SIREN, L.L.C.
Latest 13F filing data - Q1 2026
Holdings (Top positions)
| Stock | Ticker | ||
|---|---|---|---|
 | LXRX | 44.30M | $69.11M |
 | ERAS | 11.24M | $181.93M |
 | SRRK | 10.83M | $532.16M |
 | TBLA | 9.97M | $30.91M |
 | TSHA | 8.83M | $39.47M |
 | NMRA | 8.50M | $16.57M |
 | SLDB | 7.69M | $55.37M |
 | IKT | 5.85M | $9.83M |
 | BCAX | 5.80M | $115.42M |
 | TNGX | 5.66M | $118.35M |
 | ENGN | 5.25M | $35.77M |
 | GOSS | 5.21M | $1.71M |
 | OLMA | 4.76M | $70.93M |
 | EWTX | 4.43M | $139.55M |
 | IVVD | 4.00M | $5.20M |
 | ANNX | 3.96M | $21.93M |
 | ZURA | 3.73M | $22.22M |
 | CTMX | 3.46M | $16.25M |
 | RZLT | 3.33M | $10.15M |
 | KYMR | 3.19M | $265.43M |
Lexicon Pharmaceuticals, Inc.
LXRX
Shares Held
44.30M
Value
$69.11M
Erasca, Inc.
ERAS
Shares Held
11.24M
Value
$181.93M
Scholar Rock Holding Corporation
SRRK
Shares Held
10.83M
Value
$532.16M
Taboola.com Ltd.
TBLA
Shares Held
9.97M
Value
$30.91M
Taysha Gene Therapies, Inc.
TSHA
Shares Held
8.83M
Value
$39.47M
Neumora Therapeutics, Inc. Common Stock
NMRA
Shares Held
8.50M
Value
$16.57M
Solid Biosciences Inc.
SLDB
Shares Held
7.69M
Value
$55.37M
Inhibikase Therapeutics, Inc.
IKT
Shares Held
5.85M
Value
$9.83M
Bicara Therapeutics Inc. Common Stock
BCAX
Shares Held
5.80M
Value
$115.42M
Tango Therapeutics, Inc.
TNGX
Shares Held
5.66M
Value
$118.35M
enGene Holdings Inc.
ENGN
Shares Held
5.25M
Value
$35.77M
Gossamer Bio, Inc.
GOSS
Shares Held
5.21M
Value
$1.71M
Olema Pharmaceuticals, Inc.
OLMA
Shares Held
4.76M
Value
$70.93M
Edgewise Therapeutics, Inc.
EWTX
Shares Held
4.43M
Value
$139.55M
Invivyd, Inc.
IVVD
Shares Held
4.00M
Value
$5.20M
Annexon, Inc.
ANNX
Shares Held
3.96M
Value
$21.93M
Zura Bio Limited
ZURA
Shares Held
3.73M
Value
$22.22M
CytomX Therapeutics, Inc.
CTMX
Shares Held
3.46M
Value
$16.25M
Rezolute, Inc.
RZLT
Shares Held
3.33M
Value
$10.15M
Kymera Therapeutics, Inc.
KYMR
Shares Held
3.19M
Value
$265.43M