Russell Investments Group, Ltd.
Position in PHAT — Phathom Pharmaceuticals, Inc.
CIK 1692234
Seattle, WA
Position in PHAT
as of Mar 31, 2026
· filed May 8, 2026
Position Value
$951,936
+$841,713 QoQ
Shares Held
85,683
+1189.6% QoQ
Ownership
0.107%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2021
14 quarters on record
Voting authority
Sole 86%
Shared 0%
None 14%
Common Shares in PHAT Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026Russell Investments Group, Ltd. holds $1,224,048,594 across 266 Biotechnology names. PHAT ranks #103 (0.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | REGN |
Regeneron Pharmaceuticals, Inc.
|
228,086 | $176,228,356 | |
| 2 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
367,691 | $164,188,731 | |
| 3 | RPRX |
Royalty Pharma plc
|
1,397,958 | $67,060,041 | |
| 4 | INCY |
Incyte Corp
|
638,242 | $60,071,331 | |
| 5 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
147,533 | $48,814,236 | |
| 6 | MRNA |
Moderna, Inc.
|
710,640 | $36,100,509 | |
| 7 | BMRN |
Biomarin Pharmaceutical Inc
|
606,224 | $34,245,589 | |
| 8 | INSM |
INSMED Inc
|
169,162 | $27,661,365 |
All Filings in PHAT
Export CSV
14 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $951,936 | 85,683 | Shares | Defined | 2026-05-08 | |
| 2025-12-31 | $110,223 | 6,644 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $74,880 | 6,362 | Shares | Defined | 2025-11-13 | |
| 2025-06-30 | $26,238 | 2,736 | Shares | Defined | 2025-08-13 | |
| 2025-03-31 | $262,079 | 41,799 | Shares | Other | 2025-05-13 | |
| 2024-09-30 | $650 | 36 | Shares | Defined | 2024-11-13 | |
| 2024-06-30 | $5,355 | 520 | Shares | Defined | 2024-08-08 | |
| 2023-12-31 | $358,735 | 39,292 | Shares | Sole | 2024-02-05 | |
| 2023-09-30 | $146,424 | 14,120 | Shares | Defined | 2023-11-13 | |
| 2023-06-30 | $128,607 | 8,981 | Shares | Sole | 2023-08-10 | |
| 2022-03-31 | $7,825 | 575 | Shares | Defined | 2022-05-05 | |
| 2021-12-31 | $184,169 | 9,363 | Shares | Defined | 2022-01-21 | |
| 2021-09-30 | $400,800 | 12,486 | Shares | Defined | 2021-11-08 | |
| 2021-06-30 | $429,081 | 12,676 | Shares | Sole | 2021-08-04 | |
| No filing history on record for this holder in this stock. | ||||||