PALO ALTO INVESTORS LP
Latest 13F filing data - Q3 2025
Holdings (Top positions)
| Stock | Ticker | ||
|---|---|---|---|
 | AGIO | 265K | $10.66M |
 | ALDX | 225K | $1.18M |
 | IRON | 224K | $14.82M |
 | BCYC | 221K | $1.71M |
 | PRQR | 189K | $402.16K |
 | BIIB | 186K | $26.01M |
 | ALKS | 184K | $5.52M |
 | AKTX | 146K | $147.48K |
 | TVTX | 111K | $2.65M |
 | RNA | 110K | $4.79M |
 | STOK | 105K | $2.48M |
 | MIRM | 65K | $4.74M |
 | ORKA | 60K | $791.31K |
 | UTHR | 58K | $24.39M |
 | ALGN | 46K | $5.73M |
 | CRSP | 41K | $2.67M |
 | EW | 34K | $2.62M |
 | ALNY | 32K | $14.74M |
 | URGN | 25K | $488.77K |
 | BNTX | 20K | $1.93M |
Agios Pharmaceuticals, Inc.
AGIO
Shares Held
265K
Value
$10.66M
Aldeyra Therapeutics, Inc.
ALDX
Shares Held
225K
Value
$1.18M
Disc Medicine, Inc.
IRON
Shares Held
224K
Value
$14.82M
Bicycle Therapeutics plc
BCYC
Shares Held
221K
Value
$1.71M
ProQR Therapeutics N.V.
PRQR
Shares Held
189K
Value
$402.16K
Biogen Inc.
BIIB
Shares Held
186K
Value
$26.01M
Alkermes plc
ALKS
Shares Held
184K
Value
$5.52M
Akari Therapeutics, Plc
AKTX
Shares Held
146K
Value
$147.48K
Travere Therapeutics, Inc.
TVTX
Shares Held
111K
Value
$2.65M
Avidity Biosciences, Inc.
RNA
Shares Held
110K
Value
$4.79M
Stoke Therapeutics, Inc.
STOK
Shares Held
105K
Value
$2.48M
Mirum Pharmaceuticals, Inc.
MIRM
Shares Held
65K
Value
$4.74M
Oruka Therapeutics, Inc.
ORKA
Shares Held
60K
Value
$791.31K
United Therapeutics Corporation
UTHR
Shares Held
58K
Value
$24.39M
Align Technology, Inc.
ALGN
Shares Held
46K
Value
$5.73M
CRISPR Therapeutics AG
CRSP
Shares Held
41K
Value
$2.67M
Edwards Lifesciences Corporation
EW
Shares Held
34K
Value
$2.62M
Alnylam Pharmaceuticals, Inc.
ALNY
Shares Held
32K
Value
$14.74M
UroGen Pharma Ltd.
URGN
Shares Held
25K
Value
$488.77K
BioNTech SE
BNTX
Shares Held
20K
Value
$1.93M