| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13G | 2024-02-13 | VANGUARD GROUP INC | Ryerson Holding Corp | 2,299,288 | 6.7% | EDGAR |
| SC 13G/A | 2024-02-12 | PLATINUM EQUITY, LLC | Ryerson Holding Corp | 3,924,478 | 11.5% | EDGAR |
| SC 13G | 2024-02-09 | DIMENSIONAL FUND ADVISORS LP | Ryerson Holding Corp | 2,258,261 | 6.6% | EDGAR |
| SC 13G | 2024-01-24 | BlackRock Inc. | Ryerson Holding Corp | 3,126,766 | 9.2% | EDGAR |
| SC 13G/A | 2023-05-05 | BlackRock Inc. | Ryerson Holding Corp | 1,768,275 | 5.0% | EDGAR |
| SC 13G/A | 2023-02-09 | PLATINUM EQUITY, LLC | Ryerson Holding Corp | 15,924,478 | 43.0% | EDGAR |
| SC 13G | 2023-02-03 | BlackRock Inc. | Ryerson Holding Corp | 1,973,993 | 5.3% | EDGAR |
| SC 13G/A | 2021-02-12 | TOWLE & CO | Ryerson Holding Corp | 1,553,001 | 4.1% | EDGAR |
| SC 13G/A | 2020-02-14 | TOWLE & CO | Ryerson Holding Corp | 2,127,669 | 5.6% | EDGAR |
| SC 13G/A | 2019-02-14 | TOWLE & CO | Ryerson Holding Corp | 2,219,642 | 5.9% | EDGAR |
| SC 13G | 2018-02-13 | TOWLE & CO | Ryerson Holding Corp | 2,067,313 | 5.6% | EDGAR |
| SC 13G/A | 2017-02-14 | TOWLE & CO | Ryerson Holding Corp | 1,835,918 | 4.9% | EDGAR |
| SC 13D/A | 2016-11-23 | Ryerson Holding Corp | CASTLE A M & CO | 1,397,428 | 4.3% | EDGAR |
| SC 13G/A | 2016-02-12 | RYPS, LLC | Ryerson Holding Corp | 21,037,500,000 | 65.5% | EDGAR |
| SC 13G/A | 2016-02-10 | PRICE T ROWE ASSOCIATES INC /MD/ | Ryerson Holding Corp | 1,079,782 | 3.3% | EDGAR |
| SC 13G | 2016-02-10 | TOWLE & CO | Ryerson Holding Corp | 2,646,655 | 8.2% | EDGAR |
| SC 13G | 2015-02-17 | PLATINUM EQUITY CAPITAL PARTNERS LP | Ryerson Holding Corp | 302,275,657 | 9.4% | EDGAR |
| SC 13G | 2015-02-12 | PRICE T ROWE ASSOCIATES INC /MD/ | Ryerson Holding Corp | 2,862,730 | 8.9% | EDGAR |