Security record · archived quarter
INSP
Inspire Medical Systems, Inc. · Healthcare · Medical - Devices
99Tracked holders
-1Δ holders
27.80MShares held
$1.24BReported value
+14New positions
−14Exits
Momentum inputs (comparable managers):
holder breadth -1.0% ·
share flow +22.8% ·
net new positions 0.0%
— formula
Concentrated accumulation — rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 99 | -1 | 27.80M | $1.24B | +14 | −14 |
| Q1 2026 | 102 | -7 | 22.50M | $1.16B | +11 | −19 |
| Q4 2025 | 110 | 0 | 24.43M | $2.25B | +3 | −2 |
| Q3 2025 | 20 | +2 | 13.81M | $1.03B | +2 | −1 |
| Q2 2025 | 16 | -1 | 12.85M | $1.67B | +1 | −2 |
| Q1 2025 | 14 | -1 | 3.76M | $597.97M | — | −1 |
| Q4 2024 | 15 | -2 | 4.14M | $766.98M | — | −2 |
| Q3 2024 | 16 | +1 | 4.78M | $1.01B | +1 | — |
| Q2 2024 | 15 | — | 5.10M | $682.73M | — | — |
Who holds it · Q2 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 4.74M | +33.5% | $211.34M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 4.74M | +33.5% | $211.34M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 4.74M | +33.5% | $211.34M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 4.74M | +33.5% | $211.34M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 4.74M | +33.5% | $211.34M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 4.74M | +33.5% | $211.34M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 4.74M | +33.5% | $211.34M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 4.74M | +33.5% | $211.34M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 4.74M | +33.5% | $211.34M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 4.74M | +33.5% | $211.34M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 4.74M | +33.5% | $211.34M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 4.74M | +33.5% | $211.34M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 4.74M | +33.5% | $211.34M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 4.74M | +33.5% | $211.34M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 4.74M | +33.5% | $211.34M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 16 | BlackRock ✦ (passive) | 4.74M | +33.5% | $211.34M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 17 | Wellington Management ✦ | 2.38M | -6.0% | $106.29M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 18 | Wellington Management ✦ | 2.38M | -6.0% | $106.29M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 19 | Wellington Management ✦ | 2.38M | -6.0% | $106.29M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 20 | Wellington Management ✦ | 2.38M | -6.0% | $106.29M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 21 | AQR Capital Management ✦ | 1.86M | +501.6% | $80.94M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 22 | AQR Capital Management ✦ | 1.86M | +501.6% | $80.94M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 23 | AQR Capital Management ✦ | 1.86M | +501.6% | $80.94M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 24 | AQR Capital Management ✦ | 1.86M | +501.6% | $80.94M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 25 | AQR Capital Management ✦ | 1.86M | +501.6% | $80.94M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 26 | Assenagon Asset Management S.A. | 1.73M | +232.3% | $77.12M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 27 | Assenagon Asset Management S.A. | 1.73M | +232.3% | $77.12M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 28 | UBS Group AG | 1.65M | +157.5% | $73.41M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 29 | UBS Group AG | 1.65M | +157.5% | $73.41M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 30 | UBS Group AG | 1.65M | +157.5% | $73.41M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 31 | D. E. Shaw & Co. ✦ | 1.47M | +23.7% | $65.60M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 32 | D. E. Shaw & Co. ✦ | 1.47M | +23.7% | $65.60M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 33 | Nomura Holdings Inc | 1.37M | New | $61.09M | 0.3% | New | 1 | SEC ↗ |
| 34 | Vanguard Capital Management Llc | 1.27M | +0.3% | $56.70M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 35 | State Street Global Advisors ✦ (passive) | 1.21M | +26.2% | $53.82M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 36 | Morgan Stanley ✦ | 791.22K | -45.5% | $35.30M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 37 | Morgan Stanley ✦ | 791.22K | -45.5% | $35.30M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 38 | Morgan Stanley ✦ | 791.22K | -45.5% | $35.30M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 39 | Morgan Stanley ✦ | 791.22K | -45.5% | $35.30M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 40 | Morgan Stanley ✦ | 791.22K | -45.5% | $35.30M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 41 | Morgan Stanley ✦ | 791.22K | -45.5% | $35.30M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 42 | Morgan Stanley ✦ | 791.22K | -45.5% | $35.30M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 43 | Morgan Stanley ✦ | 791.22K | -45.5% | $35.30M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 44 | Morgan Stanley ✦ | 791.22K | -45.5% | $35.30M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 45 | Artisan Partners Limited Partnership | 732.32K | -6.2% | $32.67M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 46 | Geode Capital Management ✦ (passive) | 700.84K | +37.4% | $31.27M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 47 | Geode Capital Management ✦ (passive) | 700.84K | +37.4% | $31.27M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 48 | Goldman Sachs Group ✦ | 645.86K | -2.7% | $28.81M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 49 | Goldman Sachs Group ✦ | 645.86K | -2.7% | $28.81M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 50 | UBS AM, a distinct business unit of… | 546.02K | +21.7% | $24.36M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 51 | UBS AM, a distinct business unit of… | 546.02K | +21.7% | $24.36M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 52 | UBS AM, a distinct business unit of… | 546.02K | +21.7% | $24.36M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 53 | UBS AM, a distinct business unit of… | 546.02K | +21.7% | $24.36M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 54 | UBS AM, a distinct business unit of… | 546.02K | +21.7% | $24.36M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 55 | UBS AM, a distinct business unit of… | 546.02K | +21.7% | $24.36M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 56 | UBS AM, a distinct business unit of… | 546.02K | +21.7% | $24.36M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 57 | UBS AM, a distinct business unit of… | 546.02K | +21.7% | $24.36M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 58 | Citadel Advisors ✦ | 506.33K | +28.5% | $22.59M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 59 | Citadel Advisors ✦ | 506.33K | +28.5% | $22.59M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 60 | Bnp Paribas Financial Markets | 428.07K | +33.9% | $19.10M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 61 | Renaissance Technologies ✦ | 426.00K | -9.4% | $19.00M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 62 | Aberdeen Group plc | 358.97K | -24.8% | $16.01M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 63 | Northern Trust Corp | 334.04K | +69.5% | $14.90M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 64 | Northern Trust Corp | 334.04K | +69.5% | $14.90M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 65 | Northern Trust Corp | 334.04K | +69.5% | $14.90M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 66 | Northern Trust Corp | 334.04K | +69.5% | $14.90M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 67 | Northern Trust Corp | 334.04K | +69.5% | $14.90M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 68 | Northern Trust Corp | 334.04K | +69.5% | $14.90M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 69 | Northern Trust Corp | 334.04K | +69.5% | $14.90M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 70 | Barclays Plc | 307.27K | +354.3% | $13.71M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 71 | Barclays Plc | 307.27K | +354.3% | $13.71M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 72 | Barclays Plc | 307.27K | +354.3% | $13.71M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 73 | Federated Hermes, Inc. | 272.13K | +298944.0% | $12.14M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 74 | Fidelity (FMR) ✦ | 267.87K | +605.2% | $11.95M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 75 | Fidelity (FMR) ✦ | 267.87K | +605.2% | $11.95M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 76 | Fidelity (FMR) ✦ | 267.87K | +605.2% | $11.95M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 77 | Bank Of America Corp /De/ | 248.80K | +33.7% | $11.10M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 78 | Bank Of America Corp /De/ | 248.80K | +33.7% | $11.10M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 79 | Bank Of America Corp /De/ | 248.80K | +33.7% | $11.10M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 80 | Bank Of America Corp /De/ | 248.80K | +33.7% | $11.10M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 81 | Charles Schwab Investment… | 210.09K | +14.6% | $9.37M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 82 | Norges Bank ✦ (passive) | 198.27K | New | $8.84M | 0.0% | New | 1 | SEC ↗ |
| 83 | Deutsche Bank Ag\ | 176.20K | -65.7% | $7.86M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 84 | Deutsche Bank Ag\ | 176.20K | -65.7% | $7.86M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 85 | Deutsche Bank Ag\ | 176.20K | -65.7% | $7.86M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 86 | Tudor Investment Corp Et Al | 169.09K | +1.1% | $7.54M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 87 | T. Rowe Price ✦ | 167.73K | -7.5% | $7.48M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 88 | T. Rowe Price ✦ | 167.73K | -7.5% | $7.48M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 89 | Canada Pension Plan Investment Board | 165.10K | +0.6% | $7.37M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 90 | Bank of New York Mellon Corp | 148.63K | -0.1% | $6.63M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 91 | Bank of New York Mellon Corp | 148.63K | -0.1% | $6.63M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 92 | Bank of New York Mellon Corp | 148.63K | -0.1% | $6.63M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 93 | Bank of New York Mellon Corp | 148.63K | -0.1% | $6.63M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 94 | Bank of New York Mellon Corp | 148.63K | -0.1% | $6.63M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 95 | Bank of New York Mellon Corp | 148.63K | -0.1% | $6.63M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 96 | Bank Of Nova Scotia | 144.96K | +141.6% | $6.47M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 97 | Quantinno Capital Management LP | 137.62K | +418.2% | $6.14M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 98 | Principal Financial Group Inc | 128.18K | +1.1% | $5.72M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 99 | Principal Financial Group Inc | 128.18K | +1.1% | $5.72M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 100 | Dimensional Fund Advisors Lp | 115.91K | -50.6% | $5.17M | 0.0% | ▼ Trim | 3 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Nomura Holdings Inc | $61.09M | 0.3% |
| Norges Bank | $8.84M | 0.0% |
Exited
| Bamco Inc /Ny/ | $15.40M | was 0.0% |
| Bridgewater Associates | $8.95M | was 0.0% |
| Balyasny Asset Management L.P. | $7.83M | was 0.0% |
| Two Sigma Investments | $4.39M | was 0.0% |
| Nomura Asset Management… | $3.47M | was 0.0% |
| Qube Research & Technologies… | $3.41M | was 0.0% |
| Man Group plc | $2.81M | was 0.0% |
| Envestnet Asset Management Inc | $1.37M | was 0.0% |
| IMC-Chicago, LLC | $594,098 | was 0.0% |
| DZ BANK AG Deutsche Zentral… | $440,905 | was 0.0% |
| Tidal Investments LLC | $285,805 | was 0.0% |
| Blair William & Co/Il | $267,649 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 298 holders, 34.81M shares, $1.75B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
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)
Aug 07
Kelly Jason P
Officer · 963 sh · $57,347
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology
Aug 13
SC 13G/A — Soleus Capital Master Fund, L.P.
Aug 12
SC 13G — AQR CAPITAL MANAGEMENT LLC
Jul 31
SC 13G/A — VANGUARD PORTFOLIO MANAGEMENT LLC
Jul 28
SC 13G/A — BlackRock, Inc.
Jul 02
SC 13G — D. E. SHAW & CO, L.P.
May 27
SC 13G — Soleus Capital Master Fund, L.P.
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q2 2026 ·
Methodology ·
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