Reliance Steel & Aluminum Co. (RS) ownership: Top institutional holder: BlackRock, Inc. ($1.77B). Insider activity: Net Seller (1 buys, 19 sells). 5 recent congressional STOCK Act disclosures. SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| BlackRock, Inc. | 5837457.00 | $1.77B | 2026-03-31 |
| VANGUARD GROUP INC | 6057140.00 | $1.75B | 2025-12-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 3379324.00 | $1.03B | 2026-03-31 |
| STATE STREET CORP | 2828519.00 | $859.64M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 2328236.00 | $707.60M | 2026-03-31 |
| Boston Partners | 2110934.00 | $641.66M | 2026-03-31 |
| WELLINGTON MANAGEMENT GROUP LLP | 1441470.00 | $438.09M | 2026-03-31 |
| FRANKLIN RESOURCES INC | 1059485.00 | $322.00M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-05-20 | |
| Sell | null | 2026-05-20 | |
| Sell | null | 2026-05-20 | |
| Sell | null | 2026-05-20 | |
| Sell | null | 2026-05-20 | |
| Sell | null | 2026-05-20 | |
| Sell | null | 2026-05-20 | |
| Sell | null | 2026-05-20 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.