Security key
457669307
INSMED Inc - Common stock, par value $0.01 per share (INSM)
CUSIP: 457669307
Q4 2024 13F Holders as of 31 Dec 2024
- Security type / class
- Equity / Common stock, par value $0.01 per share
- Total 13F shares
- 192,544,545
- Total 13F value
- $13,293,875,240
- Share change
- +3,729,481
- Put/Call ratio
- 82%
- SEC-reported price per share
- $69.04
- Number of holders
- 434
- Value change
- +$244,780,319
- Number of buys
- 226
- Number of sells
- 186
- Shares outstanding
- 220,545,149
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 2024
Institutions
434
Top holders
10
INSM full security history
Ownership snapshot
Full 13F holder table
INSMED Inc SEC filings
INSMED Inc company facts
Broader feeds
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
VANGUARD GROUP INC
Disclosed value leader
VANGUARD GROUP INC
Comparable rows
15/15
Latest evidence
30 Sep 2024
13F
Lead comparable stake: 7.8%
Showing 1-6 of 15 holder rows.
Quick read
VANGUARD GROUP INC leads the comparable SEC ownership view at 7.8%.
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 VANGUARD GROUP INC's linked filing trail.
Comparable ownership
Top 5
VANGUARD GROUP INC
7.8%
BlackRock, Inc.
6.8%
PRICE T ROWE ASSOCIATES INC /MD/
5.7%
Darwin Global Management, Ltd.
4.8%
FMR LLC
3.3%
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
|
7.8%
|
$1,251,451,921
17,143,177 shares
|
— | 30 Sep 2024 |
| BlackRock, Inc. |
13F
Company
|
6.8%
|
$1,092,821,096
14,970,152 shares
|
— | 30 Sep 2024 |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
Company
|
5.7%
|
$918,413,000
12,580,981 shares
|
— | 30 Sep 2024 |
| Darwin Global Management, Ltd. |
13F
Company
|
4.8%
|
$766,301,221
10,497,277 shares
|
— | 30 Sep 2024 |
| FMR LLC |
13F
Company
|
3.3%
|
$524,980,821
7,191,518 shares
|
— | 30 Sep 2024 |
| Capital International Investors |
13F
Company
|
3%
|
$476,236,743
6,523,791 shares
|
— | 30 Sep 2024 |
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 2024
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
434
Shares
192,544,545
Rows available
434
| 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 2024 vs Q3 2024 Across Filers
Q3 2024 holders
411
Q4 2024 holders
434
Holder diff
23
| Investor | Q3 2024 Shares | Q4 2024 Shares | Share Diff | Share Chg % | Q3 2024 value | Q4 2024 value | Value change | Value Chg % |
|---|