Security record · archived quarter
INSP
Inspire Medical Systems, Inc. · Healthcare · Medical - Devices
102Tracked holders
-7Δ holders
22.50MShares held
$1.16BReported value
+11New positions
−19Exits
Momentum inputs (comparable managers):
holder breadth -6.4% ·
share flow -0.5% ·
net new positions -7.8%
— formula
Broad distribution — falling shares and fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 98 | -1 | 27.79M | $1.24B | +14 | −15 |
| 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 · Q1 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 3.55M | 0.0% | $183.09M | 0.0% | ▼ Trim | 4 | SEC ↗ ×19 |
| 2 | Wellington Management ✦ | 2.54M | +14.7% | $130.80M | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 3 | Morgan Stanley ✦ | 1.45M | +15.2% | $74.82M | 0.0% | ▲ Add | 3 | SEC ↗ ×10 |
| 4 | Vanguard Capital Management Llc | 1.27M | — | $65.34M | 0.0% | n/c | 1 | SEC ↗ |
| 5 | D. E. Shaw & Co. ✦ | 1.19M | -1.9% | $61.30M | 0.1% | ▼ Trim | 8 | SEC ↗ ×2 |
| 6 | State Street Global Advisors ✦ (passive) | 956.01K | +4.1% | $49.31M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 7 | Artisan Partners Limited Partnership | 780.58K | -0.7% | $40.26M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 8 | Goldman Sachs Group ✦ | 664.00K | +133.1% | $34.25M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 9 | UBS Group AG | 638.93K | +55.3% | $32.96M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 10 | Assenagon Asset Management S.A. | 520.17K | +96.3% | $26.83M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 11 | Deutsche Bank Ag\ | 513.17K | -0.7% | $26.47M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 12 | Geode Capital Management ✦ (passive) | 510.23K | +3.8% | $26.32M | 0.0% | ▲ Add | 8 | SEC ↗ ×2 |
| 13 | Aberdeen Group plc | 477.48K | +3.6% | $24.63M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 14 | Renaissance Technologies ✦ | 469.97K | +14.4% | $24.24M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 15 | UBS AM, a distinct business unit of… | 448.79K | -3.1% | $23.15M | 0.0% | ▼ Trim | 2 | SEC ↗ ×10 |
| 16 | Citadel Advisors ✦ | 394.08K | -22.9% | $20.33M | 0.0% | ▼ Trim | 8 | SEC ↗ ×2 |
| 17 | Millennium Management ✦ | 386.15K | +91.0% | $19.92M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 18 | Bnp Paribas Financial Markets | 319.76K | -29.7% | $16.49M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 19 | AQR Capital Management ✦ | 308.66K | +1041.5% | $15.92M | 0.0% | ▲ Add | 8 | SEC ↗ ×6 |
| 20 | Bamco Inc /Ny/ | 298.47K | -11.6% | $15.40M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 21 | Amundi | 256.83K | -29.6% | $13.25M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 22 | Royal Bank Of Canada | 252.97K | +2203.1% | $13.05M | 0.0% | ▲ Add | 2 | SEC ↗ ×4 |
| 23 | Dimensional Fund Advisors Lp | 234.67K | -31.3% | $12.10M | 0.0% | ▼ Trim | 2 | SEC ↗ ×5 |
| 24 | Susquehanna International Group, Llp | 210.57K | +334.2% | $10.86M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 25 | Northern Trust Corp | 197.03K | -0.2% | $10.16M | 0.0% | ▼ Trim | 2 | SEC ↗ ×6 |
| 26 | Bank Of America Corp /De/ | 186.07K | -11.4% | $9.60M | 0.0% | ▼ Trim | 2 | SEC ↗ ×5 |
| 27 | Charles Schwab Investment… | 183.35K | -5.6% | $9.46M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 28 | Cerity Partners LLC | 181.43K | New | $9.36M | 0.0% | New | 1 | SEC ↗ ×3 |
| 29 | T. Rowe Price ✦ | 181.31K | -41.2% | $9.35M | 0.0% | ▼ Trim | 8 | SEC ↗ ×2 |
| 30 | Bridgewater Associates ✦ | 173.53K | +141.9% | $8.95M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 31 | Tudor Investment Corp Et Al | 167.22K | +48.1% | $8.63M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 32 | Canada Pension Plan Investment Board | 164.10K | +55.5% | $8.46M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 33 | Balyasny Asset Management L.P. | 151.86K | -18.9% | $7.83M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 34 | Bank of New York Mellon Corp | 148.76K | -31.1% | $7.67M | 0.0% | ▼ Trim | 2 | SEC ↗ ×13 |
| 35 | Ameriprise Financial Inc | 143.45K | +57.2% | $7.40M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 36 | Principal Financial Group Inc | 126.79K | +1.0% | $6.54M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 37 | Invesco Ltd. | 103.97K | -60.2% | $5.36M | 0.0% | ▼ Trim | 2 | SEC ↗ ×5 |
| 38 | Gotham Asset Management ✦ | 87.73K | +80.7% | $4.53M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 39 | Nuveen, LLC | 85.17K | -46.6% | $4.39M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 40 | Two Sigma Investments ✦ | 85.10K | +43.0% | $4.39M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 41 | First Trust Advisors Lp | 71.66K | +2232.7% | $3.70M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 42 | New York State Common Retirement… | 70.89K | +3.1% | $3.66M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 43 | Rhumbline Advisers | 67.91K | +3.0% | $3.50M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 44 | Barclays Plc | 67.64K | -21.0% | $3.49M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 45 | Nomura Asset Management… | 67.28K | +28.8% | $3.47M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 46 | Squarepoint Ops LLC | 66.81K | +879.4% | $3.45M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 47 | Qube Research & Technologies Ltd | 66.18K | New | $3.41M | 0.0% | New | 1 | SEC ↗ |
| 48 | Victory Capital Management Inc | 64.26K | +467.6% | $3.31M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 49 | Legal & General Group Plc | 61.58K | -11.7% | $3.18M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 50 | Bank Of Nova Scotia | 60.00K | +49.8% | $3.09M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 51 | Swiss National Bank | 55.50K | 0.0% | $2.86M | 0.0% | Held | 2 | SEC ↗ |
| 52 | Man Group plc | 54.49K | +31.5% | $2.81M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 53 | JPMorgan Chase ✦ | 53.62K | +18.1% | $2.70M | 0.0% | ▲ Add | 3 | SEC ↗ ×6 |
| 54 | Franklin Resources Inc | 43.23K | -81.3% | $2.23M | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 55 | Sei Investments Co | 42.10K | -17.4% | $2.17M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 56 | Nordea Investment Management Ab | 40.42K | +254.9% | $2.06M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 57 | Fidelity (FMR) ✦ | 37.98K | -72.3% | $1.96M | 0.0% | ▼ Trim | 4 | SEC ↗ ×2 |
| 58 | California State Teachers… | 34.47K | +31.6% | $1.78M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 59 | Citigroup Inc | 31.61K | -8.8% | $1.63M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 60 | State Board Of Administration Of… | 27.52K | -8.2% | $1.42M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 61 | Alliancebernstein L.P. | 15.16K | -50.5% | $1.40M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 62 | Envestnet Asset Management Inc | 26.57K | +61.5% | $1.37M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 63 | Quantinno Capital Management LP | 26.55K | +103.5% | $1.37M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 64 | Voya Investment Management Llc | 24.87K | -23.6% | $1.28M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 65 | Prudential Financial Inc | 23.71K | +0.2% | $1.22M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 66 | State Of Wisconsin Investment Board | 21.02K | -33.2% | $1.08M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 67 | Manufacturers Life Insurance… | 21.00K | -4.3% | $1.08M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 68 | Hsbc Holdings Plc | 19.73K | -77.2% | $996,760 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 69 | Td Asset Management Inc | 19.29K | -18.9% | $994,978 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 70 | Lazard Asset Management Llc | 18.94K | -57.9% | $976,822 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 71 | Janus Henderson Group Plc | 13.45K | -97.6% | $693,668 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 72 | Russell Investments Group, Ltd. | 12.61K | +12.8% | $650,291 | 0.0% | ▲ Add | 2 | SEC ↗ ×7 |
| 73 | Zurcher Kantonalbank (Zurich… | 11.60K | +25.2% | $598,534 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 74 | IMC-Chicago, LLC | 11.52K | New | $594,098 | 0.0% | New | 1 | SEC ↗ |
| 75 | LPL Financial LLC | 11.51K | -17.8% | $593,634 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 76 | Creative Planning | 11.30K | +38.3% | $583,060 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 77 | Universal- Beteiligungs- und… | 10.70K | -72.1% | $552,061 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 78 | American Century Companies Inc | 10.68K | New | $550,978 | 0.0% | New | 1 | SEC ↗ |
| 79 | Truist Financial Corp | 10.36K | New | $534,369 | 0.0% | New | 1 | SEC ↗ ×2 |
| 80 | Osaic Holdings, Inc. | 9.71K | -10.7% | $501,050 | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 81 | DZ BANK AG Deutsche Zentral… | 8.55K | New | $440,905 | 0.0% | New | 1 | SEC ↗ |
| 82 | Aviva Plc | 7.46K | New | $384,787 | 0.0% | New | 1 | SEC ↗ |
| 83 | Cwm, Llc | 6.97K | +1867.8% | $359,306 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 84 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 6.74K | -28.4% | $347,804 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 85 | Fifth Third Bancorp | 6.44K | +1794.4% | $332,227 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 86 | Mercer Global Advisors Inc /Adv | 5.98K | New | $308,294 | 0.0% | New | 1 | SEC ↗ |
| 87 | Tidal Investments LLC | 5.54K | New | $285,805 | 0.0% | New | 1 | SEC ↗ |
| 88 | Mitsubishi UFJ Asset Management… | 5.53K | +1.7% | $285,237 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 89 | Wells Fargo & Company/Mn | 5.31K | +12.8% | $273,864 | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 90 | Corient Private Wealth LP | 5.26K | -29.8% | $270,180 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 91 | Blair William & Co/Il | 5.19K | +9.7% | $267,649 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 92 | Pictet Asset Management Holding SA | 5.02K | +12.1% | $258,828 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 93 | Allspring Global Investments… | 3.75K | -8.2% | $200,989 | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 94 | Us Bancorp \De\ | 2.30K | -27.3% | $118,789 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 95 | Rockefeller Capital Management L.P. | 2.10K | -63.1% | $108,576 | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 96 | Jones Financial Companies Lllp | 1.78K | -49.6% | $89,031 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 97 | Ensign Peak Advisors, Inc | 1.68K | 0.0% | $86,500 | 0.0% | Held | 2 | SEC ↗ |
| 98 | Group One Trading Llc | 1.16K | -37.4% | $59,833 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 99 | Pnc Financial Services Group, Inc. | 1.01K | -50.4% | $52,044 | 0.0% | ▼ Trim | 2 | SEC ↗ ×5 |
| 100 | BNP Paribas Asset Management… | 543 | +37.5% | $28,008 | 0.0% | ▲ Add | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Cerity Partners LLC | $9.36M | 0.0% |
| Qube Research & Technologies… | $3.41M | 0.0% |
| IMC-Chicago, LLC | $594,098 | 0.0% |
| American Century Companies Inc | $550,978 | 0.0% |
| Truist Financial Corp | $534,369 | 0.0% |
| DZ BANK AG Deutsche Zentral… | $440,905 | 0.0% |
| Aviva Plc | $384,787 | 0.0% |
| Mercer Global Advisors Inc… | $308,294 | 0.0% |
| Tidal Investments LLC | $285,805 | 0.0% |
Exited
| Marshall Wace | $48.98M | was 0.0% |
| Jane Street Group, Llc | $25.57M | was 0.0% |
| Connor, Clark & Lunn… | $12.58M | was 0.0% |
| Norges Bank | $11.95M | was 0.0% |
| Hrt Financial Lp | $11.23M | was 0.0% |
| Arrowstreet Capital | $7.01M | was 0.0% |
| Credit Agricole S A | $6.24M | was 0.0% |
| Nomura Holdings Inc | $5.62M | was 0.0% |
| Raymond James Financial Inc | $2.82M | was 0.0% |
| Baird Financial Group, Inc. | $2.02M | was 0.0% |
| HighTower Advisors, LLC | $695,691 | was 0.0% |
| Cetera Investment Advisers | $518,425 | 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: Q1 2026 ·
Methodology ·
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