Reliance Steel & Aluminum Co.
Reliance Steel & Aluminum Co. (RS) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · RS · as of Mar 31, 2025
Ownership Breakdown
629
Institutional Holders
▲ 24 vs Q4
$12.51B
Total Inst. Value
▲ $538.12M vs Q4
51.05M
Shares Outstanding
freeFloat 99.54%
43.36M
13F Shares Held
▼ 1.31M vs Q4
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
RS largest shareholders · institutional ownership
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC wholesale-metals service centers & of fices | 6.34M | 11.94% | 11.94% | $1.83T | May 9, 2025 | ▼ 92.5K |
BLACKROCK, INC. wholesale-metals service centers & of fices | 5.80M | 10.93% | 10.93% | $1.68T | May 2, 2025 | ▲ 86.0K |
PRICE T ROWE ASSOCIATES INC /MD/ wholesale-metals service centers & of fices | 3.23M | 6.08% | 6.08% | $931.36B | May 14, 2025 | ▼ 484.3K |
STATE STREET CORP wholesale-metals service centers & of fices | 2.50M | 4.70% | 4.70% | $720.85B | May 15, 2025 | ▼ 564 |
WELLINGTON MANAGEMENT GROUP LLP wholesale-metals service centers & of fices | 1.45M | 2.73% | 2.73% | $418.50B | May 13, 2025 | ▼ 30.2K |
FRANKLIN RESOURCES INC wholesale-metals service centers & of fices | 1.06M | 2.00% | 2.00% | $307.26B | May 13, 2025 | ▲ 918.5K |
BOSTON PARTNERS wholesale-metals service centers & of fices | 1.02M | 1.93% | 1.93% | $295.05B | May 13, 2025 | ▲ 305.6K |
GEODE CAPITAL MANAGEMENT, LLC wholesale-metals service centers & of fices | 987.3K | 1.86% | 1.86% | $284.44B | May 13, 2025 | ▲ 44.9K |
DIMENSIONAL FUND ADVISORS LP wholesale-metals service centers & of fices | 876.6K | 1.65% | 1.65% | $253.10B | May 13, 2025 | ▼ 111.6K |
YACKTMAN ASSET MANAGEMENT LP wholesale-metals service centers & of fices | 763.2K | 1.44% | 1.44% | $220.37B | Apr 30, 2025 | ▼ 93.9K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
17
Increased
+1.92M shares2
New Positions
first time holders31
Decreased
−2.82M shares0
Sold Out
fully exitedNet shares change (top 50)
907.3K
+1.92M / −2.82M
Net new holders
-12
2 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
RS insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
8
Buy transactions
3
Sell transactions
2.67
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Sznewajs John G director | May 20, 2026 | Award | 469 | — | — | 469 | Form 4 ↗ |
Stotlar Douglas director | May 20, 2026 | Award | 469 | — | — | 469 | Form 4 ↗ |
Seeger David W director | May 20, 2026 | Award | 469 | — | — | 2.9K | Form 4 ↗ |
McEvoy Robert Ambrose director | May 20, 2026 | Award | 469 | — | — | 23.3K | Form 4 ↗ |
Kamsickas James Kevin director | May 20, 2026 | Award | 469 | — | — | 1.0K | Form 4 ↗ |
DELLAQUILA FRANK J director | May 20, 2026 | Award | 469 | — | — | 2.9K | Form 4 ↗ |
Colonias Karen Winifred director | May 20, 2026 | Award | 469 | — | — | 469 | Form 4 ↗ |
Baldwin Lisa director | May 20, 2026 | Award | 469 | — | — | 5.1K | Form 4 ↗ |
Ajemyan Arthur SVP, CFO | Apr 27, 2026 | Sale | 1,822 | $357.61 | $651.6K | 18.5K | Form 4 ↗ |
Ajemyan Arthur SVP, CFO | Apr 27, 2026 | Sale | 1,604 | $358.64 | $575.3K | 16.9K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Reliance Steel & Aluminum Co. (RS) is primarily owned by institutional investors, who hold approximately 84.9% of total shares outstanding. Company insiders own approximately 0.46%, while retail and public investors account for the remaining 14.61%.
The largest institutional shareholder of Reliance Steel & Aluminum Co. is VANGUARD GROUP INC, holding approximately 6.34 million shares — equal to 11.94% of outstanding shares — as of March 31, 2025.
A total of 629 institutional investors currently hold RS stock, with a combined institutional value of approximately $12.51 billion as of the most recent 13F filing period.
Frequently asked questions
RS ownershipReliance Steel & Aluminum Co. (RS) is primarily owned by institutional investors, who hold approximately 84.9% of shares. The largest shareholder is VANGUARD GROUP INC with a 11.94% stake. Company insiders hold 0.46%. Data sourced from SEC Form 13F as of March 31, 2025.