Security key
457730109
Inspire Medical Systems, Inc. - Common Stock, $0.001 par value per share (INSP)
CUSIP: 457730109
Q1 2023 13F Holders as of 31 Mar 2023
- Security type / class
- Equity / Common Stock, $0.001 par value per share
- 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
- 28,838,196
Holder snapshot
7 signals
Show 1 more signal
Security identity
1 source field
Report period
Q1 2023
Institutions
368
Top holders
10
INSP full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2023
Previous quarter: Q4 2022
Inspire Medical Systems, Inc. SEC filings
Inspire Medical Systems, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 457730109
Recent filing periods:
Ownership snapshot
Top reported holders 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 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.
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
|
10%
|
$750,197,125
2,978,391 shares
|
— | 31 Dec 2022 |
| BlackRock Finance, Inc. |
13F
Company
|
7.4%
|
$537,954,222
2,135,756 shares
|
— | 31 Dec 2022 |
| FMR LLC |
13F
Company
|
4.4%
|
$321,736,399
1,277,340 shares
|
— | 31 Dec 2022 |
| FRANKLIN RESOURCES INC |
13F
Company
|
3.7%
|
$270,569,748
1,074,201 shares
|
— | 31 Dec 2022 |
| MACQUARIE GROUP LTD |
13F
Company
|
3.7%
|
$267,162,000
1,060,672 shares
|
— | 31 Dec 2022 |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC |
13F
Company
|
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
Shares
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 Q4 2022 Across Filers
Q4 2022 holders
333
Q1 2023 holders
368
Holder diff
35
| Investor | Q4 2022 Shares | Q1 2023 Shares | Share Diff | Share Chg % | Q4 2022 value | Q1 2023 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend