Simpson Manufacturing Co., Inc.

SSDNYSE

$172.77-0.79 (-0.46%)as of Oct 5, 2026

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

Simpson Manufacturing Co., Inc. price and activity chart data

Showing the 1Y range: Oct 6, 2025 to Oct 5, 2026. Price (+1.8%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
BlackRock, Inc.	10.01%	$862M	0.01%	Not reported
FMR LLC	8.92%	$768M	0.03%	Not reported
Kayne Anderson Rudnick Investment Management LLC	8.67%	$747M	2.32%	Reduce 8.17%
Vanguard Portfolio Management LLC	4.68%	$403M	0.02%	Not reported
Vanguard Capital Management LLC	4.51%	$388M	0.01%	Not reported
State Street Corp	3.18%	$274M	0.01%	Not reported
Morgan Stanley	2.92%	$251M	0.01%	Not reported
Baker Avenue Asset Management, LP	2.22%	$191M	3.62%	Reduce 0.02%
Dimensional Fund Advisors LP	2.16%	$186M	0.03%	Not reported
Quantinno Capital Management LP	2.10%	$180M	0.22%	Add 0.48%
ValueAct Holdings, L.P.	2.02%	$174M	3.09%	Reduce 40.59%
Geode Capital Management, LLC	1.90%	$164M	0.01%	Not reported
Capital International Investors	1.58%	$136M	0.03%	Reduce 2.19%
Bank of Montreal	1.56%	$134M	0.04%	Not reported
Neuberger Berman Group LLC	1.47%	$127M	0.08%	Not reported
Northern Trust Corp	1.46%	$126M	0.01%	Not reported
First Trust Advisors LP	1.42%	$122M	0.07%	Add 0.23%
Massachusetts Financial Services Co	1.32%	$116M	0.04%	Add 212.28%
JPMorgan Chase & Co	1.28%	$110M	0.01%	Not reported
Maren Capital LLC	1.25%	$107M	4.98%	Add 0.52%
Charles Schwab Investment Management Inc	1.22%	$105M	0.01%	Not reported
Goldman Sachs Group Inc	1.10%	$94.6M	0.01%	Not reported
Victory Capital Management Inc	1.08%	$92.7M	0.05%	Not reported
Norges Bank	1.06%	$90.9M	0.01%	Not reported
Fiduciary Management Inc	0.98%	$84.7M	1.21%	Not reported
Port Capital LLC	0.96%	$82.6M	3.37%	Reduce 3.35%
Wells Fargo & Company	0.92%	$79.1M	0.01%	Not reported
Conestoga Capital Advisors, LLC	0.92%	$79M	1.72%	Reduce 37.66%
Snyder Capital Management L P	0.73%	$63.1M	1.09%	Reduce 2.46%
Brown Advisory Inc	0.72%	$62.1M	0.10%	Not reported
Bank of New York Mellon Corp	0.69%	$59.2M	0.01%	Not reported
Royce & Associates LP	0.67%	$58.1M	0.47%	Not reported
Raymond James Financial Inc	0.66%	$56.6M	0.02%	Not reported
Capital World Investors	0.65%	$55.9M	0.01%	Add 54.48%
Bank of America Corp	0.64%	$55.3M	0.00%	Not reported
Vanguard Fiduciary Trust Co	0.63%	$54.4M	0.01%	Not reported
Federated Hermes, Inc.	0.59%	$50.5M	0.07%	Not reported
Disciplined Growth Investors Inc	0.59%	$50.4M	0.85%	Reduce 0.37%
Schroder Investment Management Group	0.56%	$48.3M	0.03%	Reduce 6.69%
AQR Capital Management LLC	0.53%	$45.9M	0.02%	Not reported
Champlain Investment Partners, LLC	0.52%	$45M	1.16%	Reduce 15.62%
Manufacturers Life Insurance Company, the	0.49%	$42.6M	0.03%	Not reported
GW&K Investment Management, LLC	0.48%	$41.6M	0.33%	Not reported
Nomura Asset Management International Inc.	0.45%	$39M	0.06%	New Not reported
Segall Bryant & Hamill, LLC	0.39%	$33.7M	0.40%	Add 6.61%
Ranger Investment Management, L.P.	0.37%	$31.8M	2.01%	Reduce 1.99%
Sei Investments Co	0.36%	$31M	0.03%	Not reported
Cornerstone Capital, Inc.	0.35%	$29.9M	2.68%	Add 35.39%
Invesco Ltd.	0.33%	$28.3M	0.00%	Not reported
Clearbridge Investments, LLC	0.32%	$28M	0.02%	Not reported

50 of 453 holders

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