Who owns Generac (GNRC)?
192 holders named in SEC filings declare between 62.5% and 84.3% of Generac's shares outstanding, as of Oct 1, 2026. The largest are Vanguard (11.5%), BlackRock (6.8%) and State Street (3.8%); the five largest hold 27.6% together. Another 804 institutions hold small positions worth 6.4%. At least 9.3% of the shares appear in no ownership filing: investors who do not have to report, mostly individuals. From Mar 31, 2026 to Jun 30, 2026, institutions that filed both quarters bought 9.6% and sold 11.8% of the shares, a net sale of 2.2%; 184 opened a position, 320 added, 311 reduced and 60 sold out. Biggest buyers: Ameriprise Financial, Inc. (+549,719 shares) and Zurich Insurance Group Ltd/FI (+408,460 shares). Biggest sellers: Invesco (-587,027) and MACKENZIE FINANCIAL CORP (-392,534). Directors and officers, from their latest Form 4: Aaron Jagdfeld (0.92%). Over time, 982 managers declared Generac in their 13F for Q2 2026, against 341 for Q4 2019: together at most 89.6% of the shares outstanding, against 93.8%.
| Holder | Filing | Share of capital | As of | Holding since (13F) |
|---|---|---|---|---|
| Vanguard | 13F | 11.5% | Jun 30, 2026 | Q4 2019 or earlier |
| BlackRock | 13F | 6.8% | Jun 30, 2026 | Q4 2019 or earlier |
| State Street | 13F | 3.8% | Jun 30, 2026 | Q4 2019 or earlier |
| Invesco | 13F | 2.9% | Jun 30, 2026 | Q4 2019 or earlier |
| Geode Capital | 13F | 2.6% | Jun 30, 2026 | Q4 2019 or earlier |
| Boston Partners | 13F | 2.2% | Jun 30, 2026 | Q2 2024 |
| ARIEL INVESTMENTS, LLC | 13F | 1.7% | Jun 30, 2026 | Q2 2022 |
| D. E. Shaw | 13F | 1.6% | Jun 30, 2026 | Q4 2023 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 13F | 1.5% | Jun 30, 2026 | Q2 2024 |
| Dimensional | 13F | 1.5% | Jun 30, 2026 | Q4 2019 or earlier |
| Morgan Stanley | 13F | 1.4% | Jun 30, 2026 | Q4 2019 or earlier |
| Norges Bank | 13F | 1.3% | Jun 30, 2026 | Q4 2019 or earlier |
| Ameriprise Financial, Inc. | 13F | 1.2% | Jun 30, 2026 | Q4 2019 or earlier |
| BANK OF MONTREAL /CAN/ | 13F | 1.1% | Jun 30, 2026 | Q4 2019 or earlier |
| UBS | 13F | 1.1% | Jun 30, 2026 | Q4 2019 or earlier |
| Charles Schwab | 13F | 1.1% | Jun 30, 2026 | Q4 2019 or earlier |
| Jane Street | 13F | 1.0% | Jun 30, 2026 | Q3 2025 |
| Bank of America | 13F | 1.0% | Jun 30, 2026 | Q4 2019 or earlier |
| ALLIANCEBERNSTEIN L.P. | 13F | 1.0% | Jun 30, 2026 | Q4 2019 or earlier |
| DISCIPLINED GROWTH INVESTORS INC /MN | 13F | 0.95% | Jun 30, 2026 | Q3 2022 |
| Aaron Jagdfeld | Form 4 | 0.92% | Oct 1, 2026 | — |
| PARK PRESIDIO CAPITAL LLC | 13F | 0.92% | Jun 30, 2026 | Q3 2024 |
| Northern Trust | 13F | 0.86% | Jun 30, 2026 | Q4 2019 or earlier |
| Robeco Schweiz AG | 13F | 0.82% | Jun 30, 2026 | Q4 2025 |
| ENVESTNET ASSET MANAGEMENT INC | 13F | 0.81% | Jun 30, 2026 | Q4 2019 or earlier |
Generac institutional ownership over time
| Quarter | 13F managers | Share of the company (upper bound) | Value declared | Held by stock pickers |
|---|---|---|---|---|
| Q4 2019 | 341 | 93.8% | $5.9B | 67.7% |
| Q4 2020 | 563 | 91.0% | $13.0B | 59.5% |
| Q4 2021 | 815 | 88.4% | $19.6B | 58.5% |
| Q4 2022 | 650 | 85.2% | $5.4B | 54.4% |
| Q4 2023 | 687 | 82.5% | $6.5B | 58.3% |
| Q4 2024 | 761 | 93.1% | $8.6B | 56.1% |
| Q4 2025 | 743 | 95.1% | $7.6B | 56.0% |
| Q2 2026 | 982 | 89.6% | $15.4B | 52.5% |
From SEC Form 13F, every quarter since the end of 2019, read like the current quarter: entities of a house summed, a value contradicting its share count set aside. The share of the company is an upper bound — two managers can declare the same shares — over the shares outstanding at that date.