Ryerson Holding Corp - Common Stock, $0.01 par value, 100,000,000 shares authorized (RYZ)

Q: What does CUSIP 783754104 represent in this 13F holders report?

CUSIP 783754104 is the security identifier for RYZ - Ryerson Holding Corp - Common Stock, $0.01 par value, 100,000,000 shares authorized used to aggregate holder disclosures.

Q: How many institutions held RYZ - Ryerson Holding Corp - Common Stock, $0.01 par value, 100,000,000 shares authorized in Q3 2026?

41 institutional investors reported RYZ - Ryerson Holding Corp - Common Stock, $0.01 par value, 100,000,000 shares authorized for Q3 2026. Use the holders table for investor-level position and value details.

CUSIP: 783754104

Q3 2026 13F Holders as of 30 Sep 2026

Security type / class: Equity / Common Stock, $0.01 par value, 100,000,000 shares authorized
Total 13F shares: 4,536,273
Total 13F value: $106,901,970
Share change: +66,538
SEC-reported price per share: $23.56
Number of holders: 41
Value change: +$1,374,835
Number of buys: 20
Number of sells: 15
Shares outstanding: 51,611,263

Security key

783754104

Report period

Q3 2026

Institutions

Top holders

RYZ full security history Ownership snapshot Full 13F holder table Previous quarter: Q4 2025 Ryerson Holding Corp SEC filings Ryerson Holding Corp company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 783754104

Previous quarter: Q4 2025

Recent filing periods:

Q3 2026 Q4 2025

Ownership snapshot

Top reported holders of RYZ - Ryerson Holding Corp - Common Stock, $0.01 par value, 100,000,000 shares authorized (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

PLATINUM EQUITY, LLC

Comparable rows

6/15

Latest evidence

30 Jun 2026

13F 13D/G 3/4/5 Lead comparable stake: 7.3% 9 rows are not safely comparable across share classes. 13D/G row: JB CAPITAL PARTNERS LP Showing 1-6 of 15 holder rows.

Quick read

JB CAPITAL PARTNERS LP leads the comparable SEC ownership view at 7.3%.

6 of 15 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 TEMPLETON INC 5.7%

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 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
JB CAPITAL PARTNERS LP	13F 13D/G Company · Alan W. Weber 13F 13D/G	7.3% Reported 13D/G · 31 Dec 2025	$69,869,242 2,839,059 shares	—	30 Jun 2026
BlackRock, Inc.	13F 13D/G Company 13F 13D/G	6.6% Reported 13D/G · 31 Mar 2026	$120,377,844 4,891,419 shares	—	30 Jun 2026
FRANKLIN TEMPLETON INC	13F 13D/G Company 13F 13D/G	5.7% Reported 13D/G · 30 Sep 2026	$93,302,343 3,791,237 shares	—	30 Jun 2026
DIMENSIONAL FUND ADVISORS LP	13F 13D/G Company 13F 13D/G	5.2% Reported 13D/G · 30 Jun 2026	$66,375,569 2,696,963 shares	—	30 Jun 2026
DONALD SMITH & CO., INC.	13F 13D/G Company 13F 13D/G	3.8% Reported 13D/G · 31 Mar 2026	$49,035,843 1,992,517 shares	—	30 Jun 2026
PLATINUM EQUITY, LLC	3/4/5 13D/G 10%+ Owner 3/4/5 13D/G	3.7% Reported 13D/G · 30 Jun 2026	$124,209,729 3,924,478 shares	—	08 Aug 2023

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.

13F holder rows

Institutional holders as of Q3 2026

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

4,536,273

Rows available

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q3 2026 vs Q4 2025 Across Filers

Q4 2025 holders

144

Q3 2026 holders

Holder diff

-103

Investor	Q4 2025 Shares	Q3 2026 Shares	Share Diff	Share Chg %	Q4 2025 value	Q3 2026 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend