Simpson Manufacturing

SSD • NYSE

Simpson Manufacturing is a construction company in the industrials sector on NYSE, led by Michael L. Olosky, with a market cap of $7.8B. As of Q3 2025, 99% of shares are held by 427 institutional investors, with KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC as the largest holder at 10.4%.

CEOMichael L. Olosky

Market Cap$7.8B

Construction

Industrials

Employees5.5K

Websitesimpsonmfg.com

Country

United States of America

Overview

Overview of institutional ownership in SSD as of Q3 2025 with a market cap of $7.0B

All Institutions

Institutions: 427
Value Held: $6.9B
Shares Held: 41.3M
Avg Position: $16.2M
Median Position: $852.7K

Hedge Funds

Hedge Funds: 35
Value Held: $282.0M
Shares Held: 1.7M
Avg Position: $8.1M
Median Position: $1.7M

Ownership Breakdown

Institutional (non-HF)

95.33%

$6.6B

Hedge Funds

4.05%

$282.0M

Retail & Other

0.626%

$43.6M

Based on market cap of $7.0B as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in SSD as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC Long Only Manager	George Robert Aylward CEO	$725.1M 1.77% of portfolio	10.40% 4.3M shares	Q3 2019 Held for 6y 3m	$41.0B
VANGUARD GROUP INC Institution	Salim Ramji CEO	$683.7M 0.01% of portfolio	9.81% 4.1M shares	≤ Q2 2013 Held for 12y 6m+	$6.69T
BlackRock, Inc. Institution	Laurence D. Fink CEO	$670.4M 0.01% of portfolio	9.62% 4.0M shares	≤ Q2 2013 Held for 12y 6m+	$5.67T
FMR LLC Institution	-	$354.0M 0.02% of portfolio	5.08% 2.1M shares	Q2 2016 Held for 9y 6m	$1.92T
MORGAN STANLEY RIA/Wealth	Jed Finn CEO	$256.5M 0.02% of portfolio	3.68% 1.5M shares	≤ Q2 2013 Held for 12y 6m+	$1.65T
STATE STREET CORP Institution	Ronald P. O'Hanley CEO	$209.5M 0.01% of portfolio	3.01% 1.3M shares	≤ Q2 2013 Held for 12y 6m+	$2.88T
V ValueAct Holdings, L.P. Institution	-	$202.3M 3.41% of portfolio	2.90% 1.2M shares	Q2 2025 Held for 6 months	$5.9B
Baker Avenue Asset Management, LP RIA/Wealth	Simon Gareth Baker CEO	$182.7M 4.37% of portfolio	2.62% 1.1M shares	Q3 2022 Held for 3y 3m	$4.2B
F FIDUCIARY MANAGEMENT INC /WI/ Long Only Manager	John Scott Brandser CEO	$170.4M 1.73% of portfolio	2.45% 1.0M shares	Q2 2021 Held for 4y 6m	$9.9B
Conestoga Capital Advisors, LLC Long Only Manager	Robert Michael Mitchell Partner	$147.8M 2.37% of portfolio	2.12% 882.4K shares	Q1 2013 Held for 12y 9m	$6.2B

Net Capital Flow

Institutional buying and selling activity for SSD in Q3 2025

Traded: −$167.3M
Buyers: 197
Sellers: 212
Total Bought: +$349.5M
Total Sold: −$516.8M
Avg Position: $14.7M

Biggest Buyers

Institution	Net Bought	Current Position
FMR LLC Institution	+$89.5M +534.2K shares	$354.0M 2.1M shares
N Neuberger Berman Group LLC Institution	+$20.1M +120.1K shares	$137.9M 823.7K shares
A ADAGE CAPITAL PARTNERS GP LLC Institution	+$16.7M +100.0K shares	$29.3M 175.0K shares
ARGENT CAPITAL MANAGEMENT LLC Long Only Manager	+$16.0M +95.4K shares	$16.0M 95.4K shares
C Capital World Investors Institution	+$14.6M +87.1K shares	$28.9M 172.8K shares
BlackRock, Inc. Institution	+$12.9M +77.0K shares	$670.4M 4.0M shares
COOKE & BIELER LP Long Only Manager	+$12.2M +72.9K shares	$12.2M 72.9K shares
River Road Asset Management, LLC Long Only Manager	+$11.6M +69.0K shares	$12.3M 73.7K shares
T T. Rowe Price Investment Management, Inc. Insurance Manager	+$11.4M +67.9K shares	$31.1M 185.7K shares
P potrero capital research llc Hedge Fund•Long/Short	+$10.0M +60.0K shares	$10.0M 60.0K shares

Biggest Sellers

Institution	Net Sold	Current Position
JPMORGAN CHASE & CO Institution	−$101.5M −605.8K shares	$135.8M 810.9K shares
Conestoga Capital Advisors, LLC Long Only Manager	−$37.0M −220.8K shares	$147.8M 882.4K shares
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC Long Only Manager	−$36.5M −217.9K shares	$725.1M 4.3M shares
V ValueAct Holdings, L.P. Institution	−$33.2M −198.2K shares	$202.3M 1.2M shares
Point72 Asset Management, L.P. Hedge Fund•Multi-Strategy	−$27.5M −164.0K shares	$8.3M 49.6K shares
M MANUFACTURERES LIFE INSURANCE CO Institution	−$22.4M −133.5K shares	$35.1M 209.8K shares
AMERIPRISE FINANCIAL INC Institution	−$17.0M −101.3K shares	$56.6M 337.9K shares
UBS Group AG Institution	−$10.8M −64.3K shares	$8.2M 49.1K shares
D D. E. Shaw & Co., Inc. Institution	−$10.6M −63.2K shares	$19.7M 117.9K shares
BANK OF NOVA SCOTIA / Institution	−$10.3M −66.0K shares	Sold Off 0 shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited SSD in Q3 2025

New Positions: 22
New Value: $25.0M
Exited Positions: 44
Exited Value: $77.6M

New Positions

Institution	Position Value
COOKE & BIELER LP Long Only Manager	$12.2M 72.9K shares
EULAV Asset Management Long Only Manager	$5.5M 33.0K shares
BRASADA CAPITAL MANAGEMENT, LP Real Assets	$5.4M 31.9K shares
Federation des caisses Desjardins du Quebec Fund of Funds	$466.5K 2.8K shares
E Ethic Inc. RIA/Wealth	$361.7K 2.2K shares
FORT WASHINGTON INVESTMENT ADVISORS INC /OH/ Long Only Manager	$271.3K 1.6K shares
LANDSCAPE CAPITAL MANAGEMENT, L.L.C. Hedge Fund•Market Neutral	$258.6K 1.5K shares
D DRW Securities, LLC Institution	$222.3K 1.3K shares
R Root Financial Partners, LLC RIA/Wealth	$151.7K 906.0 shares
Annis Gardner Whiting Capital Advisors, LLC RIA/Wealth	$55.9K 334.0 shares

Exited Positions

Institution	Previous Position
BANK OF NOVA SCOTIA / Institution	$10.3M 66.0K shares
H HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND Institution	$8.8M 56.8K shares
Edgestream Partners, L.P. Hedge Fund•Quant Macro	$8.7M 56.3K shares
I ING GROEP NV Institution	$7.3M 46.8K shares
M Mitsubishi UFJ Securities International PLC Institution	$6.8M 44.0K shares
S Squarepoint Ops LLC Hedge Fund•Quant	$6.8M 43.9K shares
T TEXAS PERMANENT SCHOOL FUND Institution	$5.2M 33.4K shares
H HRT FINANCIAL LLC Institution	$4.0M 25.5K shares
BALYASNY ASSET MANAGEMENT LLC Hedge Fund•Multi-Strategy	$3.3M 21.1K shares
TWO SIGMA ADVISERS, LLC Hedge Fund•Multi-Strategy	$3.2M 20.3K shares

Options Activity

Institutions with the largest Call and Put options positions in SSD as of Q3 2025

Call Positions: 4
Call Value: $9.8M
Put Positions: 2
Put Value: $1.4M

Call Positions

Institution	Position Value
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$7.3M 435.0 contracts
J JANE STREET GROUP, LLC Institution	$1.1M 67.0 contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$921.0K 55.0 contracts
W WOLVERINE TRADING, LLC Institution	$469.2K 28.0 contracts

Put Positions

Institution	Position Value
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$854.0K 51.0 contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$552.6K 33.0 contracts

Most Committed Institutions

Institutions with SSD as the highest % of their portfolio as of Q3 2025

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
North Berkeley Wealth Management, LLC RIA/Wealth	Catherine Mary Mathis President	10.52% $13.3M	0.19% 79.6K shares	Q4 2024 Held for 1 year	$126.7M
Baker Avenue Asset Management, LP RIA/Wealth	Simon Gareth Baker CEO	4.37% $182.7M	2.62% 1.1M shares	Q3 2022 Held for 3y 3m	$4.2B
Maren Capital LLC Long Only Manager	Bradley Carl Schatz CEO	3.94% $70.9M	1.02% 423.1K shares	Q4 2023 Held for 2 years	$1.8B
RIVULET CAPITAL, LLC Hedge Fund•Long/Short	Joshua Ari Kuntz Managing Partner	3.72% $34.2M	0.49% 204.3K shares	Q2 2025 Held for 6 months	$918.9M
V ValueAct Holdings, L.P. Institution	-	3.41% $202.3M	2.90% 1.2M shares	Q2 2025 Held for 6 months	$5.9B
P potrero capital research llc Hedge Fund•Long/Short	Jack R Ripsteen Managing Partner	3.04% $10.0M	0.14% 60.0K shares	Q1 2025 Held for 9 months	$330.9M
L LRT Capital Management, LLC Institution	-	2.94% $4.4M	0.06% 26.5K shares	Q3 2023 Held for 2y 3m	$150.9M
P Port Capital LLC Hedge Fund•Value	Brien Michael Obrien CEO	2.89% $68.0M	0.98% 406.2K shares	Q2 2019 Held for 6y 6m	$2.4B
Conestoga Capital Advisors, LLC Long Only Manager	Robert Michael Mitchell Partner	2.37% $147.8M	2.12% 882.4K shares	Q1 2013 Held for 12y 9m	$6.2B
Berkeley, Inc RIA/Wealth	Megan Parrish President	2.16% $6.4M	0.09% 38.0K shares	Q4 2024 Held for 1 year	$295.1M

Hedge Fund Spotlight

Discover hedge funds investing in SSD

Port Capital LLC

Hedge Fund • Value

Portfolio ManagerBrien Michael Obrien

Portfolio Value: $2.4B
Positions: 80
Last Reported: Q3 2025

Sector Allocation

Position in Simpson Manufacturing

Market Value: $68.0M
Shares Held: 406.2K
Portfolio Weight: 2.89%
Owned Since: 2019-Q2

Top Holding	Sector	Market Value	Weight
1 Heico Corporation HEI.A	Aerospace & Defense Industrials	$217.5M	9.24%
2 RBC Bearings RBC	Manufacturing - Tools & Accessories Industrials	$143.6M	6.10%
3 Amphenol APH	Hardware, Equipment & Parts Technology	$133.5M	5.67%