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13F-HR filed by Siren, L.L.C.

Siren, L.L.C. filed this 13F-HR for the quarter ended 2024-09-30, filed 2024-11-13, with 112 holding rows worth $2,000,323,342.

Accession
0002005245-24-000005
Filed
2024-11-13
Accepted by EDGAR
acceptance time not in the bulk data set
Ingested
Source
SEC quarterly data set

Original filing

13F report for Q3 2024

A holdings report, 112 entries on the cover page, a total value of $2,000,323,342 stated on the cover page (in dollars after the unit check, H1), rows summing to $2,000,323,342 with VALUE read as dollars as filed, 13F file number 028-24464. The quarter's positions are built on this report. The resolved quarter.

Other managers

The information table after summing rows of one CUSIP and put or call (H4), with the CUSIP and issuer name as filed. Values in dollars after the unit check (method).

Issuer as filedCUSIPClassAmountValueValue read asType
KYMERA THERAPEUTICS INC501575104COM2,969,733$140,557,463dollars as filed
BEONE MEDICINES LTD SPONSORED ADS07725L102ADR563,314$126,469,626dollars as filed
SCHOLAR ROCK HLDG CORP80706P103COM11,259,438$90,188,098dollars as filed
BICARA THERAPEUTICS INC055477103COM3,072,827$78,264,904dollars as filed
ARGENX SE SPONSORED ADR04016X101ADR143,647$77,868,166dollars as filed
CRINETICS PHARMACEUTICALS INC COM22663K107Stock1,309,652$66,923,217dollars as filed
AVIDITY BIOSCIENCES INC COM05370A108Stock1,440,736$66,173,004dollars as filed
APELLIS PHARMACEUTICALS INC03753U106COM2,167,224$62,502,740dollars as filed
LEXICON PHARMACEUTICALS INC528872302COMMON STOCK38,918,903$61,102,678dollars as filed
IGM BIOSCIENCES INC449585108COM3,330,422$55,085,180dollars as filed
CENTESSA PHARMACEUTICALS PLC152309100SPONSORED ADS3,258,677$52,106,245dollars as filed
ASCENDIS PHARMA A/S DKK 1.0 AD04351P101SPONSORED ADR347,921$51,948,085dollars as filed
SILENCE THERAPEUTICS PLC82686Q101ADS2,831,770$51,481,579dollars as filed
ARROWHEAD PHARMACEUTICALS IN04280A100COM2,458,778$47,626,530dollars as filed
WAVE LIFE SCIENCES LTD SHSY95308105Stock5,721,172$46,913,610dollars as filed
SPRINGWORKS THERAPEUTICS INC85205L107COM1,377,701$44,141,540dollars as filed
DYNE THERAPEUTICS INC COM26818M108Stock1,134,664$40,757,131dollars as filed
VERA THERAPEUTICS INC92337R101COMMON STOCK837,928$37,036,418dollars as filed
NEUMORA THERAPEUTICS INC.640979100COM2,606,571$34,432,803dollars as filed
VAXCYTE INC COM92243G108Stock299,991$34,279,972dollars as filed
REVOLUTION MEDICINES INC COM76155X100Stock753,601$34,175,805dollars as filed
MERUS N VN5749R100COM682,201$34,082,762dollars as filed
TABOOLA.COM LTDM8744T106ORD SHS9,969,495$33,497,503dollars as filed
LONGBOARD PHARMACEUTICALS IN54300N103COM903,227$30,104,556dollars as filed
XENON PHARMACEUTICALS INC COM98420N105Stock743,769$29,282,186dollars as filed
CYTOKINETICS INC23282W605COM NEW525,971$27,771,269dollars as filed
KURA ONCOLOGY INC COM50127T109Stock1,339,942$26,182,467dollars as filed
ARCUS BIOSCIENCES INC03969F109COM1,612,077$24,648,657dollars as filed
DENALI THERAPEUTICS INC COM24823R105Stock834,028$24,295,236dollars as filed
ERASCA INC COM29479A108Stock8,857,179$24,180,099dollars as filed
CULLINAN THERAPEUTICS INC230031106COM1,211,357$20,278,116dollars as filed
TANGO THERAPEUTICS INC87583X109COM2,603,897$20,050,007dollars as filed
SOLID BIOSCIENCES INC83422E204COMMON STOCK2,749,041$19,160,816dollars as filed
PROTHENA CORP PLC SHSG72800108Stock1,099,840$18,400,323dollars as filed
NEWAMSTERDAM PHARMA CO NVN62509109COMMON STOCK920,564$15,281,362dollars as filed
BIOHAVEN LTDG1110E107COM283,540$14,168,494dollars as filed
KORRO BIO INC500946108COMMON STOCK418,833$13,997,399dollars as filed
Applied Therapeutics Inc03828A101Common Stock1,633,768$13,887,028dollars as filed
GOSSAMER BIO INC COM38341P102Stock13,281,610$13,100,980dollars as filed
Instil Bio Inc45783C200COM NEW192,433$12,954,590dollars as filed
EDGEWISE THERAPEUTICS INC28036F105COM404,113$10,785,776dollars as filed
IOVANCE BIOTHERAPEUTICS INC462260100COM1,106,040$10,385,716dollars as filed
ORIC PHARMACEUTICALS INC68622P109COM1,007,575$10,327,644dollars as filed
IONIS PHARMACEUTICALS INC COM462222100Stock250,000$10,015,000dollars as filed
TAYSHA GENE THERAPIES INC877619106COMMON STOCK4,879,875$9,808,549dollars as filed
Microsoft Corp594918104COM22,000$9,462,640dollars as filed
CARTESIAN THERAPEUTICS INC816212302COMMON STOCK572,236$9,224,444dollars as filed
ACELYRIN INC00445A100COM1,729,665$8,527,248dollars as filed
PHATHOM PHARMACEUTICALS INC71722W107COMMON STOCK460,753$8,330,414dollars as filed
SEER INC81578P106COM CL A4,000,000$7,880,000dollars as filed
RAPPORT THERAPEUTICS INC COM75383L102Stock384,197$7,868,355dollars as filed
NEUROGENE INC64135M105COMMON STOCK175,898$7,380,680dollars as filed
GENERATION BIO CO37148K100COM2,982,733$7,367,351dollars as filed
IHS HOLDING LIMITEDG4701H109ORD SHS2,357,520$7,048,985dollars as filed
CROWDSTRIKE HLDGS INC22788C105COM25,000$7,011,750dollars as filed
VIGIL NEUROSCIENCE INC92673K108COM1,991,038$6,769,529dollars as filed
FOGHORN THERAPEUTICS INC344174107COMMON STOCK720,720$6,709,903dollars as filed
ServiceNow,Inc.81762P102COM7,500$6,707,925dollars as filed
Amazon.com, Inc023135106COM34,750$6,474,968dollars as filed
BIOAGE LABS INC COM09077V100Stock300,000$6,240,000dollars as filed
NVIDIA Corp67066G104COM48,932$5,942,038dollars as filed
SYROS PHARMACEUTICALS INC87184Q206COM NEW2,587,372$5,562,850dollars as filed
NOVOCURE LTDG6674U108ORD SHS350,884$5,484,317dollars as filed
LEXEO THERAPEUTICS INC52886X107COMMON STOCK603,435$5,455,052dollars as filed
PDD HOLDINGS INC SPONSORED ADS722304102ADR40,401$5,446,459dollars as filed
ALLOVIR INC019818103COM6,597,167$5,333,810dollars as filed
BLACK DIAMOND THERAPEUTICS I09203E105COM1,046,517$4,552,349dollars as filed
ALTO NEUROSCIENCE INC COM SHS02157Q109Stock391,406$4,477,685dollars as filed
DYNATRACE INC COM NEW268150109Stock82,729$4,423,520dollars as filed
IONQ INC COM46222L108Stock500,000$4,370,000dollars as filed
TAIWAN SEMICONDUCTOR MFG874039100SPONSORED ADS25,000$4,341,750dollars as filed
AGENUS INC00847G804COM NEW775,000$4,247,000dollars as filed
DATADOGINCCLASSA23804L103STOK32,925$3,788,351dollars as filed
ADC THERAPEUTICS SAH0036K147COMMON STOCK1,163,461$3,664,902dollars as filed
SEA LTD81141R100SPONSORD ADS37,500$3,535,500dollars as filed
OVID THERAPEUTICS INC690469101COMMON STOCK2,850,000$3,363,000dollars as filed
REGENXBIO INC75901B107COM284,000$2,979,160dollars as filed
NEW ORIENTAL ED & TECHNOLOGY SPON ADR647581206ADR38,500$2,919,840dollars as filed
Qualcomm Incorporated747525103COM15,000$2,550,750dollars as filed
HOOKIPA PHARMA INC43906K209COM NEW566,640$2,436,552dollars as filed
Tourmaline Bio Inc89157D105Common Stock91,426$2,350,562dollars as filed
PAYPALHLDGSINC70450Y103STOK26,000$2,028,780dollars as filedcall
SAGIMET BIOSCIENCES INC A786700104COMMON STOCK724,771$2,007,616dollars as filed
PROCORE TECHNOLOGIES INC COM74275K108Stock32,300$1,993,556dollars as filed
KE HLDGS INC SPONSORED ADS482497104ADR100,000$1,991,000dollars as filed
Visa Inc92826C839COM7,000$1,924,650dollars as filed
GRITSTONE BIO INC39868T105COM3,318,093$1,924,162dollars as filed
Alphabet Inc. Reg. Shares A02079K305COM11,000$1,824,130dollars as filed
OCCIDENTAL PETE CORP674599105COM35,000$1,803,900dollars as filed
JFROG LTD ORD SHSM6191J100Stock61,000$1,771,440dollars as filed
OMEGA THERAPEUTICS INC68217N105COMMON STOCK1,323,530$1,614,707dollars as filed
NATERA INC COM632307104Stock12,594$1,598,808dollars as filed
PALO ALTO NETWORKS INC697435105COM4,500$1,538,100dollars as filed
PAYPALHLDGSINC70450Y103STOK15,000$1,170,450dollars as filed
ELASTIC N V ORD SHSN14506104Stock13,000$997,880dollars as filed
Intel Corp458140100COM40,000$938,400dollars as filed
META PLATFORMS INC CL A30303M102COM1,500$858,660dollars as filed
KRONOS BIO INC50107A104COM842,954$842,870dollars as filed
TERNS PHARMACEUTICALS INC COM880881107Stock100,000$834,000dollars as filed
RUBRIK INC.781154109CL A25,000$803,750dollars as filed
ACHILLES THERAPEUTICS PL-ADR00449L102COM755,375$770,483dollars as filed
DOLLAR TREE INC COM256746108Stock10,000$703,200dollars as filed
NU HLDGS LTDG6683N103ORD SHS CL A50,000$682,500dollars as filed
Adobe Inc00724F101COM1,000$517,780dollars as filed
IRONWOOD PHARMACEUTICALS INC46333X108COMMON STOCK110,532$455,392dollars as filed
KANZHUN LIMITED48553T106SPONSORED ADS25,000$434,000dollars as filed
REMITLY GLOBAL INC75960P104COM25,000$334,750dollars as filed
GLYCOMIMETICS INC38000Q102COM1,965,114$332,104dollars as filed
Cyclerion Therapeutics Inc23255M204COM116,155$300,841dollars as filed
CARIBOU BIOSCIENCES INC COM142038108Stock105,347$206,480dollars as filed
GOSSAMER BIO INC COM38341P102Stock207,000$204,185dollars as filedcall
PERCEPTION CAPITAL CORP IIIG7185D114*W EXP 99/99/999126,666$3,800dollars as filedcall

Amendment chain

FilingRoleFiledAcceptedIngested
13F-HR 0002005245-24-000005this filing2024-11-13acceptance time not in the bulk data set