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 2020?

237 institutional investors reported INSP - Inspire Medical Systems, Inc. - Common Stock for Q4 2020. Use the holders table for investor-level position and value details.

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

CUSIP: 457730109

Q4 2020 13F Holders as of 31 Dec 2020

Type / Class: Equity / Common Stock
Shares outstanding: 29,289,833
Total 13F shares: 25,155,650
Share change: -1,053,099
Total reported value: $4,731,720,287
Put/Call ratio: 100%
Price per share: $188.09
Number of holders: 237
Value change: -$140,415,322
Number of buys: 116
Number of sells: 110

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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Related Filing Research

Latest 13F filings for newly reported positions.
Latest Schedule 13D/13G reports for ownership changes outside 13F cadence.
Latest 10-Q/10-K reports for financial context tied to this issuer.
Recent insider transactions for executive and insider activity.
SEC investors directory and top value investors for manager drilldown.
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Explore More Reporting Periods

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

Newer quarter: Q1 2021
Previous quarter: Q3 2020

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
FMR LLC	13F	Company	14%	4,020,007	$518,781,000	—	30 Sep 2020	13F
BlackRock Finance, Inc.	13F	Company	6.5%	1,902,151	$245,473,000	—	30 Sep 2020	13F
VANGUARD GROUP INC	13F	Company	6.2%	1,808,083	$233,333,000	—	30 Sep 2020	13F
WASATCH ADVISORS LP	13F	Company	3.9%	1,133,838	$146,322,000	—	30 Sep 2020	13F
FRANKLIN RESOURCES INC	13F	Company	3.8%	1,106,971	$142,855,000	—	30 Sep 2020	13F
GILDER GAGNON HOWE & CO LLC	13F	Company	3.4%	998,964	$128,916,000	—	30 Sep 2020	13F
Invesco Ltd.	13F	Company	3.2%	944,996	$121,952,000	—	30 Sep 2020	13F
Champlain Investment Partners, LLC	13F	Company	3%	887,450	$114,525,000	—	30 Sep 2020	13F
LORD, ABBETT & CO. LLC	13F	Company	2.3%	670,179	$86,487,000	—	30 Sep 2020	13F
12 West Capital Management LP	13F	Company	2%	577,452	$74,520,000	—	30 Sep 2020	13F
D. E. Shaw & Co., Inc.	13F	Company	2%	571,413	$73,741,000	—	30 Sep 2020	13F
VICTORY CAPITAL MANAGEMENT INC	13F	Company	1.9%	547,111	$70,605,000	—	30 Sep 2020	13F
STATE STREET CORP	13F	Company	1.7%	504,917	$65,160,000	—	30 Sep 2020	13F
FEDERATED HERMES, INC.	13F	Company	1.5%	432,675	$55,837,000	—	30 Sep 2020	13F
COLUMBUS CIRCLE INVESTORS	13F	Company	1.5%	426,630	$55,057,000	—	30 Sep 2020	13F
CREDIT SUISSE AG/	13F	Company	1.4%	419,881	$54,184,000	—	30 Sep 2020	13F
LOOMIS SAYLES & CO L P	13F	Company	1.4%	395,653	$51,059,000	—	30 Sep 2020	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	1.3%	376,369	$48,570,000	—	30 Sep 2020	13F
BAMCO INC /NY/	13F	Company	1.3%	373,935	$48,256,000	—	30 Sep 2020	13F
NORTHERN TRUST CORP	13F	Company	1.2%	363,246	$46,877,000	—	30 Sep 2020	13F
TimesSquare Capital Management, LLC	13F	Company	1.2%	354,610	$45,762,000	—	30 Sep 2020	13F
DRIEHAUS CAPITAL MANAGEMENT LLC	13F	Company	1.1%	316,368	$40,827,000	—	30 Sep 2020	13F
EAGLE ASSET MANAGEMENT INC	13F	Company	0.95%	277,381	$36,040,000	—	30 Sep 2020	13F
Bellevue Group AG	13F	Company	0.93%	272,983	$35,228,000	—	30 Sep 2020	13F
PURA VIDA INVESTMENTS, LLC	13F	Company	0.89%	259,806	$33,528,000	—	30 Sep 2020	13F
Atika Capital Management LLC	13F	Company	0.88%	258,000	$33,294,000	—	30 Sep 2020	13F
MORGAN STANLEY	13F	Company	0.83%	243,603	$31,437,000	—	30 Sep 2020	13F
NORGES BANK	13F	Company	0.83%	243,178	$31,382,000	—	30 Sep 2020	13F
Rock Springs Capital Management LP	13F	Company	0.81%	236,000	$30,456,000	—	30 Sep 2020	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.76%	222,771	$28,749,000	—	30 Sep 2020	13F
JENNISON ASSOCIATES LLC	13F	Company	0.75%	220,968	$28,516,000	—	30 Sep 2020	13F
Miura Global Management, LLC	13F	Company	0.72%	210,000	$27,101,000	—	30 Sep 2020	13F
Artisan Partners Limited Partnership	13F	Company	0.69%	200,825	$25,916,000	—	30 Sep 2020	13F
CARILLON TOWER ADVISERS, INC.	13F	Company	0.68%	200,163	$25,831,000	—	30 Sep 2020	13F
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	13F	Company	0.63%	185,562	$23,946,777	—	30 Sep 2020	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.59%	173,853	$22,436,000	—	30 Sep 2020	13F
THRIVENT FINANCIAL FOR LUTHERANS	13F	Company	0.55%	162,030	$20,910,000	—	30 Sep 2020	13F
Granite Investment Partners, LLC	13F	Company	0.54%	158,109	$20,404,000	—	30 Sep 2020	13F
Nuveen Asset Management, LLC	13F	Company	0.45%	131,768	$17,004,000	—	30 Sep 2020	13F
BANK OF AMERICA CORP /DE/	13F	Company	0.43%	125,290	$16,168,000	—	30 Sep 2020	13F
Cormorant Asset Management, LP	13F	Company	0.41%	120,000	$15,486,000	—	30 Sep 2020	13F
Bank of New York Mellon Corp	13F	Company	0.4%	118,486	$15,292,000	—	30 Sep 2020	13F
ADAGE CAPITAL PARTNERS GP, L.L.C.	13F	Company	0.39%	115,000	$14,841,000	—	30 Sep 2020	13F
FRONTIER CAPITAL MANAGEMENT CO LLC	13F	Company	0.37%	107,022	$13,811,000	—	30 Sep 2020	13F
Nicholas Investment Partners, LP	13F	Company	0.36%	106,113	$13,694,000	—	30 Sep 2020	13F
BRIDGER MANAGEMENT, LLC	13F	Company	0.36%	105,411	$13,603,000	—	30 Sep 2020	13F
MASSACHUSETTS FINANCIAL SERVICES CO /MA/	13F	Company	0.36%	105,285	$13,587,000	—	30 Sep 2020	13F
MACQUARIE GROUP LTD	13F	Company	0.34%	99,736	$12,871,000	—	30 Sep 2020	13F
OAK RIDGE INVESTMENTS LLC	13F	Company	0.32%	93,694	$12,091,000	—	30 Sep 2020	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	0.29%	86,100	$11,111,000	—	30 Sep 2020	13F

Institutional Holders of Inspire Medical Systems, Inc. - Common Stock (INSP) as of Q4 2020

As of 31 Dec 2020, Inspire Medical Systems, Inc. - Common Stock (INSP) was held by 237 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 25,155,650 shares. The largest 10 holders included FMR LLC, VANGUARD GROUP INC, BlackRock Inc., FRANKLIN RESOURCES INC, Invesco Ltd., GILDER GAGNON HOWE & CO LLC, FRED ALGER MANAGEMENT, LLC, WASATCH ADVISORS INC, CREDIT SUISSE AG/, and LORD, ABBETT & CO. LLC. This page lists 237 institutional shareholders reporting positions in this security for the Q4 2020 filing period.

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

Compare Q4 2020 vs Q3 2020 Across Filers

Q3 2020 holders

201

Q4 2020 holders

237

Holder diff

Investor	Q3 2020 Shares	Q4 2020 Shares	Share Diff	Share Chg %	Q3 2020 Value $	Q4 2020 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.