Position in RYTM
as of Mar 31, 2026
· filed May 18, 2026
Position Value
$79,851,765
-$40,688,654 QoQ
Shares Held
918,153
-18.5% QoQ
Ownership
1.34%
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 96.19812819867713.ToString("F0")%
None 3.801871801322873.ToString("F0")%
Common Shares in RYTM Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026JANUS HENDERSON GROUP PLC holds $15,891,382,798 across 182 Biotechnology names. RYTM ranks #36 (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 RYTM
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $79,851,765 | 918,153 | Shares | Defined | 2026-05-18 | |
| 2025-12-31 | $120,540,419 | 1,126,125 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $117,237,978 | 1,160,887 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $89,218,087 | 1,411,902 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $87,683,888 | 1,655,350 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $68,270,632 | 1,219,554 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $31,335,611 | 598,122 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $24,374,940 | 593,642 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $26,926,430 | 621,427 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $28,588,374 | 621,892 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $24,432,203 | 1,065,745 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $17,779,631 | 1,078,207 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $19,580,702 | 1,097,573 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $36,113,254 | 1,240,153 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $38,246,533 | 1,561,083 | Shares | Defined | 2023-01-13 | |
| 2022-06-30 | $8,632,318 | 2,080,077 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $33,995,541 | 2,951,002 | Shares | Defined | 2022-05-16 | |
| 2021-12-31 | $31,276,671 | 3,133,935 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $41,561,908 | 3,182,382 | Shares | Defined | 2021-11-16 | |
| 2021-06-30 | $76,872,059 | 3,926,050 | Shares | Defined | 2021-08-16 | |
| 2021-03-31 | $86,952,249 | 4,088,023 | Shares | Defined | 2021-05-17 | |
| 2020-12-31 | $133,540,173 | 4,491,765 | Shares | Defined | 2021-02-16 | |
| 2020-09-30 | $95,052,637 | 4,386,370 | Shares | Defined | 2020-11-16 | |
| 2020-06-30 | $98,353,882 | 4,410,488 | Shares | Defined | 2020-08-14 | |
| 2020-03-31 | $65,735,682 | 4,319,033 | Shares | Defined | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||