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 Q1 2023?

368 institutional investors reported INSP - Inspire Medical Systems, Inc. - Common Stock for Q1 2023. Use the holders table for investor-level position and value details.

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

CUSIP: 457730109

Q1 2023 13F Holders as of 31 Mar 2023

Security type / class: Equity / Common Stock
Total 13F shares: 28,513,136
Total 13F value: $6,673,582,259
Share change: +290,037
Put/Call ratio: 95%
SEC-reported price per share: $234.07
Number of holders: 368
Value change: +$65,144,358
Number of buys: 211
Number of sells: 127
Shares outstanding: 28,848,250

Security key

457730109

Report period

Q1 2023

Institutions

368

Top holders

INSP full security history Ownership snapshot Full 13F holder table Inspire Medical Systems, Inc. SEC filings Inspire Medical Systems, Inc. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Ownership snapshot

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

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

VANGUARD GROUP INC

Disclosed value leader

VANGUARD GROUP INC

Comparable rows

15/15

Latest evidence

31 Dec 2022

13F Lead comparable stake: 10% Showing 1-6 of 15 holder rows.

Quick read

VANGUARD GROUP INC leads the comparable SEC ownership view at 10%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens VANGUARD GROUP INC's linked filing trail.

Comparable ownership Top 5

VANGUARD GROUP INC 10%

BlackRock Finance, Inc. 7.4%

FMR LLC 4.4%

FRANKLIN RESOURCES INC 3.7%

MACQUARIE GROUP LTD 3.7%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
VANGUARD GROUP INC	13F Company 13F	10%	$750,197,125 2,978,391 shares	—	31 Dec 2022
BlackRock Finance, Inc.	13F Company 13F	7.4%	$537,954,222 2,135,756 shares	—	31 Dec 2022
FMR LLC	13F Company 13F	4.4%	$321,736,399 1,277,340 shares	—	31 Dec 2022
FRANKLIN RESOURCES INC	13F Company 13F	3.7%	$270,569,748 1,074,201 shares	—	31 Dec 2022
MACQUARIE GROUP LTD	13F Company 13F	3.7%	$267,162,000 1,060,672 shares	—	31 Dec 2022
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC	13F Company 13F	2.9%	$209,922,585 833,423 shares	—	31 Dec 2022

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 Q1 2023

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

Institutions

368

28,513,136

Rows available

368

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q1 2023 vs Q1 2023 Across Filers

Q1 2023 holders

368

Q1 2023 holders

368

Holder diff

Investor	Q1 2023 Shares	Q1 2023 Shares	Share Diff	Share Chg %	Q1 2023 value	Q1 2023 value	Value change	Value Chg %