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 2023
Institutional positions in Inspire Medical Systems, Inc. as of Dec 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
- 343
- −17 vs. Q3 2023
- Shares held
- 31.0M
- +2.67M (+9.4%) vs. Q3 2023
- Total value
- $6.31B
- +$659.1M (+11.7%) vs. Q3 2023
- New holders
- 63
- 120 more added
- Sold out
- 80
- 121 more reduced
5 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2023
Shares, value and share of portfolio for each institution holding Inspire Medical Systems, Inc.; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Northern Trust Corp | 155,223 | $31.6M | 0.01% | +5,948+4.0% | Added |
| Hood River Capital Management LLC | 156,441 | $31.8M | 0.88% | +17,328+12.5% | Added |
| Voya Investment Management LLC | 162,330 | $33.0M | 0.03% | −91,565−36.1% | Reduced |
| Morgan Stanley | 173,563 | $35.3M | 0.00% | +48,816+39.1% | Added |
| Intrinsic Edge Capital Management LLC | 182,846 | $37.2M | 3.97% | +126,475+224.4% | Added |
| Braidwell LP | 184,658 | $37.6M | 1.38% | +84,358+84.1% | Added |
| D. E. Shaw & Co., Inc. | 184,948 | $37.6M | 0.05% | +20,246+12.3% | Added |
| Keybank National Association | 201,337 | $41.0M | 0.18% | +40,694+25.3% | Added |
| Driehaus Capital Management LLC | 201,950 | $41.1M | 0.50% | +42,817+26.9% | Added |
| Adage Capital Partners GP, L.L.C. | 209,916 | $42.7M | 0.09% | +106,980+103.9% | Added |
| Bamco Inc | 211,000 | $42.9M | 0.11% | −33,736−13.8% | Reduced |
| Bellevue Group AG | 215,600 | $43.9M | 0.67% | +145,232+206.4% | Added |
| Allspring Global Investments Holdings, LLC | 219,835 | $44.7M | 0.07% | −11,860−5.1% | Reduced |
| Norges Bank | 241,440 | $49.1M | 0.01% | −3,509−1.4% | Reduced |
| Marshall Wace, LLP | 247,641 | $50.4M | 0.10% | +236,746+2,173.0% | Added |
| Gilder Gagnon Howe & Co LLC | 255,960 | $52.1M | 0.71% | −207,134−44.7% | Reduced |
| Charles Schwab Investment Management Inc | 263,938 | $53.7M | 0.01% | +7,716+3.0% | Added |
| Slate Path Capital LP | 294,000 | $59.8M | 1.33% | +294,000 | New |
| Price T Rowe Associates Inc | 302,873 | $61.6M | 0.01% | +42,560+16.3% | Added |
| Jennison Associates LLC | 304,886 | $62.0M | 0.05% | +264,139+648.2% | Added |
| Eversept Partners, LP | 351,116 | $71.4M | 7.00% | +158,098+81.9% | Added |
| Credit Suisse AG | 356,059 | $72.4M | 0.07% | +7,759+2.2% | Added |
| Bank of New York Mellon Corp | 398,480 | $81.1M | 0.02% | +24,686+6.6% | Added |
| Fred Alger Management, LLC | 405,907 | $82.6M | 0.45% | +445+0.1% | Added |
| Geode Capital Management, LLC | 444,814 | $90.5M | 0.01% | +20,514+4.8% | Added |
| Federated Hermes, Inc. | 453,268 | $92.2M | 0.23% | −43,132−8.7% | Reduced |
| Point72 Asset Management, L.P. | 473,195 | $96.3M | 0.29% | −410,167−46.4% | Reduced |
| Ameriprise Financial Inc | 491,270 | $99.9M | 0.03% | +157,779+47.3% | Added |
| Franklin Resources Inc | 514,012 | $104.6M | 0.05% | −275,523−34.9% | Reduced |
| State Street Corp | 531,193 | $108.1M | 0.01% | +6,689+1.3% | Added |
| Macquarie Group Ltd | 538,575 | $109.6M | 0.13% | −65,031−10.8% | Reduced |
| Westfield Capital Management Co LP | 545,619 | $111.0M | 0.65% | −186,781−25.5% | Reduced |
| JPMorgan Chase & Co | 631,881 | $128.5M | 0.01% | +532,353+534.9% | Added |
| Champlain Investment Partners, LLC | 648,595 | $131.9M | 0.78% | +179,050+38.1% | Added |
| Frontier Capital Management Co LLC | 742,046 | $151.0M | 1.52% | +380,362+105.2% | Added |
| William Blair Investment Management, LLC | 806,947 | $164.2M | 0.48% | +112,802+16.3% | Added |
| Farallon Capital Management, L.L.C. | 855,096 | $174.0M | 1.09% | +429,000+100.7% | Added |
| Wasatch Advisors Inc | 1,097,345 | $223.2M | 1.23% | +119,738+12.2% | Added |
| Baillie Gifford & Co | 1,229,879 | $250.2M | 0.20% | +1,212,175+6,846.9% | Added |
| Wellington Management Group LLP | 1,430,266 | $291.0M | 0.05% | +453,294+46.4% | Added |
| BlackRock Inc. | 1,800,207 | $366.2M | 0.01% | −95,178−5.0% | Reduced |
| Vanguard Group Inc | 2,931,469 | $596.3M | 0.01% | −80,927−2.7% | Reduced |
| FMR LLC | 3,257,544 | $662.7M | 0.05% | +786,080+31.8% | Added |
| 1832 Asset Management L.P. | 0 | $0 | 0.00% | −562,400−100.0% | Sold out |
| Loomis Sayles & Co L P | 0 | $0 | 0.00% | −199,969−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −140,754−100.0% | Sold out |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −125,202−100.0% | Sold out |
| Lord, Abbett & Co. LLC | 0 | $0 | 0.00% | −102,164−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −67,813−100.0% | Sold out |
| Eagle Asset Management Inc | 0 | $0 | 0.00% | −58,138−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −50,708−100.0% | Sold out |
| Healthcare of Ontario Pension Plan Trust Fund | 0 | $0 | 0.00% | −44,214−100.0% | Sold out |
| Prosight Management, LP | 0 | $0 | 0.00% | −40,000−100.0% | Sold out |
| Arrowstreet Capital, Limited Partnership | 0 | $0 | 0.00% | −38,738−100.0% | Sold out |
| Voloridge Investment Management, LLC | 0 | $0 | 0.00% | −36,902−100.0% | Sold out |
| Point72 Europe (London) LLP | 0 | $0 | 0.00% | −35,645−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −35,626−100.0% | Sold out |
| Soleus Capital Management, L.P. | 0 | $0 | 0.00% | −35,600−100.0% | Sold out |
| M&G Investment Management Ltd | 0 | $0 | 0.00% | −29,795−100.0% | Sold out |
| Jacobs Levy Equity Management, Inc | 0 | $0 | 0.00% | −25,559−100.0% | Sold out |
| Granite Investment Partners, LLC | 0 | $0 | 0.00% | −24,017−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −16,652−100.0% | Sold out |
| Hillsdale Investment Management Inc. | 0 | $0 | 0.00% | −15,325−100.0% | Sold out |
| STRS Ohio | 0 | $0 | 0.00% | −12,968−100.0% | Sold out |
| Campbell & CO Investment Adviser LLC | 0 | $0 | 0.00% | −11,115−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −11,044−100.0% | Sold out |
| Magnetar Financial LLC | 0 | $0 | 0.00% | −10,183−100.0% | Sold out |
| Centiva Capital, LP | 0 | $0 | 0.00% | −9,558−100.0% | Sold out |
| Point72 Middle East FZE | 0 | $0 | 0.00% | −8,211−100.0% | Sold out |
| Seven Eight Capital, LP | 0 | $0 | 0.00% | −7,850−100.0% | Sold out |
| McKinley Capital Management LLC /Delaware | 0 | $0 | 0.00% | −7,670−100.0% | Sold out |
| Silvant Capital Management LLC | 0 | $0 | 0.00% | −7,000−100.0% | Sold out |
| Echo Street Capital Management LLC | 0 | $0 | 0.00% | −6,603−100.0% | Sold out |
| Affinity Asset Advisors, LLC | 0 | $0 | 0.00% | −6,293−100.0% | Sold out |
| Alberta Investment Management Corp | 0 | $0 | 0.00% | −6,081−100.0% | Sold out |
| FORA Capital, LLC | 0 | $0 | 0.00% | −5,928−100.0% | Sold out |
| Raymond James & Associates | 0 | $0 | 0.00% | −5,767−100.0% | Sold out |
| Susquehanna Fundamental Investments, LLC | 0 | $0 | 0.00% | −4,700−100.0% | Sold out |
| Harbour Capital Advisors, LLC | 0 | $0 | 0.00% | −4,583−100.0% | Sold out |
| EFG Asset Management (Americas) Corp. | 0 | $0 | 0.00% | −4,087−100.0% | Sold out |
| Mutual of America Capital Management LLC | 0 | $0 | 0.00% | −3,687−100.0% | Sold out |
| Brighton Jones LLC | 0 | $0 | 0.00% | −3,339−100.0% | Sold out |
| Quent Capital, LLC | 0 | $0 | 0.00% | −3,225−100.0% | Sold out |
| Sherbrooke Park Advisers LLC | 0 | $0 | 0.00% | −3,220−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −3,116−100.0% | Sold out |
| Norris Financial Group, LLC | 0 | $0 | 0.00% | −3,057−100.0% | Sold out |
| Bridgefront Capital, LLC | 0 | $0 | 0.00% | −2,950−100.0% | Sold out |
| Polar Capital Holdings Plc | 0 | $0 | 0.00% | −2,690−100.0% | Sold out |
| Cowen and Company, LLC | 0 | $0 | 0.00% | −2,600−100.0% | Sold out |
| Winton Group Ltd | 0 | $0 | 0.00% | −2,526−100.0% | Sold out |
| Jefferies Financial Group Inc. | 0 | $0 | 0.00% | −2,232−100.0% | Sold out |
| Nebula Research & Development LLC | 0 | $0 | 0.00% | −2,104−100.0% | Sold out |
| CI Private Wealth, LLC | 0 | $0 | 0.00% | −2,101−100.0% | Sold out |
| Oak Harvest Investment Services | 0 | $0 | 0.00% | −1,943−100.0% | Sold out |
| Virtus Investment Advisers, Inc. | 0 | $0 | 0.00% | −1,803−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −1,800−100.0% | Sold out |
| Steel Peak Wealth Management LLC | 0 | $0 | 0.00% | −1,800−100.0% | Sold out |
| Caas Capital Management LP | 0 | $0 | 0.00% | −1,700−100.0% | Sold out |
| Teza Capital Management LLC | 0 | $0 | 0.00% | −1,602−100.0% | Sold out |
| Fifth Third Bancorp | 0 | $0 | 0.00% | −1,595−100.0% | Sold out |