SIMPSON MANUFACTURING CO INC (SSD) Stock Institutional Trading Activity
SIMPSON MANUFACTURING CO INC (SSD) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include ValueAct Holdings, Renaissance Technologies LLC, Disciplined Growth Investors, Ariel Appreciation Fund, and Parnassus Endeavor Fund. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.
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- SIMPSON MANUFACTURING CO INC (SSD) stock institutional ownership
- SIMPSON MANUFACTURING CO INC (SSD) stock insider trading activity
- Stock rankings
| Portfolio quarter | Name | Type | Quantity | Remaining | Reported stock balance |
|---|---|---|---|---|---|
| Q3 2014 | Ariel Appreciation Fund | Buy | 580,355 | 2,936,246 | $85,592 |
| Q3 2014 | Renaissance Technologies LLC | Buy | 1,800 | 56,400 | $1,644 |
| Q2 2014 | Ariel Appreciation Fund | Sell | -196,100 | 2,355,891 | $85,660 |
| Q2 2014 | Renaissance Technologies LLC | Buy | 7,000 | 54,600 | $1,985 |
| Q1 2014 | Ariel Appreciation Fund | Sell | -53,345 | 2,551,991 | $90,162 |
| Q1 2014 | Renaissance Technologies LLC | Buy | 47,600 | 47,600 | $1,682 |
| Q4 2013 | Parnassus Endeavor Fund | Sell | -25,000 | 175,000 | $6,428 |
| Q4 2013 | Ariel Appreciation Fund | Buy | 20,113 | 2,605,336 | $95,694 |
| Q3 2013 | Ariel Appreciation Fund | Buy | 37,580 | 2,585,223 | $84,201 |
| Q2 2013 | Parnassus Endeavor Fund | Buy | 200,000 | 200,000 | $5,884 |
| Q2 2013 | Ariel Appreciation Fund | Buy | 2,547,643 | 2,547,643 | $74,952 |
Frequently asked questions about SSD activity
Which institutional owners are buying SSD?
Institutional owners buying SSD include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in SSD activity?
"Buy" means an investor increased their reported position in SSD compared to the prior reporting period. This reflects growing exposure to SIMPSON MANUFACTURING CO INC (SSD) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in SSD increasing?
Institutional interest in SSD can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.