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, Q4 2021
Institutional positions in Inspire Medical Systems, Inc. as of Dec 31, 2021. 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
- 289
- +37 vs. Q3 2021
- Shares held
- 25.9M
- +785.1K (+3.1%) vs. Q3 2021
- Total value
- $5.95B
- +$111.0M (+1.9%) vs. Q3 2021
- New holders
- 53
- 90 more added
- Sold out
- 16
- 95 more reduced
2 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2021: 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, Q4 2021
Shares, value and share of portfolio for each institution holding Inspire Medical Systems, Inc.; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 2,559,739 | $588.9M | 0.01% | +54,134+2.2% | Added |
| BlackRock Inc. | 1,846,227 | $424.7M | 0.01% | +38,582+2.1% | Added |
| FMR LLC | 1,538,454 | $353.9M | 0.03% | −171,781−10.0% | Reduced |
| Macquarie Group Ltd | 1,329,533 | $305.9M | 0.25% | +256,762+23.9% | Added |
| Franklin Resources Inc | 1,082,849 | $249.1M | 0.09% | −20,237−1.8% | Reduced |
| Fred Alger Management, LLC | 1,019,720 | $234.6M | 0.59% | −123,621−10.8% | Reduced |
| William Blair Investment Management, LLC | 884,191 | $203.4M | 0.55% | −11,785−1.3% | Reduced |
| Invesco Ltd. | 806,331 | $185.5M | 0.04% | −98,876−10.9% | Reduced |
| Gilder Gagnon Howe & Co LLC | 787,749 | $181.2M | 1.03% | −9,503−1.2% | Reduced |
| Wasatch Advisors Inc | 691,449 | $159.1M | 0.65% | −35,693−4.9% | Reduced |
| Credit Suisse AG | 683,011 | $157.1M | 0.13% | −10,743−1.5% | Reduced |
| Champlain Investment Partners, LLC | 672,725 | $154.8M | 0.70% | +3,345+0.5% | Added |
| Wellington Management Group LLP | 589,064 | $135.5M | 0.02% | +144,539+32.5% | Added |
| State Street Corp | 526,962 | $121.2M | 0.01% | +8,059+1.6% | Added |
| Geode Capital Management, LLC | 447,576 | $103.0M | 0.01% | +2,215+0.5% | Added |
| Allspring Global Investments Holdings, LLC | 428,542 | $98.6M | 0.11% | +428,542 | New |
| Bellevue Group AG | 420,780 | $96.8M | 1.00% | −278−0.1% | Reduced |
| Lord, Abbett & Co. LLC | 407,889 | $93.8M | 0.21% | +9,518+2.4% | Added |
| Bamco Inc | 386,246 | $88.9M | 0.19% | −3,929−1.0% | Reduced |
| Marshall Wace, LLP | 355,561 | $81.8M | 0.16% | −10,588−2.9% | Reduced |
| Federated Hermes, Inc. | 349,105 | $80.3M | 0.15% | +8,224+2.4% | Added |
| Northern Trust Corp | 324,812 | $74.7M | 0.01% | −1,998−0.6% | Reduced |
| Loomis Sayles & Co L P | 301,954 | $69.5M | 0.08% | +38,851+14.8% | Added |
| Point72 Asset Management, L.P. | 287,456 | $66.1M | 0.29% | +195,511+212.6% | Added |
| D. E. Shaw & Co., Inc. | 272,887 | $62.8M | 0.08% | −41,159−13.1% | Reduced |
| Driehaus Capital Management LLC | 272,080 | $62.6M | 0.64% | +72,736+36.5% | Added |
| Citadel Advisors LLC | 270,686 | $62.3M | 0.07% | +179,825+197.9% | Added |
| Victory Capital Management Inc | 262,237 | $60.3M | 0.06% | −59,709−18.5% | Reduced |
| TimesSquare Capital Management, LLC | 257,565 | $59.3M | 0.52% | +92,590+56.1% | Added |
| Price T Rowe Associates Inc | 230,756 | $53.1M | 0.00% | +293+0.1% | Added |
| Pura Vida Investments, LLC | 214,442 | $49.3M | 5.15% | +9,932+4.9% | Added |
| Norges Bank | 212,337 | $48.9M | 0.01% | +16,271+8.3% | Added |
| Jennison Associates LLC | 207,226 | $47.7M | 0.03% | +48,781+30.8% | Added |
| Charles Schwab Investment Management Inc | 203,076 | $46.7M | 0.01% | +4,592+2.3% | Added |
| Artisan Partners Limited Partnership | 174,106 | $40.1M | 0.05% | +1,300+0.8% | Added |
| Mairs & Power Inc | 171,083 | $39.4M | 0.36% | −1,120−0.7% | Reduced |
| Morgan Stanley | 162,245 | $37.3M | 0.00% | −107,604−39.9% | Reduced |
| Ameriprise Financial Inc | 160,204 | $36.9M | 0.01% | +28,966+22.1% | Added |
| Eagle Asset Management Inc | 155,835 | $35.9M | 0.16% | −25,041−13.8% | Reduced |
| Adage Capital Partners GP, L.L.C. | 150,000 | $34.5M | 0.06% | +70,000+87.5% | Added |
| Granite Investment Partners, LLC | 131,433 | $30.2M | 0.88% | +6,088+4.9% | Added |
| Atika Capital Management LLC | 130,700 | $30.1M | 2.46% | −9,400−6.7% | Reduced |
| Amundi | 121,702 | $28.7M | 0.02% | +6,594+5.7% | Added |
| Bank of New York Mellon Corp | 123,912 | $28.5M | 0.01% | −3,618−2.8% | Reduced |
| Frontier Capital Management Co LLC | 118,612 | $27.3M | 0.22% | −144,110−54.9% | Reduced |
| Wells Fargo & Company | 117,578 | $27.1M | 0.01% | −112,592−48.9% | Reduced |
| Thrivent Financial for Lutherans | 114,234 | $26.3M | 0.05% | −13,739−10.7% | Reduced |
| Bank of America Corp | 112,261 | $25.8M | 0.00% | −1,857−1.6% | Reduced |
| Nuveen Asset Management, LLC | 109,571 | $25.2M | 0.01% | −9,012−7.6% | Reduced |
| UBS Asset Management Americas Inc | 102,161 | $23.5M | 0.01% | −2,017−1.9% | Reduced |
| Goldman Sachs Group Inc | 94,854 | $21.8M | 0.01% | −43,033−31.2% | Reduced |
| Miura Global Management, LLC | 89,800 | $20.7M | 3.50% | −15,700−14.9% | Reduced |
| Millennium Management LLC | 83,221 | $19.1M | 0.02% | +64,276+339.3% | Added |
| Eagle Health Investments LP | 76,253 | $17.5M | 4.27% | +7,600+11.1% | Added |
| Polar Asset Management Partners Inc. | 75,600 | $17.4M | 0.21% | +16,196+27.3% | Added |
| Lisanti Capital Growth, LLC | 69,085 | $15.9M | 2.30% | +39,360+132.4% | Added |
| Oak Ridge Investments LLC | 64,257 | $14.8M | 1.25% | −1,571−2.4% | Reduced |
| Swiss National Bank | 60,000 | $13.8M | 0.01% | −100−0.2% | Reduced |
| Bridgewater Associates, LP | 55,627 | $12.8M | 0.07% | +8,207+17.3% | Added |
| California Public Employees Retirement System | 54,179 | $12.5M | 0.01% | 00.0% | Unchanged |
| Moore Capital Management, LP | 54,167 | $12.5M | 0.32% | −23,638−30.4% | Reduced |
| Sectoral Asset Management Inc | 51,650 | $11.9M | 1.79% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 49,252 | $11.3M | 0.00% | +8,149+19.8% | Added |
| Segall Bryant & Hamill, LLC | 47,263 | $10.9M | 0.10% | +2,199+4.9% | Added |
| State of Wisconsin Investment Board | 46,700 | $10.7M | 0.02% | 00.0% | Unchanged |
| Rhenman & Partners Asset Management AB | 46,373 | $10.7M | 0.71% | +46,373 | New |
| STRS Ohio | 46,300 | $10.7M | 0.04% | +7,200+18.4% | Added |
| Deutsche Bank AG | 43,377 | $9.98M | 0.00% | −1,557−3.5% | Reduced |
| Lazard Asset Management LLC | 40,265 | $9.26M | 0.01% | +15,328+61.5% | Added |
| Calamos Advisors LLC | 39,449 | $9.08M | 0.04% | +1,722+4.6% | Added |
| California State Teachers Retirement System | 37,731 | $8.68M | 0.01% | +910+2.5% | Added |
| New York State Common Retirement Fund | 36,604 | $8.42M | 0.01% | +5,271+16.8% | Added |
| Russell Investments Group, Ltd. | 35,929 | $8.26M | 0.01% | +7,368+25.8% | Added |
| Parametric Portfolio Associates LLC | 35,710 | $8.21M | 0.00% | −5,669−13.7% | Reduced |
| Novo Holdings A/S | 35,500 | $8.17M | 0.39% | +14,200+66.7% | Added |
| Alliancebernstein L.P. | 34,000 | $7.82M | 0.00% | −500−1.4% | Reduced |
| Barclays PLC | 33,746 | $7.76M | 0.00% | +19,090+130.3% | Added |
| Renaissance Technologies LLC | 31,100 | $7.16M | 0.01% | +31,100 | New |
| Rhumbline Advisers | 28,249 | $6.50M | 0.01% | −545−1.9% | Reduced |
| Soleus Capital Management, L.P. | 27,450 | $6.32M | 0.85% | −3,500−11.3% | Reduced |
| Prudential Financial Inc | 25,917 | $6.03M | 0.01% | +23,150+836.6% | Added |
| First Trust Advisors LP | 26,169 | $6.02M | 0.01% | +13,763+110.9% | Added |
| Royal Bank of Canada | 24,881 | $5.72M | 0.00% | +3,899+18.6% | Added |
| Legal & General Group Plc | 23,963 | $5.51M | 0.00% | +55+0.2% | Added |
| Man Group plc | 23,098 | $5.31M | 0.02% | +1,713+8.0% | Added |
| Altium Capital Management LP | 23,000 | $5.29M | 1.49% | −3,000−11.5% | Reduced |
| Mutual of America Capital Management LLC | 22,560 | $5.19M | 0.05% | −211−0.9% | Reduced |
| Public Employees Retirement System of Ohio | 21,893 | $5.04M | 0.02% | 00.0% | Unchanged |
| HSBC Holdings PLC | 21,422 | $4.94M | 0.01% | +6,813+46.6% | Added |
| Cinctive Capital Management LP | 20,116 | $4.63M | 0.22% | −10,968−35.3% | Reduced |
| UBS Group AG | 19,667 | $4.52M | 0.00% | +5,111+35.1% | Added |
| Jackson Square Partners, LLC | 19,445 | $4.47M | 0.04% | −18,028−48.1% | Reduced |
| Ensign Peak Advisors, Inc | 19,140 | $4.40M | 0.01% | +12,980+210.7% | Added |
| Envestnet Asset Management Inc | 17,791 | $4.09M | 0.00% | +2,377+15.4% | Added |
| HealthCor Management, L.P. | 17,490 | $4.02M | 0.22% | +17,490 | New |
| PDT Partners, LLC | 17,386 | $4.00M | 0.30% | −6,714−27.9% | Reduced |
| Susquehanna Fundamental Investments, LLC | 17,177 | $3.95M | 0.10% | −3,460−16.8% | Reduced |
| State of New Jersey Common Pension Fund D | 16,425 | $3.78M | 0.01% | −420−2.5% | Reduced |
| AQR Capital Management LLC | 15,934 | $3.67M | 0.01% | +1,254+8.5% | Added |
| Putnam Investments LLC | 15,740 | $3.62M | 0.01% | +15,740 | New |