steel & Aluminium RS Stock Holding History

Magnetar Financial’s Portfolio RS Stock Details RS Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-4,178	Closed	-$1.21M	–	1363
2025 Q4	$1.21M	Sell	4,178 -8,720	-68%	-$2.45M	0.01%	414
2025 Q3	$3.62M	Buy	+12,898	New	+$3.87M	0.02%	278
2022 Q4	–	Sell	-1,292	Closed	-$225K	–	924
2022 Q3	$225K	Sell	1,292 -2,278	-64%	-$419K	﹤0.01%	907
2022 Q2	$606	Buy	+3,570	New	+$667K	0.01%	1093
2021 Q4	–	Sell	-4,246	Closed	-$605K	–	1525
2021 Q3	$605K	Buy	+4,246	New	+$638K	0.01%	844
2020 Q4	–	Sell	-2,137	Closed	-$218K	–	866
2020 Q3	$218K	Buy	+2,137	New	+$218K	﹤0.01%	597
2018 Q3	–	Sell	-10,350	Closed	-$906K	–	675
2018 Q2	$906K	Sell	10,350 -8,149	-44%	-$741K	0.01%	159
2018 Q1	$1.59M	Buy	+18,499	New	+$1.65M	0.03%	126
2017 Q2	–	Sell	-4,390	Closed	-$351K	–	940
2017 Q1	$351K	Buy	+4,390	New	+$360K	0.01%	529
2016 Q3	–	Sell	-4,255	Closed	-$327K	–	596
2016 Q2	$327K	Buy	+4,255	New	+$312K	0.01%	280

Other funds holding RS

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

Franklin Resources San Mateo, California $462B AUM 39.16% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Magnetar Financial's RS Position: Q1 2026 in Review

Magnetar Financial sold out of Reliance Steel & Aluminium (RS) in Q1 2026, closing a stake of 4,178 shares — an estimated $1.21M sold.

Magnetar Financial first reported a position in RS in Q2 2016 and held it in 10 quarters. The position peaked at $3.62M in Q3 2025. 643 funds tracked by Wall St. Rank hold RS as of Q1 2026.

Magnetar Financial reported no remaining Reliance Steel & Aluminium position as of Q1 2026 after selling out during the quarter.
Magnetar Financial sold 4,178 Reliance Steel & Aluminium shares in Q1 2026, an estimated $1.21M.
Magnetar Financial first reported a position in Reliance Steel & Aluminium in Q2 2016 and held it in 10 quarters.
Magnetar Financial's Reliance Steel & Aluminium position peaked at $3.62M in Q3 2025.
643 funds tracked by Wall St. Rank held Reliance Steel & Aluminium as of Q1 2026.

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