Inspire Medical Systems, Inc. - Common stock, par value $0.001 per share (INSP)

Historical Holders from Q2 2018 to Q3 2025

Symbol
INSP on NYSE
CUSIP
457730109
Type / Class
Equity / Common stock, par value $0.001 per share
Shares outstanding
29.1M
All holders as of September 30, 2025
Q3 2025
Total 13F shares, excl. options
31.1M
Holdings value
$2.31B
% of all portfolios
0.003%
Grand Portfolio weight change
-0.001%
Number of holders
313
Number of buys
156
Number of sells
-219
Average Value change %
0%
Average buys %
+0.001%
Average sells %
-0.003%
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Inspire Medical Systems, Inc. - Common stock, par value $0.001 per share (INSP)

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
BlackRock, Inc. 11.3% -10% $249M -$29.6M 3.35M -10.6% BlackRock, Inc. Sep 30, 2025
CITADEL ADVISORS LLC 5.8% $127M 1.71M Kenneth Griffin Sep 29, 2025
Flynn James E 5.08% $110M 1.48M Deerfield Mgmt, L.P. Nov 6, 2025
FMR LLC 2.5% -72.5% $55M -$131M 741K -70.4% FMR LLC Sep 30, 2025
WASATCH ADVISORS LP 0.5% -92% $10.1M -$103M 136K -91.1% Wasatch Advisors LP Sep 30, 2025

Institutional Holders of Inspire Medical Systems, Inc. - Common stock, par value $0.001 per share (INSP)

Period Reported Shares, Excl. Options Value, Excl. Options Change Price Investors
2025 Q3 31.1M $2.31B -$491M $74.20 313
2025 Q2 33.8M $4.39B -$57.9M $129.77 354
2025 Q1 34.1M $5.43B +$99.9M $159.28 357
2024 Q4 33.4M $6.2B +$41.5M $185.38 351
2024 Q3 33M $6.97B -$39.5M $211.05 348
2024 Q2 31.6M $4.23B -$103M $133.83 325
2024 Q1 31.5M $6.77B +$89.2M $214.79 325
2023 Q4 213K $43.4M -$28.1M $203.43 2
2023 Q3 28.1M $5.58B -$50.6M $198.44 351
2023 Q2 27.7M $9B -$221M $324.64 396
2023 Q1 28.5M $6.67B +$66M $234.07 365
2022 Q4 28M $7.06B +$113M $251.88 327
2022 Q3 26.7M $4.74B +$152M $177.37 284
2022 Q2 27.4M $5.01B +$90.6M $182.67 273
2022 Q1 26.5M $6.79B +$353M $256.69 288
2021 Q4 25.8M $5.94B +$69.8M $230.06 280
2021 Q3 25.4M $5.91B +$103M $232.88 247
2021 Q2 25M $4.83B -$54.7M $193.26 246
2021 Q1 25.2M $5.21B +$95.1M $206.99 249
2020 Q4 25.1M $4.73B -$141M $188.09 235
2020 Q3 26.1M $3.37B -$40.3M $129.05 200
2020 Q2 26.9M $2.35B +$327M $87.02 184
2020 Q1 19.1M $1.15B -$150M $60.28 159
2019 Q4 22.2M $1.65B +$34.7M $74.21 168
2019 Q3 21.4M $1.31B +$113M $61.02 151
2019 Q2 19.9M $1.21B +$175M $60.65 143
2019 Q1 17.7M $1.01B +$168M $56.78 142
2018 Q4 14.9M $628M +$162M $42.25 102
2018 Q3 9.25M $389M -$3.13M $42.08 84
2018 Q2 9.45M $337M +$337M $35.66 75