RESMED INC (RMD): Ownership & Insider Activity

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

Reported Holders
26
13F filers
Aggregate Value
$806.6M
Across holders
Last Price
$232.45
2026-08-24
Sector
Health Care
GICS
Quarterly fund activity17 increased9 reduced4 exited
Full exits: Verition Fund Management LLC, Grantham, Mayo, Van Otterloo & Co. LLC, TUDOR INVESTMENT CORP ET AL, Ancora Advisors, LLC
Institutional Holders of RMD
26 holders
ManagerTypeSharesMarket Value% of Total% of PortfolioActionQoQ ChangeQuarter
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
Hedge Fund1.13M$220.2M27.3%0.1%Added+$132.4MQ2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund911K$177.1M22.0%0.1%Added+$177.1MQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund508K$99.1M12.3%0.0%Added+$86.5MQ2 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund411K$80.1M9.9%0.1%Added+$19.2MQ2 2026
VOLORIDGE INVESTMENT MANAGEMENT, LLC
CIK 0001556921
Hedge Fund271K$52.8M6.5%0.2%Reduced$-32.3MQ2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund205K$39.9M4.9%0.0%Added+$12.2MQ2 2026
PineBridge Investments, L.P.
CIK 0001531721
Hedge Fund139K$38.1M4.7%0.3%Reduced$-12.2MQ3 2025
Man Group plc
CIK 0001637460
Hedge Fund126K$24.6M3.1%0.0%Added+$9.8MQ2 2026
Walleye Capital LLC
CIK 0001758720
Hedge Fund85K$16.6M2.1%0.1%Added+$15.5MQ2 2026
Gotham Asset Management, LLC
CIK 0001510387
Hedge Fund83K$16.1M2.0%0.0%Reduced$-2.7MQ2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPAdded
Hedge Fund
$220.2M· 27.3% of total· 0.1% port· 1.13M sh· +$132.4M QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$177.1M· 22.0% of total· 0.1% port· 911K sh· +$177.1M QoQ· Q2 2026
CITADEL ADVISORS LLCAdded
Hedge Fund
$99.1M· 12.3% of total· 0.0% port· 508K sh· +$86.5M QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$80.1M· 9.9% of total· 0.1% port· 411K sh· +$19.2M QoQ· Q2 2026
VOLORIDGE INVESTMENT MANAGEMENT, LLCReduced
Hedge Fund
$52.8M· 6.5% of total· 0.2% port· 271K sh· $-32.3M QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCAdded
Hedge Fund
$39.9M· 4.9% of total· 0.0% port· 205K sh· +$12.2M QoQ· Q2 2026
PineBridge Investments, L.P.Reduced
Hedge Fund
$38.1M· 4.7% of total· 0.3% port· 139K sh· $-12.2M QoQ· Q3 2025
Man Group plcAdded
Hedge Fund
$24.6M· 3.1% of total· 0.0% port· 126K sh· +$9.8M QoQ· Q2 2026
Walleye Capital LLCAdded
Hedge Fund
$16.6M· 2.1% of total· 0.1% port· 85K sh· +$15.5M QoQ· Q2 2026
Gotham Asset Management, LLCReduced
Hedge Fund
$16.1M· 2.0% of total· 0.0% port· 83K sh· $-2.7M QoQ· Q2 2026
Bridgewater Associates, LPAdded
Hedge Fund
$13.1M· 1.6% of total· 0.1% port· 67K sh· +$5.5M QoQ· Q2 2026
Fisher Asset Management, LLCReduced
Institutional Manager
$10.2M· 1.3% of total· 0.0% port· 53K sh· $-311K QoQ· Q2 2026
Squarepoint Ops LLCAdded
Hedge Fund
$4.9M· 0.6% of total· 0.0% port· 25K sh· +$3.5M QoQ· Q2 2026
Brevan Howard Capital Management LPAdded
Hedge Fund
$4.5M· 0.6% of total· 0.0% port· 23K sh· +$4.1M QoQ· Q2 2026
Woodline Partners LPAdded
Hedge Fund
$1.6M· 0.2% of total· 0.0% port· 8K sh· +$507K QoQ· Q2 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.Added
Hedge Fund
$1.3M· 0.2% of total· 0.0% port· 7K sh· QoQ· Q2 2026
MARSHALL WACE, LLPReduced
Hedge Fund
$1.3M· 0.2% of total· 0.0% port· 7K sh· $-9.7M QoQ· Q2 2026
SHAW D E & CO INCReduced
Hedge Fund
$1.2M· 0.1% of total· 0.0% port· 6K sh· $-416K QoQ· Q2 2026
Rockefeller Capital Management L.P.Reduced
Hedge Fund
$1.0M· 0.1% of total· 0.0% port· 5K sh· $-987K QoQ· Q2 2026
Schonfeld Strategic Advisors LLCReduced
Hedge Fund
$695K· 0.1% of total· 0.0% port· 4K sh· $-2.7M QoQ· Q2 2026
BALYASNY ASSET MANAGEMENT LLCAdded
Hedge Fund
$641K· 0.1% of total· 0.0% port· 3K sh· +$218K QoQ· Q2 2026
TCW GROUP INCAdded
Hedge Fund
$475K· 0.1% of total· 0.0% port· 2K sh· +$2K QoQ· Q2 2026
CAPSTONE INVESTMENT ADVISORS, LLCReduced
Hedge Fund
$377K· 0.0% of total· 0.0% port· 2K sh· $-122K QoQ· Q2 2026
RENAISSANCE TECHNOLOGIES LLCAdded
Hedge Fund
$316K· 0.0% of total· 0.0% port· 2K sh· QoQ· Q2 2026
CAXTON ASSOCIATES LLPAdded
Hedge Fund
$300K· 0.0% of total· 0.0% port· 2K sh· QoQ· Q2 2026
Fulcrum Asset Management LLPAdded
Hedge Fund
$10K· 0.0% of total· 0.0% port· 50 sh· QoQ· Q2 2026
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