VANGUARD PORTFOLIO MANAGEMENT LLC

Position in SSD — Simpson Manufacturing Co., Inc.

CIK 2100121 MALVERN, PA

Position in SSD

as of Jun 30, 2026 · filed Aug 13, 2026 Compact

Position Value

$402,925,477

+$72,118,317 QoQ

Shares Held

1,924,650

-0.2% QoQ

Ownership

4.70%

of shares outstanding

% of Portfolio

0.02%

of 13F equity value

Holder Rank

of 486 holders

Holding Since

Mar 2026

2 quarters on record

Voting authority Sole 0% Shared 0% None 100%

Basic Materials · as of Jun 30, 2026

VANGUARD PORTFOLIO MANAGEMENT LLC holds $877,075,022 across 3 Lumber & Wood Production names. SSD ranks #1 (45.9% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	SSD	Simpson Manufacturing Co., Inc. This page	1,924,650	$402,925,477
2	UFPI	Ufp Industries Inc	3,341,840	$303,238,561
3	BCC	BOISE CASCADE Co	2,201,610	$170,910,984

2 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$402,925,477	1,924,650	-0.2%	Shares	Defined	2026-08-13
2026-03-31	$330,807,160	1,927,556	—	Shares	Defined	2026-05-08
No filing history on record for this holder in this stock.