- Type / Class
- Equity / COMMON STOCK
- Shares outstanding
- 215,494,533
- Total 13F shares
- 210,375,071
- Share change
- +12,287,401
- Total reported value
- $21,148,644,502
- Put/Call ratio
- 122%
- Price per share
- $100.64
- Number of holders
- 513
- Value change
- +$1,358,877,009
- Number of buys
- 295
- Number of sells
- 238
Quarterly Holders Quick Answers
What is CUSIP 457669307?
CUSIP 457669307 identifies INSM - INSMED Inc - COMMON STOCK in SEC institutional holdings data.
Need full ownership history?
Open the full security ownership history page.
Next holder-history checks
These links keep the next click tied to holder verification, nearby quarters, or outside-13F ownership context.
- Back to full security ownership history for the broader multi-quarter picture.
- Latest 13F filings for newly reported positions across managers.
- Latest Schedule 13D/13G reports for ownership changes outside the 13F cadence.
- SEC investors directory for manager drilldown.
Explore More Reporting Periods
Jump to adjacent filing periods for faster comparison and easier crawl discovery.
Recent filing periods for CUSIP 457669307:
Top shareholders of INSM - INSMED 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 |
|---|---|---|---|---|---|---|---|---|
| VANGUARD GROUP INC |
13F
|
Company |
8.5%
|
18,268,122
|
$1,393,675,028 | — | 31 Mar 2025 | |
| BlackRock, Inc. |
13F
|
Company |
7.4%
|
16,048,882
|
$1,224,369,208 | — | 31 Mar 2025 | |
| Darwin Global Management, Ltd. |
13F
|
Company |
7.1%
|
15,397,975
|
$1,200,888,070 | — | 31 Mar 2025 | |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
|
Company |
6%
|
12,923,541
|
$985,938,000 | — | 31 Mar 2025 | |
| Capital International Investors |
13F
|
Company |
3.3%
|
7,198,485
|
$549,172,421 | — | 31 Mar 2025 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
2.9%
|
6,354,022
|
$484,748,355 | — | 31 Mar 2025 | |
| STATE STREET CORP |
13F
|
Company |
2.7%
|
5,747,293
|
$438,460,983 | — | 31 Mar 2025 | |
| BAKER BROS. ADVISORS LP |
13F
|
Company |
2.5%
|
5,380,626
|
$410,487,958 | — | 31 Mar 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
2%
|
4,288,735
|
$327,261,543 | — | 31 Mar 2025 | |
| ADAGE CAPITAL PARTNERS GP, L.L.C. |
13F
|
Company |
1.6%
|
3,446,944
|
$262,967,358 | — | 31 Mar 2025 | |
| FMR LLC |
13F
|
Company |
1.6%
|
3,394,384
|
$258,957,551 | — | 31 Mar 2025 | |
| Artisan Partners Limited Partnership |
13F
|
Company |
1.5%
|
3,217,268
|
$245,445,376 | — | 31 Mar 2025 | |
| RTW INVESTMENTS, LP |
13F
|
Company |
1.4%
|
3,014,558
|
$229,980,630 | — | 31 Mar 2025 | |
| AMERIPRISE FINANCIAL INC |
13F
|
Company |
1.4%
|
2,951,622
|
$225,165,920 | — | 31 Mar 2025 | |
| ALLIANCEBERNSTEIN L.P. |
13F
|
Company |
1.1%
|
2,423,513
|
$184,889,807 | — | 31 Mar 2025 | |
| FIL Ltd |
13F
|
Company |
1.1%
|
2,390,201
|
$182,348,434 | — | 31 Mar 2025 | |
| MACQUARIE GROUP LTD |
13F
|
Company |
1.1%
|
2,362,105
|
$180,205,000 | — | 31 Mar 2025 | |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC |
13F
|
Company |
1.1%
|
2,313,217
|
$176,475,325 | — | 31 Mar 2025 | |
| FRANKLIN RESOURCES INC |
13F
|
Company |
1%
|
2,148,284
|
$163,892,620 | — | 31 Mar 2025 | |
| Holocene Advisors, LP |
13F
|
Company |
0.94%
|
2,026,422
|
$154,595,734 | — | 31 Mar 2025 | |
| Pictet Asset Management Holding SA |
13F
|
Company |
0.93%
|
2,013,329
|
$153,853,350 | — | 31 Mar 2025 | |
| Clearbridge Investments, LLC |
13F
|
Company |
0.85%
|
1,828,728
|
$139,513,631 | — | 31 Mar 2025 | |
| Invesco Ltd. |
13F
|
Company |
0.83%
|
1,791,324
|
$136,660,074 | — | 31 Mar 2025 | |
| PRINCIPAL FINANCIAL GROUP INC |
13F
|
Company |
0.81%
|
1,755,373
|
$133,917,407 | — | 31 Mar 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.78%
|
1,683,838
|
$128,460,000 | — | 31 Mar 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.74%
|
1,602,655
|
$122,266,550 | — | 31 Mar 2025 | |
| JANUS HENDERSON GROUP PLC |
13F
|
Company |
0.72%
|
1,545,419
|
$120,528,826 | — | 31 Mar 2025 | |
| Hood River Capital Management LLC |
13F
|
Company |
0.72%
|
1,558,286
|
$118,881,639 | — | 31 Mar 2025 | |
| Integral Health Asset Management, LLC |
13F
|
Company |
0.72%
|
1,550,000
|
$118,249,500 | — | 31 Mar 2025 | |
| SUVRETTA CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.69%
|
1,492,383
|
$113,853,899 | — | 31 Mar 2025 | |
| T. Rowe Price Investment Management, Inc. |
13F
|
Company |
0.69%
|
1,476,948
|
$112,677,000 | — | 31 Mar 2025 | |
| WESTFIELD CAPITAL MANAGEMENT CO LP |
13F
|
Company |
0.65%
|
1,406,609
|
$107,310,201 | — | 31 Mar 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.65%
|
1,402,621
|
$107,005,957 | — | 31 Mar 2025 | |
| GW&K Investment Management, LLC |
13F
|
Company |
0.64%
|
1,377,726
|
$105,107,000 | — | 31 Mar 2025 | |
| Duquesne Family Office LLC |
13F
|
Company |
0.64%
|
1,369,050
|
$104,445,000 | — | 31 Mar 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0.63%
|
1,352,999
|
$103,220,292 | — | 31 Mar 2025 | |
| LORD, ABBETT & CO. LLC |
13F
|
Company |
0.63%
|
1,350,587
|
$103,036,000 | — | 31 Mar 2025 | |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
|
Company |
0.57%
|
1,222,627
|
$93,274,214 | — | 31 Mar 2025 | |
| EVENTIDE ASSET MANAGEMENT, LLC |
13F
|
Company |
0.55%
|
1,181,675
|
$90,155,759 | — | 31 Mar 2025 | |
| Nuveen, LLC |
13F
|
Company |
0.54%
|
1,158,094
|
$88,350,991 | — | 31 Mar 2025 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.54%
|
1,156,750
|
$88,248,450 | — | 31 Mar 2025 | |
| Vestal Point Capital, LP |
13F
|
Company |
0.5%
|
1,075,000
|
$82,011,750 | — | 31 Mar 2025 | |
| TimesSquare Capital Management, LLC |
13F
|
Company |
0.49%
|
1,064,148
|
$81,183,851 | — | 31 Mar 2025 | |
| MORGAN STANLEY |
13F
|
Company |
0.49%
|
1,059,656
|
$80,841,300 | — | 31 Mar 2025 | |
| LOOMIS SAYLES & CO L P |
13F
|
Company |
0.47%
|
1,009,466
|
$77,012,000 | — | 31 Mar 2025 | |
| Palo Alto Investors LP |
13F
|
Company |
0.46%
|
987,153
|
$75,309,902 | — | 31 Mar 2025 | |
| AMERICAN CENTURY COMPANIES INC |
13F
|
Company |
0.4%
|
872,123
|
$66,534,413 | — | 31 Mar 2025 | |
| JENNISON ASSOCIATES LLC |
13F
|
Company |
0.35%
|
748,313
|
$57,088,799 | — | 31 Mar 2025 | |
| Alyeska Investment Group, L.P. |
13F
|
Company |
0.34%
|
735,000
|
$56,073,150 | — | 31 Mar 2025 | |
| D. E. Shaw & Co., Inc. |
13F
|
Company |
0.34%
|
734,880
|
$56,063,995 | — | 31 Mar 2025 |
Institutional Holders of INSMED Inc - COMMON STOCK (INSM) as of Q2 2025
As of 30 Jun 2025,
INSMED Inc - COMMON STOCK (INSM) was held by
513 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
210,375,071 shares.
The largest 10 holders included
Darwin Global Management, Ltd., VANGUARD GROUP INC, JPMORGAN CHASE & CO, PRICE T ROWE ASSOCIATES INC /MD/, BlackRock, Inc., BAKER BROS. ADVISORS LP, Capital International Investors, FMR LLC, STATE STREET CORP, and D. E. Shaw & Co., Inc..
This page lists
514
institutional shareholders reporting positions in this security
for the Q2 2025 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q2 2025 vs Q1 2025 Across Filers
Q1 2025 holders
436
Q2 2025 holders
513
Holder diff
77
| Investor | Q1 2025 Shares | Q2 2025 Shares | Share Diff | Share Chg % | Q1 2025 Value $ | Q2 2025 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.
An asterisk sign (*) next to the price indicates that the price is likely invalid.