Inspire Medical Systems, Inc.
INSP- Exchange
- NYSE
- Industry
- Surgical & Medical Instruments & Apparatus
- SEC CIK
- 0001609550
In the last 90 days, Inspire Medical Systems, Inc. insiders filed 0 open-market purchases and 1 sale; 275 institutions reported holding it in 13F filings for Q2 2026, worth $1.65B in total; no superinvestor holds it.
13F holders, Q1 2023
Institutional positions in Inspire Medical Systems, Inc. as of Mar 31, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 374
- +37 vs. Q4 2022
- Shares held
- 28.7M
- +538.1K (+1.9%) vs. Q4 2022
- Total value
- $6.68B
- −$419.3M (−5.9%) vs. Q4 2022
- New holders
- 64
- 156 more added
- Sold out
- 27
- 101 more reduced
3 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2022: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting INSP on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 275 | $1.65B |
| Q1 2026 | 301 | $1.80B |
| Q4 2025 | 343 | $3.12B |
| Q3 2025 | 325 | $2.31B |
| Q2 2025 | 356 | $4.39B |
| Q1 2025 | 363 | $5.46B |
| Q4 2024 | 357 | $6.20B |
| Q3 2024 | 347 | $7.03B |
| Q2 2024 | 325 | $4.23B |
| Q1 2024 | 327 | $6.83B |
| Q4 2023 | 343 | $6.31B |
| Q3 2023 | 365 | $5.65B |
| Q2 2023 | 407 | $9.11B |
| Q1 2023 | 374 | $6.68B |
| Q4 2022 | 340 | $7.11B |
| Q3 2022 | 301 | $5.01B |
| Q2 2022 | 287 | $5.01B |
| Q1 2022 | 299 | $6.92B |
| Q4 2021 | 289 | $5.95B |
| Q3 2021 | 254 | $5.91B |
| Q2 2021 | 248 | $4.83B |
| Q1 2021 | 251 | $5.21B |
Institutions, Q1 2023
Shares, value and share of portfolio for each institution holding Inspire Medical Systems, Inc.; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 3,101,739 | $726.0M | 0.02% | +123,348+4.1% | Added |
| BlackRock Inc. | 2,282,100 | $534.2M | 0.02% | +146,344+6.9% | Added |
| FMR LLC | 1,056,826 | $247.4M | 0.02% | −220,514−17.3% | Reduced |
| Franklin Resources Inc | 1,042,576 | $244.0M | 0.12% | −31,625−2.9% | Reduced |
| Invesco Ltd. | 1,028,690 | $240.8M | 0.07% | +352,731+52.2% | Added |
| William Blair Investment Management, LLC | 836,690 | $195.8M | 0.68% | +3,267+0.4% | Added |
| Champlain Investment Partners, LLC | 656,325 | $153.6M | 0.97% | −11,930−1.8% | Reduced |
| State Street Corp | 630,841 | $147.7M | 0.01% | +30,054+5.0% | Added |
| Macquarie Group Ltd | 599,067 | $140.2M | 0.17% | −461,605−43.5% | Reduced |
| Wellington Management Group LLP | 585,475 | $137.0M | 0.03% | −31,869−5.2% | Reduced |
| Wasatch Advisors Inc | 583,606 | $136.6M | 0.85% | +35,478+6.5% | Added |
| Fred Alger Management, LLC | 548,154 | $128.3M | 0.69% | +38,021+7.5% | Added |
| Geode Capital Management, LLC | 536,762 | $125.6M | 0.02% | +30,405+6.0% | Added |
| Gilder Gagnon Howe & Co LLC | 511,673 | $119.8M | 1.98% | −25,096−4.7% | Reduced |
| Lord, Abbett & Co. LLC | 446,768 | $104.6M | 0.38% | +7,196+1.6% | Added |
| Westfield Capital Management Co LP | 422,648 | $98.9M | 0.70% | +83,328+24.6% | Added |
| Allspring Global Investments Holdings, LLC | 418,073 | $97.9M | 0.16% | +12,361+3.0% | Added |
| Frontier Capital Management Co LLC | 386,567 | $90.5M | 0.94% | +28,535+8.0% | Added |
| Bellevue Group AG | 377,068 | $88.3M | 1.28% | −24,674−6.1% | Reduced |
| Viking Global Investors LPSuperinvestorViking Global Investors | 346,576 | $81.1M | 0.38% | −203,217−37.0% | Reduced |
| Federated Hermes, Inc. | 342,900 | $80.3M | 0.20% | +102,900+42.9% | Added |
| Driehaus Capital Management LLC | 339,153 | $79.4M | 1.11% | +41,683+14.0% | Added |
| Ameriprise Financial Inc | 327,465 | $76.6M | 0.03% | −9,984−3.0% | Reduced |
| Northern Trust Corp | 323,100 | $75.6M | 0.01% | +4,886+1.5% | Added |
| Charles Schwab Investment Management Inc | 308,037 | $72.1M | 0.02% | +986+0.3% | Added |
| Citadel Advisors LLC | 305,212 | $71.4M | 0.08% | −327,118−51.7% | Reduced |
| Summit Partners Public Asset Management, LLC | 295,288 | $69.1M | 3.88% | −3,802−1.3% | Reduced |
| Price T Rowe Associates Inc | 293,195 | $68.6M | 0.01% | +24,448+9.1% | Added |
| Loomis Sayles & Co L P | 286,617 | $67.1M | 0.12% | +2,264+0.8% | Added |
| Credit Suisse AG | 286,356 | $67.0M | 0.07% | −36,133−11.2% | Reduced |
| Bank of New York Mellon Corp | 274,045 | $64.1M | 0.01% | −4,301−1.5% | Reduced |
| Bamco Inc | 268,936 | $62.9M | 0.19% | −24,400−8.3% | Reduced |
| Polar Capital Holdings Plc | 268,650 | $62.9M | 0.46% | +268,650 | New |
| Norges Bank | 247,582 | $58.0M | 0.01% | −14,164−5.4% | Reduced |
| Farallon Capital Management, L.L.C. | 242,596 | $56.8M | 0.34% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 217,418 | $50.9M | 0.08% | +76,715+54.5% | Added |
| Renaissance Technologies LLC | 211,000 | $49.4M | 0.07% | +170,200+417.2% | Added |
| JPMorgan Chase & Co | 194,349 | $45.5M | 0.01% | +29,279+17.7% | Added |
| Victory Capital Management Inc | 188,153 | $44.0M | 0.05% | −949−0.5% | Reduced |
| 1832 Asset Management L.P. | 184,500 | $43.2M | 0.09% | +184,500 | New |
| Morgan Stanley | 181,417 | $42.5M | 0.00% | +50,627+38.7% | Added |
| Point72 Asset Management, L.P. | 170,598 | $39.9M | 0.14% | −242,326−58.7% | Reduced |
| Jennison Associates LLC | 169,147 | $39.6M | 0.04% | +408+0.2% | Added |
| Keybank National Association | 162,023 | $37.9M | 0.18% | −320−0.2% | Reduced |
| Thrivent Financial for Lutherans | 161,915 | $37.9M | 0.09% | +3,249+2.0% | Added |
| Marshall Wace, LLP | 157,919 | $37.0M | 0.09% | −48,003−23.3% | Reduced |
| Polar Asset Management Partners Inc. | 153,502 | $35.9M | 0.64% | +9,700+6.7% | Added |
| Millennium Management LLC | 152,083 | $35.6M | 0.04% | −63,063−29.3% | Reduced |
| Atika Capital Management LLC | 141,365 | $33.1M | 5.16% | +500+0.4% | Added |
| Goldman Sachs Group Inc | 134,573 | $31.5M | 0.01% | −33,096−19.7% | Reduced |
| Cubist Systematic Strategies, LLC | 127,957 | $30.0M | 0.28% | +88,317+222.8% | Added |
| Granite Investment Partners, LLC | 124,928 | $29.2M | 1.22% | −2,701−2.1% | Reduced |
| Bank of America Corp | 119,635 | $28.0M | 0.00% | +27,504+29.9% | Added |
| Nicholas Investment Partners, LP | 118,858 | $27.8M | 2.11% | +37,123+45.4% | Added |
| Amundi | 121,178 | $27.7M | 0.01% | −822−0.7% | Reduced |
| Principal Financial Group Inc | 117,728 | $27.6M | 0.02% | +12,052+11.4% | Added |
| Voya Investment Management LLC | 114,192 | $26.7M | 0.03% | +12,664+12.5% | Added |
| Artisan Partners Limited Partnership | 111,641 | $26.1M | 0.04% | −1,738−1.5% | Reduced |
| Adage Capital Partners GP, L.L.C. | 111,279 | $26.0M | 0.06% | +11,279+11.3% | Added |
| Eventide Asset Management, LLC | 108,220 | $25.3M | 0.46% | 00.0% | Unchanged |
| Mairs & Power Inc | 107,313 | $25.1M | 0.29% | −18,326−14.6% | Reduced |
| TimesSquare Capital Management, LLC | 101,900 | $23.9M | 0.35% | −48,905−32.4% | Reduced |
| Eagle Health Investments LP | 101,543 | $23.8M | 4.63% | 00.0% | Unchanged |
| Jane Street Group, LLC | 99,957 | $23.4M | 0.04% | +85,640+598.2% | Added |
| Employees Retirement System of Texas | 99,000 | $23.2M | 0.34% | +99,000 | New |
| American Century Companies Inc | 96,742 | $22.6M | 0.02% | +95,590+8,297.7% | Added |
| Pura Vida Investments, LLC | 94,893 | $22.2M | 2.25% | −106,091−52.8% | Reduced |
| Nuveen Asset Management, LLC | 93,268 | $21.8M | 0.01% | −4,618−4.7% | Reduced |
| SEI Investments Co | 92,991 | $21.8M | 0.04% | +70,100+306.2% | Added |
| UBS Asset Management Americas Inc | 88,515 | $20.7M | 0.01% | −2,369−2.6% | Reduced |
| Eagle Asset Management Inc | 87,898 | $20.6M | 0.12% | −23,081−20.8% | Reduced |
| Park West Asset Management LLC | 86,500 | $20.2M | 1.88% | +86,500 | New |
| Integral Health Asset Management, LLC | 80,000 | $18.7M | 3.89% | +20,000+33.3% | Added |
| Quadrature Capital Ltd | 76,642 | $17.9M | 0.49% | +66,015+621.2% | Added |
| Iron Triangle Partners LP | 70,000 | $16.4M | 2.36% | −10,000−12.5% | Reduced |
| Swiss National Bank | 62,300 | $14.6M | 0.01% | −7,200−10.4% | Reduced |
| Novo Holdings A/S | 60,000 | $14.0M | 1.00% | −3,304−5.2% | Reduced |
| Kornitzer Capital Management Inc | 50,160 | $11.7M | 0.23% | 00.0% | Unchanged |
| UBS Group AG | 48,287 | $11.3M | 0.01% | +7,656+18.8% | Added |
| Man Group plc | – | $11.1M | 0.04% | – | – |
| California Public Employees Retirement System | 45,552 | $10.7M | 0.01% | −9,590−17.4% | Reduced |
| Ensign Peak Advisors, Inc | 42,154 | $9.87M | 0.02% | +25,690+156.0% | Added |
| Assenagon Asset Management S.A. | 41,066 | $9.61M | 0.04% | −298,563−87.9% | Reduced |
| State of Wisconsin Investment Board | 40,054 | $9.38M | 0.03% | +5,967+17.5% | Added |
| Rhumbline Advisers | 39,977 | $9.36M | 0.01% | +1,577+4.1% | Added |
| Castleark Management LLC | 39,450 | $9.23M | 0.45% | 00.0% | Unchanged |
| Rhenman & Partners Asset Management AB | 38,392 | $9.14M | 1.00% | −22,608−37.1% | Reduced |
| Segall Bryant & Hamill, LLC | 38,528 | $9.02M | 0.10% | +481+1.3% | Added |
| BNP Paribas Arbitrage, SA | 38,364 | $8.98M | 0.02% | +33,782+737.3% | Added |
| Lazard Asset Management LLC | 37,784 | $8.84M | 0.01% | +473+1.3% | Added |
| Canada Pension Plan Investment Board | 36,900 | $8.64M | 0.01% | −4,280−10.4% | Reduced |
| Prudential Financial Inc | 36,282 | $8.49M | 0.01% | +22,067+155.2% | Added |
| California State Teachers Retirement System | 36,023 | $8.43M | 0.01% | −290−0.8% | Reduced |
| Squarepoint Ops LLC | 35,819 | $8.38M | 0.06% | +2,401+7.2% | Added |
| Russell Investments Group, Ltd. | 35,161 | $8.23M | 0.02% | −5,169−12.8% | Reduced |
| Bridgewater Associates, LP | 35,159 | $8.23M | 0.05% | +1,531+4.6% | Added |
| Axiom Investors LLC | 35,127 | $8.22M | 0.14% | −3,565−9.2% | Reduced |
| Osterweis Capital Management Inc | 35,125 | $8.22M | 0.56% | +3,125+9.8% | Added |
| New York State Common Retirement Fund | 34,756 | $8.14M | 0.01% | −16,534−32.2% | Reduced |
| Alliancebernstein L.P. | 34,715 | $8.13M | 0.00% | 00.0% | Unchanged |