Simpson Manufacturing Co., Inc. (SSD) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

41,644,961Shares Outstanding

691,109Shares held by institutions

$142,389,187Value of institutional holdings

98.06%Institutional ownership %

5.14%Shares Changed QoQ

411No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

A total of 411 institutions have reported a stake in Simpson Manufacturing Co., Inc. (NYSE:SSD) as of December 2025, according to recent 13F filings with the SEC.

The collective stake of institutional investors in Simpson Manufacturing moved to 98.1% in December 2025, a shift down from the 99.2% reported for September 2025.
In percentage terms, this reflects as a holdings change of 5.14% quarter on quarter, and a decrease of 1.91% year over year.
The latest 13F cycle for Simpson Manufacturing reveals that of 411 total investors, 185 funds grew their exposure, whereas 161 reduced theirs and 65 made no changes.
Collectively, institutional investors increased their stake in Simpson Manufacturing to 40.84Mn shares as of December 2025, a change that is up by 2.00Mn shares quarter on quarter and down 566.20K shares year over year.
VANGUARD GROUP INC's holding of 4.04Mn shares as of December 31, 2025 makes it the primary institutional investor in Simpson Manufacturing, owning 9.69% of the stock.
Among the most significant buyers of Simpson Manufacturing during December 2025 were BANK OF MONTREAL /CAN/ (672.40K), NORGES BANK (527.28K), VICTORY CAPITAL MANAGEMENT INC (391.67K), Capital International Investors (320.87K), Quantinno Capital Management LP (275.99K).
Leading sellers of Simpson Manufacturing stock in December 2025 included FIDUCIARY MANAGEMENT INC /WI/ (562.37K), KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC (312.89K), T. Rowe Price Investment Management, Inc. (173.40K), Baker Avenue Asset Management, LP (149.81K), Champlain Investment Partners, LLC (131.32K).
The top 10 institutional holders of Simpson Manufacturing for the quarter ending December 2025 included VANGUARD GROUP INC (4.04Mn), KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC (4.02Mn), BlackRock, Inc. (4.01Mn), FMR LLC (2.14Mn), MORGAN STANLEY (1.51Mn), ValueAct Holdings, L.P. (1.47Mn), STATE STREET CORP (1.24Mn), Baker Avenue Asset Management, LP (941.12K), DIMENSIONAL FUND ADVISORS LP (878.27K), Quantinno Capital Management LP (853.75K).

411 Institutional Holders

691,109 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
VANGUARD GROUP INC	31 Dec, 2025	4,036,612	-46,065	-1.13%	$651,791,739.00
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC	31 Dec, 2025	4,016,822	-312,887	-7.23%	$648,596,253.00
BlackRock, Inc.	31 Dec, 2025	4,006,600	3,303	0.08%	$646,945,639.00
FMR LLC	31 Dec, 2025	2,142,547	28,515	1.35%	$345,957,102.00
MORGAN STANLEY	31 Dec, 2025	1,505,388	-26,038	-1.70%	$243,075,358.00
ValueAct Holdings, L.P.	31 Dec, 2025	1,472,142	264,200	21.87%	$237,706,769.00
STATE STREET CORP	31 Dec, 2025	1,244,366	-6,638	-0.53%	$200,927,778.00
Baker Avenue Asset Management, LP	31 Dec, 2025	941,123	-149,806	-13.73%	$151,963,131.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	878,270	31,744	3.75%	$141,825,828.00
Quantinno Capital Management LP	31 Dec, 2025	853,750	275,993	47.77%	$137,855,035.00
Conestoga Capital Advisors, LLC	31 Dec, 2025	849,350	-33,011	-3.74%	$137,144,589.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	765,322	6,869	0.91%	$123,602,759.00
JPMORGAN CHASE & CO	31 Dec, 2025	749,648	-61,292	-7.56%	$121,045,670.00
Neuberger Berman Group LLC	31 Dec, 2025	743,163	-80,566	-9.78%	$119,998,572.00
BANK OF MONTREAL /CAN/	31 Dec, 2025	678,490	672,402	11,044.71%	$109,555,780.00
Capital International Investors	31 Dec, 2025	663,195	320,870	93.73%	$107,086,097.00
NORTHERN TRUST CORP	31 Dec, 2025	566,138	10,927	1.97%	$91,414,303.00
FIRST TRUST ADVISORS LP	31 Dec, 2025	547,603	6,454	1.19%	$88,421,539.00
NORGES BANK	31 Dec, 2025	527,280	527,280	0.00%	$85,139,902.00
Maren Capital LLC	31 Dec, 2025	511,756	88,667	20.96%	$82,633,254.00

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