Siren

Siren as of June 30, 2025

Portfolio Holdings for Siren

Siren holds 110 positions in its portfolio as reported in the June 2025 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Scholar Rock Hldg Corp (SRRK) 17.0 $328M 9.3M 35.42
Kymera Therapeutics (KYMR) 7.7 $150M 3.4M 43.64
BeOne Medicines Sponsored Ads (ONC) 6.4 $124M 510k 242.07
Disc Medicine (IRON) 3.0 $58M 1.1M 52.96
Crinetics Pharmaceuticals In (CRNX) 2.5 $49M 1.7M 28.76
Bicara Therapeutics (BCAX) 2.5 $49M 5.2M 9.29
Dyne Therapeutics (DYN) 2.4 $46M 4.8M 9.52
Centessa Pharmaceuticals Sponsored Ads (CNTA) 2.4 $46M 3.5M 13.14
Merus N V (MRUS) 2.3 $45M 854k 52.60
Apellis Pharmaceuticals (APLS) 2.3 $45M 2.6M 17.31
Ascendis Pharma A/S Sponsored Adr (ASND) 2.2 $42M 246k 172.60
Arrowhead Pharmaceuticals (ARWR) 2.2 $42M 2.7M 15.80
Edgewise Therapeutics (EWTX) 2.1 $41M 3.2M 13.11
Soleno Therapeutics (SLNO) 2.0 $39M 467k 83.78
Lexicon Pharmaceuticals Com New (LXRX) 1.9 $37M 39M 0.95
Taboola.com Ord Shs (TBLA) 1.9 $37M 10M 3.66
Solid Biosciences Com New (SLDB) 1.9 $36M 7.4M 4.87
Revolution Medicines (RVMD) 1.8 $35M 939k 36.79
Avidity Biosciences Ord (RNA) 1.6 $32M 1.1M 28.40
Rhythm Pharmaceuticals (RYTM) 1.3 $26M 410k 63.19
Apogee Therapeutics (APGE) 1.3 $26M 595k 43.43
Stoke Therapeutics (STOK) 1.3 $26M 2.2M 11.35
Taysha Gene Therapies Com Shs (TSHA) 1.3 $25M 11M 2.31
Xenon Pharmaceuticals (XENE) 1.3 $25M 813k 31.30
WAVE Life Sciences SHS (WVE) 1.2 $24M 3.7M 6.50
MoonLake Immunotherapeutics Class A Ord (MLTX) 1.2 $24M 508k 47.20
Septerna (SEPN) 1.2 $23M 2.2M 10.57
NewAmsterdam Pharma Company NV Ordinary Shares (NAMS) 1.1 $22M 1.2M 18.11
Trevi Therapeutics (TRVI) 1.1 $22M 3.9M 5.47
Tango Therapeutics (TNGX) 0.9 $17M 3.4M 5.12
Akero Therapeutics (AKRO) 0.9 $17M 319k 53.36
Silence Therapeutics Ads (SLN) 0.9 $17M 2.9M 5.80
Arrivent Biopharma (AVBP) 0.8 $15M 700k 21.77
Bicycle Therapeutics Sponsored Ads (BCYC) 0.7 $14M 2.0M 6.95
Arcus Biosciences Incorporated (RCUS) 0.7 $13M 1.6M 8.14
IHS Holding Ord Shs (IHS) 0.7 $13M 2.4M 5.56
Amazon (AMZN) 0.6 $12M 57k 219.39
Denali Therapeutics (DNLI) 0.6 $12M 822k 13.99
Erasca (ERAS) 0.6 $11M 8.8M 1.27
Oric Pharmaceuticals (ORIC) 0.5 $10M 1.0M 10.15
Remitly Global (RELY) 0.5 $9.7M 515k 18.77
Vaxcyte (PCVX) 0.5 $9.6M 296k 32.51
CrowdStrike Holdings Cl A (CRWD) 0.5 $9.4M 19k 509.31
Cullinan Oncology (CGEM) 0.5 $9.0M 1.2M 7.53
Alphabet Cap Stk Cl A (GOOGL) 0.5 $8.9M 51k 176.20
Upstream Bio (UPB) 0.4 $8.7M 789k 10.98
Seer Com Cl A (SEER) 0.4 $8.6M 4.0M 2.14
Microsoft Corporation (MSFT) 0.4 $8.0M 16k 497.41
NVIDIA Corporation (NVDA) 0.4 $7.9M 50k 157.99
Ionq Inc Pipe (IONQ) 0.4 $7.3M 170k 42.97
Taiwan Semiconductor Manufacturing Sponsored Ads (TSM) 0.4 $6.9M 31k 226.49
Gossamer Bio (GOSS) 0.3 $6.4M 5.2M 1.23
salesforce (CRM) 0.3 $6.2M 23k 272.69
Cogent Biosciences (COGT) 0.3 $6.1M 854k 7.18
Cartesian Therapeutics Com New (RNAC) 0.3 $5.9M 563k 10.39
Vera Therapeutics Cl A (VERA) 0.3 $5.8M 247k 23.56
Adobe Systems Incorporated (ADBE) 0.3 $5.8M 15k 386.88
Sionna Therapeutics (SION) 0.3 $5.6M 325k 17.35
PDD Holdings Sponsored Ads (PDD) 0.3 $5.5M 53k 104.66
Sagimet Biosciences Com Ser A (SGMT) 0.3 $5.5M 725k 7.62
Spyre Therapeutics Com New (SYRE) 0.3 $5.5M 369k 14.97
Pacira Pharmaceuticals (PCRX) 0.3 $5.4M 225k 23.90
Servicenow (NOW) 0.3 $5.3M 5.1k 1028.08
Korro Bio (KRRO) 0.3 $5.2M 419k 12.49
Datadog Cl A Com (DDOG) 0.3 $5.2M 38k 134.33
Agenus Com New (AGEN) 0.3 $4.9M 1.1M 4.57
Jfrog Ord Shs (FROG) 0.2 $4.7M 107k 43.88
Rapport Therapeutics (RAPP) 0.2 $4.3M 379k 11.37
Instil Bio Com New (TIL) 0.2 $4.2M 204k 20.83
Dynatrace Com New (DT) 0.2 $4.2M 75k 55.21
Aadi Bioscience (WHWK) 0.2 $3.9M 2.1M 1.87
New Oriental Education & Technology Group Spon Adr (EDU) 0.2 $3.9M 72k 53.95
Igm Biosciences (IGMS) 0.2 $3.6M 3.3M 1.12
Foghorn Therapeutics (FHTX) 0.2 $3.4M 721k 4.70
Vigil Neuroscience (VIGL) 0.2 $3.3M 411k 7.95
Neumora Therapeutics (NMRA) 0.2 $3.2M 4.4M 0.73
ProQR Therapeutics NV Shs Euro (PRQR) 0.2 $3.2M 1.6M 2.04
Nebius Group NV Shs Class A (NBIS) 0.1 $2.8M 51k 55.33
Black Diamond Therapeutics (BDTX) 0.1 $2.6M 1.0M 2.48
Lexeo Therapeutics (LXEO) 0.1 $2.4M 603k 4.02
Palo Alto Networks (PANW) 0.1 $2.4M 12k 204.64
Qualcomm (QCOM) 0.1 $2.2M 14k 159.26
Workiva Com Cl A (WK) 0.1 $1.9M 28k 68.45
Eledon Pharmaceuticals (ELDN) 0.1 $1.9M 690k 2.71
Ke Holdings Sponsored Ads (BEKE) 0.1 $1.9M 105k 17.74
Hubspot (HUBS) 0.1 $1.7M 3.0k 556.63
UnitedHealth (UNH) 0.1 $1.6M 5.1k 311.97
Bioage Labs (BIOA) 0.1 $1.6M 382k 4.13
GitLab Class A Com (GTLB) 0.1 $1.6M 35k 45.11
Tourmaline Bio (TRML) 0.1 $1.5M 91k 15.99
Rocket Pharmaceuticals (RCKT) 0.1 $1.4M 591k 2.45
Tesla Motors (TSLA) 0.1 $1.3M 4.0k 317.66
Birkenstock Holding Com Shs (BIRK) 0.1 $1.2M 25k 49.18
Sailpoint (SAIL) 0.1 $1.1M 50k 22.86
SEMrush Holdings Cl A Com (SEMR) 0.1 $1.1M 125k 9.05
Primo Brands Corp Class A Com Shs (PRMB) 0.1 $1.1M 38k 29.62
Cellebrite DI Ordinary Shares (CLBT) 0.0 $960k 60k 16.00
Generation Bio 0.0 $950k 3.0M 0.32
Kalaris Therapeutics (KLRS) 0.0 $755k 283k 2.67
HOOKIPA Pharma Com New (HOOK) 0.0 $711k 567k 1.25
Atlassian Corp Cl A (TEAM) 0.0 $711k 3.5k 203.09
Procore Technologies (PCOR) 0.0 $684k 10k 68.42
Ccc Intelligent Solutions Holdings (CCC) 0.0 $471k 50k 9.41
PG&E Corporation (PCG) 0.0 $349k 25k 13.94
Cyclerion Therapeutics (CYCN) 0.0 $338k 116k 2.91
Reddit Cl A (RDDT) 0.0 $301k 2.0k 150.57
Vertiv Holdings Com Cl A (VRT) 0.0 $257k 2.0k 128.41
Deckers Outdoor Corporation (DECK) 0.0 $206k 2.0k 103.07
Caribou Biosciences (CRBU) 0.0 $133k 105k 1.26
Ironwood Pharmaceuticals Com Cl A (IRWD) 0.0 $80k 111k 0.72