Simpson Manufacturing Co., Inc. (SSD)

CUTLERY, HANDTOOLS & GENERAL HARDWARE

Simpson Manufacturing Co., Inc. (SSD) is listed on the New York Stock Exchange, where it has traded since June 2, 1994.

Listed On
the New York Stock Exchange
Listed Since
June 2, 1994
Employees
5,545
Market Cap
$7.8B

About Simpson Manufacturing Co., Inc.

Simpson Manufacturing Co Inc designs, manufactures, and markets systems and products to make buildings and structures safe and secure. It produces wood construction products, including connectors, truss plates, fastening systems, fasteners, and shearwalls, as well as concrete construction products such as adhesives, specialty chemicals, mechanical anchors, powder actuated tools, and fiber reinforcing materials. The company serves residential, industrial, commercial, and infrastructure construction, remodeling, and do-it-yourself markets, operating exclusively in the building products industry. It has three regional segments: North America, Europe, and Asia/Pacific. The majority of its revenue comes from wood products.

Institutional ownership

In 13F filings for the quarter ended June 30, 2026, 474 institutions reported holding SSD, with 41.0 million shares worth $8.6 billion in aggregate. The largest reported holder was BlackRock, with 4.1 million shares worth $862.1 million. Of the 5 largest holders listed below, 3 added shares and 2 reduced their positions during the quarter.

InstitutionSharesValueQuarter change
BlackRock4,118,164$862MAdded 2.14%
Vanguard4,112,606$861MReduced 0.21%
FMR3,669,547$768MAdded 38.67%
Kayne Anderson Rudnick Investment Management3,568,049$747MReduced 8.17%
State Street1,308,394$274MAdded 2.93%

Form 13F is a quarterly report that institutional investment managers with at least $100 million in qualifying securities file with the SEC. It lists long positions as of the last day of the quarter and is due within 45 days of quarter end, so these holdings describe that date rather than today.

Frequently asked questions

What is SSD?

Simpson Manufacturing Co., Inc. (SSD) is listed on the New York Stock Exchange, where it has traded since June 2, 1994.

Who are the largest institutional holders of SSD?

In 13F filings for the quarter ended June 30, 2026, the largest reported holders of SSD were BlackRock, Vanguard and FMR.

How many institutions own SSD?

474 institutions reported a position in SSD for the quarter ended June 30, 2026, worth $8.6 billion in total.

Did institutions buy or sell SSD last quarter?

Of the 5 largest reported holders, 3 added shares and 2 reduced their positions during the quarter. Every reported holder and its change is on the SentiSense ownership page for SSD.

Every reported institutional holder, plus insider and congressional trades in SSD, on SentiSense.