SSD · Basic Materials
SIMPSON MFG INC
Smart-money confidence
· 1 of 3 sources firing
Bearish — money moving out
No standout activity across the feeds we track.
Hedge funds
32
Congress
No data
Insiders
No data
Cross-source blend of hedge-fund breadth, Congress trades, and insider Form 4s. ·
how the score works
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Not financial advice. Bogen Capital surfaces public SEC filings — you decide what to do with them.
Market cap
$7.6B
Industry
Lumber & Wood Production
Sector
Basic Materials
Exchange
NYSE
About SIMPSON MFG INC
Simpson Manufacturing Co., Inc., together with its subsidiaries, designs, engineers, manufactures, and sells structural solutions for wood, concrete, and steel connections in the North America, Europe, and the Asia Pacific. The company provides structural products for wood construction, such as connectors, fasteners, and lateral-force resisting systems; anchor, repair, protection and strengthening products including coatings, sealers, mortars, fiberglass and fiber-reinforced polymer systems and asphalt products. In addition, the company offers engineering and design services, as well as…
Who's behind the signal
Every informed buyer we can see on SSD, across all three feeds.
Hedge funds · 6
Gotham Asset Mgmt (Greenblatt)
Increased +415%
AQR Capital Management
Increased +384%
Millennium Management (Englander)
Increased +415%
D.E. Shaw & Co
Decreased −14%
Tudor Investment (Paul Tudor Jones)
Decreased −78%
Citadel Advisors
Decreased −18%
Congress · 0
No congressional trades on record.
Insiders
No significant Form 4 insider activity in the window.
Congressional trade history · 1
Every disclosed buy & sell on record — STOCK Act filings
| Trade date | Member | Chamber | Action | Amount |
|---|---|---|---|---|
| 2026-06-18 | Michael McCaul · R-TX | House | SOLD | $1,001 - $15,000 |
Not a model pick — but on our radar.
SIMPSON MFG INC isn't in the top-10 model right now, but 6 tracked investors hold it. Everything below is real signal from public filings — treat this as a watch candidate, not a conviction call.
6
Investors
0
New positions
3
Increasing
3
Decreasing
0
Unchanged
Price History
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Return:
High:
Low:
Who's Holding This Stock
Position sizes and recent activity from tracked institutional investors
Trust weight: 1.1×
% of portfolio
0.0%
Position change
+415%
0.0% of Gotham Asset Mgmt's portfolio
Trust weight: 1.0×
% of portfolio
0.0%
Position change
+384%
0.0% of AQR Capital Management's portfolio
Trust weight: 1.0×
% of portfolio
0.0%
Position change
+415%
0.0% of Millennium Management's portfolio
Trust weight: 1.0×
% of portfolio
0.0%
Position change
−14%
0.0% of D.E. Shaw & Co's portfolio
Trust weight: 1.2×
% of portfolio
0.0%
Position change
−78%
0.0% of Tudor Investment's portfolio
Trust weight: 1.0×
% of portfolio
0.0%
Position change
−18%
0.0% of Citadel Advisors's portfolio
Portfolio Allocation
How much of each investor's portfolio is allocated to SIMPSON MFG INC
⚠ Disclaimer: This page is for informational purposes only. Holdings data from SEC EDGAR 13F filings, delayed up to 135 days. Not a recommendation to buy or sell SIMPSON MFG INC or any security.
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