Oshkosh Corporation
Ownership
Ownership Structure
Who owns Oshkosh Corporation (OSK)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 93.9% of the shares are freely tradable; institutional investors hold 104.1%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 12.25 | 7,561,094 | +2.9 | 03/31/2026 |
| Aristotle Capital Management LLC | 8.10 | 5,001,541 | -7.1 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 6.88 | 4,246,265 | +0.0 | 03/31/2026 |
| Dimensional Fund Advisors, Inc. | 5.19 | 3,206,164 | +5.1 | 06/30/2026 |
| Vanguard Capital Management, LLC | 4.55 | 2,808,780 | +0.0 | 03/31/2026 |
| Greenhaven Associates Inc | 4.14 | 2,558,680 | +1.1 | 06/30/2026 |
| LSV Asset Management | 3.45 | 2,131,692 | +7.2 | 06/30/2026 |
| State Street Corp | 3.40 | 2,099,146 | +0.7 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Mid-Cap ETF | 3.54 | 2,183,790 | +0.0 | 08/31/2026 |
| Vanguard MStar Total Stk Mkt Idx Invest | 3.22 | 1,987,393 | +0.3 | 07/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Pfeifer John C | Director | 150,669 | 22,088,013 $ | Sep 11, 2026 | direct |
| Nordlund Steven Craig | Exec. VP & Pres., Transport | 2,393 | 350,855 $ | Jul 14, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 11, 2026 | Pfeifer John C | Director | Sell | 778 | 150.00 | 116,700 |
| Jul 14, 2026 | Nordlund Steven Craig | Exec. VP & Pres., Transport | Other | 1,821 | 145.75 | 265,411 |
| Jul 14, 2026 | Nordlund Steven Craig | Exec. VP & Pres., Transport | Other | 4,214 | 145.75 | 614,191 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: September 18, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.