Simpson Manufacturing Co., Inc. - Common Stock (SSD)

CUSIP: 829073105

Q1 2026 13F Holders as of 31 Mar 2026

Security type / class
Equity / Common Stock
Total 13F shares
40,911,824
Total 13F value
$7,015,529,530
Holder snapshot 6 visible 7 signals
Share change
-962,771
Put/Call ratio
26%
SEC-reported price per share
$171.62
Number of holders
460
Value change
-$158,023,180
Number of buys
211
Open additional details 1 more signal available
Number of sells
199
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
41,252,042

Security key

829073105

Report period

Q1 2026

Institutions

460

Top holders

10

SSD full security history Ownership snapshot Full 13F holder table Newer quarter: Q2 2026 Previous quarter: Q4 2025 Simpson Manufacturing Co., Inc. SEC filings Simpson Manufacturing Co., Inc. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Ownership snapshot

Top reported holders of SSD - Simpson Manufacturing Co., Inc. - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
KAYNE ANDERSON RUDNICK IN...
Disclosed value leader
KAYNE ANDERSON RUDNICK IN...
Comparable rows
15/15
Latest evidence
31 Mar 2026
13D/G 13F 3/4/5 Lead comparable stake: 9.7% 13D/G row: KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC Showing 1-6 of 15 holder rows.

Quick read

KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC leads the comparable SEC ownership view at 9.7%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC's linked filing trail.
Comparable ownership Top 5
KAYNE ANDERSON RUDNICK INVESTMENT... 9.7%
FMR LLC 6.4%
VANGUARD CAPITAL MANAGEMENT LLC 5.3%
Michael Olosky 0.13%
Michael Andersen 0.03%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC
13D/G 13F
Company
13D/G 13F
9.7%
$719,368,934
4,017,923 shares
 $0 31 Dec 2025
FMR LLC
13D/G 13F
Company
13D/G 13F
6.4%
$505,655,484
2,646,303 shares
 +$101,706,152 31 Mar 2026
VANGUARD CAPITAL MANAGEMENT LLC
13D/G
Vanguard Capital Management
13D/G
5.3%
$416,981,082
2,182,233 shares
 $0 31 Mar 2026
Michael Olosky
3/4/5
President and CEO, Director
3/4/5
0.13%
$11,473,812
54,896 shares
 — 17 Feb 2026
Michael Andersen
3/4/5
EVP, Europe
3/4/5
0.03%
$2,223,139
12,417 shares
 -$196,130 17 Feb 2026
Jeremy Gilstrap
3/4/5
EVP, Innovation
3/4/5
0.03%
$2,502,904
12,155 shares
 -$445,675 17 Feb 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q1 2026

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
460
Shares
40,911,824
Rows available
460
Investor Option Weight % Change % SEC-reported value * Price Shares Share Change Activity Report Period

* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q1 2026 vs Q4 2025 Across Filers

Q4 2025 holders
439
Q1 2026 holders
460
Holder diff
21
Investor Q4 2025 Shares Q1 2026 Shares Share Diff Share Chg % Q4 2025 value Q1 2026 value Value change Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
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