Security record · archived quarter
INSP
Inspire Medical Systems, Inc. · Healthcare · Medical - Devices
110Tracked holders
0Δ holders
24.43MShares held
$2.25BReported value
+3New positions
−2Exits
Momentum inputs (comparable managers): holder breadth 0.0% · share flow +6.5% · net new positions +0.9% · formula
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2025
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 2 | 0 | 654.55K | $45.37M | n/a | n/a |
| 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 | n/a | −1 |
| Q4 2024 | 15 | -2 | 4.14M | $766.98M | n/a | −2 |
| Q3 2024 | 16 | +1 | 4.78M | $1.01B | +1 | n/a |
| Q2 2024 | 15 | n/a | 5.10M | $682.73M | n/a | n/a |
Who holds it · Q4 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 3.55M | +0.1% | $327.49M | 0.0% | ▲ Add | 3 | SEC ↗ ×19 |
| 2 | The Vanguard Group ✦ (passive) | 2.95M | -1.6% | $272.37M | 0.0% | ▼ Trim | 3 | SEC ↗ ×5 |
| 3 | Wellington Management ✦ | 2.21M | New | $203.93M | 0.0% | New | 1 | SEC ↗ ×5 |
| 4 | Morgan Stanley ✦ | 1.26M | +179.6% | $116.19M | 0.0% | ▲ Add | 2 | SEC ↗ ×10 |
| 5 | D. E. Shaw & Co. ✦ | 1.21M | +237.8% | $111.80M | 0.1% | ▲ Add | 7 | SEC ↗ ×2 |
| 6 | State Street Global Advisors ✦ (passive) | 918.50K | -6.2% | $84.71M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 7 | Artisan Partners Limited Partnership | 785.74K | n/a | $72.47M | 0.1% | n/c | 1 | SEC ↗ |
| 8 | Janus Henderson Group Plc | 562.33K | n/a | $51.86M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 9 | Marshall Wace ✦ | 531.08K | +295.5% | $48.98M | 0.0% | ▲ Add | 7 | SEC ↗ ×3 |
| 10 | Deutsche Bank Ag\ | 516.82K | n/a | $47.67M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 11 | Citadel Advisors ✦ | 511.32K | -70.8% | $47.16M | 0.0% | ▼ Trim | 7 | SEC ↗ ×2 |
| 12 | Geode Capital Management ✦ (passive) | 491.75K | -2.6% | $45.36M | 0.0% | ▼ Trim | 7 | SEC ↗ ×2 |
| 13 | UBS AM, a distinct business unit of… | 463.32K | n/a | $42.73M | 0.0% | n/c | 1 | SEC ↗ ×10 |
| 14 | Aberdeen Group plc | 460.90K | n/a | $42.51M | 0.1% | n/c | 1 | SEC ↗ |
| 15 | Bnp Paribas Financial Markets | 454.81K | n/a | $41.95M | 0.0% | n/c | 1 | SEC ↗ |
| 16 | UBS Group AG | 411.33K | n/a | $37.94M | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 17 | Renaissance Technologies ✦ | 410.77K | +165.0% | $37.89M | 0.1% | ▲ Add | 7 | SEC ↗ |
| 18 | Amundi | 364.62K | n/a | $33.63M | 0.0% | n/c | 1 | SEC ↗ |
| 19 | Dimensional Fund Advisors Lp | 341.40K | n/a | $31.49M | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 20 | Bamco Inc /Ny/ | 337.49K | n/a | $31.13M | 0.1% | n/c | 1 | SEC ↗ |
| 21 | T. Rowe Price ✦ | 308.17K | +1136.2% | $28.42M | 0.0% | ▲ Add | 7 | SEC ↗ ×2 |
| 22 | Goldman Sachs Group ✦ | 284.88K | +8.2% | $26.27M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 23 | Jane Street Group, Llc | 277.20K | n/a | $25.57M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 24 | Assenagon Asset Management S.A. | 265.00K | n/a | $24.44M | 0.0% | n/c | 1 | SEC ↗ |
| 25 | Invesco Ltd. | 261.37K | n/a | $24.11M | 0.0% | n/c | 1 | SEC ↗ ×11 |
| 26 | Franklin Resources Inc | 231.44K | n/a | $21.35M | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 27 | Bank of New York Mellon Corp | 215.78K | n/a | $19.90M | 0.0% | n/c | 1 | SEC ↗ ×15 |
| 28 | Bank Of America Corp /De/ | 210.13K | n/a | $19.38M | 0.0% | n/c | 1 | SEC ↗ ×7 |
| 29 | Millennium Management ✦ | 202.14K | -43.4% | $18.64M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 30 | Northern Trust Corp | 197.46K | n/a | $18.21M | 0.0% | n/c | 1 | SEC ↗ ×6 |
| 31 | Charles Schwab Investment… | 194.16K | n/a | $17.91M | 0.0% | n/c | 1 | SEC ↗ |
| 32 | Balyasny Asset Management L.P. | 187.23K | n/a | $17.27M | 0.0% | n/c | 1 | SEC ↗ |
| 33 | Nuveen, LLC | 159.42K | n/a | $14.70M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 34 | Fidelity (FMR) ✦ | 137.31K | -81.7% | $12.66M | 0.0% | ▼ Trim | 3 | SEC ↗ ×4 |
| 35 | Connor, Clark & Lunn Investment… | 136.42K | n/a | $12.58M | 0.0% | n/c | 1 | SEC ↗ |
| 36 | Norges Bank ✦ (passive) | 129.57K | New | $11.95M | 0.0% | New | 1 | SEC ↗ |
| 37 | Principal Financial Group Inc | 125.52K | n/a | $11.58M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 38 | Hrt Financial Lp | 121.76K | n/a | $11.23M | 0.0% | n/c | 1 | SEC ↗ |
| 39 | Tudor Investment Corp Et Al | 112.87K | n/a | $10.41M | 0.1% | n/c | 1 | SEC ↗ |
| 40 | Canada Pension Plan Investment Board | 105.50K | n/a | $9.73M | 0.0% | n/c | 1 | SEC ↗ |
| 41 | Ameriprise Financial Inc | 91.28K | n/a | $8.42M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 42 | Hsbc Holdings Plc | 86.66K | n/a | $8.01M | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 43 | Barclays Plc | 85.66K | n/a | $7.90M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 44 | Arrowstreet Capital ✦ | 76.03K | New | $7.01M | 0.0% | New | 1 | SEC ↗ |
| 45 | Bridgewater Associates ✦ | 71.73K | -19.4% | $6.62M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 46 | Legal & General Group Plc | 69.76K | n/a | $6.43M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 47 | New York State Common Retirement… | 68.77K | n/a | $6.34M | 0.0% | n/c | 1 | SEC ↗ |
| 48 | Credit Agricole S A | 67.69K | n/a | $6.24M | 0.0% | n/c | 1 | SEC ↗ |
| 49 | Rhumbline Advisers | 65.89K | n/a | $6.08M | 0.0% | n/c | 1 | SEC ↗ |
| 50 | Nomura Holdings Inc | 60.95K | n/a | $5.62M | 0.0% | n/c | 1 | SEC ↗ |
| 51 | Two Sigma Investments ✦ | 59.52K | +60.2% | $5.49M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 52 | Swiss National Bank | 55.50K | n/a | $5.12M | 0.0% | n/c | 1 | SEC ↗ |
| 53 | Nomura Asset Management… | 52.25K | n/a | $4.82M | 0.0% | n/c | 1 | SEC ↗ |
| 54 | Sei Investments Co | 50.94K | n/a | $4.70M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 55 | Gotham Asset Management ✦ | 48.55K | +66.9% | $4.48M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 56 | Susquehanna International Group, Llp | 48.50K | n/a | $4.47M | 0.0% | n/c | 1 | SEC ↗ |
| 57 | JPMorgan Chase ✦ | 45.39K | -71.8% | $4.19M | 0.0% | ▼ Trim | 2 | SEC ↗ ×8 |
| 58 | Lazard Asset Management Llc | 44.98K | n/a | $4.15M | 0.0% | n/c | 1 | SEC ↗ |
| 59 | Man Group plc | 41.42K | n/a | $3.82M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 60 | Bank Of Nova Scotia | 40.04K | n/a | $3.69M | 0.0% | n/c | 1 | SEC ↗ |
| 61 | Universal- Beteiligungs- und… | 38.40K | n/a | $3.54M | 0.0% | n/c | 1 | SEC ↗ |
| 62 | Citigroup Inc | 34.67K | n/a | $3.20M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 63 | Voya Investment Management Llc | 32.55K | n/a | $3.00M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 64 | State Of Wisconsin Investment Board | 31.47K | n/a | $2.90M | 0.0% | n/c | 1 | SEC ↗ |
| 65 | Alliancebernstein L.P. | 30.64K | n/a | $2.83M | 0.0% | n/c | 1 | SEC ↗ |
| 66 | Raymond James Financial Inc | 30.62K | n/a | $2.82M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 67 | State Board Of Administration Of… | 29.99K | n/a | $2.77M | 0.0% | n/c | 1 | SEC ↗ |
| 68 | AQR Capital Management ✦ | 27.04K | -45.3% | $2.49M | 0.0% | ▼ Trim | 7 | SEC ↗ ×5 |
| 69 | California State Teachers… | 26.19K | n/a | $2.42M | 0.0% | n/c | 1 | SEC ↗ |
| 70 | Td Asset Management Inc | 23.80K | n/a | $2.20M | 0.0% | n/c | 1 | SEC ↗ |
| 71 | Prudential Financial Inc | 23.68K | n/a | $2.18M | 0.0% | n/c | 1 | SEC ↗ |
| 72 | Manufacturers Life Insurance… | 21.94K | n/a | $2.03M | 0.0% | n/c | 1 | SEC ↗ |
| 73 | Baird Financial Group, Inc. | 21.91K | n/a | $2.02M | 0.0% | n/c | 1 | SEC ↗ |
| 74 | Envestnet Asset Management Inc | 16.45K | n/a | $1.52M | 0.0% | n/c | 1 | SEC ↗ |
| 75 | LPL Financial LLC | 13.99K | n/a | $1.29M | 0.0% | n/c | 1 | SEC ↗ |
| 76 | Quantinno Capital Management LP | 13.05K | n/a | $1.20M | 0.0% | n/c | 1 | SEC ↗ |
| 77 | Victory Capital Management Inc | 11.32K | n/a | $1.04M | 0.0% | n/c | 1 | SEC ↗ |
| 78 | Nordea Investment Management Ab | 11.39K | n/a | $1.04M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 79 | Russell Investments Group, Ltd. | 11.17K | n/a | $1.03M | 0.0% | n/c | 1 | SEC ↗ ×6 |
| 80 | Royal Bank Of Canada | 10.98K | n/a | $1.01M | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 81 | Osaic Holdings, Inc. | 10.88K | n/a | $1.00M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 82 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 9.42K | n/a | $869,083 | 0.0% | n/c | 1 | SEC ↗ |
| 83 | Zurcher Kantonalbank (Zurich… | 9.27K | n/a | $854,511 | 0.0% | n/c | 1 | SEC ↗ |
| 84 | Creative Planning | 8.17K | n/a | $753,611 | 0.0% | n/c | 1 | SEC ↗ |
| 85 | HighTower Advisors, LLC | 7.54K | n/a | $695,691 | 0.0% | n/c | 1 | SEC ↗ |
| 86 | Corient Private Wealth LP | 7.49K | n/a | $691,185 | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 87 | Squarepoint Ops LLC | 6.82K | n/a | $629,193 | 0.0% | n/c | 1 | SEC ↗ |
| 88 | Rockefeller Capital Management L.P. | 5.71K | n/a | $526,818 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 89 | Cetera Investment Advisers | 5.62K | n/a | $518,425 | 0.0% | n/c | 1 | SEC ↗ |
| 90 | Mitsubishi UFJ Asset Management… | 5.44K | n/a | $501,580 | 0.0% | n/c | 1 | SEC ↗ |
| 91 | Commonwealth Equity Services, Llc | 4.89K | n/a | $451,280 | 0.0% | n/c | 1 | SEC ↗ |
| 92 | Blair William & Co/Il | 4.73K | n/a | $436,432 | 0.0% | n/c | 1 | SEC ↗ |
| 93 | Wells Fargo & Company/Mn | 4.71K | n/a | $433,988 | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 94 | Pictet Asset Management Holding SA | 4.48K | n/a | $412,821 | 0.0% | n/c | 1 | SEC ↗ |
| 95 | Allspring Global Investments… | 4.08K | n/a | $376,831 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 96 | Jones Financial Companies Lllp | 3.52K | n/a | $325,111 | 0.0% | n/c | 1 | SEC ↗ |
| 97 | Us Bancorp \De\ | 3.17K | n/a | $291,999 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 98 | First Trust Advisors Lp | 3.07K | n/a | $283,330 | 0.0% | n/c | 1 | SEC ↗ |
| 99 | Bank Of Montreal /Can/ | 2.73K | n/a | $251,603 | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 100 | Capstone Investment Advisors, Llc | 2.61K | n/a | $240,720 | 0.0% | n/c | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Wellington Management | $203.93M | 0.0% |
| Norges Bank | $11.95M | 0.0% |
| Arrowstreet Capital | $7.01M | 0.0% |
Exited
| Baillie Gifford | $80.46M | was 0.1% |
| Point72 Asset Management | $6.82M | 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: Q4 2025 ·
Methodology ·
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