Position in ARWR
as of Mar 31, 2026
· filed May 18, 2026
Position Value
$90,099,272
+$5,090,463 QoQ
Shares Held
1,436,990
+12.2% QoQ
Ownership
1.02%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2020
24 quarters on record
Voting authority
Sole 0%
Shared 96%
None 4%
Common Shares in ARWR Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026JANUS HENDERSON GROUP PLC holds $15,213,180,190 across 182 Biotechnology names. ARWR ranks #29 (0.6% 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 ARWR
Export CSV
24 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $90,099,272 | 1,436,990 | Shares | Defined | 2026-05-18 | |
| 2025-12-31 | $85,008,809 | 1,280,446 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $33,578,325 | 973,567 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $787,551 | 49,845 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $635,025 | 49,845 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $937,086 | 49,845 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $965,497 | 49,845 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $1,477,401 | 56,845 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $1,643,041 | 57,449 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $1,449,430 | 47,367 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $1,275,196 | 47,458 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $1,692,173 | 47,453 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $16,308,247 | 642,057 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $22,953,227 | 565,908 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $18,813,150 | 569,233 | Shares | Defined | 2023-01-13 | |
| 2022-06-30 | $20,120,049 | 571,430 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $33,644,626 | 731,564 | Shares | Defined | 2022-05-16 | |
| 2021-12-31 | $64,091,215 | 966,685 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $59,947,283 | 960,232 | Shares | Defined | 2021-11-16 | |
| 2021-06-30 | $94,546,897 | 1,141,595 | Shares | Defined | 2021-08-16 | |
| 2021-03-31 | $75,614,155 | 1,140,313 | Shares | Defined | 2021-05-17 | |
| 2020-12-31 | $87,889,841 | 1,145,443 | Shares | Defined | 2021-02-16 | |
| 2020-09-30 | $49,883,373 | 1,158,462 | Shares | Defined | 2020-11-16 | |
| 2020-06-30 | $40,071,638 | 927,799 | Shares | Defined | 2020-08-14 | |
| No filing history on record for this holder in this stock. | ||||||