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%.
Overview of institutional ownership in ATR as of Q3 2025 with a market cap of $8.8B
Based on market cap of $8.8B as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.
Institutions with the largest positions in ATR as of Q3 2025
| Institution | Position Value |
|---|---|
VANGUARD GROUP INC Institution | $930.5M 0.01% of portfolio |
B BlackRock, Inc. Institution | $835.4M 0.01% of portfolio |
S STATE FARM MUTUAL AUTOMOBILE INSURANCE CO Institution | $634.2M 0.53% of portfolio |
MORGAN STANLEY RIA/Wealth | $568.3M 0.03% of portfolio |
STATE STREET CORP Institution | $370.7M 0.01% of portfolio |
Mawer Investment Management Ltd. Long Only Manager | $368.8M 1.91% of portfolio |
VICTORY CAPITAL MANAGEMENT INC Long Only Manager | $294.4M 0.17% of portfolio |
GEODE CAPITAL MANAGEMENT LLC ETF Provider | $214.4M 0.01% of portfolio |
FMR LLC Institution | $200.9M 0.01% of portfolio |
B BTIM Corp. Institution | $165.0M 1.21% of portfolio |
Institutional buying and selling activity for ATR in Q3 2025
| Institution | Net Bought |
|---|---|
Mawer Investment Management Ltd. Long Only Manager | +$181.5M +1.4M shares |
F FIDUCIARY MANAGEMENT INC /WI/ Long Only Manager | +$50.6M +378.7K shares |
FIRST TRUST ADVISORS LP ETF Provider | +$34.1M +255.3K shares |
B BTIM Corp. Institution | +$23.3M +174.1K shares |
AQR CAPITAL MANAGEMENT LLC Hedge Fund•Multi-Strategy | +$17.5M +131.9K shares |
SCHWARTZ INVESTMENT COUNSEL INC Long Only Manager | +$13.4M +100.0K shares |
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | +$11.3M +84.8K shares |
D D. E. Shaw & Co., Inc. Institution | +$9.8M +73.2K shares |
CRAWFORD INVESTMENT COUNSEL INC Long Only Manager | +$9.6M +71.6K shares |
VOLORIDGE INVESTMENT MANAGEMENT, LLC Hedge Fund•Multi-Strategy | +$9.3M +69.8K shares |
| Institution | Net Sold |
|---|---|
FMR LLC Institution | −$74.2M −555.2K shares |
CONGRESS ASSET MANAGEMENT CO /MA Long Only Manager | −$68.3M −510.9K shares |
SCHRODER INVESTMENT MANAGEMENT GROUP RIA/Wealth | −$34.3M −259.4K shares |
Allspring Global Investments Holdings, LLC Long Only Manager | −$33.4M −248.9K shares |
H Handelsbanken Fonder AB Institution | −$27.4M −205.0K shares |
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 |
−$22.4M −167.3K shares |
Institutions that initiated new positions or completely exited ATR in Q3 2025
| 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 |
| 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 |
Institutions with the largest Call and Put options positions in ATR as of Q3 2025
| 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 |
| 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 |
Institutions with ATR as the highest % of their portfolio as of Q3 2025
| Institution | Portfolio Weight |
|---|---|
Regents Gate Capital LLP Hedge Fund•Market 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 |
SPEECE THORSON CAPITAL GROUP INC Long Only Manager | 2.66% $13.3M |
H Hemenway Trust Co LLC Institution | 2.62% $31.7M |
S SOMERVILLE KURT F Institution | 2.54% $14.7M |
K Kidder Stephen W Institution | 2.47% $8.4M |
N Notis-McConarty Edward Institution | 2.41% $5.0M |
Discover hedge funds investing in ATR

| Top Holding | Sector | Market Value | Weight |
|---|---|---|---|
Software - Infrastructure Technology | $927.1M | 3.11% | |
Semiconductors Technology | $477.0M | 1.60% | |
Discount Stores Consumer Defensive | $441.9M | 1.48% |
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