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, Q2 2023
Institutional positions in Inspire Medical Systems, Inc. as of Jun 30, 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
- 407
- +35 vs. Q1 2023
- Shares held
- 28.1M
- −627.0K (−2.2%) vs. Q1 2023
- Total value
- $9.11B
- +$2.43B (+36.4%) vs. Q1 2023
- New holders
- 86
- 124 more added
- Sold out
- 51
- 140 more reduced
2 institutions that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2023: 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, Q2 2023
Shares, value and share of portfolio for each institution holding Inspire Medical Systems, Inc.; share changes are against Q1 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Bridgewater Associates, LP | 31,565 | $10.2M | 0.06% | −3,594−10.2% | Reduced |
| State Board of Administration of Florida Retirement System | 31,984 | $10.4M | 0.02% | +23,840+292.7% | Added |
| Castleark Management LLC | 32,190 | $10.5M | 0.47% | −7,260−18.4% | Reduced |
| Two Sigma Investments, LP | 32,350 | $10.5M | 0.03% | +25,850+397.7% | Added |
| Novo Holdings A/S | 32,500 | $10.6M | 0.82% | −27,500−45.8% | Reduced |
| Next Century Growth Investors LLC | 32,862 | $10.7M | 1.03% | +1,987+6.4% | Added |
| Lazard Asset Management LLC | 34,053 | $11.1M | 0.01% | −3,731−9.9% | Reduced |
| UBS Group AG | 34,185 | $11.1M | 0.00% | −14,102−29.2% | Reduced |
| California State Teachers Retirement System | 35,282 | $11.5M | 0.02% | −741−2.1% | Reduced |
| Dimensional Fund Advisors LP | 35,505 | $11.5M | 0.00% | +5,600+18.7% | Added |
| ExodusPoint Capital Management, LP | 37,641 | $12.2M | 0.14% | +37,641 | New |
| WCM Investment Management, LLC | 38,540 | $12.3M | 0.04% | +38,540 | New |
| Arrowstreet Capital, Limited Partnership | 38,188 | $12.4M | 0.02% | +26,298+221.2% | Added |
| State of Wisconsin Investment Board | 38,317 | $12.4M | 0.04% | −1,737−4.3% | Reduced |
| Segall Bryant & Hamill, LLC | 38,707 | $12.6M | 0.13% | +179+0.5% | Added |
| Russell Investments Group, Ltd. | 38,823 | $12.6M | 0.02% | +3,662+10.4% | Added |
| Rhumbline Advisers | 39,186 | $12.7M | 0.01% | −791−2.0% | Reduced |
| Legal & General Group Plc | 39,751 | $12.9M | 0.00% | +5,164+14.9% | Added |
| Barclays PLC | 39,948 | $13.0M | 0.01% | +10,088+33.8% | Added |
| Ergoteles LLC | 43,753 | $14.2M | 0.68% | +42,438+3,227.2% | Added |
| Aquatic Capital Management LLC | 46,300 | $15.0M | 0.81% | +42,800+1,222.9% | Added |
| Neuberger Berman Group LLC | 47,163 | $15.3M | 0.01% | +26,793+131.5% | Added |
| New York State Common Retirement Fund | 48,736 | $15.8M | 0.02% | +13,980+40.2% | Added |
| Royal Bank of Canada | 49,600 | $16.1M | 0.00% | +33,369+205.6% | Added |
| Park West Asset Management LLC | 50,000 | $16.2M | 1.42% | −36,500−42.2% | Reduced |
| Ensign Peak Advisors, Inc | 51,857 | $16.8M | 0.03% | +9,703+23.0% | Added |
| California Public Employees Retirement System | 52,605 | $17.1M | 0.01% | +7,053+15.5% | Added |
| Mairs & Power Inc | 52,615 | $17.1M | 0.19% | −54,698−51.0% | Reduced |
| Cubist Systematic Strategies, LLC | 54,844 | $17.8M | 0.20% | −73,113−57.1% | Reduced |
| Pura Vida Investments, LLC | 55,171 | $17.9M | 7.44% | −39,722−41.9% | Reduced |
| Thornburg Investment Management Inc | 55,330 | $18.0M | 0.29% | +21,834+65.2% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 60,000 | $19.5M | 0.09% | +60,000 | New |
| Quadrature Capital Ltd | 62,686 | $20.3M | 0.45% | −13,956−18.2% | Reduced |
| Swiss National Bank | 63,500 | $20.6M | 0.01% | +1,200+1.9% | Added |
| UBS Asset Management Americas Inc | 88,515 | $20.7M | 0.01% | 00.0% | Unchanged |
| Iron Triangle Partners LP | 70,000 | $22.7M | 3.11% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 70,448 | $22.9M | 0.05% | +32,084+83.6% | Added |
| Eagle Health Investments LP | 72,843 | $23.6M | 4.42% | −28,700−28.3% | Reduced |
| Kornitzer Capital Management Inc | 76,075 | $24.7M | 0.49% | +25,915+51.7% | Added |
| Eversept Partners, LP | 82,445 | $26.8M | 2.83% | +82,445 | New |
| Employees Retirement System of Texas | 83,000 | $26.9M | 0.37% | −16,000−16.2% | Reduced |
| HRT Financial LP | 83,636 | $27.2M | 0.25% | +83,636 | New |
| Bank of America Corp | 84,780 | $27.5M | 0.00% | −34,855−29.1% | Reduced |
| Eagle Asset Management Inc | 85,301 | $27.7M | 0.15% | −2,597−3.0% | Reduced |
| SEI Investments Co | 87,068 | $28.3M | 0.05% | −5,923−6.4% | Reduced |
| Los Angeles Capital Management LLC | 88,182 | $28.6M | 0.11% | +79,766+947.8% | Added |
| Assenagon Asset Management S.A. | 92,346 | $30.0M | 0.12% | +51,280+124.9% | Added |
| Jennison Associates LLC | 92,418 | $30.0M | 0.02% | −76,729−45.4% | Reduced |
| TimesSquare Capital Management, LLC | 102,300 | $33.2M | 0.48% | +400+0.4% | Added |
| Integral Health Asset Management, LLC | 103,000 | $33.4M | 4.39% | +23,000+28.7% | Added |
| Nuveen Asset Management, LLC | 108,088 | $35.1M | 0.01% | +14,820+15.9% | Added |
| Eventide Asset Management, LLC | 108,220 | $35.1M | 0.59% | 00.0% | Unchanged |
| Man Group plc | 110,082 | $35.7M | 0.11% | – | – |
| Artisan Partners Limited Partnership | 111,754 | $36.3M | 0.06% | +113+0.1% | Added |
| Victory Capital Management Inc | 111,878 | $36.3M | 0.04% | −76,275−40.5% | Reduced |
| Nicholas Investment Partners, LP | 115,187 | $37.4M | 2.56% | −3,671−3.1% | Reduced |
| Principal Financial Group Inc | 123,205 | $40.0M | 0.03% | +5,477+4.7% | Added |
| Atika Capital Management LLC | 140,165 | $45.5M | 5.72% | −1,200−0.8% | Reduced |
| Northern Trust Corp | 145,774 | $47.3M | 0.01% | −177,326−54.9% | Reduced |
| Adage Capital Partners GP, L.L.C. | 154,361 | $50.1M | 0.11% | +43,082+38.7% | Added |
| JPMorgan Chase & Co | 156,161 | $50.7M | 0.01% | −38,188−19.6% | Reduced |
| Keybank National Association | 161,273 | $52.4M | 0.24% | −750−0.5% | Reduced |
| Thrivent Financial for Lutherans | 164,566 | $53.4M | 0.12% | +2,651+1.6% | Added |
| Amundi | 173,965 | $55.6M | 0.03% | +52,787+43.6% | Added |
| Susquehanna International Group, LLP | 187,490 | $60.9M | 0.10% | +158,390+544.3% | Added |
| Morgan Stanley | 190,408 | $61.8M | 0.01% | +8,991+5.0% | Added |
| Goldman Sachs Group Inc | 192,775 | $62.6M | 0.02% | +58,202+43.2% | Added |
| Point72 Asset Management, L.P. | 229,620 | $74.5M | 0.26% | +59,022+34.6% | Added |
| Norges Bank | 237,600 | $77.1M | 0.02% | −9,982−4.0% | Reduced |
| Bamco Inc | 244,736 | $79.5M | 0.22% | −24,200−9.0% | Reduced |
| Bank of New York Mellon Corp | 245,716 | $79.8M | 0.02% | −28,329−10.3% | Reduced |
| Charles Schwab Investment Management Inc | 248,384 | $80.6M | 0.02% | −59,653−19.4% | Reduced |
| Loomis Sayles & Co L P | 251,793 | $81.7M | 0.13% | −34,824−12.2% | Reduced |
| Renaissance Technologies LLC | 257,100 | $83.5M | 0.12% | +46,100+21.8% | Added |
| Millennium Management LLC | 264,440 | $85.8M | 0.09% | +112,357+73.9% | Added |
| Polar Capital Holdings Plc | 265,182 | $86.1M | 0.59% | −3,468−1.3% | Reduced |
| Marshall Wace, LLP | 276,977 | $89.9M | 0.19% | +119,058+75.4% | Added |
| Voya Investment Management LLC | 278,010 | $90.3M | 0.09% | +163,818+143.5% | Added |
| Credit Suisse AG | 280,785 | $91.2M | 0.09% | −5,571−1.9% | Reduced |
| Summit Partners Public Asset Management, LLC | 282,068 | $91.6M | 4.65% | −13,220−4.5% | Reduced |
| Price T Rowe Associates Inc | 317,120 | $103.0M | 0.01% | +23,925+8.2% | Added |
| Citadel Advisors LLC | 319,672 | $103.8M | 0.12% | +14,460+4.7% | Added |
| Farallon Capital Management, L.L.C. | 323,096 | $104.9M | 0.63% | +80,500+33.2% | Added |
| 1832 Asset Management L.P. | 332,900 | $108.1M | 0.21% | +148,400+80.4% | Added |
| Ameriprise Financial Inc | 334,288 | $108.5M | 0.03% | +6,823+2.1% | Added |
| Driehaus Capital Management LLC | 353,449 | $114.7M | 1.45% | +14,296+4.2% | Added |
| Allspring Global Investments Holdings, LLC | 356,618 | $115.8M | 0.19% | −61,455−14.7% | Reduced |
| Bellevue Group AG | 357,020 | $115.9M | 1.65% | −20,048−5.3% | Reduced |
| Federated Hermes, Inc. | 376,554 | $122.2M | 0.30% | +33,654+9.8% | Added |
| Frontier Capital Management Co LLC | 406,879 | $132.1M | 1.27% | +20,312+5.3% | Added |
| Geode Capital Management, LLC | 413,575 | $134.3M | 0.02% | −123,187−23.0% | Reduced |
| D. E. Shaw & Co., Inc. | 419,333 | $136.1M | 0.21% | +201,915+92.9% | Added |
| Lord, Abbett & Co. LLC | 450,539 | $146.3M | 0.50% | +3,771+0.8% | Added |
| Fred Alger Management, LLC | 467,378 | $151.7M | 0.78% | −80,776−14.7% | Reduced |
| Gilder Gagnon Howe & Co LLC | 496,053 | $161.0M | 2.20% | −15,620−3.1% | Reduced |
| Wasatch Advisors Inc | 496,287 | $161.1M | 0.98% | −87,319−15.0% | Reduced |
| State Street Corp | 514,692 | $167.1M | 0.01% | −116,149−18.4% | Reduced |
| Westfield Capital Management Co LP | 563,667 | $183.0M | 1.16% | +141,019+33.4% | Added |
| Wellington Management Group LLP | 565,492 | $183.6M | 0.03% | −19,983−3.4% | Reduced |
| Champlain Investment Partners, LLC | 566,115 | $183.8M | 1.13% | −90,210−13.7% | Reduced |