Simpson Manufacturing Co., Inc.
Simpson Manufacturing Co., Inc. (SSD) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · SSD · as of Sep 30, 2025
Ownership Breakdown
443
Institutional Holders
▲ 6 vs Q2
$6.93B
Total Inst. Value
▲ $279.02M vs Q2
41.14M
Shares Outstanding
freeFloat 99.57%
41.30M
13F Shares Held
▼ 1.53M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
SSD largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC cutlery, handtools & general hardware | 4.33M | 10.36% | 10.36% | $725.05B | Nov 13, 2025 | ▼ 217.9K |
VANGUARD GROUP INC cutlery, handtools & general hardware | 4.08M | 9.77% | 9.77% | $683.69B | Nov 7, 2025 | ▼ 39.7K |
BLACKROCK, INC. cutlery, handtools & general hardware | 4.00M | 9.58% | 9.58% | $670.39B | Nov 12, 2025 | ▲ 77.0K |
FMR LLC cutlery, handtools & general hardware | 2.11M | 5.06% | 5.06% | $354.02B | Nov 13, 2025 | ▲ 534.2K |
MORGAN STANLEY cutlery, handtools & general hardware | 1.53M | 3.67% | 3.67% | $256.45B | May 27, 2026 | ▼ 46.2K |
STATE STREET CORP cutlery, handtools & general hardware | 1.25M | 2.99% | 2.99% | $209.49B | Nov 14, 2025 | ▲ 1.6K |
VALUEACT HOLDINGS, L.P. cutlery, handtools & general hardware | 1.21M | 2.89% | 2.89% | $202.28B | Nov 14, 2025 | ▼ 198.2K |
BAKER AVENUE ASSET MANAGEMENT, LP cutlery, handtools & general hardware | 1.09M | 2.61% | 2.61% | $182.69B | Oct 31, 2025 | ▼ 693 |
FIDUCIARY MANAGEMENT INC /WI/ cutlery, handtools & general hardware | 1.02M | 2.44% | 2.44% | $170.40B | Nov 14, 2025 | ▼ 5.7K |
CONESTOGA CAPITAL ADVISORS, LLC cutlery, handtools & general hardware | 882.4K | 2.11% | 2.11% | $147.76B | Oct 24, 2025 | ▼ 220.8K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
22
Increased
+1.28M shares0
New Positions
first time holders26
Decreased
−1.89M shares0
Sold Out
fully exitedNet shares change (top 50)
605.3K
+1.28M / −1.89M
Net new holders
-4
0 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
SSD insider trading · insider activity
Source: SEC Form 4
7
Buy transactions
0
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Knight Kenneth D. director | May 6, 2026 | Award | 678 | — | — | 4.8K | Form 4 ↗ |
FORD CELESTE VOLZ director | May 6, 2026 | Award | 678 | — | — | 14.1K | Form 4 ↗ |
Drake Angela C director | May 6, 2026 | Award | 678 | — | — | 1.7K | Form 4 ↗ |
Donaldson Philip E director | May 6, 2026 | Award | 929 | — | — | 7.0K | Form 4 ↗ |
Coney Felica director | May 6, 2026 | Award | 678 | — | — | 3.0K | Form 4 ↗ |
Banks Chau director | May 6, 2026 | Award | 678 | — | — | 3.0K | Form 4 ↗ |
ANDRASICK JAMES S director | May 6, 2026 | Award | 678 | — | — | 861 | Form 4 ↗ |
Payton Cassandra EVP, General Counsel | Feb 17, 2026 | Award | 963 | — | — | 5.4K | Form 4 ↗ |
Payton Cassandra EVP, General Counsel | Feb 17, 2026 | Tax Withhold | 749 | $209.01 | $156.5K | 4.7K | Form 4 ↗ |
Mehta Udit Chief Technology Officer | Feb 17, 2026 | Tax Withhold | 386 | $209.01 | $80.7K | 5.0K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Simpson Manufacturing Co., Inc. (SSD) is primarily owned by institutional investors, who hold approximately 100.0% of total shares outstanding. Company insiders own approximately 0.43%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of Simpson Manufacturing Co., Inc. is KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC, holding approximately 4.33 million shares — equal to 10.36% of outstanding shares — as of September 30, 2025.
A total of 443 institutional investors currently hold SSD stock, with a combined institutional value of approximately $6.93 billion as of the most recent 13F filing period.
Frequently asked questions
SSD ownershipSimpson Manufacturing Co., Inc. (SSD) is primarily owned by institutional investors, who hold approximately 100.0% of shares. The largest shareholder is KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC with a 10.36% stake. Company insiders hold 0.43%. Data sourced from SEC Form 13F as of September 30, 2025.