APTARGROUP INC (ATR): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in ATR · Materials. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
22
13F filers
Aggregate Value
$359.0M
Across holders
Last Price
$134.75
2026-08-24
Sector
Materials
GICS
Quarterly fund activity11 increased11 reduced3 exited
Full exits: Point72 Asset Management, L.P., BAILLIE GIFFORD & CO, ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
Institutional Holders of ATR
22 holders
ManagerTypeSharesMarket Value% of Total% of PortfolioActionQoQ ChangeQuarter
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund680K$84.7M23.6%0.0%Reduced+$84.6MQ2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund392K$49.1M13.7%0.0%Reduced+$46.6MQ2 2026
Grantham, Mayo, Van Otterloo & Co. LLC
CIK 0001352662
Institutional Manager286K$35.8M10.0%0.1%Added+$3.7MQ2 2026
Rockefeller Capital Management L.P.
CIK 0001739439
Hedge Fund260K$32.6M9.1%0.0%Added$-121.8MQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund241K$30.2M8.4%0.0%Added+$29.2MQ2 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund170K$21.3M5.9%0.0%Reduced$-300KQ2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund156K$19.5M5.4%0.0%Reduced$-13.2MQ2 2026
BALYASNY ASSET MANAGEMENT LLC
CIK 0001218710
Hedge Fund155K$19.4M5.4%0.0%Reduced$-14.6MQ2 2026
Gotham Asset Management, LLC
CIK 0001510387
Hedge Fund109K$13.7M3.8%0.0%Added+$9.9MQ2 2026
Qube Research & Technologies Ltd
CIK 0001729829
Hedge Fund92K$11.5M3.2%0.0%Added+$7.6MQ2 2026
AQR CAPITAL MANAGEMENT LLCReduced
Hedge Fund
$84.7M· 23.6% of total· 0.0% port· 680K sh· +$84.6M QoQ· Q2 2026
SHAW D E & CO INCReduced
Hedge Fund
$49.1M· 13.7% of total· 0.0% port· 392K sh· +$46.6M QoQ· Q2 2026
Grantham, Mayo, Van Otterloo & Co. LLCAdded
Institutional Manager
$35.8M· 10.0% of total· 0.1% port· 286K sh· +$3.7M QoQ· Q2 2026
Rockefeller Capital Management L.P.Added
Hedge Fund
$32.6M· 9.1% of total· 0.0% port· 260K sh· $-121.8M QoQ· Q2 2026
CITADEL ADVISORS LLCAdded
Hedge Fund
$30.2M· 8.4% of total· 0.0% port· 241K sh· +$29.2M QoQ· Q2 2026
RENAISSANCE TECHNOLOGIES LLCReduced
Hedge Fund
$21.3M· 5.9% of total· 0.0% port· 170K sh· $-300K QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCReduced
Hedge Fund
$19.5M· 5.4% of total· 0.0% port· 156K sh· $-13.2M QoQ· Q2 2026
BALYASNY ASSET MANAGEMENT LLCReduced
Hedge Fund
$19.4M· 5.4% of total· 0.0% port· 155K sh· $-14.6M QoQ· Q2 2026
Gotham Asset Management, LLCAdded
Hedge Fund
$13.7M· 3.8% of total· 0.0% port· 109K sh· +$9.9M QoQ· Q2 2026
Qube Research & Technologies LtdAdded
Hedge Fund
$11.5M· 3.2% of total· 0.0% port· 92K sh· +$7.6M QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$11.4M· 3.2% of total· 0.0% port· 91K sh· +$3.6M QoQ· Q2 2026
VOLORIDGE INVESTMENT MANAGEMENT, LLCReduced
Hedge Fund
$7.5M· 2.1% of total· 0.0% port· 60K sh· $-11.4M QoQ· Q2 2026
Holocene Advisors, LPAdded
Hedge Fund
$7.1M· 2.0% of total· 0.0% port· 57K sh· +$2.4M QoQ· Q2 2026
Schonfeld Strategic Advisors LLCAdded
Hedge Fund
$3.9M· 1.1% of total· 0.0% port· 31K sh· +$2.3M QoQ· Q2 2026
Man Group plcReduced
Hedge Fund
$3.3M· 0.9% of total· 0.0% port· 26K sh· $-13.4M QoQ· Q2 2026
Squarepoint Ops LLCAdded
Hedge Fund
$2.7M· 0.7% of total· 0.0% port· 21K sh· QoQ· Q2 2026
Fisher Asset Management, LLCReduced
Institutional Manager
$2.5M· 0.7% of total· 0.0% port· 20K sh· $-331K QoQ· Q2 2026
MARSHALL WACE, LLPAdded
Hedge Fund
$1.4M· 0.4% of total· 0.0% port· 11K sh· +$807K QoQ· Q2 2026
Verition Fund Management LLCReduced
Hedge Fund
$1.1M· 0.3% of total· 0.0% port· 9K sh· $-330K QoQ· Q2 2026
Brevan Howard Capital Management LPReduced
Hedge Fund
$297K· 0.1% of total· 0.0% port· 2K sh· $-218K QoQ· Q2 2026
Ancora Advisors, LLCReduced
Hedge Fund
$2K· 0.0% of total· 0.0% port· 16 sh· $-12K QoQ· Q2 2026
Fulcrum Asset Management LLPAdded
Hedge Fund
$752· 0.0% of total· 0.0% port· 6 sh· QoQ· Q2 2026
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