Security key
457669307
INSMED Inc - Common Stock, par value $0.01 per share (INSM)
CUSIP: 457669307
Q4 2021 13F Holders as of 31 Dec 2021
- Security type / class
- Equity / Common Stock, par value $0.01 per share
- Total 13F shares
- 123,318,469
- Total 13F value
- $3,358,792,092
- Share change
- -784,219
- Put/Call ratio
- 65%
- SEC-reported price per share
- $27.24
- Number of holders
- 201
- Value change
- -$21,477,249
- Number of buys
- 98
- Number of sells
- 81
- Shares outstanding
- 215,451,077
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q4 2021
Institutions
201
Top holders
10
INSM full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q1 2022
Previous quarter: Q3 2021
INSMED Inc SEC filings
INSMED Inc company facts
Broader feeds
Reporting periods
Holder history for CUSIP 457669307
Recent filing periods:
Ownership snapshot
Top reported holders of INSM - INSMED Inc - Common Stock, par value $0.01 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
PRICE T ROWE ASSOCIATES I...
Disclosed value leader
PRICE T ROWE ASSOCIATES I...
Comparable rows
15/15
Latest evidence
30 Sep 2021
13F
Lead comparable stake: 6.8%
Showing 1-6 of 15 holder rows.
Quick read
PRICE T ROWE ASSOCIATES INC /MD/ leads the comparable SEC ownership view at 6.8%.
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 PRICE T ROWE ASSOCIATES INC /MD/'s linked filing trail.
Comparable ownership
Top 5
PRICE T ROWE ASSOCIATES INC /MD/
6.8%
VANGUARD GROUP INC
5%
BlackRock Finance, Inc.
4.3%
JANUS HENDERSON GROUP PLC
3.7%
Palo Alto Investors LP
2.8%
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 |
|---|---|---|---|---|---|
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
Company
|
6.8%
|
$405,951,000
14,740,432 shares
|
— | 30 Sep 2021 |
| VANGUARD GROUP INC |
13F
Company
|
5%
|
$298,346,000
10,833,201 shares
|
— | 30 Sep 2021 |
| BlackRock Finance, Inc. |
13F
Company
|
4.3%
|
$253,666,000
9,210,873 shares
|
— | 30 Sep 2021 |
| JANUS HENDERSON GROUP PLC |
13F
Company
|
3.7%
|
$219,985,000
7,987,899 shares
|
— | 30 Sep 2021 |
| Palo Alto Investors LP |
13F
Company
|
2.8%
|
$165,766,000
6,019,106 shares
|
— | 30 Sep 2021 |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC |
13F
Company
|
2.3%
|
$137,040,000
4,976,041 shares
|
— | 30 Sep 2021 |
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 Q4 2021
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
201
Shares
123,318,469
Rows available
201
| 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 Q4 2021 vs Q3 2021 Across Filers
Q3 2021 holders
184
Q4 2021 holders
201
Holder diff
17
| Investor | Q3 2021 Shares | Q4 2021 Shares | Share Diff | Share Chg % | Q3 2021 value | Q4 2021 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend