Oshkosh Corporation (OSK) ownership: Top institutional holder: BlackRock, Inc. ($1.11B). Insider activity: Net Seller (3 buys, 17 sells). 3 recent congressional STOCK Act disclosures. SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| BlackRock, Inc. | 7561094.00 | $1.11B | 2026-03-31 |
| VANGUARD GROUP INC | 7765452.00 | $975.57M | 2025-12-31 |
| Aristotle Capital Management, LLC | 5001541.00 | $736.29M | 2026-03-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 4246265.00 | $625.09M | 2026-03-31 |
| DIMENSIONAL FUND ADVISORS LP | 3051511.00 | $449.17M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 2808780.00 | $413.48M | 2026-03-31 |
| GREENHAVEN ASSOCIATES INC | 2531005.00 | $372.59M | 2026-03-31 |
| STATE STREET CORP | 2099146.00 | $309.02M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-05-12 | |
| Sell | null | 2026-05-05 | |
| Sell | null | 2026-05-05 | |
| Sell | null | 2026-05-05 | |
| Sell | null | 2026-05-05 | |
| Sell | null | 2026-05-05 | |
| Sell | null | 2026-05-05 | |
| Sell | null | 2026-05-05 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.