Position in CTMX
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$16,251,241
New position
Shares Held
3,457,711
first reported quarter
Ownership
1.59%
of shares outstanding
% of Portfolio
0.45%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2026
1 quarter on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Position in Biotechnology
Healthcare · as of Mar 31, 2026Siren, L.L.C. holds $3,342,748,436 across 67 Biotechnology names. CTMX ranks #44 (0.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | SRRK |
Scholar Rock Holding Corp
|
10,825,013 | $532,157,639 | |
| 2 | KYMR |
Kymera Therapeutics, Inc.
|
3,186,830 | $265,431,070 | |
| 3 | ERAS |
Erasca, Inc.
|
11,244,246 | $181,931,900 | |
| 4 | EWTX |
Edgewise Therapeutics, Inc.
|
4,430,263 | $139,553,284 | |
| 5 | ONC |
BeOne Medicines Ltd.
|
465,000 | $138,091,050 | |
| 6 | TNGX |
Tango Therapeutics, Inc.
|
5,657,105 | $118,346,636 | |
| 7 | BCAX |
Bicara Therapeutics Inc.
|
5,802,970 | $115,421,073 | |
| 8 | RVMD |
Revolution Medicines, Inc.
|
1,110,980 | $108,042,805 |
All Filings in CTMX
Export CSV
1 filing row on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $16,251,241 | 3,457,711 | Shares | Defined | 2026-05-14 | |
| No filing history on record for this holder in this stock. | ||||||