$ATR

$126.51 +$0.00 (0.0%) After hours

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

Ownership

13F as of Q2 2026 · 63.6M shares outstanding

Who owns ATR?

By type of holder

Institutions 96.4% Insiders 0.8% Everyone else 2.8%

Concentration Top 10 holders own 49.4%

BlackRock, Inc. 9.7% · State Farm Mutual Automobile Insurance Co 7.5%

Institutional ownership

96.4%

+3.2 pts vs last qtr

Institutional holders

553

+6 vs last qtr

Net shares bought

+2.0M

by institutions in Q2 2026

New / sold out

74 / 68

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Norges Bank NEW +649.6K
American Century Companies Inc +428.1K

Biggest sellers in Q2 2026

Aqr Capital Management LLC −549.1K
Mawer Investment Management Ltd. −464.0K

Who is planning to sell?

Notices of proposed sale, last 12 months

$8.24M

12 notices from 9 people

Shares covered

64.0K

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

Daniel Ackerman Officer $1.82M
Stephan B Tanda Director $1.34M

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

+2.9%

+0.32% a year

Each share's claim on the business

−2.8%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

$862M vs $329M

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+ years80% 3–5 years8% 1–3 years4% Under 1 year8%

Quarterly turnover

8.5%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting ATR on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	6.1M	9.65%	+54.4K (+0.9%)	≤2021	0.0%
Shares held by quarter Peak holding6.2M (Q3'25) Change over 8 quarters+78.3K Share of the company9.650% BlackRock, Inc.'s full portfolio →
SF State Farm Mutual Automobile Insurance Co	4.7M	7.46%	Unchanged	≤2021	0.4%
Shares held by quarter Peak holding4.7M (Q3'24) Change over 8 quarters0 Share of the company7.460% State Farm Mutual Automobile Insurance Co's full portfolio →

BlackRock, Inc.

6.1M

% of company

9.65%

Change vs last qtr

+54.4K (+0.9%)

Held since

≤2021

State Farm Mutual Automobile Insurance Co

4.7M

% of company

7.46%

Change vs last qtr

Unchanged

Held since

≤2021

28 more super investors behind a free account

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

Institutional Funds

Mutual funds and ETFs reporting ATR on Form N-PORT; together they hold 45.1% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
IC iShares Core S&P Mid-Cap ETF iShares Trust	$273M	2.2M	3.44%	0.22%	June 30, 2026
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$254M	2.0M	3.19%	0.01%	June 30, 2026

iShares Core S&P Mid-Cap ETF

iShares Trust

Position value

$273M

% of company

3.44%

% of the fund

0.22%

As of

June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$254M

% of company

3.19%

% of the fund

0.01%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding AptarGroup, Inc. 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
TS Tanda Stephan B. Insider	243.6K	0.38%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.380% Tanda Stephan B.'s insider activity →
AD Ackerman Daniel Insider	32.8K	0.05%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.050% Ackerman Daniel's insider activity →

Tanda Stephan B.

Insider

243.6K

% of company

0.38%

Change vs last qtr

—

Held since

—

Ackerman Daniel

Insider

32.8K

% of company

0.05%

Change vs last qtr

—

Held since

—

18 more holders behind a free account

See every insider and 5%+ holder of AptarGroup, Inc..

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