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

Institutions by Trading Activity

Ownership Statistics

41,644,961Shares Outstanding

662,395Shares held by institutions

$138,447,179Value of institutional holdings

79.36%Institutional ownership %

4.37%Shares Changed QoQ

344No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

A total of 344 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 percentage of Simpson Manufacturing owned by institutions changed from 99.2% in September 2025 to 79.4% in December 2025, marking a slight down trend.
In percentage terms, this reflects as a holdings change of 4.37% quarter on quarter, and a decrease of 17.90% year over year.
A review of institutional activity for Simpson Manufacturing shows 147 of 344 filers increasing their positions, while 139 reduced their stake, and 58 remained unchanged.
The aggregate institutional position in Simpson Manufacturing now stands at 33.05Mn shares as of December 2025, after investors increased their holdings (up by 1.38Mn shares quarter on quarter which is down 8.35Mn shares year over year).
As of December 31, 2025, VANGUARD GROUP INC held Simpson Manufacturing's largest shareholding position with over 4.04Mn shares, representing 9.69% of total outstanding shares.
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), GOLDMAN SACHS GROUP INC (179.33K).
Leading sellers of Simpson Manufacturing stock in December 2025 included FIDUCIARY MANAGEMENT INC /WI/ (562.37K), KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC (312.89K), Baker Avenue Asset Management, LP (149.81K), Champlain Investment Partners, LLC (131.32K), Neuberger Berman Group LLC (80.57K).
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), MORGAN STANLEY (1.51Mn), STATE STREET CORP (1.24Mn), Baker Avenue Asset Management, LP (941.12K), DIMENSIONAL FUND ADVISORS LP (878.27K), Conestoga Capital Advisors, LLC (849.35K), GEODE CAPITAL MANAGEMENT, LLC (765.32K), JPMORGAN CHASE & CO (749.65K).

344 Institutional Holders

662,395 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
MORGAN STANLEY	31 Dec, 2025	1,505,388	-26,038	-1.70%	$243,075,358.00
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
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
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
GOLDMAN SACHS GROUP INC	31 Dec, 2025	494,394	179,332	56.92%	$79,829,819.00
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	31 Dec, 2025	485,766	-589	-0.12%	$78,436,636.00
FIDUCIARY MANAGEMENT INC /WI/	31 Dec, 2025	455,195	-562,371	-55.27%	$73,500,337.00
WELLS FARGO & COMPANY/MN	31 Dec, 2025	411,643	-20,651	-4.78%	$66,467,808.00

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