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 2024
Institutional positions in Inspire Medical Systems, Inc. as of Dec 31, 2024. 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
- 357
- +16 vs. Q3 2024
- Shares held
- 33.4M
- +361.4K (+1.1%) vs. Q3 2024
- Total value
- $6.20B
- −$772.6M (−11.1%) vs. Q3 2024
- New holders
- 60
- 119 more added
- Sold out
- 44
- 127 more reduced
6 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2024: 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 2024
Shares, value and share of portfolio for each institution holding Inspire Medical Systems, Inc.; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 4,201,333 | $778.8M | 0.02% | +83,184+2.0% | Added |
| Vanguard Group Inc | 3,270,357 | $606.3M | 0.01% | +38,219+1.2% | Added |
| FMR LLC | 2,519,534 | $467.1M | 0.03% | −428,282−14.5% | Reduced |
| Wasatch Advisors Inc | 1,321,765 | $245.0M | 1.21% | −1,705−0.1% | Reduced |
| Baillie Gifford & Co | 1,256,005 | $232.8M | 0.18% | −110,830−8.1% | Reduced |
| State Street Corp | 1,062,146 | $196.9M | 0.01% | +12,362+1.2% | Added |
| William Blair Investment Management, LLC | 902,611 | $167.3M | 0.41% | −3,738−0.4% | Reduced |
| Dragoneer Investment Group, LLC | 871,110 | $161.5M | 2.82% | +871,110 | New |
| Invesco Ltd. | 793,080 | $147.0M | 0.03% | +99,030+14.3% | Added |
| Morgan Stanley | 584,628 | $108.4M | 0.01% | +221,321+60.9% | Added |
| Bank of New York Mellon Corp | 580,871 | $107.7M | 0.02% | −191,894−24.8% | Reduced |
| Janus Henderson Group PLC | 567,312 | $105.2M | 0.05% | +64,703+12.9% | Added |
| Macquarie Group Ltd | 537,594 | $99.7M | 0.12% | −44,726−7.7% | Reduced |
| JPMorgan Chase & Co | 519,549 | $96.3M | 0.01% | −222,369−30.0% | Reduced |
| Geode Capital Management, LLC | 486,341 | $90.2M | 0.01% | +2,687+0.6% | Added |
| Artisan Partners Limited Partnership | 450,210 | $83.5M | 0.13% | −95,731−17.5% | Reduced |
| Champlain Investment Partners, LLC | 444,409 | $82.4M | 0.52% | −20,203−4.3% | Reduced |
| AQR Capital Management LLC | 438,844 | $81.4M | 0.10% | −7,567−1.7% | Reduced |
| TimesSquare Capital Management, LLC | 433,806 | $80.4M | 1.17% | +433,806 | New |
| Frontier Capital Management Co LLC | 418,854 | $77.6M | 0.74% | +23,838+6.0% | Added |
| UBS Group AG | 363,555 | $67.4M | 0.02% | +308,412+559.3% | Added |
| UBS Asset Management Americas Inc | 353,835 | $65.6M | 0.02% | −11,333−3.1% | Reduced |
| Bamco Inc | 347,800 | $64.5M | 0.17% | +8,500+2.5% | Added |
| Allspring Global Investments Holdings, LLC | 326,299 | $61.7M | 0.10% | +58,447+21.8% | Added |
| Brown Capital Management LLC | 304,780 | $56.5M | 1.31% | −45,681−13.0% | Reduced |
| Charles Schwab Investment Management Inc | 296,207 | $54.9M | 0.01% | +15,042+5.3% | Added |
| Eversept Partners, LP | 294,302 | $54.6M | 5.63% | +18,032+6.5% | Added |
| Braidwell LP | 293,410 | $54.4M | 1.61% | +54,499+22.8% | Added |
| Marshall Wace, LLP | 277,131 | $51.4M | 0.06% | +262,353+1,775.3% | Added |
| Raymond James Financial Inc | 256,792 | $47.6M | 0.02% | +256,792 | New |
| Wellington Management Group LLP | 244,388 | $45.3M | 0.01% | −1,147,946−82.4% | Reduced |
| Northern Trust Corp | 244,249 | $45.3M | 0.01% | +69,995+40.2% | Added |
| Amundi | 203,353 | $43.5M | 0.02% | −22,479−10.0% | Reduced |
| Fuller & Thaler Asset Management, Inc. | 232,388 | $43.1M | 0.16% | +17,294+8.0% | Added |
| Dimensional Fund Advisors LP | 232,333 | $43.1M | 0.01% | +115,024+98.1% | Added |
| Federated Hermes, Inc. | 228,330 | $42.3M | 0.09% | −91,530−28.6% | Reduced |
| Franklin Resources Inc | 221,560 | $41.1M | 0.01% | +17,666+8.7% | Added |
| Jacobs Levy Equity Management, Inc | 210,160 | $39.0M | 0.14% | +188,492+869.9% | Added |
| Keybank National Association | 200,759 | $37.2M | 0.14% | +586+0.3% | Added |
| Gilder Gagnon Howe & Co LLC | 187,693 | $34.8M | 0.38% | −35,433−15.9% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 177,588 | $32.9M | 0.15% | +31,344+21.4% | Added |
| Man Group plc | 175,926 | $32.6M | 0.10% | +93,214+112.7% | Added |
| SEI Investments Co | 163,474 | $30.3M | 0.04% | +35,486+27.7% | Added |
| Atika Capital Management LLC | 157,600 | $29.2M | 3.78% | −2,400−1.5% | Reduced |
| Voya Investment Management LLC | 156,575 | $29.0M | 0.03% | +2,639+1.7% | Added |
| Nuveen Asset Management, LLC | 153,468 | $28.4M | 0.01% | −27,132−15.0% | Reduced |
| ExodusPoint Capital Management, LP | 152,660 | $28.3M | 0.29% | +32,602+27.2% | Added |
| Tri Locum Partners LP | 150,788 | $28.0M | 5.79% | −641−0.4% | Reduced |
| Rhenman & Partners Asset Management AB | 150,041 | $27.8M | 2.86% | +28,041+23.0% | Added |
| Bellevue Group AG | 148,478 | $27.5M | 0.53% | −46,602−23.9% | Reduced |
| New York State Common Retirement Fund | 147,679 | $27.4M | 0.04% | −23,580−13.8% | Reduced |
| Principal Financial Group Inc | 146,310 | $27.1M | 0.01% | +5,221+3.7% | Added |
| Riverbridge Partners LLC | 142,097 | $26.3M | 0.36% | +142,097 | New |
| Renaissance Technologies LLC | 136,700 | $25.3M | 0.04% | +36,200+36.0% | Added |
| Eagle Health Investments LP | 136,603 | $25.3M | 6.21% | 00.0% | Unchanged |
| Rock Springs Capital Management LP | 130,000 | $24.1M | 0.92% | 00.0% | Unchanged |
| Thrivent Financial for Lutherans | 129,120 | $23.9M | 0.05% | +18,540+16.8% | Added |
| Eventide Asset Management, LLC | 125,090 | $23.2M | 0.42% | 00.0% | Unchanged |
| Standard Life Aberdeen plc | 121,361 | $22.4M | 0.04% | 00.0% | Unchanged |
| Credit Agricole S A | 118,076 | $21.9M | 0.07% | −19,332−14.1% | Reduced |
| Ameriprise Financial Inc | 104,756 | $19.4M | 0.00% | −77,409−42.5% | Reduced |
| First Trust Advisors LP | 101,614 | $18.8M | 0.02% | +101,614 | New |
| Integral Health Asset Management, LLC | 100,000 | $18.5M | 1.64% | −60,000−37.5% | Reduced |
| Legal & General Group Plc | 95,478 | $17.7M | 0.00% | +3,065+3.3% | Added |
| Los Angeles Capital Management LLC | 90,542 | $16.8M | 0.07% | +47,563+110.7% | Added |
| Neuberger Berman Group LLC | 84,225 | $15.6M | 0.01% | +4,140+5.2% | Added |
| Capital Fund Management S.A. | 80,984 | $15.0M | 0.15% | −16,524−16.9% | Reduced |
| Victory Capital Management Inc | 77,469 | $14.4M | 0.01% | −5,380−6.5% | Reduced |
| Public Sector Pension Investment Board | 74,659 | $13.8M | 0.06% | +11,359+17.9% | Added |
| Rhumbline Advisers | 73,650 | $13.7M | 0.01% | −2,918−3.8% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 73,352 | $13.6M | 0.03% | −9,384−11.3% | Reduced |
| State of Wisconsin Investment Board | 65,688 | $12.2M | 0.03% | +3,747+6.0% | Added |
| Mairs & Power Inc | 64,671 | $12.0M | 0.12% | +3,498+5.7% | Added |
| Lazard Asset Management LLC | 64,282 | $11.9M | 0.02% | −922−1.4% | Reduced |
| Fred Alger Management, LLC | 63,125 | $11.7M | 0.06% | −6,725−9.6% | Reduced |
| Swiss National Bank | 58,600 | $10.9M | 0.01% | +600+1.0% | Added |
| Price T Rowe Associates Inc | 57,932 | $10.7M | 0.00% | −106,173−64.7% | Reduced |
| Norges Bank | 57,617 | $10.7M | 0.00% | −220,356−79.3% | Reduced |
| WCM Investment Management, LLC | 55,735 | $10.3M | 0.02% | +55,735 | New |
| Citadel Advisors LLC | 52,421 | $9.72M | 0.01% | −57,890−52.5% | Reduced |
| Rheos Capital Works Inc. | 52,400 | $9.71M | 0.54% | 00.0% | Unchanged |
| Kornitzer Capital Management Inc | 50,240 | $9.31M | 0.18% | 00.0% | Unchanged |
| Impax Asset Management Group plc | 50,000 | $9.27M | 0.04% | 00.0% | Unchanged |
| M&G Plc | 49,704 | $9.20M | 0.06% | +49,704 | New |
| Teachers Retirement System of the State of Kentucky | 47,888 | $8.88M | 0.08% | −1,290−2.6% | Reduced |
| Jennison Associates LLC | 47,586 | $8.82M | 0.01% | +47,586 | New |
| Bank of America Corp | 46,396 | $8.60M | 0.00% | −36,032−43.7% | Reduced |
| Algert Global LLC | 43,012 | $7.97M | 0.19% | −2,551−5.6% | Reduced |
| Kopp Family Office, LLC | 41,041 | $7.61M | 4.82% | −24−0.1% | Reduced |
| California Public Employees Retirement System | 38,568 | $7.15M | 0.00% | −12,516−24.5% | Reduced |
| Bullseye Asset Management LLC | 36,128 | $6.70M | 3.15% | −471−1.3% | Reduced |
| Arrowstreet Capital, Limited Partnership | 35,294 | $6.54M | 0.01% | +33,202+1,587.1% | Added |
| Public Employees Retirement System of Ohio | 35,178 | $6.52M | 0.02% | −1,183−3.3% | Reduced |
| Beck Bode, LLC | 34,711 | $6.43M | 1.18% | +34,711 | New |
| Trexquant Investment LP | 33,871 | $6.28M | 0.07% | +33,871 | New |
| Goldman Sachs Group Inc | 32,565 | $6.04M | 0.00% | −16,637−33.8% | Reduced |
| State Board of Administration of Florida Retirement System | 31,110 | $5.77M | 0.01% | −730−2.3% | Reduced |
| Great West Life Assurance Co | 28,819 | $5.35M | 0.01% | −418−1.4% | Reduced |
| Baird Financial Group, Inc. | 28,391 | $5.26M | 0.01% | −3,996−12.3% | Reduced |
| Barclays PLC | 28,375 | $5.26M | 0.00% | −14,150−33.3% | Reduced |