Comparable stake leader
JB CAPITAL PARTNERS LP
SEC ownership of Ryerson Holding Corp
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001481582.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
10 Apr 2026
- Public ticker
- RYZ on NYSE
- Parsed ownership sources
-
13D/G, 13F, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
JB CAPITAL PARTNERS LP
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
JB CAPITAL PARTNERS LP
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
10 Apr 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001481582
- Issuer location
- Chicago, IL
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of Ryerson Holding Corp (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
JB CAPITAL PARTNERS LP
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
10 Apr 2026
13D/G
13F
3/4/5
Lead comparable stake: 7.3%
13D/G row: JB CAPITAL PARTNERS LP
Showing 1-8 of 50 holder rows.
Quick read
JB CAPITAL PARTNERS LP leads the comparable SEC ownership view at 7.3%.
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens JB CAPITAL PARTNERS LP's linked filing trail.
Comparable ownership
Top 5
JB CAPITAL PARTNERS LP
7.3%
BlackRock, Inc.
6.6%
FRANKLIN RESOURCES INC
5.9%
DIMENSIONAL FUND ADVISORS LP
5.2%
DONALD SMITH & CO., INC.
3.8%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| JB CAPITAL PARTNERS LP |
13D/G
13F
Alan W. Weber · Company
|
7.3%
|
$66,343,777
2,343,475 shares
|
+$6,013,214 | 31 Dec 2025 |
| BlackRock, Inc. |
13F
13D/G
Company
|
6.6%
from 13D/G
|
$107,786,177
4,794,759 shares
|
— | 31 Mar 2026 |
| FRANKLIN RESOURCES INC |
13D/G
13F
Company
|
5.9%
|
$68,163,384
3,032,179 shares
|
$0 | 31 Mar 2026 |
| DIMENSIONAL FUND ADVISORS LP |
13F
13D/G
Company
|
5.2%
from 13D/G
|
$71,405,308
3,176,442 shares
|
— | 31 Mar 2026 |
| DONALD SMITH & CO., INC. |
13F
13D/G
Company
|
3.8%
from 13D/G
|
$43,991,854
1,956,933 shares
|
— | 31 Mar 2026 |
| Michael D. Siegal |
3/4/5
Director
|
3.5%
|
$51,672,148
1,825,226 shares
|
— | 13 Feb 2026 |
| Stephen P. Larson |
3/4/5
Director
|
0.19%
|
$2,180,509
96,993 shares
|
— | 10 Apr 2026 |
| Peter Jennings Scott |
3/4/5
Director
|
0.02%
|
$243,550
8,603 shares
|
— | 13 Feb 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to selling over the last 12 months. Net value: -$2,838,569.
Buys
$0
Insiders: 0
Sells
$2,838,569
Insiders: 5
Net
-$2,838,569
Shares: -100,175
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 100,175
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 17,674 | $0 | $492,558 | -$492,558 |
| 3-6 | 0 | 4,972 | $0 | $149,160 | -$149,160 |
| 6-9 | 0 | 60,001 | $0 | $1,803,578 | -$1,803,578 |
| 9-12 | 0 | 17,528 | $0 | $393,273 | -$393,273 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-20 of 20 reporting-owner rows connected to Ryerson Holding Corp. Open a relationship link for the CIK-to-CIK filing trail.
Rows
20
Largest Forms 3/4/5 holder
PLATINUM EQUITY, LLC
Net 12M change
-$2,838,569
Latest report
18 Jun 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| PLATINUM EQUITY, LLC | 10%+ Owner | $124,209,729 | Mixed | 08 Aug 2023 | ||
| Michael D. Siegal | Director | $51,672,148 | Mixed | 13 Feb 2026 | ||
| Edward J. Lehner | CEO, Director | $30,018,402 | -$1,803,578 | -5.7% | Mixed | 18 Jun 2026 |
| Mark S. Silver | EVP, Chief Legal/Risk Officer | $3,581,303 | -$311,843 | -8% | Mixed | 18 Jun 2026 |
| Marabito Richard T. | President & COO, Director | $3,547,016 | Mixed | 18 Jun 2026 | ||
| James J. Claussen | Executive Vice President & CFO | $2,529,438 | -$149,160 | -5.6% | Mixed | 18 Jun 2026 |
| Stephen P. Larson | Director | $2,180,509 | Mixed | 10 Apr 2026 | ||
| John E. Orth | EVP, Operations | $1,860,773 | Mixed | 18 Jun 2025 | ||
| Andrew S. Greiff | Evp | $961,832 | Mixed | 18 Jun 2026 | ||
| Molly D. Kannan | CAO & Corporate Controller | $902,707 | -$236,938 | -21% | Mixed | 18 Jun 2026 |
| Alagu Sundarrajan | Chief Information Officer | $533,648 | -$337,050 | -39% | Mixed | 18 Dec 2025 |
| Richard P. Stovsky | Director | $397,960 | Mixed | 10 Apr 2026 | ||
| Michael Burbach | Chief Operating Officer | $289,390 | Mixed | 18 Jun 2025 | ||
| Peter Jennings Scott | Director | $243,550 | Mixed | 13 Feb 2026 | ||
| Court D. Carruthers | Director | $136,595 | Mixed | 10 Apr 2026 | ||
| Karen Marie Leggio | Director | $118,520 | Mixed | 10 Apr 2026 | ||
| Kirk K. Calhoun | Director | $102,873 | Mixed | 10 Apr 2026 | ||
| Michelle Kumbier | Director | $70,703 | Mixed | 10 Apr 2026 | ||
| Crawford Bruce T. | Director | $32,642 | Mixed | 10 Apr 2026 | ||
| Philip E. Norment | Director | Mixed | 30 Apr 2026 |
Recent insider transactions for Ryerson Holding Corp
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Andrew S. Greiff | RYZ | Restricted Stock Units | Award | 0.68% | 79.49 | 11,822 | 18 Jun 2026 | Direct | ||
| James J. Claussen | RYZ | Restricted Stock Units | Award | 1.36% | 179 | 13,289 | 18 Jun 2026 | Direct | ||
| Mark S. Silver | RYZ | Restricted Stock Units | Award | 1.35% | 133 | 9,967 | 18 Jun 2026 | Direct | ||
| Edward J. Lehner | RYZ | Restricted Stock Units | Award | 1.4% | 503 | 36,546 | 18 Jun 2026 | Direct | ||
| Molly D. Kannan | RYZ | Restricted Stock Units | Award | 1.36% | 89.44 | 6,645 | 18 Jun 2026 | Direct | ||
| Marabito Richard T. | RYZ | Restricted Stock Units | Award | 0.68% | 109 | 16,256 | 18 Jun 2026 | Direct | ||
| Molly D. Kannan | RYZ | Common Stock (par value $0.01 per share) | Sale | -3.9% | $30,000 | $30.00 | -1,000 | 24,636 | 11 Jun 2026 | Direct |
| Molly D. Kannan | RYZ | Common Stock (par value $0.01 per share) | Sale | -10.5% | $85,260 | $28.42 | -3,000 | 25,636 | 29 May 2026 | Direct |
| Mark S. Silver | RYZ | Common Stock (par value $0.01 per share) | Sale | -8.51% | $311,843 | $27.91 | -11,174 | 120,181 | 28 May 2026 | Direct |
| Molly D. Kannan | RYZ | Common Stock (par value $0.01 per share) | Sale | -8.03% | $65,456 | $26.18 | -2,500 | 28,636 | 13 May 2026 | Direct |
| Kirk K. Calhoun | RYZ | Common Stock (par value $0.01 per share) | Award | 9.29% | 389 | 4,576 | 10 Apr 2026 | Direct | ||
| Court D. Carruthers | RYZ | Common Stock (par value $0.01 per share) | Award | 6.84% | 389 | 6,076 | 10 Apr 2026 | Direct | ||
| Crawford Bruce T. | RYZ | Common Stock (par value $0.01 per share) | Award | 36.6% | 389 | 1,452 | 10 Apr 2026 | Direct | ||
| Michelle Kumbier | RYZ | Common Stock (par value $0.01 per share) | Award | 14.1% | 389 | 3,145 | 10 Apr 2026 | Direct | ||
| Stephen P. Larson | RYZ | Common Stock (par value $0.01 per share) | Award | 0.48% | 462 | 96,993 | 10 Apr 2026 | Direct | ||
| Karen Marie Leggio | RYZ | Common Stock (par value $0.01 per share) | Award | 7.97% | 389 | 5,272 | 10 Apr 2026 | Direct | ||
| Richard P. Stovsky | RYZ | Common Stock (par value $0.01 per share) | Award | 1.16% | 203 | 17,702 | 10 Apr 2026 | Direct | ||
| Marabito Richard T. | RYZ | Restricted Stock Units | Award | 16,148 | 16,148 | 31 Mar 2026 | Direct | |||
| Mark S. Silver | RYZ | Common Stock (par value $0.01 per share) | Tax liability | -5.41% | -7,509 | 131,355 | 31 Mar 2026 | Direct | ||
| Mark S. Silver | RYZ | Common Stock (par value $0.01 per share) | Options Exercise | 14.6% | 17,748 | 138,864 | 31 Mar 2026 | Direct | ||
| Mark S. Silver | RYZ | Restricted Stock Units | Award | 9,900 | 9,900 | 31 Mar 2026 | Direct | |||
| Mark S. Silver | RYZ | Restricted Stock Units | Options Exercise | -100% | -9,373 | 0 | 31 Mar 2026 | Direct | ||
| Edward J. Lehner | RYZ | Common Stock (par value $0.01 per share) | Tax liability | -4.72% | -32,000 | 645,564 | 31 Mar 2026 | Direct | ||
| Edward J. Lehner | RYZ | Common Stock (par value $0.01 per share) | Options Exercise | 12.6% | 75,586 | 677,564 | 31 Mar 2026 | Direct | ||
| Edward J. Lehner | RYZ | Restricted Stock Units | Award | 36,300 | 36,300 | 31 Mar 2026 | Direct | |||
| Edward J. Lehner | RYZ | Restricted Stock Units | Options Exercise | -100% | -38,736 | 0 | 31 Mar 2026 | Direct | ||
| Molly D. Kannan | RYZ | Common Stock (par value $0.01 per share) | Tax liability | -13.1% | -4,691 | 31,136 | 31 Mar 2026 | Direct | ||
| Molly D. Kannan | RYZ | Common Stock (par value $0.01 per share) | Options Exercise | 52.4% | 12,311 | 35,827 | 31 Mar 2026 | Direct | ||
| Molly D. Kannan | RYZ | Restricted Stock Units | Award | 6,600 | 6,600 | 31 Mar 2026 | Direct | |||
| Molly D. Kannan | RYZ | Restricted Stock Units | Options Exercise | -100% | -6,448 | 0 | 31 Mar 2026 | Direct | ||
| James J. Claussen | RYZ | Common Stock (par value $0.01 per share) | Tax liability | -10.5% | -10,415 | 88,488 | 31 Mar 2026 | Direct | ||
| James J. Claussen | RYZ | Common Stock (par value $0.01 per share) | Options Exercise | 33.1% | 24,619 | 98,903 | 31 Mar 2026 | Direct | ||
| James J. Claussen | RYZ | Restricted Stock Units | Award | 13,200 | 13,200 | 31 Mar 2026 | Direct | |||
| James J. Claussen | RYZ | Restricted Stock Units | Options Exercise | -100% | -12,894 | 0 | 31 Mar 2026 | Direct | ||
| Andrew S. Greiff | RYZ | Restricted Stock Units | Award | 11,744 | 11,744 | 31 Mar 2026 | Direct | |||
| Molly D. Kannan | RYZ | Restricted Stock Units | Award | 1.8% | 120 | 6,826 | 19 Mar 2026 | Direct | ||
| Edward J. Lehner | RYZ | Restricted Stock Units | Award | 1.92% | 708 | 37,541 | 19 Mar 2026 | Direct | ||
| Mark S. Silver | RYZ | Restricted Stock Units | Award | 1.76% | 177 | 10,238 | 19 Mar 2026 | Direct | ||
| James J. Claussen | RYZ | Restricted Stock Units | Award | 1.8% | 241 | 13,651 | 19 Mar 2026 | Direct | ||
| Edward J. Lehner | RYZ | Common Stock (par value $0.01 per share) | Options Exercise | 1.47% | 8,750 | 601,978 | 26 Feb 2026 | Direct | ||
| Edward J. Lehner | RYZ | Employee Stock Options (right to buy) | Options Exercise | -100% | -8,750 | 0 | 26 Feb 2026 | Direct | ||
| Peter Jennings Scott | RYI | Common Stock (par value $0.01 per share) | Award | 8,603 | 8,603 | 13 Feb 2026 | Direct | |||
| Richard P. Stovsky | RYI | Common Stock (par value $0.01 per share) | Award | 17,499 | 17,499 | 13 Feb 2026 | Direct | |||
| Richard P. Stovsky | RYI | Restricted Stock Units | Award | 13,092 | 5,873 | 13 Feb 2026 | Direct | |||
| Michael D. Siegal | RYI | Common Stock (par value $0.01 per share) | Award | 1,825,226 | 1,825,226 | 13 Feb 2026 | Direct | |||
| Marabito Richard T. | RYI | Common Stock (par value $0.01 per share) | Award | 125,292 | 125,292 | 13 Feb 2026 | Direct | |||
| Marabito Richard T. | RYI | Restricted Stock Units | Award | 304,521 | 150,496 | 13 Feb 2026 | Direct | |||
| Andrew S. Greiff | RYI | Common Stock (par value $0.01 per share) | Award | 33,975 | 33,975 | 13 Feb 2026 | Direct | |||
| Andrew S. Greiff | RYI | Restricted Stock Units | Award | 159,703 | 94,254 | 13 Feb 2026 | Direct | |||
| James J. Claussen | RYI | Common Stock (par value $0.01 per share) | Sale | -6.27% | $149,160 | $30.00 | -4,972 | 74,284 | 03 Feb 2026 | Direct |
* marks a reported price that did not pass the local price check.