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ResMed
RMD

885 hedge funds and large institutions have $21.1B invested in ResMed in 2025 Q1 according to their latest regulatory filings, with 107 funds opening new positions, 350 increasing their positions, 291 reducing their positions, and 82 closing their positions.

New
Increased
Maintained
Reduced
Closed

30% more first-time investments, than exits

New positions opened: 107 | Existing positions closed: 82

20% more repeat investments, than reductions

Existing positions increased: 350 | Existing positions reduced: 291

2.56% more ownership

Funds ownership: 61.7% → 64.26% (+2.6%)

2% more funds holding

Funds holding: 871 → 885 (+14)

2% more capital invested

Capital invested by funds: $20.7B → $21.1B (+$402M)

0% more funds holding in top 10

Funds holding in top 10: 8 → 8 (0)

65% less call options, than puts

Call options by funds: $118M | Put options by funds: $340M

Holders
885
Holders Change
+14
Holders Change %
+1.61%
% of All Funds
11.87%
Holding in Top 10
8
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.11%
New
107
Increased
350
Reduced
291
Closed
82
Calls
$118M
Puts
$340M
Net Calls
-$222M
Net Calls Change
+$108M

Top Buyers

Rank Fund Capital Flow
1
Marshall Wace
Marshall Wace
United Kingdom
+$128M
2
Barclays
Barclays
United Kingdom
+$92.5M
3
Allianz Asset Management
Allianz Asset Management
Germany
+$81.8M
4
Swedbank
Swedbank
Sweden
+$75.7M
5
Vanguard Group
Vanguard Group
Pennsylvania
+$74.8M

Top Sellers

Rank Fund Capital Flow
1
ZIG
Zurich Insurance Group
Switzerland
-$76.8M
2
Bank of New York Mellon
Bank of New York Mellon
New York
-$53.2M
3
AQR Capital Management
AQR Capital Management
Connecticut
-$52M
4
Arrowstreet Capital
Arrowstreet Capital
Massachusetts
-$49.4M
5
Renaissance Technologies
Renaissance Technologies
New York
-$45.2M
Name Holding Trade Value Shares
Change 		Change in
Stake
BWL
876
Bogart Wealth LLC
Virginia
$448 +$467 +2 New
CIAS
877
CBIZ Investment Advisory Services
Ohio
$448 +$467 +2 New
Q1WB
878
Quest 10 Wealth Builders
Virginia
$407 +$467 +2 New
AA
879
Ancora Advisors
Ohio
$224 – – –
BCWM
880
Bartlett & Co Wealth Management
Ohio
$224 +$233 +1 New
HIA
881
HFM Investment Advisors
New Jersey
$224 +$233 +1 New
SFGP
882
Stonebridge Financial Group (Pennsylvania)
Pennsylvania
$224 +$233 +1 New
CAM
883
Chesapeake Asset Management
New York
$223 – – –
Arrowstreet Capital
884
Arrowstreet Capital
Massachusetts
– -$49.4M -216,127 Closed
ACM
885
Altium Capital Management
New York
– -$5.95M -26,000 Closed
BCM
886
Bayesian Capital Management
New York
– -$5.05M -22,100 Closed
SO
887
STRS Ohio
Ohio
– -$4.92M -21,500 Closed
EA
888
Ellsworth Advisors
Ohio
– -$4.6M -20,130 Closed
JG
889
Jain Global
New York
– -$4.08M -17,841 Closed
FHB
890
First Hawaiian Bank
Hawaii
– -$3.62M -15,848 Closed
AFA
891
Abacus FCF Advisors
Florida
– -$2.83M -12,362 Closed
FAM
892
Fred Alger Management
New York
– -$2.64M -11,537 Closed
JF
893
Jump Financial
Illinois
– -$1.82M -7,978 Closed
Tudor Investment Corp
894
Tudor Investment Corp
Connecticut
– -$1.77M -7,724 Closed
Qube Research & Technologies (QRT)
895
Qube Research & Technologies (QRT)
United Kingdom
– -$1.71M -7,324 Closed
BHCM
896
Brevan Howard Capital Management
Jersey
– -$1.54M -6,726 Closed
HSA
897
Hussman Strategic Advisors
Maryland
– -$1.44M -6,300 Closed
HH
898
Hilltop Holdings
Texas
– -$1.38M -6,035 Closed
IIC
899
Integrated Investment Consultants
Michigan
– -$1.38M -6,025 Closed
T
900
TOBAM
France
– -$1.19M -5,181 Closed
34 35
36
37 38

RMD Hedge Fund Activity: Q1 2025 in Review

885 of the 7,458 institutional investors tracked by Wall St. Rank reported a position in ResMed (RMD) for Q1 2025, worth a combined $21.1B — up 1.9% from $20.7B a quarter earlier.

Buyers outnumbered sellers: 107 funds opened new RMD positions and 82 closed out — a net gain of 25 holders — while 350 added to existing stakes and 291 trimmed.

The largest buyer was Marshall Wace, adding an estimated $128M. The largest seller was Zurich Insurance Group, cutting an estimated $76.8M.

  • 885 institutional investors held ResMed (RMD) as of Q1 2025, up from 871 in Q4 2024.
  • Funds reported $21.1B of ResMed stock for Q1 2025, up 1.9% quarter-over-quarter.
  • 107 funds opened new ResMed positions in Q1 2025 and 82 closed out, a net change of +25 holders.
  • The largest ResMed buyer in Q1 2025 was Marshall Wace, an estimated $128M added.
  • The largest ResMed seller in Q1 2025 was Zurich Insurance Group, an estimated $76.8M sold.

Based on aggregated 13F filings for Q1 2025.