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 2025
Institutional positions in Inspire Medical Systems, Inc. as of Mar 31, 2025. 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
- 363
- +8 vs. Q4 2024
- Shares held
- 34.3M
- +1.02M (+3.1%) vs. Q4 2024
- Total value
- $5.46B
- −$717.1M (−11.6%) vs. Q4 2024
- New holders
- 58
- 141 more added
- Sold out
- 50
- 113 more reduced
2 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2025
Shares, value and share of portfolio for each institution holding Inspire Medical Systems, Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 4,029,559 | $641.8M | 0.01% | −171,774−4.1% | Reduced |
| Vanguard Group Inc | 3,225,645 | $513.8M | 0.01% | −44,712−1.4% | Reduced |
| FMR LLC | 2,541,360 | $404.8M | 0.03% | +21,826+0.9% | Added |
| Wasatch Advisors Inc | 1,524,107 | $242.8M | 1.35% | +202,342+15.3% | Added |
| Dragoneer Investment Group, LLC | 1,297,603 | $206.7M | 4.35% | +426,493+49.0% | Added |
| Baillie Gifford & Co | 1,159,754 | $184.7M | 0.16% | −96,251−7.7% | Reduced |
| UBS Asset Management Americas Inc | 1,112,925 | $177.3M | 0.05% | +759,090+214.5% | Added |
| State Street Corp | 1,008,059 | $160.6M | 0.01% | −54,087−5.1% | Reduced |
| Invesco Ltd. | 858,572 | $136.8M | 0.03% | +65,492+8.3% | Added |
| William Blair Investment Management, LLC | 692,918 | $110.4M | 0.31% | −209,693−23.2% | Reduced |
| Janus Henderson Group PLC | 642,760 | $101.1M | 0.06% | +75,448+13.3% | Added |
| Macquarie Group Ltd | 558,227 | $88.9M | 0.11% | +20,633+3.8% | Added |
| Geode Capital Management, LLC | 511,209 | $81.5M | 0.01% | +24,868+5.1% | Added |
| UBS Group AG | 485,179 | $77.3M | 0.02% | +121,624+33.5% | Added |
| TimesSquare Capital Management, LLC | 476,217 | $75.9M | 1.22% | +42,411+9.8% | Added |
| Morgan Stanley | 439,118 | $69.9M | 0.01% | −145,510−24.9% | Reduced |
| Champlain Investment Partners, LLC | 435,762 | $69.4M | 0.50% | −8,647−1.9% | Reduced |
| Frontier Capital Management Co LLC | 433,487 | $69.0M | 0.76% | +14,633+3.5% | Added |
| Bamco Inc | 422,693 | $67.3M | 0.20% | +74,893+21.5% | Added |
| JPMorgan Chase & Co | 399,713 | $63.7M | 0.00% | −119,836−23.1% | Reduced |
| Bank of New York Mellon Corp | 380,260 | $60.6M | 0.01% | −200,611−34.5% | Reduced |
| Artisan Partners Limited Partnership | 373,394 | $59.5M | 0.10% | −76,816−17.1% | Reduced |
| Brown Capital Management LLC | 352,340 | $56.1M | 1.69% | +47,560+15.6% | Added |
| Congress Asset Management Co | 307,555 | $49.0M | 0.37% | +299,949+3,943.6% | Added |
| Eventide Asset Management, LLC | 306,301 | $48.8M | 0.97% | +181,211+144.9% | Added |
| Allspring Global Investments Holdings, LLC | 306,740 | $48.5M | 0.08% | −19,559−6.0% | Reduced |
| Braidwell LP | 302,410 | $48.2M | 1.69% | +9,000+3.1% | Added |
| Charles Schwab Investment Management Inc | 287,892 | $45.9M | 0.01% | −8,315−2.8% | Reduced |
| Dimensional Fund Advisors LP | 277,681 | $44.2M | 0.01% | +45,348+19.5% | Added |
| Northern Trust Corp | 260,407 | $41.5M | 0.01% | +16,158+6.6% | Added |
| Raymond James Financial Inc | 236,496 | $37.7M | 0.01% | −20,296−7.9% | Reduced |
| AQR Capital Management LLC | 242,203 | $37.1M | 0.04% | −196,641−44.8% | Reduced |
| Federated Hermes, Inc. | 228,330 | $36.4M | 0.08% | 00.0% | Unchanged |
| Franklin Resources Inc | 217,674 | $34.7M | 0.01% | −3,886−1.8% | Reduced |
| Wellington Management Group LLP | 207,535 | $33.1M | 0.01% | −36,853−15.1% | Reduced |
| Keybank National Association | 201,070 | $32.0M | 0.13% | +311+0.2% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 196,184 | $31.2M | 0.14% | +18,596+10.5% | Added |
| Renaissance Technologies LLC | 190,700 | $30.4M | 0.05% | +54,000+39.5% | Added |
| Eversept Partners, LP | 186,425 | $29.7M | 3.36% | −107,877−36.7% | Reduced |
| Gilder Gagnon Howe & Co LLC | 183,653 | $29.3M | 0.38% | −4,040−2.2% | Reduced |
| New York State Common Retirement Fund | 182,750 | $29.1M | 0.04% | +35,071+23.7% | Added |
| SEI Investments Co | 171,751 | $27.4M | 0.04% | +8,277+5.1% | Added |
| Amundi | 182,253 | $27.2M | 0.01% | −21,100−10.4% | Reduced |
| Voya Investment Management LLC | 164,936 | $26.3M | 0.03% | +8,361+5.3% | Added |
| Norges Bank | 161,961 | $25.8M | 0.00% | +104,344+181.1% | Added |
| Atika Capital Management LLC | 160,600 | $25.6M | 3.93% | +3,000+1.9% | Added |
| Principal Financial Group Inc | 147,768 | $23.5M | 0.01% | +1,458+1.0% | Added |
| Thrivent Financial for Lutherans | 140,932 | $22.4M | 0.05% | +11,812+9.1% | Added |
| Nuveen, LLC | 136,622 | $21.8M | 0.01% | +136,622 | New |
| Los Angeles Capital Management LLC | 136,174 | $21.7M | 0.10% | +45,632+50.4% | Added |
| Riverbridge Partners LLC | 132,391 | $21.1M | 0.34% | −9,706−6.8% | Reduced |
| Man Group plc | 129,842 | $20.7M | 0.06% | −46,084−26.2% | Reduced |
| Ameriprise Financial Inc | 122,060 | $19.4M | 0.01% | +17,304+16.5% | Added |
| Standard Life Aberdeen plc | 121,361 | $19.3M | 0.04% | 00.0% | Unchanged |
| Jacobs Levy Equity Management, Inc | 110,594 | $17.6M | 0.07% | −99,566−47.4% | Reduced |
| Bank of America Corp | 106,414 | $16.9M | 0.00% | +60,018+129.4% | Added |
| Granite Investment Partners, LLC | 104,116 | $16.6M | 0.84% | +90,644+672.8% | Added |
| Neuberger Berman Group LLC | 100,154 | $16.0M | 0.01% | +15,929+18.9% | Added |
| Rock Springs Capital Management LP | 99,250 | $15.8M | 0.90% | −30,750−23.7% | Reduced |
| Bellevue Group AG | 99,027 | $15.8M | 0.35% | −49,451−33.3% | Reduced |
| Public Sector Pension Investment Board | 94,060 | $15.0M | 0.06% | +19,401+26.0% | Added |
| Legal & General Group Plc | 93,979 | $15.0M | 0.00% | −1,499−1.6% | Reduced |
| Catalio Capital Management, LP | 85,877 | $13.7M | 3.39% | +85,877 | New |
| Caisse de Depot Et Placement du Quebec | 85,167 | $13.6M | 0.03% | +81,184+2,038.3% | Added |
| Eagle Health Investments LP | 81,121 | $12.9M | 3.36% | −55,482−40.6% | Reduced |
| Victory Capital Management Inc | 78,937 | $12.6M | 0.01% | +1,468+1.9% | Added |
| Tri Locum Partners LP | 78,812 | $12.6M | 6.44% | −71,976−47.7% | Reduced |
| Bridgewater Associates, LP | 72,851 | $11.6M | 0.05% | +69,689+2,204.0% | Added |
| WCM Investment Management, LLC | 72,860 | $11.5M | 0.03% | +17,125+30.7% | Added |
| Driehaus Capital Management LLC | 71,745 | $11.4M | 0.11% | +71,745 | New |
| Rhumbline Advisers | 71,535 | $11.4M | 0.01% | −2,115−2.9% | Reduced |
| Mairs & Power Inc | 70,776 | $11.3M | 0.12% | +6,105+9.4% | Added |
| State of Wisconsin Investment Board | 67,811 | $10.8M | 0.03% | +2,123+3.2% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 67,478 | $10.7M | 0.03% | −5,874−8.0% | Reduced |
| Credit Agricole S A | 67,177 | $10.7M | 0.04% | −50,899−43.1% | Reduced |
| Jennison Associates LLC | 66,602 | $10.6M | 0.01% | +19,016+40.0% | Added |
| First Trust Advisors LP | 65,385 | $10.4M | 0.01% | −36,229−35.7% | Reduced |
| Integral Health Asset Management, LLC | 65,000 | $10.4M | 1.15% | −35,000−35.0% | Reduced |
| Citadel Advisors LLC | 60,286 | $9.60M | 0.01% | +7,865+15.0% | Added |
| Algert Global LLC | 59,820 | $9.53M | 0.24% | +16,808+39.1% | Added |
| BNP Paribas Arbitrage, SA | 59,650 | $9.50M | 0.01% | +51,659+646.5% | Added |
| Swiss National Bank | 58,100 | $9.25M | 0.01% | −500−0.9% | Reduced |
| Fred Alger Management, LLC | 57,419 | $9.15M | 0.05% | −5,706−9.0% | Reduced |
| Price T Rowe Associates Inc | 56,414 | $8.99M | 0.00% | −1,518−2.6% | Reduced |
| Lazard Asset Management LLC | 55,569 | $8.85M | 0.01% | −8,713−13.6% | Reduced |
| ExodusPoint Capital Management, LP | 54,877 | $8.74M | 0.12% | −97,783−64.1% | Reduced |
| M&G Plc | 52,909 | $8.41M | 0.04% | +3,205+6.4% | Added |
| Rheos Capital Works Inc. | 52,400 | $8.35M | 0.68% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 51,422 | $8.19M | 0.00% | +18,857+57.9% | Added |
| Kornitzer Capital Management Inc | 50,240 | $8.00M | 0.16% | 00.0% | Unchanged |
| Impax Asset Management Group plc | 50,000 | $7.96M | 0.05% | 00.0% | Unchanged |
| Capital Fund Management S.A. | 47,642 | $7.59M | 0.10% | −33,342−41.2% | Reduced |
| Public Employees Retirement System of Ohio | 47,300 | $7.53M | 0.03% | +12,122+34.5% | Added |
| Two Sigma Investments, LP | 46,169 | $7.35M | 0.02% | +29,785+181.8% | Added |
| Teachers Retirement System of the State of Kentucky | 44,995 | $7.17M | 0.06% | −2,893−6.0% | Reduced |
| Trexquant Investment LP | 41,576 | $6.62M | 0.08% | +7,705+22.7% | Added |
| Kopp Family Office, LLC | 41,041 | $6.54M | 4.52% | 00.0% | Unchanged |
| Soleus Capital Management, L.P. | 39,000 | $6.21M | 0.49% | +39,000 | New |
| California Public Employees Retirement System | 38,532 | $6.14M | 0.00% | −36−0.1% | Reduced |
| Beck Bode, LLC | 36,520 | $5.82M | 1.08% | +1,809+5.2% | Added |