MILLENNIUM MANAGEMENT LLC

Position in SSD — Simpson Manufacturing Co., Inc.

CIK 1273087 NEW YORK, NY

Position in SSD

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

Position Value

$6,184,617

+$2,442,227 QoQ

Shares Held

29,542

+27.5% QoQ

Ownership

0.072%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#114

of 487 holders

Holding Since

Mar 2020

24 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Basic Materials · as of Jun 30, 2026

MILLENNIUM MANAGEMENT LLC holds $53,526,953 across 4 Lumber & Wood Production names. SSD ranks #2 (11.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	BCC	BOISE CASCADE Co	560,381	$43,502,377
2	SSD	Simpson Manufacturing Co., Inc. This page	29,542	$6,184,617
3	WFG	West Fraser Timber Co., Ltd	46,546	$3,150,698
4	UFPI	Ufp Industries Inc	7,596	$689,261

24 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$6,184,617	29,542	+27.5%	Shares	Sole	2026-08-14
2025-12-31	$3,742,390	23,177	+414.8%	Shares	Sole	2026-02-17
2025-09-30	$753,904	4,502	-82.9%	Shares	Sole	2025-11-14
2025-06-30	$4,084,187	26,297	+938.6%	Shares	Sole	2025-08-14
2025-03-31	$397,726	2,532	-88.6%	Shares	Sole	2025-05-15
2024-12-31	$3,696,184	22,289	-65.4%	Shares	Sole	2025-02-14
2024-09-30	$12,320,274	64,413	-68.1%	Shares	Sole	2024-11-14
2024-06-30	$33,989,973	201,685	+57.8%	Shares	Sole	2024-08-14
2024-03-31	$26,224,671	127,813	+9.3%	Shares	Sole	2024-05-15
2023-12-31	$23,157,324	116,968	+105.4%	Shares	Sole	2024-02-14
2023-09-30	$8,530,630	56,943	-19.0%	Shares	Sole	2023-11-14
2023-06-30	$9,736,688	70,301	+515.5%	Shares	Sole	2023-08-14
2023-03-31	$1,252,198	11,421	-90.8%	Shares	Sole	2023-05-15
2022-12-31	$11,053,685	124,675	-72.0%	Shares	Sole	2023-02-14
2022-09-30	$34,864,872	444,705	+120.9%	Shares	Sole	2022-11-14
2022-06-30	$20,257,320	201,345	+631.6%	Shares	Sole	2022-08-15
2022-03-31	$3,000,998	27,522	+649.1%	Shares	Sole	2022-05-16
2021-12-31	$510,943	3,674	-90.3%	Shares	Sole	2022-02-14
2021-09-30	$4,065,394	38,005	-32.5%	Shares	Sole	2021-11-15
2021-06-30	$6,216,778	56,291	-40.1%	Shares	Sole	2021-08-16
2021-03-31	$9,743,358	93,930	-57.5%	Shares	Sole	2021-05-17
2020-12-31	$20,629,928	220,759	+254.3%	Shares	Sole	2021-02-16
2020-06-30	$5,256,893	62,315	-69.2%	Shares	Sole	2020-08-14
2020-03-31	$12,550,702	202,496	—	Shares	Sole	2020-05-14
No filing history on record for this holder in this stock.