The concentrated selling by three active managers — especially Ninety One UK's >50% reduction — suggests a shared thesis around Generac's near-term demand outlook. Monitor the next earnings report for guidance on residential generator sales and inventory levels; a miss would validate the cluster's bearish read.
Executive Summary
Three asset managers trimmed their GNRC positions by a combined $56.8M in Q3 2026, led by Ninety One UK cutting over half its stake ($52.8M reduction). Only one small buyer added a token position. The cluster signals institutional conviction weakening in Generac ahead of a potential earnings or demand-cycle headwind.
Key Financial Metrics
Institutional Positions
Net institutional flow: -$56.8M
▲ Buyers (1)
| Institution | Action | Change | Position Value | Value Δ |
|---|---|---|---|---|
| Mather Group | ADD | +25.5% | $450.0K | -$57.0K |
▼ Sellers (3)
| Institution | Action | Change | Prev Value | Value Δ |
|---|---|---|---|---|
| Ninety One Uk | TRIM | -55.9% | $76.7M | -$52.8M |
| Concurrent Investment Advisors | TRIM | -53% | $5.8M | -$3.9M |
| Assetmark | TRIM | -28.6% | $245.0K | -$121.0K |
Key Facts
- Net institutional selling of $56.8M vs. buying of $57K — a 1,000:1 ratio
- Ninety One UK trimmed 55.9% of its GNRC stake, reducing value from $76.7M to $23.9M
- Concurrent Investment Advisors cut 53.0% of its position, exiting $3.9M in value
- Only one buyer (Mather Group) added a small position worth $450K
- All three sellers are active asset managers, not passive index funds — signal carries conviction
Financial Impact
Three active asset managers sold $56.8M in GNRC stock during Q3 2026, while a single small buyer added only $57K. Net institutional outflow was $56.8M.
Risk Factors
- 13F data is 45+ days stale; the cluster may have already been unwound or reversed
- The small buyer (Mather Group) could represent a contrarian value thesis that later proves correct
- Generac's stock has historically been volatile around earnings; the selling may reflect quarter-end portfolio rebalancing rather than fundamental deterioration
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-GNRC-2026-Q3 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 21, 2026 6d ago | Institutional Cluster | $188.02 $186.92 | ▲ +0.58% | ▲ +0.06% | — |
Oct 6, 2026 21d ago | 144 | $223.62 $221.34 | ▼ −1.02% | ▼ −0.78% | — |
Oct 5, 2026 22d ago | 144 | $215.20 $223.62 | ▲ +3.91% | ▲ +3.36% | — |
Sep 18, 2026 5w ago | Insider Cluster | $204.96 $206.17 | ▲ +0.59% | ▲ +0.61% | — |
Sep 17, 2026 5w ago | 144 | $207.23 $207.44 | ▲ +0.10% | ▲ +0.22% | — |
Sep 9, 2026 6w ago | Insider Cluster | $181.67 $186.99 | ▲ +2.93% | ▲ +2.08% | — |
Aug 10, 2026 11w ago | Insider Cluster | $215.86 $221.90 | ▲ +2.80% | ▲ +2.55% | — |
Aug 6, 2026 11w ago | Insider Cluster | $212.22 $206.09 | ▲ +2.89% | ▲ +2.86% | — |
Aug 5, 2026 11w ago | 144 | $217.41 $211.18 | ▼ −2.87% | ▼ −2.71% | — |
Jul 29, 2026 12w ago | Press Release | $195.19 $191.91 | ▼ −1.68% | ▼ −3.36% | — |
US Market Status
Subscribe to SecBot
Get Real-Time SEC Filing Intelligence
Comprehensive SEC filing analysis delivered the moment filings hit EDGAR. Sentiment scoring, impact analysis, and actionable insights for every material event.
Create a free account Live analysis, Telegram alerts, watchlists and the MCP server for subscribers