RMD
ResMed Inc. · Healthcare · Medical - Instruments & Supplies
Momentum inputs (comparable managers):
holder breadth +13.3% ·
share flow +17.4% ·
net new positions +11.8%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2024
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 159 | +2 | 76.44M | $14.90B | +7 | −4 |
| Q1 2026 | 159 | +3 | 74.11M | $16.62B | +5 | −3 |
| Q4 2025 | 155 | -2 | 83.70M | $20.16B | +1 | −2 |
| Q3 2025 | 21 | 0 | 49.43M | $13.53B | — | −1 |
| Q2 2025 | 19 | +1 | 44.83M | $11.56B | +1 | — |
| Q1 2025 | 15 | -1 | 12.96M | $2.90B | — | −1 |
| Q4 2024 | 16 | -2 | 12.69M | $2.90B | — | −2 |
| Q3 2024 | 17 | +2 | 6.96M | $1.70B | +2 | — |
| Q2 2024 | 15 | — | 5.93M | $1.13B | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Geode Capital Management ✦ (passive) | 3.86M | +10.9% | $939.11M | 0.1% | ▲ Add | 2 | SEC ↗ ×2 |
| 2 | Norges Bank ✦ (passive) | 479.43K | +11.0% | $117.04M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 3 | Coatue Management ✦ | 473.18K | New | $115.51M | 0.4% | New | 1 | SEC ↗ |
| 4 | Marshall Wace ✦ | 403.47K | -0.1% | $98.50M | 0.1% | ▼ Trim | 2 | SEC ↗ ×2 |
| 5 | Millennium Management ✦ | 389.20K | -10.8% | $95.01M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 6 | T. Rowe Price ✦ | 308.56K | -25.4% | $75.33M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 7 | AQR Capital Management ✦ | 267.59K | +54.9% | $65.32M | 0.1% | ▲ Add | 2 | SEC ↗ ×4 |
| 8 | Citadel Advisors ✦ | 229.44K | +1141.2% | $56.01M | 0.1% | ▲ Add | 2 | SEC ↗ ×2 |
| 9 | Arrowstreet Capital ✦ | 198.18K | +795.0% | $48.38M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 10 | Bridgewater Associates ✦ | 93.90K | -43.5% | $22.92M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 11 | Renaissance Technologies ✦ | 84.00K | -61.8% | $20.51M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 12 | Wellington Management ✦ | 59.93K | +35.7% | $14.63M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 13 | Gotham Asset Management ✦ | 46.44K | +5.1% | $11.34M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 14 | Fisher Asset Management ✦ | 26.73K | +6.2% | $6.52M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 15 | Baillie Gifford ✦ | 15.50K | -70.5% | $3.78M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 16 | D. E. Shaw & Co. ✦ | 15.26K | +593.8% | $3.73M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 17 | Adage Capital Partners ✦ | 11.44K | New | $2.79M | 0.0% | New | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Coatue Management | $115.51M | 0.4% |
| Adage Capital Partners | $2.79M | 0.0% |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 932 holders, 96.37M shares, $21.06B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Officer, Director · 4.99K sh · $1.13M
Officer, Director · 4.99K sh · $1.11M
Director · 970 sh · $227,688
Officer, Director · 4.99K sh · $1.03M
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology