Oshkosh Corporation (OSK) Ownership

NYSE: OSKTop holders, insider trades and short interest.

OSK ownership summary

as of October 18, 2026
Institutions
104.9%
of shares outstanding
Insiders
0.73%
of shares outstanding
Shares outstanding
61.7M
Float
57.9M
shares available to trade
Short interest
3.85%
2.1M shares short
Days to cover
3.33
short interest up 10.8% vs prior month
  • Institutions 104.88%
  • Insiders 0.73%

OSK top institutional holders

20 largest
Oshkosh Corporation top institutional holders
#Holder% of sharesSharesValueChangeReported
1BlackRock Inc9.64%6.0M$756.3M−1.6M (−21.3%)June 30, 2026
2Aristotle Capital Management LLC7.66%4.7M$600.3M−275,379 (−5.5%)June 30, 2026
3Vanguard Portfolio Management, LLC7.05%4.4M$552.6M+104,058 (+2.5%)June 30, 2026
4AQR Capital Management LLC5.47%3.4M$429.3M+2.0M (+147.7%)June 30, 2026
5Dimensional Fund Advisors, Inc.5.19%3.2M$407.2M+154,653 (+5.1%)June 30, 2026
6Vanguard Capital Management, LLC4.56%2.8M$357.6M+6,596 (+0.2%)June 30, 2026
7Greenhaven Associates Inc4.14%2.6M$325.0M+27,675 (+1.1%)June 30, 2026
8LSV Asset Management3.45%2.1M$270.8M+143,042 (+7.2%)June 30, 2026
9State Street Corp3.38%2.1M$264.8M−14,373 (−0.7%)June 30, 2026
10Amvescap Plc.3.11%1.9M$244.1M+213,219 (+12.5%)June 30, 2026
11Capital Research Global Investors2.81%1.7M$220.6M+337,503 (+24.1%)June 30, 2026
12FMR Inc2.76%1.7M$216.1M−275,377 (−13.9%)June 30, 2026
13First Trust Advisors L.P.2.27%1.4M$177.8M+109,715 (+8.5%)June 30, 2026
14Geode Capital Management, LLC2.07%1.3M$162.2M+4,763 (+0.4%)June 30, 2026
15Franklin Templeton Inc1.60%988K$125.5M+605,982 (+158.5%)June 30, 2026
16Great West Life Assurance Co1.55%955K$121.4M+3,070 (+0.3%)June 30, 2026
17Bank of America Corp1.43%884K$112.3M−94,743 (−9.7%)June 30, 2026
18NORGES BANK1.39%858K$109.0M−159,804 (−15.7%)June 30, 2026
19Morgan Stanley - Brokerage Accounts1.35%836K$106.1M−33,002 (−3.8%)June 30, 2026
20AllianceBernstein L.P.1.34%825K$104.8M+15,224 (+1.9%)June 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 13 holders added 3.7M shares and 7 cut 2.5M.

OSK top mutual fund and ETF holders

20 largest
Oshkosh Corporation top fund holders
#Holder% of sharesSharesValueChangeReported
1iShares Core S&P Mid-Cap ETF3.56%2.2M$279.3M−780 (−0.0%)September 30, 2026
2Vanguard MStar Total Stk Mkt Idx Invest3.21%2.0M$251.5M−7,244 (−0.4%)August 31, 2026
3American Funds SMALLCAP World A3.20%2.0M$251.2M—September 30, 2026
4Vanguard Windsor II Inv2.59%1.6M$203.4M—June 30, 2026
5Vanguard Small Cap Index2.25%1.4M$176.4M−45,717 (−3.2%)September 30, 2026
6Invesco Small Cap Value A1.98%1.2M$155.7M+421,967 (+52.5%)August 31, 2026
7First Trust RBA Amer Indl RenaisTM ETF1.68%1.0M$131.4M+597 (+0.1%)September 30, 2026
8Vanguard Equity-Income Inv1.56%965K$122.5M+111,796 (+13.1%)June 30, 2026
9Vanguard MStar Small Cap Value Index1.46%904K$114.9M−6,642 (−0.7%)September 30, 2026
10DFA US Small Cap Value I1.13%700K$88.9M—August 31, 2026
11Invesco Value Opportunities A1.05%647K$82.1M+19,248 (+3.1%)August 31, 2026
12Franklin Small Cap Value A0.86%533K$67.8M—August 31, 2026
13Fidelity Value0.74%459K$58.3M+36,800 (+8.7%)August 31, 2026
14State Street® SPDR® S&P MIDCAP 400® ETF0.74%457K$58.0M+520 (+0.1%)September 30, 2026
15DFA US Targeted Value I0.68%422K$53.5M+9,816 (+2.4%)August 31, 2026
16Vanguard Selected Value Inv0.61%374K$47.5M—June 30, 2026
17Strategic Advisers U.S. Total Stock0.59%367K$46.7M−800 (−0.2%)August 31, 2026
18Vanguard Dividend Appreciation ETF0.57%349K$44.4M−3,643 (−1.0%)September 30, 2026
19Dimensional US Targeted Value ETF0.55%337K$42.8M+68 (+0.0%)September 30, 2026
20State Street SPDR Port S&P 400 Md CpETF0.53%326K$41.5M−456 (−0.1%)September 30, 2026

Funds report holdings monthly or quarterly; dates differ by fund.

OSK insider transactions

latest 6
Oshkosh Corporation insider transactions
DateNameTransactionPriceSharesValue
2026-02-27Anupam KhareSell$169.074,000$676,280
2025-10-31Lisa C. McClainSell$123.38——
2025-10-30Lisa C. McClainSell$123.15——
2025-10-30Lisa C. McClainBuy$123.15——
2025-08-22Anupam KhareSell$139.034,000$556,120
2025-08-18Bryan K BrandtSell$140.371,732$243,121

Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.

OSK shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns OSK

Institutional investors own 104.9% of Oshkosh's shares and insiders 0.73%. The largest holder is BlackRock Inc with 9.64% of the shares (6.0M), as of June 30, 2026. Among the top 20 institutions, 13 added shares and 7 reduced their stake in the latest filings. Short interest is 3.85% of the float, or 3.33 days of average trading volume. The share count fell 20.1% since 2014.

Related: OSK analyst forecast, OSK key metrics, OSK dividend history. See the OSK stock overview for the latest quote and news.

OSK ownership FAQ

Who owns the most Oshkosh stock?

The largest shareholders of Oshkosh are BlackRock Inc (9.64%), Aristotle Capital Management LLC (7.66%), Vanguard Portfolio Management, LLC (7.05%), AQR Capital Management LLC (5.47%), Dimensional Fund Advisors, Inc. (5.19%).

What percentage of Oshkosh is owned by institutions?

Institutions hold 104.9% of Oshkosh's shares outstanding; insiders hold 0.73%.

Which funds own Oshkosh?

The largest fund holders of Oshkosh are iShares Core S&P Mid-Cap ETF (3.56%), Vanguard MStar Total Stk Mkt Idx Invest (3.21%), American Funds SMALLCAP World A (3.20%), Vanguard Windsor II Inv (2.59%), Vanguard Small Cap Index (2.25%).

What is Oshkosh's short interest?

2.1M shares of Oshkosh were sold short, 3.85% of the float; at the average daily volume it would take 3.33 days to cover.

Are insiders buying or selling Oshkosh?

Of the latest 6 reported insider transactions in Oshkosh (since August 18, 2025), 1 were purchases and 5 were sales.

How many shares of Oshkosh are outstanding?

Oshkosh has 61.7M shares outstanding, of which 57.9M are in the public float.

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