$OSK

$133.34 +$1.64 (1.25%) Close

$OSK Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 61.7M shares outstanding

Who owns OSK?

By type of holder

Institutions 100.0% Insiders 0.0% Everyone else 0.0%

Concentration Top 10 holders own 53.3%

BlackRock, Inc. 9.6% · Aristotle Capital Management, LLC 7.7%

Institutional ownership

100.0%

+1.1 pts vs last qtr

Institutional holders

600

+8 vs last qtr

Net shares bought

+2.8M

by institutions in Q2 2026

New / sold out

87 / 79

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Aqr Capital Management LLC +2.0M
Norges Bank NEW +858.3K

Biggest sellers in Q2 2026

BlackRock, Inc. −1.6M
Thrivent Financial for Lutherans −380.6K

Who is planning to sell?

Notices of proposed sale, last 12 months

$4.03M

5 notices from 5 people

Shares covered

27.8K

0.05% of the company

Arranged in advance

54%

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

John Pfeifer Officer 10b5-1 $2.11M
Cortina Ignacio A Officer $995K

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2016–FY2025

−13.3%

−1.57% a year

Each share's claim on the business

+15.3%

grew without buying or selling a share

Spent on buybacks vs paid in stock

$1.45B vs $290M

over 10 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years76% 3–5 years7% 1–3 years8% Under 1 year10%

Quarterly turnover

9.9%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting OSK on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	6.0M	9.64%	−1.6M (−21.3%)	≤2021	0.0%
Shares held by quarter Peak holding9.0M (Q3'24) Change over 8 quarters−3.1M Share of the company9.640% BlackRock, Inc.'s full portfolio →
AC Aristotle Capital Management, LLC	4.7M	7.65%	−275.4K (−5.5%)	≤2021	1.5%
Shares held by quarter Peak holding6.3M (Q3'24) Change over 8 quarters−1.6M Share of the company7.650% Aristotle Capital Management, LLC's full portfolio →

BlackRock, Inc.

6.0M

% of company

9.64%

Change vs last qtr

−1.6M (−21.3%)

Held since

≤2021

Aristotle Capital Management, LLC

4.7M

% of company

7.65%

Change vs last qtr

−275.4K (−5.5%)

Held since

≤2021

28 more super investors behind a free account

See every manager holding Oshkosh Corp, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting OSK on Form N-PORT; together they hold 51.8% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
IC iShares Core S&P Mid-Cap ETF iShares Trust	$327M	2.1M	3.46%	0.26%	June 30, 2026
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$304M	2.0M	3.21%	0.01%	June 30, 2026

iShares Core S&P Mid-Cap ETF

iShares Trust

Position value

$327M

% of company

3.46%

% of the fund

0.26%

As of

June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$304M

% of company

3.21%

% of the fund

0.01%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding Oshkosh Corp and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
PJ Pfeifer John C Insider	150.7K	0.24%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.240% Pfeifer John C's insider activity →
CI Cortina Ignacio A Insider	54.9K	0.09%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.090% Cortina Ignacio A's insider activity →

Pfeifer John C

Insider

150.7K

% of company

0.24%

Change vs last qtr

—

Held since

—

Cortina Ignacio A

Insider

54.9K

% of company

0.09%

Change vs last qtr

—

Held since

—

21 more holders behind a free account

See every insider and 5%+ holder of Oshkosh Corp.

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