What does CUSIP 457730109 represent in this 13F holders report?

CUSIP 457730109 is the security identifier for INSP - Inspire Medical Systems, Inc. - Common Stock used to aggregate holder disclosures.

How many institutions held INSP - Inspire Medical Systems, Inc. - Common Stock in Q4 2021?

283 institutional investors reported INSP - Inspire Medical Systems, Inc. - Common Stock for Q4 2021. Use the holders table for investor-level position and value details.

Inspire Medical Systems, Inc. - Common Stock (INSP)

CUSIP: 457730109

Q4 2021 13F Holders as of 31 Dec 2021

Type / Class: Equity / Common Stock
Shares outstanding: 29,289,833
Total 13F shares: 25,849,229
Share change: +336,326
Total reported value: $5,947,709,044
Put/Call ratio: 83%
Price per share: $230.06
Number of holders: 283
Value change: +$76,974,096
Number of buys: 124
Number of sells: 109

Quarterly Holders Quick Answers

What is CUSIP 457730109?
CUSIP 457730109 identifies INSP - Inspire Medical Systems, Inc. - Common Stock in SEC institutional holdings data.

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Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q1 2022
Previous quarter: Q3 2021

Recent filing periods for CUSIP 457730109:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

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

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
VANGUARD GROUP INC	13F	Company	8.6%	2,505,605	$583,506,000	—	30 Sep 2021	13F
BlackRock Finance, Inc.	13F	Company	6.2%	1,807,645	$420,965,000	—	30 Sep 2021	13F
FMR LLC	13F	Company	5.8%	1,710,235	$398,280,000	—	30 Sep 2021	13F
FRED ALGER MANAGEMENT, LLC	13F	Company	3.9%	1,143,341	$266,261,000	—	30 Sep 2021	13F
FRANKLIN RESOURCES INC	13F	Company	3.8%	1,103,086	$256,886,000	—	30 Sep 2021	13F
MACQUARIE GROUP LTD	13F	Company	3.7%	1,072,771	$249,827,000	—	30 Sep 2021	13F
Invesco Ltd.	13F	Company	3.1%	905,207	$210,804,000	—	30 Sep 2021	13F
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC	13F	Company	3.1%	895,976	$208,655,000	—	30 Sep 2021	13F
GILDER GAGNON HOWE & CO LLC	13F	Company	2.7%	797,252	$185,664,000	—	30 Sep 2021	13F
WASATCH ADVISORS LP	13F	Company	2.5%	727,142	$169,337,000	—	30 Sep 2021	13F
CREDIT SUISSE AG/	13F	Company	2.4%	693,754	$161,561,000	—	30 Sep 2021	13F
Champlain Investment Partners, LLC	13F	Company	2.3%	669,380	$155,885,000	—	30 Sep 2021	13F
STATE STREET CORP	13F	Company	1.8%	518,903	$120,842,000	—	30 Sep 2021	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	1.5%	445,361	$103,715,000	—	30 Sep 2021	13F
WELLINGTON MANAGEMENT GROUP LLP	13F	Company	1.5%	444,525	$103,520,000	—	30 Sep 2021	13F
Bellevue Group AG	13F	Company	1.4%	421,058	$98,056,000	—	30 Sep 2021	13F
LORD, ABBETT & CO. LLC	13F	Company	1.4%	398,371	$92,772,000	—	30 Sep 2021	13F
BAMCO INC /NY/	13F	Company	1.3%	390,175	$90,864,000	—	30 Sep 2021	13F
MARSHALL WACE, LLP	13F	Company	1.3%	366,149	$85,268,000	—	30 Sep 2021	13F
FEDERATED HERMES, INC.	13F	Company	1.2%	340,881	$79,384,000	—	30 Sep 2021	13F
NORTHERN TRUST CORP	13F	Company	1.1%	326,810	$76,107,000	—	30 Sep 2021	13F
VICTORY CAPITAL MANAGEMENT INC	13F	Company	1.1%	321,946	$74,975,000	—	30 Sep 2021	13F
Marshall Wace North America L.P.	13F	Company	1.1%	320,657	$74,675,000	—	30 Sep 2021	13F
D. E. Shaw & Co., Inc.	13F	Company	1.1%	314,046	$73,135,000	—	30 Sep 2021	13F
MORGAN STANLEY	13F	Company	0.92%	269,849	$62,842,000	—	30 Sep 2021	13F
LOOMIS SAYLES & CO L P	13F	Company	0.9%	263,103	$61,272,000	—	30 Sep 2021	13F
FRONTIER CAPITAL MANAGEMENT CO LLC	13F	Company	0.9%	262,722	$61,183,000	—	30 Sep 2021	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	0.79%	230,463	$53,670,000	—	30 Sep 2021	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.79%	230,170	$53,601,000	—	30 Sep 2021	13F
PURA VIDA INVESTMENTS, LLC	13F	Company	0.7%	204,510	$47,626,000	—	30 Sep 2021	13F
DRIEHAUS CAPITAL MANAGEMENT LLC	13F	Company	0.68%	199,344	$46,423,000	—	30 Sep 2021	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.68%	198,484	$46,223,000	—	30 Sep 2021	13F
NORGES BANK	13F	Company	0.67%	196,066	$45,660,000	—	30 Sep 2021	13F
EAGLE ASSET MANAGEMENT INC	13F	Company	0.62%	180,876	$42,122,000	—	30 Sep 2021	13F
Artisan Partners Limited Partnership	13F	Company	0.59%	172,806	$40,243,000	—	30 Sep 2021	13F
MAIRS & POWER INC	13F	Company	0.59%	172,203	$40,103,000	—	30 Sep 2021	13F
TimesSquare Capital Management, LLC	13F	Company	0.56%	164,975	$38,419,000	—	30 Sep 2021	13F
JENNISON ASSOCIATES LLC	13F	Company	0.54%	158,445	$36,899,000	—	30 Sep 2021	13F
Atika Capital Management LLC	13F	Company	0.48%	140,100	$32,626,000	—	30 Sep 2021	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.47%	137,887	$32,111,000	—	30 Sep 2021	13F
AMERIPRISE FINANCIAL INC	13F	Company	0.45%	131,238	$30,563,000	—	30 Sep 2021	13F
THRIVENT FINANCIAL FOR LUTHERANS	13F	Company	0.44%	127,973	$29,802,000	—	30 Sep 2021	13F
Bank of New York Mellon Corp	13F	Company	0.44%	127,530	$29,699,000	—	30 Sep 2021	13F
Granite Investment Partners, LLC	13F	Company	0.43%	125,345	$29,190,000	—	30 Sep 2021	13F
Nuveen Asset Management, LLC	13F	Company	0.4%	118,583	$27,616,000	—	30 Sep 2021	13F
Amundi	13F	Individual	0.39%	115,108	$26,807,000	—	30 Sep 2021	13F
BANK OF AMERICA CORP /DE/	13F	Company	0.39%	114,117	$26,576,000	—	30 Sep 2021	13F
Miura Global Management, LLC	13F	Company	0.36%	105,500	$24,569,000	—	30 Sep 2021	13F
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	13F	Company	0.36%	104,178	$24,260,972	—	30 Sep 2021	13F
Point72 Asset Management, L.P.	13F	Company	0.31%	91,945	$21,412,000	—	30 Sep 2021	13F

Institutional Holders of Inspire Medical Systems, Inc. - Common Stock (INSP) as of Q4 2021

As of 31 Dec 2021, Inspire Medical Systems, Inc. - Common Stock (INSP) was held by 283 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 25,849,229 shares. The largest 10 holders included VANGUARD GROUP INC, BlackRock Inc., FMR LLC, MACQUARIE GROUP LTD, FRANKLIN RESOURCES INC, FRED ALGER MANAGEMENT, LLC, WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC, Invesco Ltd., GILDER GAGNON HOWE & CO LLC, and WASATCH ADVISORS INC. This page lists 284 institutional shareholders reporting positions in this security for the Q4 2021 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q4 2021 vs Q3 2021 Across Filers

Q3 2021 holders

247

Q4 2021 holders

283

Holder diff

Investor	Q3 2021 Shares	Q4 2021 Shares	Share Diff	Share Chg %	Q3 2021 Value $	Q4 2021 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.