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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
TPW
951
Talon Private Wealth
Florida
– -$46K -201 Closed
TLCM
952
Twin Lakes Capital Management
California
– -$45.7K -200 Closed
CAS
953
Coppell Advisory Solutions
Texas
– -$42.5K -185 Closed
LJHT
954
Laurie J. Hall Trustee
– -$37K -160 Closed
Optiver Holding
955
Optiver Holding
Netherlands
– -$33.2K -145 Closed
AWM
956
Avior Wealth Management
Nebraska
– -$19.2K -84 Closed
LFA
957
LGT Financial Advisors
Texas
– -$11.4K -50 Closed
OC
958
Oarsman Capital
Wisconsin
– -$9.15K -40 Closed
CLOS
959
Compagnie Lombard Odier SCmA
Switzerland
– -$3.66K -16 Closed
MA
960
MCF Advisors
Kentucky
– -$1.83K -8 Closed
NMG
961
New Millennium Group
Utah
– -$1.37K -6 Closed
HCP
962
Hexagon Capital Partners
Arkansas
– -$1.14K -5 Closed
EBA
963
Eagle Bay Advisors
New York
– -$915 -4 Closed
T
964
Transce3nd
Texas
– -$693 -3 Closed
JFG
965
JDM Financial Group
Texas
– -$457 -2 Closed
OAJ
966
Ogorek Anthony Joseph
New York
– +$467 +2 New
35 36 37 38
39

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.