Position in INSM
as of Mar 31, 2026
· filed May 18, 2026
Position Value
$68,564,589
-$70,764,001 QoQ
Shares Held
419,304
-47.6% QoQ
Ownership
0.193%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 0.ToString("F0")%
Shared 95.93469177494133.ToString("F0")%
None 4.0653082250586685.ToString("F0")%
Common Shares in INSM Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026JANUS HENDERSON GROUP PLC holds $15,891,244,813 across 182 Biotechnology names. INSM ranks #43 (0.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ARGX |
Argenx SE
|
2,541,732 | $1,856,099,791 | |
| 2 | PRAX |
Praxis Precision Medicines, Inc.
|
3,458,863 | $1,114,411,067 | |
| 3 | MDGL |
Madrigal Pharmaceuticals, Inc.
|
2,018,647 | $1,056,701,142 | |
| 4 | BBIO |
BridgeBio Pharma, Inc.
|
13,179,013 | $978,673,503 | |
| 5 | PCVX |
Vaxcyte, Inc.
|
16,575,875 | $963,224,094 | |
| 6 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
2,131,527 | $951,812,064 | |
| 7 | RVMD |
Revolution Medicines, Inc.
|
9,766,496 | $949,791,733 | |
| 8 | MIRM |
Mirum Pharmaceuticals, Inc.
|
6,945,813 | $641,654,204 |
All Filings in INSM
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $68,564,589 | 419,304 | Shares | Defined | 2026-05-18 | |
| 2025-12-31 | $139,328,590 | 800,555 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $173,212,778 | 1,202,783 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $230,781,809 | 2,293,142 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $117,900,014 | 1,545,419 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $99,810,850 | 1,445,696 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $108,689,992 | 1,488,904 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $140,149,126 | 2,091,778 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $60,485,328 | 2,229,463 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $43,481,788 | 1,403,091 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $48,348,749 | 1,914,802 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $46,318,465 | 2,195,188 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $43,667,930 | 2,561,169 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $59,865,112 | 2,996,252 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $73,695,360 | 3,421,326 | Shares | Defined | 2023-01-13 | |
| 2022-06-30 | $138,046,645 | 7,000,337 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $180,439,250 | 7,678,266 | Shares | Defined | 2022-05-16 | |
| 2021-12-31 | $214,693,639 | 7,881,558 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $219,986,738 | 7,987,899 | Shares | Defined | 2021-11-16 | |
| 2021-06-30 | $226,313,948 | 7,952,001 | Shares | Defined | 2021-08-16 | |
| 2021-03-31 | $211,804,698 | 6,218,576 | Shares | Defined | 2021-05-17 | |
| 2020-12-31 | $193,828,128 | 5,822,413 | Shares | Defined | 2021-02-16 | |
| 2020-09-30 | $198,277,027 | 6,169,167 | Shares | Defined | 2020-11-16 | |
| 2020-06-30 | $254,534,924 | 9,242,372 | Shares | Defined | 2020-08-14 | |
| 2020-03-31 | $141,566,636 | 8,831,356 | Shares | Defined | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||