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 Mar 31, 2025
Ownership Breakdown
519
Institutional Holders
▲ 25 vs Q4
$5.75B
Total Inst. Value
▲ $57.55M vs Q4
62.35M
Shares Outstanding
freeFloat 99.27%
61.17M
13F Shares Held
▲ 1.26M vs Q4
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
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC motor vehicles & passenger car bodies | 8.18M | 12.47% | 12.47% | $769.30B | May 9, 2025 | ▲ 35.4K |
BLACKROCK, INC. motor vehicles & passenger car bodies | 6.24M | 9.52% | 9.52% | $587.50B | May 2, 2025 | ▼ 1.74M |
ARISTOTLE CAPITAL MANAGEMENT, LLC motor vehicles & passenger car bodies | 6.08M | 9.28% | 9.28% | $572.17B | May 15, 2025 | ▼ 148.3K |
DIMENSIONAL FUND ADVISORS LP motor vehicles & passenger car bodies | 2.67M | 4.08% | 4.08% | $251.42B | May 13, 2025 | ▲ 354.7K |
GREENHAVEN ASSOCIATES INC motor vehicles & passenger car bodies | 2.55M | 3.89% | 3.89% | $240.24B | Apr 2, 2025 | ▲ 1.5K |
AMERICAN CENTURY COMPANIES INC motor vehicles & passenger car bodies | 2.33M | 3.55% | 3.55% | $219.10B | May 13, 2025 | ▲ 298.5K |
STATE STREET CORP motor vehicles & passenger car bodies | 2.11M | 3.22% | 3.22% | $198.62B | May 15, 2025 | ▲ 31.8K |
FMR LLC motor vehicles & passenger car bodies | 1.80M | 2.74% | 2.74% | $168.91B | May 12, 2025 | ▲ 411.8K |
LSV ASSET MANAGEMENT motor vehicles & passenger car bodies | 1.73M | 2.63% | 2.63% | $162.44B | May 9, 2025 | ▲ 111.1K |
AQR CAPITAL MANAGEMENT LLC motor vehicles & passenger car bodies | 1.36M | 2.08% | 2.08% | $126.22B | May 15, 2025 | ▲ 992.3K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
32
Increased
+4.35M shares2
New Positions
first time holders16
Decreased
−2.88M shares0
Sold Out
fully exitedNet shares change (top 50)
+1.47M
+4.35M / −2.88M
Net new holders
+18
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 98.1% of total shares outstanding. Company insiders own approximately 0.73%, while retail and public investors account for the remaining 1.17%.
The largest institutional shareholder of Oshkosh Corporation is VANGUARD GROUP INC, holding approximately 8.18 million shares — equal to 12.47% of outstanding shares — as of March 31, 2025.
A total of 519 institutional investors currently hold OSK stock, with a combined institutional value of approximately $5.75 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 98.1% of shares. The largest shareholder is VANGUARD GROUP INC with a 12.47% stake. Company insiders hold 0.73%. Data sourced from SEC Form 13F as of March 31, 2025.