$PKG

$248.44 -$4.57 (1.81%) Close

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

Ownership

13F as of Q2 2026 · 89.1M shares outstanding

Who owns PKG?

By type of holder

Institutions 100.0% Insiders 0.0% Everyone else 0.0%

Concentration Top 10 holders own 212.3%

BlackRock, Inc. 51.9% · Mencoff Samuel M 24.8%

Institutional ownership

100.0%

0 pts vs last qtr

Institutional holders

1,076

+12 vs last qtr

Net shares bought

−4.8M

by institutions in Q2 2026

New / sold out

111 / 99

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Pzena Investment Management LLC +8.9M
Norges Bank NEW +3.2M

Biggest sellers in Q2 2026

Boston Partners −6.1M
EdgePoint Investment Group Inc. SOLD OUT −4.5M

Who is planning to sell?

Notices of proposed sale, last 12 months

$21.6M

5 notices from 3 people

Shares covered

88.2K

0.10% of the company

Arranged in advance

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Hassfurther Thomas A Officer $16.6M
Donald Ray Shirley Director $3M

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, FY2023–FY2025

+0.1%

+0.06% a year

Each share's claim on the business

−0.1%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

$195M vs $134M

over 3 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 years2% 1–3 years17% Under 1 year5%

Quarterly turnover

11.4%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting PKG on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	46.3M	51.93%	+1.7M (+3.7%)	≤2021	0.0%
Shares held by quarter Peak holding46.3M (Q2'26) Change over 8 quarters+11.9M Share of the company51.930% BlackRock, Inc.'s full portfolio →
VP Vanguard Portfolio Management LLC	18.8M	21.12%	+52.5K (+0.3%)	≤2021	0.1%
Shares held by quarter Peak holding18.8M (Q2'26) Change over 8 quarters+18.8M Share of the company21.120% Vanguard Portfolio Management LLC's full portfolio →

BlackRock, Inc.

46.3M

% of company

51.93%

Change vs last qtr

+1.7M (+3.7%)

Held since

≤2021

Vanguard Portfolio Management LLC

18.8M

% of company

21.12%

Change vs last qtr

+52.5K (+0.3%)

Held since

≤2021

28 more super investors behind a free account

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

Institutional Funds

Mutual funds and ETFs reporting PKG on Form N-PORT; together they hold 188.1% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$887M	10.9M	12.24%	0.04%	June 30, 2026
V5 Vanguard 500 Index Fund Vanguard Index Funds	$546M	2.3M	2.57%	0.03%	June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$887M

% of company

12.24%

% of the fund

0.04%

As of

June 30, 2026

Vanguard 500 Index Fund

Vanguard Index Funds

Position value

$546M

% of company

2.57%

% of the fund

0.03%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding Packaging Corp of America 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
MS Mencoff Samuel M Insider	22.1M	24.81%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company24.810% Mencoff Samuel M's insider activity →
ST Souleles Thomas S Insider	21.7M	24.35%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company24.350% Souleles Thomas S's insider activity →

Mencoff Samuel M

Insider

22.1M

% of company

24.81%

Change vs last qtr

—

Held since

—

Souleles Thomas S

Insider

21.7M

% of company

24.35%

Change vs last qtr

—

Held since

—

17 more holders behind a free account

See every insider and 5%+ holder of Packaging Corp of America.

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