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 |
|---|---|---|---|---|---|
| Quadrature Capital Ltd | 76,642 | $17.9M | 0.49% | +66,015+621.2% | Added |
| Integral Health Asset Management, LLC | 80,000 | $18.7M | 3.89% | +20,000+33.3% | Added |
| Park West Asset Management LLC | 86,500 | $20.2M | 1.88% | +86,500 | New |
| Eagle Asset Management Inc | 87,898 | $20.6M | 0.12% | −23,081−20.8% | Reduced |
| UBS Asset Management Americas Inc | 88,515 | $20.7M | 0.01% | −2,369−2.6% | Reduced |
| SEI Investments Co | 92,991 | $21.8M | 0.04% | +70,100+306.2% | Added |
| Nuveen Asset Management, LLC | 93,268 | $21.8M | 0.01% | −4,618−4.7% | Reduced |
| Pura Vida Investments, LLC | 94,893 | $22.2M | 2.25% | −106,091−52.8% | Reduced |
| American Century Companies Inc | 96,742 | $22.6M | 0.02% | +95,590+8,297.7% | Added |
| Employees Retirement System of Texas | 99,000 | $23.2M | 0.34% | +99,000 | New |
| Jane Street Group, LLC | 99,957 | $23.4M | 0.04% | +85,640+598.2% | Added |
| Eagle Health Investments LP | 101,543 | $23.8M | 4.63% | 00.0% | Unchanged |
| TimesSquare Capital Management, LLC | 101,900 | $23.9M | 0.35% | −48,905−32.4% | Reduced |
| Mairs & Power Inc | 107,313 | $25.1M | 0.29% | −18,326−14.6% | Reduced |
| Eventide Asset Management, LLC | 108,220 | $25.3M | 0.46% | 00.0% | Unchanged |
| Adage Capital Partners GP, L.L.C. | 111,279 | $26.0M | 0.06% | +11,279+11.3% | Added |
| Artisan Partners Limited Partnership | 111,641 | $26.1M | 0.04% | −1,738−1.5% | Reduced |
| Voya Investment Management LLC | 114,192 | $26.7M | 0.03% | +12,664+12.5% | Added |
| Principal Financial Group Inc | 117,728 | $27.6M | 0.02% | +12,052+11.4% | Added |
| Amundi | 121,178 | $27.7M | 0.01% | −822−0.7% | Reduced |
| Nicholas Investment Partners, LP | 118,858 | $27.8M | 2.11% | +37,123+45.4% | Added |
| Bank of America Corp | 119,635 | $28.0M | 0.00% | +27,504+29.9% | Added |
| Granite Investment Partners, LLC | 124,928 | $29.2M | 1.22% | −2,701−2.1% | Reduced |
| Cubist Systematic Strategies, LLC | 127,957 | $30.0M | 0.28% | +88,317+222.8% | Added |
| Goldman Sachs Group Inc | 134,573 | $31.5M | 0.01% | −33,096−19.7% | Reduced |
| Atika Capital Management LLC | 141,365 | $33.1M | 5.16% | +500+0.4% | Added |
| Millennium Management LLC | 152,083 | $35.6M | 0.04% | −63,063−29.3% | Reduced |
| Polar Asset Management Partners Inc. | 153,502 | $35.9M | 0.64% | +9,700+6.7% | Added |
| Marshall Wace, LLP | 157,919 | $37.0M | 0.09% | −48,003−23.3% | Reduced |
| Thrivent Financial for Lutherans | 161,915 | $37.9M | 0.09% | +3,249+2.0% | Added |
| Keybank National Association | 162,023 | $37.9M | 0.18% | −320−0.2% | Reduced |
| Jennison Associates LLC | 169,147 | $39.6M | 0.04% | +408+0.2% | Added |
| Point72 Asset Management, L.P. | 170,598 | $39.9M | 0.14% | −242,326−58.7% | Reduced |
| Morgan Stanley | 181,417 | $42.5M | 0.00% | +50,627+38.7% | Added |
| 1832 Asset Management L.P. | 184,500 | $43.2M | 0.09% | +184,500 | New |
| Victory Capital Management Inc | 188,153 | $44.0M | 0.05% | −949−0.5% | Reduced |
| JPMorgan Chase & Co | 194,349 | $45.5M | 0.01% | +29,279+17.7% | Added |
| Renaissance Technologies LLC | 211,000 | $49.4M | 0.07% | +170,200+417.2% | Added |
| D. E. Shaw & Co., Inc. | 217,418 | $50.9M | 0.08% | +76,715+54.5% | Added |
| Farallon Capital Management, L.L.C. | 242,596 | $56.8M | 0.34% | 00.0% | Unchanged |
| Norges Bank | 247,582 | $58.0M | 0.01% | −14,164−5.4% | Reduced |
| Polar Capital Holdings Plc | 268,650 | $62.9M | 0.46% | +268,650 | New |
| Bamco Inc | 268,936 | $62.9M | 0.19% | −24,400−8.3% | Reduced |
| Bank of New York Mellon Corp | 274,045 | $64.1M | 0.01% | −4,301−1.5% | Reduced |
| Credit Suisse AG | 286,356 | $67.0M | 0.07% | −36,133−11.2% | Reduced |
| Loomis Sayles & Co L P | 286,617 | $67.1M | 0.12% | +2,264+0.8% | Added |
| Price T Rowe Associates Inc | 293,195 | $68.6M | 0.01% | +24,448+9.1% | Added |
| Summit Partners Public Asset Management, LLC | 295,288 | $69.1M | 3.88% | −3,802−1.3% | Reduced |
| Citadel Advisors LLC | 305,212 | $71.4M | 0.08% | −327,118−51.7% | Reduced |
| Charles Schwab Investment Management Inc | 308,037 | $72.1M | 0.02% | +986+0.3% | Added |
| Northern Trust Corp | 323,100 | $75.6M | 0.01% | +4,886+1.5% | Added |
| Ameriprise Financial Inc | 327,465 | $76.6M | 0.03% | −9,984−3.0% | Reduced |
| Driehaus Capital Management LLC | 339,153 | $79.4M | 1.11% | +41,683+14.0% | Added |
| Federated Hermes, Inc. | 342,900 | $80.3M | 0.20% | +102,900+42.9% | Added |
| Viking Global Investors LPSuperinvestorViking Global Investors | 346,576 | $81.1M | 0.38% | −203,217−37.0% | Reduced |
| Bellevue Group AG | 377,068 | $88.3M | 1.28% | −24,674−6.1% | Reduced |
| Frontier Capital Management Co LLC | 386,567 | $90.5M | 0.94% | +28,535+8.0% | Added |
| Allspring Global Investments Holdings, LLC | 418,073 | $97.9M | 0.16% | +12,361+3.0% | Added |
| Westfield Capital Management Co LP | 422,648 | $98.9M | 0.70% | +83,328+24.6% | Added |
| Lord, Abbett & Co. LLC | 446,768 | $104.6M | 0.38% | +7,196+1.6% | Added |
| Gilder Gagnon Howe & Co LLC | 511,673 | $119.8M | 1.98% | −25,096−4.7% | Reduced |
| Geode Capital Management, LLC | 536,762 | $125.6M | 0.02% | +30,405+6.0% | Added |
| Fred Alger Management, LLC | 548,154 | $128.3M | 0.69% | +38,021+7.5% | Added |
| Wasatch Advisors Inc | 583,606 | $136.6M | 0.85% | +35,478+6.5% | Added |
| Wellington Management Group LLP | 585,475 | $137.0M | 0.03% | −31,869−5.2% | Reduced |
| Macquarie Group Ltd | 599,067 | $140.2M | 0.17% | −461,605−43.5% | Reduced |
| State Street Corp | 630,841 | $147.7M | 0.01% | +30,054+5.0% | Added |
| Champlain Investment Partners, LLC | 656,325 | $153.6M | 0.97% | −11,930−1.8% | Reduced |
| William Blair Investment Management, LLC | 836,690 | $195.8M | 0.68% | +3,267+0.4% | Added |
| Invesco Ltd. | 1,028,690 | $240.8M | 0.07% | +352,731+52.2% | Added |
| Franklin Resources Inc | 1,042,576 | $244.0M | 0.12% | −31,625−2.9% | Reduced |
| FMR LLC | 1,056,826 | $247.4M | 0.02% | −220,514−17.3% | Reduced |
| BlackRock Inc. | 2,282,100 | $534.2M | 0.02% | +146,344+6.9% | Added |
| Vanguard Group Inc | 3,101,739 | $726.0M | 0.02% | +123,348+4.1% | Added |
| K2 Principal Fund, L.P. | 0 | $0 | 0.00% | −14,956−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −14,294−100.0% | Sold out |
| Penserra Capital Management LLC | 0 | $0 | 0.00% | −10,461−100.0% | Sold out |
| Velan Capital Investment Management LP | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Brookfield Asset Management Inc. | 0 | $0 | 0.00% | −8,470−100.0% | Sold out |
| EAM Investors, LLC | 0 | $0 | 0.00% | −7,648−100.0% | Sold out |
| EAM Global Investors LLC | 0 | $0 | 0.00% | −7,300−100.0% | Sold out |
| Avantax Planning Partners, Inc. | 0 | $0 | 0.00% | −3,002−100.0% | Sold out |
| Occudo Quantitative Strategies LP | 0 | $0 | 0.00% | −2,683−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −2,542−100.0% | Sold out |
| Cna Financial Corp | 0 | $0 | 0.00% | −1,893−100.0% | Sold out |
| Petrus Trust Company, LTA | 0 | $0 | 0.00% | −1,723−100.0% | Sold out |
| FORA Capital, LLC | 0 | $0 | 0.00% | −1,614−100.0% | Sold out |
| Connor, Clark & Lunn Investment Management Ltd. | 0 | $0 | 0.00% | −1,521−100.0% | Sold out |
| Advisory Research Inc | 0 | $0 | 0.00% | −1,275−100.0% | Sold out |
| TCWP LLC | 0 | $0 | 0.00% | −1,062−100.0% | Sold out |
| Great Lakes Advisors, LLC | 0 | $0 | 0.00% | −870−100.0% | Sold out |
| MML Investors Services, LLC | 0 | $0 | 0.00% | −862−100.0% | Sold out |
| Beacon Investment Advisory Services, Inc. | 0 | $0 | 0.00% | −849−100.0% | Sold out |
| American Trust | 0 | $0 | 0.00% | −798−100.0% | Sold out |
| Zullo Investment Group, Inc. | 0 | $0 | 0.00% | −45−100.0% | Sold out |
| Truvestments Capital LLC | 0 | $0 | 0.00% | −16−100.0% | Sold out |
| Accurate Wealth Management, LLC | 0 | $0 | 0.00% | −12−100.0% | Sold out |
| Money Concepts Capital Corp | 0 | $0 | 0.00% | −8−100.0% | Sold out |
| Comerica Securities,inc. | 0 | $0 | 0.00% | −4−100.0% | Sold out |
| Centerpoint Advisors, LLC | 0 | $0 | 0.00% | −2−100.0% | Sold out |