The cluster is small and dominated by passive-oriented wealth managers, likely reflecting routine portfolio rebalancing rather than a shared catalyst thesis. Monitor next quarter's 13F for larger active fund participation or insider buying to confirm conviction.
Executive Summary
Three asset managers (Wealth Enhancement Advisory Services, Nisa Investment Advisors, Assetmark) collectively doubled or added to their Simpson Manufacturing positions in Q3 2026, increasing aggregate holdings by $1.5M to $3.2M. The cluster is small in absolute dollar terms and consists entirely of passive-oriented wealth managers, limiting the signal strength.
Key Financial Metrics
Institutional Positions
Net institutional flow: $1.5M
▲ Buyers (3)
| Institution | Action | Change | Position Value | Value Δ |
|---|---|---|---|---|
| Wealth Enhancement Advisory Services | DOUBLED | +109.5% | $2.9M | $1.4M |
| Nisa Investment Advisors | DOUBLED | +144.4% | $258.0K | $129.0K |
| Assetmark | ADD | +77.5% | $46.0K | $14.0K |
Key Facts
- 3 institutional buyers, 0 sellers in Q3 2026
- Aggregate buying value: $1.5M net increase to $3.2M total holdings
- Wealth Enhancement Advisory Services doubled its position (+109.5%, +$1.4M)
- Nisa Investment Advisors doubled its position (+144.4%, +$129K)
- Assetmark added 77.5% (+$14K)
- All three are asset managers / wealth advisors, not activist or event-driven funds
Financial Impact
Three asset managers accumulated $1.5M in net new Simpson Manufacturing holdings during Q3 2026, bringing total disclosed positions to $3.2M.
Risk Factors
- 13F data is 45+ days stale; positions may have been unwound since quarter-end
- All buyers are asset managers with no activist or event-driven track record — signal is weak
- Total buying value ($1.5M) is negligible relative to SSD's market cap (~$7B+); no material price impact expected
Investment Themes
Documents Analyzed
This report is based on 1 institutional 13F filing from SEC EDGAR.
| Document | Accession Number |
|---|---|
| INST-CLUSTER Data (Synthetic) | inst-cluster-SSD-2026-Q3 |
Track record builds as more directional reports settle.
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 26, 2026 today | 8-K | $181.99 | awaiting T+60 | — | — |
Oct 26, 2026 today | Press Release | $181.99 | awaiting T+60 | — | — |
Oct 23, 2026 3d ago | Press Release | $184.36 | awaiting T+60 | — | — |
Oct 21, 2026 5d ago | Institutional Cluster | $186.92 | awaiting T+60 | — | — |
Oct 12, 2026 14d ago | Press Release | $170.14 | awaiting T+60 | — | — |
Oct 6, 2026 20d ago | 8-K | $171.22 | awaiting T+60 | — | — |
Jul 24, 2026 13w ago | Press Release | $193.88 $176.73 | ▼ −8.85% | ▼ −12.14% | — |
Jul 13, 2026 15w ago | Press Release | $185.60 $175.02 | ▼ −5.70% | ▼ −9.69% | — |
May 14, 2026 23w ago | Court Ruling | $178.62 $194.83 | ▲ +9.08% | ▲ +4.57% | — |
Mar 31, 2026 30w ago | Court Ruling | $171.05 $209.23 | ▲ +22.32% | ▲ +9.23% | — |
US Market Status
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