Mariner’s Reliance Steel & Aluminium RS Stock Holding History

Mariner’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	$450K	Buy	+1,481	New	+$470K	﹤0.01%	2569
2025 Q4	–	Sell	-3,384	Closed	-$950K	–	3769
2025 Q3	$950K	Sell	3,384 -912	-21%	-$274K	﹤0.01%	1947
2025 Q2	$1.35M	Buy	4,296 +109	+3%	+$32.2K	﹤0.01%	1595
2025 Q1	$1.21M	Sell	4,187 -1,178	-22%	-$337K	﹤0.01%	1562
2024 Q4	$1.44M	Buy	5,365 +158	+3%	+$46.9K	﹤0.01%	1400
2024 Q3	$1.51M	Sell	5,207 -349	-6%	-$99.9K	﹤0.01%	1345
2024 Q2	$1.59M	Sell	5,556 -817	-13%	-$246K	﹤0.01%	1233
2024 Q1	$2.13M	Buy	6,373 +1,222	+24%	+$372K	﹤0.01%	1076
2023 Q4	$1.44M	Buy	5,151 +266	+5%	+$70.6K	﹤0.01%	1212
2023 Q3	$1.28M	Buy	4,885 +408	+9%	+$113K	﹤0.01%	1197
2023 Q2	$1.22M	Buy	4,477 +109	+2%	+$27K	﹤0.01%	1191
2023 Q1	$1.12M	Buy	4,368 +308	+8%	+$72.5K	﹤0.01%	1211
2022 Q4	$822K	Buy	4,060 +1,227	+43%	+$244K	﹤0.01%	1334
2022 Q3	$494K	Buy	+2,833	New	+$521K	﹤0.01%	1432

Other funds holding RS

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Boston Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

Franklin Resources San Mateo, California $408B AUM 30.18% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Mariner's RS Position: Q1 2026 in Review

Mariner opened a new position in Reliance Steel & Aluminium (RS) in Q1 2026: 1,481 shares worth $450K. The stake represents ﹤0.01% of the portfolio and ranks #2569 among its holdings. This is a return to the name: Mariner previously reported a position in RS as recently as Q3 2025.

Mariner first reported a position in RS in Q3 2022 and has held it in 14 quarters since. The position peaked at $2.13M in Q1 2024. 642 funds tracked by Wall St. Rank hold RS as of Q1 2026.

Mariner held 1,481 shares of Reliance Steel & Aluminium worth $450K as of Q1 2026.
Reliance Steel & Aluminium was a new Mariner position in Q1 2026.
Reliance Steel & Aluminium made up ﹤0.01% of Mariner's portfolio in Q1 2026, its #2569 holding.
Mariner first reported a position in Reliance Steel & Aluminium in Q3 2022 and has held it in 14 quarters since.
Mariner's Reliance Steel & Aluminium position peaked at $2.13M in Q1 2024.
642 funds tracked by Wall St. Rank held Reliance Steel & Aluminium as of Q1 2026.

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