SSD — SIMPSON MFG INC
Public company
InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.
Sourced from SEC EDGAR public filings
Why are billionaires buying SSD?
Built from public SEC filings and public economic data. Not a recommendation.
Why? — Evidence & Confidence ▾
Of 1 tracked investors who changed their SSD position last quarter, 1 bought and 0 sold (100% buy-side). Macro conditions are mixed for this sector (Macro Tailwind 56/100 in a Overheat regime).
- +1 tracked investor added or increased positions last quarter (Ray Dalio)
- +4 tracked investors reported holding SSD at their latest filing
- +Macro Health is 56/100 in a Overheat regime — historically acceptable for this sectorsource
- −13F data is disclosed up to 45 days after quarter end — positions may have changed since
- · 13F disclosure lag (up to 45 days)
- · Tracked investors are a sample, not the whole market
- · Sector regime fit is a historical average, not a guarantee
Every InvestorLens score shows its evidence — including what argues against it. Model conviction-v1 · generated 9/18/2026.
About SIMPSON MFG INC (SSD)
SIMPSON MFG INC (SSD) appears in the most recent 13F filings of 4 tracked institutional investors. The largest disclosed position is held by Izzy Englander (Millennium Management), valued at $34M. Across recent filings, tracked investors recorded 3 new positions, 2 increased, 4 reduced, and 1 exited. All data sourced from SEC 13F filings.
Based on recent institutional activity in SSD
How many top investors track SSD
A small number of top investors own this.
SSD Ownership Composition
How SIMPSON MFG INC is held across tracked investor types, based on reported 13F positions.
- Multi-Strategy / Quant62.6%
- Macro37.4%
Tracked investors currently reporting SSD
1 tracked investor has since exited this position — listed separately below.
- Izzy EnglanderJun 30, 2026Millennium ManagementShares29.5KValue$6.2M% Portfolio0.00%
- Ken GriffinJun 30, 2026Citadel AdvisorsShares69.5KValue$14.6M% Portfolio0.00%
- Ray DalioJun 30, 2026Bridgewater AssociatesShares38.8KValue$8.1M% Portfolio0.03%
- Paul Tudor JonesJun 30, 2026Tudor Investment CorpShares20.5KValue$4.3M% Portfolio0.01%
Previously held SSD
These investors reported SSD in an earlier quarter but not in their most recent 13F. Figures below are their last reported position, not a current holding.
| Investor | Firm | Last reported shares | Value then | Last held |
|---|---|---|---|---|
| Steve Cohen | Point72 Asset Management | 49.6K | $8.3M | Sep 30, 2025 |
Recent activity
- New$7.9KNov 14, 2025
- Reduced$6.7K(-12.24%)Feb 17, 2026
- Reduced$6M(-19.81%)Feb 14, 2024
- Increased$16.4M(162.31%)May 14, 2024
- Increased$14M(3.92%)Aug 14, 2024
- Reduced$9.8M(-37.96%)Nov 13, 2024
- Reduced$8.3M(-3.34%)Feb 13, 2025
- Sold$0(-100.00%)May 14, 2025
- New$8.1MAug 14, 2026
- New$5.7MNov 13, 2023
Frequently asked questions
- How many institutional investors hold SSD?
- 4 tracked institutional investors disclosed a position in SSD (SIMPSON MFG INC) in their most recent 13F filing.
- Who is the largest institutional holder of SSD?
- Izzy Englander, Millennium Management, holds the largest disclosed position in SSD, valued at $34M.
- Did institutional ownership of SSD increase or decrease?
- Across recent 13F filings, tracked investors recorded 3 new positions, 2 increased, 4 reduced, and 1 fully exited SSD.
- Where does this SSD ownership data come from?
- SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.