FRONTIER CAPITAL MANAGEMENT CO LLC

Position in RYZ — Ryerson Holding Corp

CIK 351173 Boston, MA

Position in RYZ

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$41,428,670

+$7,325,117 QoQ

Shares Held

1,683,408

+11.0% QoQ

Ownership

3.24%

of shares outstanding

% of Portfolio

0.39%

of 13F equity value

Holder Rank

#10

of 200 holders

Holding Since

Dec 2024

7 quarters on record

Voting authority Sole 52% Shared 0% None 48%

Industrials · as of Jun 30, 2026

FRONTIER CAPITAL MANAGEMENT CO LLC holds $206,916,938 across 4 Metal Fabrication names. RYZ ranks #3 (20.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ATI	Ati Inc	419,968	$82,775,692
2	CRS	Carpenter Technology Corp	80,488	$49,648,217
3	RYZ	Ryerson Holding Corp This page	1,683,408	$41,428,670
4	MLI	Mueller Industries Inc	537,938	$33,064,359

7 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$41,428,670	1,683,408	+11.0%	Shares	Sole	2026-08-14
2026-03-31	$34,103,553	1,517,062	+304.6%	Shares	Sole	2026-05-15
2025-12-31	$9,432,685	374,908	+43.9%	Shares	Sole	2026-02-17
2025-09-30	$5,955,258	260,510	-57.4%	Shares	Sole	2025-11-14
2025-06-30	$13,197,367	611,839	+2.6%	Shares	Sole	2025-08-14
2025-03-31	$13,696,925	596,556	+76.5%	Shares	Sole	2025-05-15
2024-12-31	$6,255,306	337,942	—	Shares	Sole	2025-02-14
No filing history on record for this holder in this stock.