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

CUSIP: 457730109

Q2 2025 13F Holders as of 30 Jun 2025

Type / Class
Equity / Common Stock, $0.001 par value per share
Shares outstanding
28,838,196
Total 13F shares
33,831,801
Share change
-249,111
Total reported value
$4,392,084,401
Put/Call ratio
109%
Price per share
$129.77
Number of holders
355
Value change
-$58,153,296
Number of buys
174
Number of sells
193

Security key

457730109

Report period

Q2 2025

Institutions

355

Top holders

10

Ownership snapshot

Top shareholders of INSP - Inspire Medical Systems, Inc. - Common Stock, $0.001 par value per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with the largest verified stakes, then open the linked filing trail.

Lead holder
BlackRock, Inc.
13D/G signal
Evidence rows
50
Latest as of
31 Mar 2025
13F Lead comparable stake: 14%
Holder Evidence Ownership % Position 12M Net Δ As of
BlackRock, Inc.
13F
Company
13F
14%
$641,828,196
4,029,559 shares
31 Mar 2025
VANGUARD GROUP INC
13F
Company
13F
11%
$513,780,735
3,225,645 shares
31 Mar 2025
FMR LLC
13F
Company
13F
8.8%
$404,787,824
2,541,360 shares
31 Mar 2025
WASATCH ADVISORS LP
13F
Company
13F
5.3%
$242,759,763
1,524,107 shares
31 Mar 2025
Dragoneer Investment Group, LLC
13F
Company
13F
4.5%
$206,682,206
1,297,603 shares
31 Mar 2025
BAILLIE GIFFORD & CO
13F
Company
13F
4%
$184,725,616
1,159,754 shares
31 Mar 2025
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
13F
Company
13F
3.9%
$177,266,695
1,112,925 shares
31 Mar 2025
STATE STREET CORP
13F
Company
13F
3.5%
$160,563,638
1,008,059 shares
31 Mar 2025
Invesco Ltd.
13F
Company
13F
3%
$136,753,347
858,572 shares
31 Mar 2025
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
13F
Company
13F
2.4%
$110,367,979
692,918 shares
31 Mar 2025
JANUS HENDERSON GROUP PLC
13F
Company
13F
2.2%
$101,063,798
642,760 shares
31 Mar 2025
MACQUARIE GROUP LTD
13F
Company
13F
1.9%
$88,914,000
558,227 shares
31 Mar 2025
GEODE CAPITAL MANAGEMENT, LLC
13F
Company
13F
1.8%
$81,450,957
511,209 shares
31 Mar 2025
UBS Group AG
13F
Company
13F
1.7%
$77,279,311
485,179 shares
31 Mar 2025
TimesSquare Capital Management, LLC
13F
Company
13F
1.7%
$75,851,844
476,217 shares
31 Mar 2025
MORGAN STANLEY
13F
Company
13F
1.5%
$69,943,090
439,118 shares
31 Mar 2025
Champlain Investment Partners, LLC
13F
Company
13F
1.5%
$69,408,171
435,762 shares
31 Mar 2025
FRONTIER CAPITAL MANAGEMENT CO LLC
13F
Company
13F
1.5%
$69,045,870
433,487 shares
31 Mar 2025
BAMCO INC /NY/
13F
Company
13F
1.5%
$67,326,541
422,693 shares
31 Mar 2025
JPMORGAN CHASE & CO
13F
Company
13F
1.4%
$63,666,325
399,713 shares
31 Mar 2025
Bank of New York Mellon Corp
13F
Company
13F
1.3%
$60,567,711
380,260 shares
31 Mar 2025
Artisan Partners Limited Partnership
13F
Company
13F
1.3%
$59,474,196
373,394 shares
31 Mar 2025
BROWN CAPITAL MANAGEMENT LLC
13F
Company
13F
1.2%
$56,120,715
352,340 shares
31 Mar 2025
CONGRESS ASSET MANAGEMENT CO
13F
Company
13F
1.1%
$48,987,360
307,555 shares
31 Mar 2025
Allspring Global Investments Holdings, LLC
13F
Company
13F
1.1%
$48,458,785
306,740 shares
31 Mar 2025
EVENTIDE ASSET MANAGEMENT, LLC
13F
Company
13F
1.1%
$48,784,946
306,301 shares
31 Mar 2025
BRAIDWELL LP
13F
Company
13F
1%
$48,167,865
302,410 shares
31 Mar 2025
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F
Company
13F
1%
$45,855,438
287,892 shares
31 Mar 2025
DIMENSIONAL FUND ADVISORS LP
13F
Company
13F
0.96%
$44,226,201
277,681 shares
31 Mar 2025
NORTHERN TRUST CORP
13F
Company
13F
0.9%
$41,477,627
260,407 shares
31 Mar 2025
AQR CAPITAL MANAGEMENT LLC
13F
Company
13F
0.84%
$37,104,292
242,203 shares
31 Mar 2025
RAYMOND JAMES FINANCIAL INC
13F
Company
13F
0.82%
$37,669,083
236,496 shares
31 Mar 2025
FEDERATED HERMES, INC.
13F
Company
13F
0.79%
$36,368,402
228,330 shares
31 Mar 2025
FRANKLIN RESOURCES INC
13F
Company
13F
0.75%
$34,671,194
217,674 shares
31 Mar 2025
WELLINGTON MANAGEMENT GROUP LLP
13F
Company
13F
0.72%
$33,056,174
207,535 shares
31 Mar 2025
KEYBANK NATIONAL ASSOCIATION/OH
13F
Company
13F
0.7%
$32,026,430
201,070 shares
31 Mar 2025
Connor, Clark & Lunn Investment Management Ltd.
13F
Company
13F
0.68%
$31,248,188
196,184 shares
31 Mar 2025
RENAISSANCE TECHNOLOGIES LLC
13F
Company
13F
0.66%
$30,374,696
190,700 shares
31 Mar 2025
Eversept Partners, LP
13F
Company
13F
0.65%
$29,693,774
186,425 shares
31 Mar 2025
GILDER GAGNON HOWE & CO LLC
13F
Company
13F
0.64%
$29,252,328
183,653 shares
31 Mar 2025
NEW YORK STATE COMMON RETIREMENT FUND
13F
Company
13F
0.63%
$29,108,420
182,750 shares
31 Mar 2025
Amundi
13F
Individual
13F
0.63%
$27,230,421
182,253 shares
31 Mar 2025
SEI INVESTMENTS CO
13F
Company
13F
0.6%
$27,356,529
171,751 shares
31 Mar 2025
VOYA INVESTMENT MANAGEMENT LLC
13F
Company
13F
0.57%
$26,271,007
164,936 shares
31 Mar 2025
NORGES BANK
13F
Company
13F
0.56%
$25,797,148
161,961 shares
31 Mar 2025
Atika Capital Management LLC
13F
Company
13F
0.56%
$25,580,369
160,600 shares
31 Mar 2025
PRINCIPAL FINANCIAL GROUP INC
13F
Company
13F
0.51%
$23,536,487
147,768 shares
31 Mar 2025
THRIVENT FINANCIAL FOR LUTHERANS
13F
Company
13F
0.49%
$22,448,000
140,932 shares
31 Mar 2025
Nuveen, LLC
13F
Company
13F
0.47%
$21,761,152
136,622 shares
31 Mar 2025
LOS ANGELES CAPITAL MANAGEMENT LLC
13F
Company
13F
0.47%
$21,689,795
136,174 shares
31 Mar 2025
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q2 2025

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
355
Shares
33,831,801
Rows loaded
355
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period

Compare Q2 2025 vs Q1 2025 Across Filers

Q1 2025 holders
359
Q2 2025 holders
355
Holder diff
-4
Investor Q1 2025 Shares Q2 2025 Shares Share Diff Share Chg % Q1 2025 Value $ Q2 2025 Value $ Value Diff $ Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
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