AptarGroup

ATR • NYSE

AptarGroup is a medical - instruments & supplies company in the healthcare sector on NYSE, led by Stephan Tanda, with a market cap of $8.2B. As of Q3 2025, 92% of shares are held by 486 institutional investors, with VANGUARD GROUP INC as the largest holder at 10.57%.

CEOStephan Tanda

Market Cap$8.2B

Medical - Instruments & Supplies

Healthcare

Employees13.8K

Websiteaptar.com

Country

United States of America

Overview

Overview of institutional ownership in ATR as of Q3 2025 with a market cap of $8.8B

All Institutions

Institutions: 486
Value Held: $8.1B
Shares Held: 60.4M
Avg Position: $16.6M
Median Position: $920.8K

Hedge Funds

Hedge Funds: 39
Value Held: $312.1M
Shares Held: 2.3M
Avg Position: $8.0M
Median Position: $2.6M

Ownership Breakdown

Institutional (non-HF)

88.05%

$7.8B

Hedge Funds

3.54%

$312.1M

Retail & Other

8.4%

$740.0M

Based on market cap of $8.8B as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in ATR as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
VANGUARD GROUP INC Institution	Salim Ramji CEO	$930.5M 0.01% of portfolio	10.57% 7.0M shares	≤ Q2 2013 Held for 12y 6m+	$6.69T
BlackRock, Inc. Institution	Laurence D. Fink CEO	$835.4M 0.01% of portfolio	9.49% 6.2M shares	≤ Q2 2013 Held for 12y 6m+	$5.67T
S STATE FARM MUTUAL AUTOMOBILE INSURANCE CO Institution	-	$634.2M 0.53% of portfolio	7.20% 4.7M shares	≤ Q2 2013 Held for 12y 6m+	$119.95B
MORGAN STANLEY RIA/Wealth	Jed Finn CEO	$568.3M 0.03% of portfolio	6.45% 4.3M shares	≤ Q2 2013 Held for 12y 6m+	$1.65T
STATE STREET CORP Institution	Ronald P. O'Hanley CEO	$370.7M 0.01% of portfolio	4.21% 2.8M shares	≤ Q2 2013 Held for 12y 6m+	$2.88T
Mawer Investment Management Ltd. Long Only Manager	Geoffrey Grafton Ritchie Chairman	$368.8M 1.91% of portfolio	4.19% 2.8M shares	Q3 2016 Held for 9y 3m	$19.3B
VICTORY CAPITAL MANAGEMENT INC Long Only Manager	David Craig Brown CEO	$294.4M 0.19% of portfolio	3.34% 2.2M shares	Q4 2014 Held for 11 years	$158.22B
GEODE CAPITAL MANAGEMENT LLC ETF Provider	David Kenneth Lane CEO	$214.4M 0.01% of portfolio	2.43% 1.6M shares	≤ Q2 2013 Held for 12y 6m+	$1.57T
FMR LLC Institution	-	$200.9M 0.01% of portfolio	2.28% 1.5M shares	≤ Q2 2013 Held for 12y 6m+	$1.92T
B BTIM Corp. Institution	-	$165.0M 1.21% of portfolio	1.87% 1.2M shares	≤ Q2 2013 Held for 12y 6m+	$13.6B

Net Capital Flow

Institutional buying and selling activity for ATR in Q3 2025

Traded: −$13.2M
Buyers: 235
Sellers: 256
Total Bought: +$569.3M
Total Sold: −$582.5M
Avg Position: $14.5M

Biggest Buyers

Institution	Net Bought	Current Position
Mawer Investment Management Ltd. Long Only Manager	+$181.5M +1.4M shares	$368.8M 2.8M shares
F FIDUCIARY MANAGEMENT INC /WI/ Long Only Manager	+$50.6M +378.7K shares	$152.8M 1.1M shares
FIRST TRUST ADVISORS LP ETF Provider	+$34.1M +255.3K shares	$49.8M 372.4K shares
B BTIM Corp. Institution	+$23.3M +174.1K shares	$165.0M 1.2M shares
AQR CAPITAL MANAGEMENT LLC Hedge Fund•Multi-Strategy	+$17.5M +131.9K shares	$71.3M 536.9K shares
Copeland Capital Management, LLC Long Only Manager	+$16.8M +125.7K shares	$16.8M 125.7K shares
SCHWARTZ INVESTMENT COUNSEL INC Long Only Manager	+$13.4M +100.0K shares	$49.5M 370.0K shares
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	+$11.3M +84.8K shares	$19.8M 148.0K shares
Regents Gate Capital LLP Hedge Fund•Market Neutral	+$10.6M +79.3K shares	$10.6M 79.3K shares
D D. E. Shaw & Co., Inc. Institution	+$9.8M +73.2K shares	$11.3M 84.8K shares

Biggest Sellers

Institution	Net Sold	Current Position
FMR LLC Institution	−$74.2M −555.2K shares	$200.9M 1.5M shares
SCHRODER INVESTMENT MANAGEMENT GROUP RIA/Wealth	−$34.3M −259.4K shares	$24.0M 181.3K shares
Allspring Global Investments Holdings, LLC Long Only Manager	−$33.4M −248.9K shares	$81.1M 604.3K shares
H Handelsbanken Fonder AB Institution	−$27.4M −205.0K shares	$64.0M 478.8K shares
S SCOPUS ASSET MANAGEMENT, L.P. Hedge Fund•Long/Short	−$25.4M −162.5K shares	Sold Off 0 shares
JUPITER ASSET MANAGEMENT LTD Long Only Manager	−$23.5M −150.5K shares	Sold Off 0 shares
Polar Capital Holdings Plc Long Only Manager	−$23.4M −149.7K shares	Sold Off 0 shares
R Robeco Institutional Asset Management B.V. Institution	−$22.7M −144.9K shares	Sold Off 0 shares
MOUNTAIN PACIFIC INVESTMENT ADVISERS INC/ID RIA/Wealth	−$22.4M −167.3K shares	$18.1M 135.7K shares
AMERIPRISE FINANCIAL INC Institution	−$20.0M −149.8K shares	$23.8M 177.8K shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited ATR in Q3 2025

New Positions: 27
New Value: $33.3M
Exited Positions: 68
Exited Value: $139.8M

New Positions

Institution	Position Value
Copeland Capital Management, LLC Long Only Manager	$16.8M 125.7K shares
Regents Gate Capital LLP Hedge Fund•Market Neutral	$10.6M 79.3K shares
S Strengthening Families & Communities, LLC Institution	$2.4M 17.7K shares
O'Brien Wealth Partners LLC RIA/Wealth	$579.8K 4.3K shares
Pensionmark Financial Group, LLC Pension/Endowment	$546.4K 4.1K shares
SCRATCH CAPITAL LLC RIA/Wealth	$401.1K 3.0K shares
Warren Averett Asset Management, LLC RIA/Wealth	$400.4K 3.0K shares
D DRW Securities, LLC Institution	$352.3K 2.7K shares
HARBOR CAPITAL ADVISORS, INC. ETF Provider	$293.7K 2.2K shares
NorthRock Partners, LLC RIA/Wealth	$221.7K 1.7K shares

Exited Positions

Institution	Previous Position
S SCOPUS ASSET MANAGEMENT, L.P. Hedge Fund•Long/Short	$25.4M 162.5K shares
JUPITER ASSET MANAGEMENT LTD Long Only Manager	$23.5M 150.5K shares
Polar Capital Holdings Plc Long Only Manager	$23.4M 149.7K shares
R Robeco Institutional Asset Management B.V. Institution	$22.7M 144.9K shares
GREAT LAKES ADVISORS, LLC Long Only Manager	$5.1M 32.4K shares
BRASADA CAPITAL MANAGEMENT, LP Real Assets	$4.7M 29.2K shares
T TEXAS PERMANENT SCHOOL FUND Institution	$4.3M 27.4K shares
Moran Wealth Management, LLC RIA/Wealth	$3.8M 24.5K shares
Edgestream Partners, L.P. Hedge Fund•Quant Macro	$3.4M 21.8K shares
A AXA Institution	$2.9M 18.7K shares

Options Activity

Institutions with the largest Call and Put options positions in ATR as of Q3 2025

Call Positions: 5
Call Value: $17.8M
Put Positions: 3
Put Value: $13.3M

Call Positions

Institution	Position Value
Oribel Capital Management, LP Hedge Fund•Long/Short	$12.8M 957.0 contracts
BOOTHBAY FUND MANAGEMENT, LLC Fund of Funds	$2.4M 179.0 contracts
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$1.4M 102.0 contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$721.8K 54.0 contracts
W WOLVERINE TRADING, LLC Institution	$489.4K 37.0 contracts

Put Positions

Institution	Position Value
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$7.3M 543.0 contracts
J JANE STREET GROUP, LLC Institution	$3.7M 279.0 contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$2.3M 172.0 contracts

Most Committed Institutions

Institutions with ATR as the highest % of their portfolio as of Q3 2025

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
Regents Gate Capital LLP Hedge Fund•Market Neutral	Joshua White CIO	3.76% $10.6M	0.12% 79.3K shares	Q3 2025 Held for 3 months	$281.7M
D Delaney Dennis R Institution	-	3.26% $6.3M	0.07% 47.3K shares	Q3 2022 Held for 3y 3m	$194.3M
MOUNTAIN PACIFIC INVESTMENT ADVISERS INC/ID RIA/Wealth	William John Palumbo CEO	2.84% $18.1M	0.21% 135.7K shares	≤ Q2 2013 Held for 12y 6m+	$639.0M
E Elefante Mark B Institution	-	2.71% $4.1M	0.05% 30.7K shares	Q4 2024 Held for 1 year	$151.4M
P PUZO MICHAEL J Institution	-	2.68% $9.5M	0.11% 70.9K shares	Q4 2012 Held for 13 years	$353.2M
SPEECE THORSON CAPITAL GROUP INC Long Only Manager	Matthew Jeremy Weight Director	2.66% $13.3M	0.15% 99.5K shares	≤ Q2 2013 Held for 12y 6m+	$500.5M
H Hemenway Trust Co LLC Institution	-	2.62% $31.7M	0.36% 237.1K shares	Q1 2013 Held for 12y 9m	$1.2B
S SOMERVILLE KURT F Institution	-	2.52% $14.7M	0.17% 110.0K shares	Q4 2012 Held for 13 years	$582.5M
K Kidder Stephen W Institution	-	2.47% $8.4M	0.10% 62.7K shares	≤ Q2 2013 Held for 12y 6m+	$339.8M
N Notis-McConarty Edward Institution	-	2.40% $5.0M	0.06% 37.6K shares	Q4 2013 Held for 12 years	$209.6M

Hedge Fund Spotlight

Discover hedge funds investing in ATR

Bayforest Capital Ltd

Hedge Fund • Quant

Portfolio ManagerTheodoros Tsagaris

Portfolio Value: $210.5M
Positions: 719
Last Reported: Q3 2025

Sector Allocation

Position in AptarGroup

Market Value: $81.5K
Shares Held: 610.0
Portfolio Weight: 0.04%
Owned Since: 2024-Q4

Top Holding	Sector	Market Value	Weight
1 SolarEdge Technologies SEDG	Solar Energy	$1.5M	0.72%
2 Peloton Interactive, Inc. PTON	Leisure Consumer Cyclical	$1.3M	0.63%
3 Crown Castle CCI	REIT - Specialty Real Estate	$1.3M	0.61%