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

CenterBook 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
Q3 		$3.48M Buy
9,057
+6,776
+297% +$2.69M 0.16% 156
2026
Q2 		$852K Buy
2,281
+1,254
+122% +$458K 0.04% 390
2026
Q1 		$312K Sell
1,027
-2,541
-71% -$807K 0.02% 545
2025
Q4 		$1.03M Sell
3,568
-8,157
-70% -$2.29M 0.05% 368
2025
Q3 		$3.29M Buy
+11,725
New +$3.52M 0.16% 180

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Principal Financial Group
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Bank of New York Mellon
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Robeco Institutional Asset Management
Robeco Institutional Asset Management Rotterdam, Netherlands $83.2B AUM 35.34% 1-Year Est. Return
Deroy & Devereaux Private Investment Counsel
Deroy & Devereaux Private Investment Counsel Bloomfield Hills, Michigan $2.31B AUM 43.14% 1-Year Est. Return
KBC Group
KBC Group Brussels, Belgium $47.9B AUM 37.61% 1-Year Est. Return
Bahl & Gaynor
Bahl & Gaynor Cincinnati, Ohio $21B AUM 23.02% 1-Year Est. Return
Luther King Capital Management (LKCM)
Luther King Capital Management (LKCM) Fort Worth, Texas $24.3B AUM 19.37% 1-Year Est. Return
Retirement Systems of Alabama
Retirement Systems of Alabama Montgomery, Alabama $33.9B AUM 30.31% 1-Year Est. Return

CenterBook Partners's RS Position: Q3 2026 in Review

CenterBook Partners increased its Reliance Steel & Aluminium (RS) stake by 297% in Q3 2026, buying an estimated $2.69M and bringing the position to 9,057 shares worth $3.48M. The position accounts for 0.16% of the portfolio, ranked #156.

CenterBook Partners first reported a position in RS in Q3 2025 and has held it in 5 quarters since. 304 funds tracked by Wall St. Rank hold RS as of Q3 2026.

  • CenterBook Partners held 9,057 shares of Reliance Steel & Aluminium worth $3.48M as of Q3 2026.
  • CenterBook Partners bought 6,776 Reliance Steel & Aluminium shares in Q3 2026, an estimated $2.69M.
  • Reliance Steel & Aluminium made up 0.16% of CenterBook Partners's portfolio in Q3 2026, its #156 holding.
  • CenterBook Partners first reported a position in Reliance Steel & Aluminium in Q3 2025 and has held it in 5 quarters since.
  • 304 funds tracked by Wall St. Rank held Reliance Steel & Aluminium as of Q3 2026.

Based on CenterBook Partners's 13F filing for Q3 2026, filed 2 Nov 2026.