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.
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
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Marshall Wace
London,
United Kingdom
|
+$128M |
| 2 |
Barclays
London,
United Kingdom
|
+$92.5M |
| 3 |
Allianz Asset Management
Munich,
Germany
|
+$81.8M |
| 4 |
Swedbank
Stockholm,
Sweden
|
+$75.7M |
| 5 |
Vanguard Group
Malvern,
Pennsylvania
|
+$74.8M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
ZIG
Zurich Insurance Group
Zurich,
Switzerland
|
-$76.8M |
| 2 |
Bank of New York Mellon
New York
|
-$53.2M |
| 3 |
AQR Capital Management
Greenwich,
Connecticut
|
-$52M |
| 4 |
Arrowstreet Capital
Boston,
Massachusetts
|
-$49.4M |
| 5 |
Renaissance Technologies
New York
|
-$45.2M |
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.