Position in HALO
as of Mar 31, 2026
· filed May 18, 2026
Position Value
$79,731,316
+$21,587,078 QoQ
Shares Held
1,233,658
+42.8% QoQ
Ownership
1.04%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2020
23 quarters on record
Voting authority
Sole 0.ToString("F0")%
Shared 78.55791475433223.ToString("F0")%
None 21.442085245667762.ToString("F0")%
Common Shares in HALO 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. HALO ranks #37 (0.5% 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 HALO
Export CSV
23 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $79,731,316 | 1,233,658 | Shares | Defined | 2026-05-18 | |
| 2025-12-31 | $58,144,238 | 863,956 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $70,261,845 | 958,029 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $47,358,695 | 910,394 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $45,606,729 | 714,727 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $33,566,683 | 702,085 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $31,205,701 | 545,173 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $26,876,491 | 513,302 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $21,606,164 | 531,125 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $15,826,787 | 428,214 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $16,309,107 | 426,940 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $15,436,913 | 427,971 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $16,347,763 | 428,064 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $36,651,678 | 644,142 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $27,264,252 | 689,536 | Shares | Defined | 2023-01-13 | |
| 2022-06-30 | $30,273,760 | 688,040 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $29,103,425 | 729,775 | Shares | Defined | 2022-05-16 | |
| 2021-12-31 | $27,003,869 | 671,571 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $26,783,508 | 658,395 | Shares | Defined | 2021-11-16 | |
| 2021-06-30 | $29,600,780 | 651,856 | Shares | Defined | 2021-08-16 | |
| 2021-03-31 | $28,481,315 | 683,169 | Shares | Defined | 2021-05-17 | |
| 2020-12-31 | $34,142,801 | 799,410 | Shares | Defined | 2021-02-16 | |
| 2020-09-30 | $23,370,882 | 889,303 | Shares | Defined | 2020-11-16 | |
| No filing history on record for this holder in this stock. | ||||||