Oshkosh Corporation
Oshkosh Corporation (OSK) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · OSK · as of Sep 30, 2025
Ownership Breakdown
589
Institutional Holders
▲ 84 vs Q2
$7.84B
Total Inst. Value
▲ $942.96M vs Q2
62.35M
Shares Outstanding
freeFloat 99.27%
60.53M
13F Shares Held
▼ 211,645 vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
OSK largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC motor vehicles & passenger car bodies | 7.96M | 12.33% | 12.33% | $1.03T | Nov 7, 2025 | ▼ 223.8K |
BLACKROCK, INC. motor vehicles & passenger car bodies | 7.19M | 11.14% | 11.14% | $932.25B | Nov 12, 2025 | ▲ 418.9K |
ARISTOTLE CAPITAL MANAGEMENT, LLC motor vehicles & passenger car bodies | 5.62M | 8.71% | 8.71% | $728.89B | Nov 14, 2025 | ▼ 345.2K |
DIMENSIONAL FUND ADVISORS LP motor vehicles & passenger car bodies | 2.83M | 4.39% | 4.39% | $367.05B | Nov 12, 2025 | ▼ 6.9K |
GREENHAVEN ASSOCIATES INC motor vehicles & passenger car bodies | 2.53M | 3.92% | 3.92% | $327.70B | Nov 4, 2025 | ▼ 27.8K |
STATE STREET CORP motor vehicles & passenger car bodies | 2.15M | 3.33% | 3.33% | $278.55B | Nov 14, 2025 | ▲ 51.9K |
LSV ASSET MANAGEMENT motor vehicles & passenger car bodies | 1.90M | 2.94% | 2.94% | $245.89B | Nov 6, 2025 | ▲ 31.4K |
FMR LLC motor vehicles & passenger car bodies | 1.48M | 2.29% | 2.29% | $191.98B | Nov 13, 2025 | ▼ 321.5K |
INVESCO LTD. motor vehicles & passenger car bodies | 1.48M | 2.29% | 2.29% | $191.56B | Nov 13, 2025 | ▲ 307.9K |
AQR CAPITAL MANAGEMENT LLC motor vehicles & passenger car bodies | 1.36M | 2.10% | 2.10% | $174.89B | Nov 14, 2025 | ▼ 353.5K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
23
Increased
+3.45M shares2
New Positions
first time holders25
Decreased
−4.06M shares0
Sold Out
fully exitedNet shares change (top 50)
611.4K
+3.45M / −4.06M
Net new holders
+0
2 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
OSK insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
9
Buy transactions
1
Sell transactions
9.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Palmer Duncan director | May 12, 2026 | Sale | 505 | $133.86 | $67.6K | 39.7K | Form 4 ↗ |
DAVIS DOUGLAS LEE director | May 5, 2026 | Award | 1,110 | — | — | 8.9K | Form 4 ↗ |
Allman Keith J. director | May 5, 2026 | Award | 1,110 | — | — | 24.3K | Form 4 ↗ |
Burns Bill director | May 5, 2026 | Award | 1,110 | — | — | 4.4K | Form 4 ↗ |
CLAYTON ANNETTE K director | May 5, 2026 | Award | 1,110 | — | — | 4.6K | Form 4 ↗ |
Jordan Tyrone Michael director | May 5, 2026 | Award | 1,110 | — | — | 12.1K | Form 4 ↗ |
Metcalf-Kupres Kimberley director | May 5, 2026 | Award | 1,110 | — | — | 20.1K | Form 4 ↗ |
Palmer Duncan director | May 5, 2026 | Award | 1,110 | — | — | 40.2K | Form 4 ↗ |
Perkins David G director | May 5, 2026 | Award | 1,110 | — | — | 8.0K | Form 4 ↗ |
Rowland Sandra E. director | May 5, 2026 | Award | 1,110 | — | — | 13.8K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Oshkosh Corporation (OSK) is primarily owned by institutional investors, who hold approximately 97.1% of total shares outstanding. Company insiders own approximately 0.73%, while retail and public investors account for the remaining 2.19%.
The largest institutional shareholder of Oshkosh Corporation is VANGUARD GROUP INC, holding approximately 7.96 million shares — equal to 12.33% of outstanding shares — as of September 30, 2025.
A total of 589 institutional investors currently hold OSK stock, with a combined institutional value of approximately $7.84 billion as of the most recent 13F filing period.
Frequently asked questions
OSK ownershipOshkosh Corporation (OSK) is primarily owned by institutional investors, who hold approximately 97.1% of shares. The largest shareholder is VANGUARD GROUP INC with a 12.33% stake. Company insiders hold 0.73%. Data sourced from SEC Form 13F as of September 30, 2025.