Boston Partners
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Boston Partners’s Reliance Steel & Aluminium RS Stock Holding History

Boston Partners’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
Q2 		$822M Buy
2,196,803
+85,869
+4% +$31.4M 0.73% 36
2026
Q1 		$642M Sell
2,110,934
-77,006
-4% -$24.5M 0.67% 40
2025
Q4 		$633M Sell
2,187,940
-59,663
-3% -$16.8M 0.66% 38
2025
Q3 		$631M Buy
2,247,603
+484,286
+27% +$145M 0.65% 43
2025
Q2 		$552M Buy
1,763,317
+741,417
+73% +$219M 0.61% 45
2025
Q1 		$295M Buy
1,021,900
+305,620
+43% +$87.4M 0.36% 93
2024
Q4 		$193M Buy
716,280
+50,528
+8% +$15M 0.23% 154
2024
Q3 		$193M Buy
+665,752
New +$191M 0.23% 157
2017
Q2 		– Sell
-168,634
Closed -$13.5M – 778
2017
Q1 		$13.5M Buy
168,634
+11,894
+8% +$976K 0.02% 361
2016
Q4 		$12.5M Buy
156,740
+107,991
+222% +$8.23M 0.02% 385
2016
Q3 		$3.51M Hold
48,749
– – ﹤0.01% 558
2016
Q2 		$3.75M Sell
48,749
-5,333
-10% -$391K 0.01% 534
2016
Q1 		$3.74M Sell
54,082
-10,116
-16% -$612K 0.01% 517
2015
Q4 		$3.72M Sell
64,198
-10,202
-14% -$593K 0.01% 526
2015
Q3 		$4.02M Sell
74,400
-21,132
-22% -$1.24M 0.01% 518
2015
Q2 		$5.78M Hold
95,532
– – 0.01% 488
2015
Q1 		$5.83M Sell
95,532
-48,260
-34% -$2.72M 0.01% 491
2014
Q4 		$8.81M Hold
143,792
– – 0.01% 431
2014
Q3 		$9.84M Buy
+143,792
New +$10.2M 0.02% 404

Other funds holding RS

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Franklin Resources
Franklin Resources San Mateo, California $462B AUM 39.16% 1-Year Est. Return
YAM
Yacktman Asset Management Austin, Texas $8.09B AUM 19.03% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Boston Partners's RS Position: Q2 2026 in Review

Boston Partners increased its Reliance Steel & Aluminium (RS) stake by 4.1% in Q2 2026, buying an estimated $31.4M and bringing the position to 2,196,803 shares worth $822M. The position accounts for 0.73% of the portfolio, ranked #36.

Boston Partners first reported a position in RS in Q3 2014 and has held it in 19 quarters since. 680 funds tracked by Wall St. Rank hold RS as of Q2 2026.

  • Boston Partners held 2,196,803 shares of Reliance Steel & Aluminium worth $822M as of Q2 2026.
  • Boston Partners bought 85,869 Reliance Steel & Aluminium shares in Q2 2026, an estimated $31.4M.
  • Reliance Steel & Aluminium made up 0.73% of Boston Partners's portfolio in Q2 2026, its #36 holding.
  • Boston Partners first reported a position in Reliance Steel & Aluminium in Q3 2014 and has held it in 19 quarters since.
  • 680 funds tracked by Wall St. Rank held Reliance Steel & Aluminium as of Q2 2026.

Based on Boston Partners's 13F filing for Q2 2026, filed 4 Aug 2026.