AptarGroup logo

AptarGroup

ATRNYSE

AptarGroup is a medical - instruments & supplies company in the healthcare sector on NYSE, led by Matthew L. Trerotola, with a market cap of $8.0B. As of Q3 2025, 92% of shares are held by 484 institutional investors, with VANGUARD GROUP INC as the largest holder at 10.57%.

Chief Executive OfficerMatthew L. Trerotola
Market Cap$8.0B
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
484
Value Held
$8.1B
Shares Held
60.4M
Avg Position
$16.7M
Median Position
$930.7K

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%Institutional (non-HF)Hedge Funds: 3.54%Retail & Other: 8.41%Retail & Other
Institutional (non-HF)
88.05%
$7.8B
Hedge Funds
3.54%
$312.1M
Retail & Other
8.41%
$740.4M

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

InstitutionPosition Value
$930.5M
0.01% of portfolio
B
BlackRock, Inc.
Institution
$835.4M
0.01% of portfolio
$634.2M
0.53% of portfolio
MORGAN STANLEY logo
MORGAN STANLEY
RIA/Wealth
$568.3M
0.03% of portfolio
$370.7M
0.01% of portfolio
$368.8M
1.91% of portfolio
$294.4M
0.17% of portfolio
$214.4M
0.01% of portfolio
FMR LLC logo
FMR LLC
Institution
$200.9M
0.01% of portfolio
B
BTIM Corp.
Institution
$165.0M
1.21% of portfolio

Net Capital Flow

Institutional buying and selling activity for ATR in Q3 2025

Net Flow
$183.3M
Buyers
171
Sellers
262
Total Bought
+$498.9M
Total Sold
$682.2M
Avg Position
$16.1M

Biggest Buyers

InstitutionNet Bought
+$181.5M
+1.4M shares
+$50.6M
+378.7K shares
+$34.1M
+255.3K shares
B
BTIM Corp.
Institution
+$23.3M
+174.1K shares
AQR CAPITAL MANAGEMENT LLC logo
AQR CAPITAL MANAGEMENT LLC
Hedge FundMulti-Strategy
+$17.5M
+131.9K shares
+$13.4M
+100.0K shares
CITADEL ADVISORS LLC logo
CITADEL ADVISORS LLC
Hedge FundMulti-Strategy
+$11.3M
+84.8K shares
+$9.8M
+73.2K shares
+$9.6M
+71.6K shares
VOLORIDGE INVESTMENT MANAGEMENT, LLC logo
VOLORIDGE INVESTMENT MANAGEMENT, LLC
Hedge FundMulti-Strategy
+$9.3M
+69.8K shares

Biggest Sellers

InstitutionNet Sold
FMR LLC logo
FMR LLC
Institution
$74.2M
555.2K shares
$68.3M
510.9K shares
$34.3M
259.4K shares
$33.4M
248.9K shares
$27.4M
205.0K shares
S
SCOPUS ASSET MANAGEMENT, L.P.
Hedge FundLong/Short
$25.4M
162.5K shares
$23.5M
150.5K shares
$23.4M
149.7K shares
$22.7M
144.9K shares
$22.4M
167.3K 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

InstitutionPosition Value
$16.8M
125.7K shares
Regents Gate Capital LLP logo
Regents Gate Capital LLP
Hedge FundMarket Neutral
$10.6M
79.3K shares
$2.4M
17.7K shares
$579.8K
4.3K shares
$546.4K
4.1K shares
$401.1K
3.0K shares
$400.4K
3.0K shares
$352.3K
2.7K shares
$293.7K
2.2K shares
$221.7K
1.7K shares

Exited Positions

InstitutionPrevious Position
S
SCOPUS ASSET MANAGEMENT, L.P.
Hedge FundLong/Short
$25.4M
162.5K shares
$23.5M
150.5K shares
$23.4M
149.7K shares
$22.7M
144.9K shares
GREAT LAKES ADVISORS, LLC logo
GREAT LAKES ADVISORS, LLC
Long Only Manager
$5.1M
32.4K shares
$4.7M
29.2K shares
$4.3M
27.4K shares
$3.8M
24.5K shares
Edgestream Partners, L.P. logo
Edgestream Partners, L.P.
Hedge FundQuant 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

InstitutionPosition Value
Oribel Capital Management, LP logo
Oribel Capital Management, LP
Hedge FundLong/Short
$12.8M
957.0 contracts
$2.4M
179.0 contracts
$1.4M
102.0 contracts
CITADEL ADVISORS LLC logo
CITADEL ADVISORS LLC
Hedge FundMulti-Strategy
$721.8K
54.0 contracts
$489.4K
37.0 contracts

Put Positions

InstitutionPosition Value
$7.3M
543.0 contracts
$3.7M
279.0 contracts
CITADEL ADVISORS LLC logo
CITADEL ADVISORS LLC
Hedge FundMulti-Strategy
$2.3M
172.0 contracts

Most Committed Institutions

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

InstitutionPortfolio Weight
Regents Gate Capital LLP logo
Regents Gate Capital LLP
Hedge FundMarket Neutral
3.76%
$10.6M
D
Delaney Dennis R
Institution
3.28%
$6.3M
2.84%
$18.1M
E
Elefante Mark B
Institution
2.72%
$4.1M
P
PUZO MICHAEL J
Institution
2.70%
$9.5M
2.66%
$13.3M
2.62%
$31.7M
S
2.54%
$14.7M
K
Kidder Stephen W
Institution
2.47%
$8.4M
2.41%
$5.0M

Hedge Fund Spotlight

Discover hedge funds investing in ATR

VOLORIDGE INVESTMENT MANAGEMENT, LLC logo
VOLORIDGE INVESTMENT MANAGEMENT, LLC
Hedge FundMulti-Strategy
Portfolio ManagerDavid Spiel Vogel
Portfolio Value
$29.8B
Positions
1,153
Last Reported
Q3 2025
AddressJupiter, FL
Sector Allocation
Technology: 24.00%TechnologyIndustrials: 14.90%IndustrialsFinancial Services: 11.90%Financial ServicesConsumer Cyclical: 11.00%Consumer CyclicalHealthcare: 9.30%HealthcareConsumer Defensive: 5.70%Communication Services: 5.00%Energy: 4.10%Basic Materials: 3.20%Real Estate: 2.70%Utilities: 2.10%
AptarGroup logo

Position in AptarGroup

Market Value
$20.6M
Shares Held
154.2K
Portfolio Weight
0.07%
Owned Since
2021-Q3
Top HoldingSectorMarket ValueWeight
Software - Infrastructure
Technology
$927.1M3.11%
2
Nvidia logo
Nvidia
NVDA
Semiconductors
Technology
$477.0M1.60%
Discount Stores
Consumer Defensive
$441.9M1.48%

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