Inspire Medical SystemsINSP

13F holders, Q3 2024 (September 30)
347holders +22
76new positions
55sold out
9famous investors
$210.87avg. 13F price*

At the end of Q3 2024, 347 institutions reported holding Inspire Medical Systems Inc. (INSP) in their 13F filings, up 22 from Q2 2024. 76 opened new positions and 55 sold out. The largest holders were BlackRock, Inc. ($869.1M), Vanguard Group Inc. ($682.1M) and FMR LLC ($622.1M). 9 famous investors held it, including Steve Cohen (0.2% of Point72 Asset Management's portfolio), Ron Baron (0.2% of Baron Capital (BAMCO)'s portfolio) and Cliff Asness (0.1% of AQR Capital Management's portfolio).

Company
Inspire Medical Systems Inc.
CUSIP
457730109
Latest filing quarter
Q2 2026

History

Number of 13F holders

0100200300400 Q1 2024: 327Q1 2024Q2 2024: 325Q2 2024Q3 2024: 347Q3 2024Q4 2024: 357Q4 2024Q1 2025: 363Q1 2025Q2 2025: 356Q2 2025Q3 2025: 325Q3 2025Q4 2025: 343Q4 2025Q1 2026: 301Q1 2026Q2 2026: 275Q2 2026

Total Exit/New Position Q2 2024 → Q3 2024

InstitutionsTotal Value
New Positions76$204.9M
Exits55$205.8M

All 13F filers, Q2 2024 → Q3 2024: 4,147,074 shares bought and 4,707,097 shares sold, net −560,023 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 347 holders

BlackRock, Inc. 0.02% — 4,118,149 $869.1M
Vanguard Group Inc. 0.01% Add +12.6% 3,232,138 $682.1M
FMR LLC 0.04% Reduce -3.0% 2,947,816 $622.1M
Wellington Management Group LLP 0.05% Reduce -29.5% 1,392,334 $293.9M
Baillie Gifford & Co. 0.22% Reduce -4.2% 1,366,835 $288.5M
Wasatch Advisors LP 1.37% Add +1.6% 1,323,470 $279.3M
State Street Corp. 0.01% Add +78.0% 1,049,784 $221.6M
William Blair Investment Management, LLC 0.47% Add +17.6% 906,349 $191.3M
Bank of New York Mellon Corp 0.03% Reduce -1.9% 772,765 $163.1M
JPMorgan Chase & Co. 0.01% Reduce -11.9% 741,918 $156.6M
Invesco Ltd. 0.03% Add +28.8% 694,050 $146.5M
Macquarie Group Ltd. 0.13% Reduce -1.6% 582,320 $122.9M
Artisan Partners Limited Partnership 0.17% Add +0.2% 545,941 $115.2M
Janus Henderson Group PLC 0.05% Add +5.8% 502,609 $106.1M
Geode Capital Management, LLC 0.01% Add +0.7% 483,654 $102.1M
Champlain Investment Partners, LLC 0.59% Reduce -9.8% 464,612 $98.1M
AQR Capital Management 0.13% Add +92.5% 446,411 $93.4M
Frontier Capital Management Co. LLC 0.78% Reduce -20.9% 395,016 $83.4M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.02% Reduce -35.6% 365,168 $77.1M
Morgan Stanley 0.01% Add +41.2% 363,307 $76.7M
Brown Capital Management LLC 1.59% Reduce -14.1% 350,461 $74.0M
Baron Capital (BAMCO) 0.19% Reduce -2.3% 339,300 $71.6M
Federated Hermes, Inc. 0.15% Reduce -21.1% 319,860 $67.5M
Point72 Asset Management 0.24% Add +954.4% 319,364 $67.4M
Charles Schwab Investment Management Inc. 0.01% Add +4.4% 281,165 $59.3M
Norges Bank 0.01% No change 277,973 $58.7M
Eversept Partners, LP 4.47% Reduce -48.2% 276,270 $58.3M
Allspring Global Investments Holdings, LLC 0.09% Add +798.3% 267,852 $56.5M
Eagle Asset Management Inc. 0.26% Add +82.4% 260,753 $51.3M
Braidwell LP 2.17% Reduce -37.0% 238,911 $50.4M
Gilder Gagnon Howe & Co. LLC 0.56% Reduce -7.3% 223,126 $47.1M
Amundi 0.02% Add +7.4% 225,832 $46.7M
Fuller & Thaler Asset Management, Inc. 0.18% New 215,094 $45.4M
Franklin Resources Inc. 0.01% Reduce -12.6% 203,894 $42.9M
Keybank National Association 0.16% Add +0.0% 200,173 $42.2M
Bellevue Group AG 0.67% Add +56.4% 195,080 $41.2M
Ameriprise Financial Inc. 0.01% Reduce -21.5% 182,165 $38.4M
Nuveen Asset Management, LLC 0.01% Add +29.7% 180,600 $38.1M
Northern Trust Corp. 0.01% Add +11.8% 174,254 $36.8M
New York State Common Retirement Fund 0.05% Reduce -8.5% 171,259 $36.1M
T. Rowe Price Associates Inc. 0.00% Reduce -55.0% 164,105 $34.6M
Integral Health Asset Management, LLC 3.98% New 160,000 $33.8M
Atika Capital Management LLC 3.61% Reduce -1.8% 160,000 $33.8M
Voya Investment Management LLC 0.04% Reduce -0.1% 153,936 $32.5M
Tri Locum Partners LP 7.66% Add +13.6% 151,429 $32.0M
Connor, Clark & Lunn Investment Management Ltd. 0.15% Add +80.3% 146,244 $30.9M
Principal Financial Group Inc. 0.02% Add +3812.6% 141,089 $29.8M
Credit Agricole S A 0.15% Add +5.7% 137,408 $29.0M
Eagle Health Investments LP 5.56% No change 136,603 $28.8M
Rock Springs Capital Management LP 0.89% No change 130,000 $27.4M
Sei Investments Co. 0.04% Add +51.7% 127,988 $27.0M
Eventide Asset Management, LLC 0.46% No change 125,090 $26.4M
Rhenman & Partners Asset Management AB 2.09% Add +617.6% 122,000 $25.7M
Aberdeen Group plc 0.05% Add +16.2% 121,361 $25.6M
ExodusPoint Capital Management, LP 0.26% New 120,058 $25.3M
Dimensional Fund Advisors LP 0.01% Add +7.1% 117,309 $24.8M
Thrivent Financial for Lutherans 0.04% Add +39.7% 110,580 $23.3M
Citadel Advisors 0.02% Add +248.5% 110,311 $23.3M
Renaissance Technologies 0.03% Add +36.5% 100,500 $21.2M
PFM Health Sciences, LP 1.22% New 98,322 $20.8M
Capital Fund Management S.A. 0.23% Add +12.3% 97,508 $20.6M
Legal & General Group Plc 0.01% Add +128.1% 92,413 $19.5M
Victory Capital Management Inc. 0.02% Add +0.8% 82,849 $17.5M
Mitsubishi UFJ Trust & Banking Corp 0.04% Reduce -2.9% 82,736 $17.5M
Man Group plc 0.05% Add +202.5% 82,712 $17.5M
Bank of America Corp. 0.00% Add +3.8% 82,428 $17.4M
Neuberger Berman Group LLC 0.01% Reduce -1.7% 80,085 $16.9M
Rhumbline Advisers 0.01% Add +113.5% 76,568 $16.2M
Adage Capital Partners Gp, L.L.C. 0.03% Reduce -11.8% 75,000 $15.8M
Fred Alger Management, LLC 0.07% Reduce -53.3% 69,850 $14.7M
Lazard Asset Management LLC 0.02% Reduce -36.0% 65,204 $13.8M
Public Sector Pension Investment Board 0.07% New 63,300 $13.4M
State of Wisconsin Investment Board 0.03% Reduce -12.9% 61,941 $13.1M
Mairs & Power Inc. 0.12% Reduce -4.2% 61,173 $12.9M
Swiss National Bank 0.01% Reduce -2.7% 58,000 $12.2M
UBS Group AG 0.00% Reduce -4.6% 55,143 $11.6M
Rheos Capital Works Inc. 0.58% Reduce -34.0% 52,400 $11.1M
California Public Employees Retirement System 0.01% Add +20.5% 51,084 $10.8M
Kornitzer Capital Management Inc. 0.20% Add +2.8% 50,240 $10.6M
Impax Asset Management Group plc 0.04% Reduce -16.7% 50,000 $10.6M
Goldman Sachs Group Inc. 0.00% Reduce -67.5% 49,202 $10.4M
Teachers Retirement System of the State of Kentucky 0.09% Add +20.1% 49,178 $10.4M
Algert Global LLC 0.26% Add +145.1% 45,563 $9.6M
Los Angeles Capital Management LLC 0.04% New 42,979 $9.1M
Barclays PLC 0.00% Reduce -51.2% 42,525 $9.0M
Kopp Family Office, LLC 5.52% No change 41,065 $8.7M
Bullseye Asset Management LLC 3.56% No change 36,599 $7.7M
Public Employees Retirement System of Ohio 0.03% Add +9.4% 36,361 $7.7M
Baird Financial Group, Inc. 0.01% Add +33.1% 32,387 $6.8M
State Board of Administration of Florida Retirement System 0.01% No change 31,840 $6.7M
Oak Ridge Investments LLC 0.58% Add +3.4% 31,335 $6.6M
LMCG Investments, LLC 0.39% Reduce -1.6% 30,609 $6.5M
Royal Bank of Canada 0.00% Reduce -12.0% 30,164 $6.4M
Prudential Financial Inc. 0.01% New 29,394 $6.2M
CANADA LIFE ASSURANCE Co 0.01% Add +852.4% 29,237 $6.2M
Nippon Life Global Investors Americas, Inc. 0.26% No change 28,590 $6.0M
California State Teachers Retirement System 0.01% Reduce -4.9% 28,090 $5.9M
Aquatic Capital Management LLC 0.15% Reduce -74.2% 27,100 $5.7M
Lisanti Capital Growth, LLC 1.42% New 26,615 $5.6M
Thornburg Investment Management Inc. 0.07% Reduce -2.2% 25,241 $5.3M

"% of holder's portfolio" is INSP's weight in each manager's 13F, not the share of Inspire Medical Systems Inc. the manager owns.

Show all 347 holders