JANUS HENDERSON GROUP PLC
Position in PRAX — Praxis Precision Medicines, Inc.
CIK 1274173
LONDON, X0
Position in PRAX
as of Mar 31, 2026
· filed May 18, 2026
Position Value
$1,114,411,067
+$159,428,121 QoQ
Shares Held
3,458,863
+6.8% QoQ
Ownership
12.4%
of shares outstanding
% of Portfolio
0.57%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2024
9 quarters on record
Voting authority
Sole 0.ToString("F0")%
Shared 96.9706230053055.ToString("F0")%
None 3.0293769946944993.ToString("F0")%
Common Shares in PRAX 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. PRAX ranks #2 (7.0% 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.
This page
|
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 PRAX
Export CSV
10 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $1,114,411,067 | 3,458,863 | Shares | Defined | 2026-05-18 | |
| 2025-12-31 | $954,982,946 | 3,240,086 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $146,484,527 | 2,763,859 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $106,529,680 | 2,533,405 | Shares | Defined | 2025-08-14 | |
| 2025-05-30 | $88,673,905 | 2,300,231 | Shares | Sole | 2025-06-06 | |
| 2025-03-31 | $57,048,730 | 1,506,436 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $71,536,090 | 929,523 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $30,125,987 | 523,566 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $15,786,491 | 381,685 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $18,919,800 | 310,059 | Shares | Defined | 2024-05-15 | |
| No filing history on record for this holder in this stock. | ||||||