Voleon Capital Management LP
Position in ALNY — Alnylam Pharmaceuticals, Inc.
CIK 1479847
BERKELEY, CA
Position in ALNY
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$7,965,364
-$12,361,311 QoQ
Shares Held
24,074
-52.9% QoQ
Ownership
0.018%
of shares outstanding
% of Portfolio
0.17%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2024
6 quarters on record
Voting authority
Sole 49.551383235025334.ToString("F0")%
Shared 0.ToString("F0")%
None 50.448616764974666.ToString("F0")%
Common Shares in ALNY Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026Voleon Capital Management LP holds $189,781,068 across 60 Biotechnology names. ALNY ranks #8 (4.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | AXSM |
Axsome Therapeutics, Inc.
|
147,867 | $24,992,480 | |
| 2 | SRPT |
Sarepta Therapeutics, Inc.
|
800,660 | $17,422,361 | |
| 3 | ASND |
Ascendis Pharma A/S
|
67,839 | $15,516,814 | |
| 4 | MIRM |
Mirum Pharmaceuticals, Inc.
|
150,513 | $13,904,390 | |
| 5 | CORT |
Corcept Therapeutics Inc
|
262,223 | $10,570,209 | |
| 6 | IBRX |
ImmunityBio, Inc.
|
1,157,158 | $8,875,401 | |
| 7 | ABVX |
Abivax S.A.
|
73,726 | $8,209,390 | |
| 8 | ALNY |
Alnylam Pharmaceuticals, Inc.
This page
|
24,074 | $7,965,364 |
All Filings in ALNY
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6 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $7,965,364 | 24,074 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $20,326,675 | 51,117 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $15,488,040 | 33,965 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $442,178 | 1,356 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $3,217,018 | 11,914 | Shares | Sole | 2025-05-16 | |
| 2024-12-31 | $8,749,061 | 37,181 | Shares | Sole | 2025-02-14 | |
| No filing history on record for this holder in this stock. | ||||||