WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
Position in INSP — Inspire Medical Systems, Inc.
CIK 1644956
CHICAGO, IL
Position in INSP
as of Mar 31, 2026
· filed May 8, 2026
Position Value
$58,666,266
-$48,439,049 QoQ
Shares Held
1,137,384
-2.1% QoQ
Ownership
3.93%
of shares outstanding
% of Portfolio
0.20%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2020
22 quarters on record
Voting authority
Sole 92%
Shared 0%
None 8%
Common Shares in INSP Over Time
Shares Held
Position Value (USD)
Position in Medical Devices
Healthcare · as of Jun 30, 2026WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC holds $352,681,379 across 9 Medical Devices names.
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | GMED |
Globus Medical Inc
|
1,284,896 | $101,519,632 | |
| 2 | GKOS |
GLAUKOS Corp
|
661,675 | $92,475,698 | |
| 3 | ESTA |
Establishment Labs Holdings Inc.
|
714,051 | $61,272,716 | |
| 4 | ITGR |
Integer Holdings Corp
|
378,706 | $35,390,075 | |
| 5 | HAE |
Haemonetics Corp
|
332,075 | $24,905,625 | |
| 6 | PRCT |
PROCEPT BioRobotics Corp
|
709,484 | $16,020,148 | |
| 7 | DXCM |
Dexcom Inc
|
173,453 | $11,682,059 | |
| 8 | LIVN |
LivaNova PLC
|
90,431 | $7,436,141 |
All Filings in INSP
Export CSV
22 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $58,666,266 | 1,137,384 | Shares | Sole | 2026-05-08 | |
| 2025-12-31 | $107,105,315 | 1,161,285 | Shares | Sole | 2026-02-09 | |
| 2025-09-30 | $96,279,916 | 1,297,573 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $99,815,061 | 769,169 | Shares | Sole | 2025-07-29 | |
| 2025-03-31 | $110,367,979 | 692,918 | Shares | Sole | 2025-05-09 | |
| 2024-12-31 | $167,326,027 | 902,611 | Shares | Sole | 2025-02-10 | |
| 2024-09-30 | $191,284,956 | 906,349 | Shares | Sole | 2024-11-08 | |
| 2024-06-30 | $103,104,371 | 770,413 | Shares | Sole | 2024-08-08 | |
| 2024-03-31 | $162,555,434 | 756,811 | Shares | Sole | 2024-05-08 | |
| 2023-12-31 | $164,157,228 | 806,947 | Shares | Sole | 2024-02-09 | |
| 2023-09-30 | $137,746,133 | 694,145 | Shares | Sole | 2023-11-09 | |
| 2023-06-30 | $271,451,631 | 836,162 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $195,844,028 | 836,690 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $209,922,585 | 833,423 | Shares | Sole | 2023-02-09 | |
| 2022-09-30 | $116,818,010 | 658,612 | Shares | Sole | 2022-11-09 | |
| 2022-06-30 | $121,364,303 | 664,391 | Shares | Sole | 2022-08-10 | |
| 2022-03-31 | $193,566,078 | 754,085 | Shares | Sole | 2022-05-11 | |
| 2021-12-31 | $203,416,981 | 884,191 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $208,654,890 | 895,976 | Shares | Sole | 2021-11-10 | |
| 2021-06-30 | $147,162,658 | 761,475 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $133,132,035 | 643,181 | Shares | Sole | 2021-05-13 | |
| 2020-12-31 | $99,326,755 | 528,081 | Shares | Sole | 2021-02-09 | |
| No filing history on record for this holder in this stock. | ||||||