SPHERA FUNDS MANAGEMENT LTD.

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13F Reported Value

$766.5M

incl. option notional

Equity Holdings

$698.8M

Option Notional

$67.7M

$26.4M puts / $41.3M calls

Holdings

105

Latest Filing

2026-06-30

Filing Quarter

Q2 2026

Portfolio Overview

SPHERA FUNDS MANAGEMENT LTD. disclosed 105 positions worth $766.5M in its Form 13F-HR for Q2 2026$698.8M in common stock plus $67.7M of put/call option positions (reported at underlying notional value, not premium at risk), led by $TEVA (TEVA PHARMACEUTICAL INDUSTRIES LTD) at 7.3% of the equity portfolio, followed by $MLYS and $TSEM. During the quarter the fund opened 27 new positions and exited 18 — including a new stake in $BIIB and a full exit from $FOLD. The portfolio is most concentrated in Healthcare (87.8% of disclosed assets). All figures are sourced directly from SPHERA FUNDS MANAGEMENT LTD.’s Form 13F-HR filing with the SEC under CIK 1496201.

Sector Allocation

HealthcareTechnologyUtilitiesOtherIndustrials

AUM History

Top Equity Holdings by Value

Option Positions

13F rules report options at the value of the underlying shares (notional) — not the premium paid or capital at risk. Shown separately from the equity sleeve above.

SPDR SERIES TRUST - ST STR SP BIOTPUT$24M notional
$BIIBCALL$22M notional
$CYTKCALL$9M notional
$PRAXCALL$4M notional
ISHARES TR - 20 YR TR BD ETFCALL$4M notional
$ABVXPUT$3M notional
$TENXCALL$2M notional
$ORICCALL$1M notional

Quarterly Activity — Q2 2026

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Top Holdings

AI Quality Scored

Unlock AI quality scores for every holding

32-signal composite ranking on each of SPHERA FUNDS MANAGEMENT LTD.'s 105 positions.

Showing top 10 of 105 holdings.

Sector Allocation

Healthcare

$613.9M

Technology

$49.9M

Utilities

$14.8M

Other

$12.2M

Industrials

$8.0M

Full Holdings — SPHERA FUNDS MANAGEMENT LTD. (Q2 2026)

All 105 disclosed positions from the latest Form 13F-HR, with quarter-over-quarter share changes and 13F Pro quality scores. Sourced from SEC EDGAR.

TickerCompanyValue
TEVA$TEVATEVA PHARMACEUTICAL INDUSTRIES LTD$50.8M
MLYS$MLYSMineralys Therapeutics, Inc.$39.7M
TSEM$TSEMTOWER SEMICONDUCTOR LTD$28.2M
SPDR SERIES TRUST - ST STR SP BIOT$23.7M
SNDX$SNDXSyndax Pharmaceuticals Inc$22.2M
BIIB$BIIBCALLBIOGEN INC.$21.6M
BIIB$BIIBBIOGEN INC.$20.9M
RARE$RAREUltragenyx Pharmaceutical Inc.$19.6M
BMRN$BMRNBIOMARIN PHARMACEUTICAL INC$18.8M
CYTK$CYTKCYTOKINETICS INC$18.7M
BBIO$BBIOBridgeBio Pharma, Inc.$18.3M
COGT$COGTCogent Biosciences, Inc.$17.8M
NVMI$NVMINOVA LTD.$13.7M
INSM$INSMINSMED Inc$12.7M
MAZE$MAZEMaze Therapeutics, Inc.$12.5M
AZN$AZNASTRAZENECA PLC$11.9M
SNY$SNYSanofi$11.5M
HELP$HELPCYBIN INC.$10.7M
LLY$LLYELI LILLY & Co$9.6M
MDGL$MDGLMADRIGAL PHARMACEUTICALS, INC.$9.4M
TRVI$TRVITrevi Therapeutics, Inc.$9.3M
ACAD$ACADACADIA PHARMACEUTICALS INC$9.0M
CLDX$CLDXCelldex Therapeutics, Inc.$9.0M
RYTM$RYTMRHYTHM PHARMACEUTICALS, INC.$8.9M
CYTK$CYTKCALLCYTOKINETICS INC$8.5M
ORIC$ORICOric Pharmaceuticals, Inc.$8.2M
LRCX$LRCXLAM RESEARCH CORP$8.0M
AMAT$AMATAPPLIED MATERIALS INC /DE$8.0M
TNGX$TNGXTango Therapeutics, Inc.$7.9M
NVS$NVSNOVARTIS AG$7.8M
SOLAREDGE TECHNOLOGIES INC - NOTE 2.250% 7/0$7.7M
VOR$VORVor Biopharma Inc.$7.7M
ABBV$ABBVAbbVie Inc.$7.6M
MRK$MRKMerck & Co., Inc.$7.5M
JNJ$JNJJOHNSON & JOHNSON$7.3M
IDYA$IDYAIDEAYA Biosciences, Inc.$7.3M
IMTX$IMTXImmatics N.V.$7.3M
NVCT$NVCTNuvectis Pharma, Inc.$7.0M
PFE$PFEPFIZER INC$6.9M
HRMY$HRMYHarmony Biosciences Holdings, Inc.$6.4M
XENE$XENEXenon Pharmaceuticals Inc.$6.3M
CLYM$CLYMClimb Bio, Inc.$6.3M
ZBIO$ZBIOZenas BioPharma, Inc.$5.9M
NVO$NVONOVO NORDISK A S$5.8M
ELVN$ELVNEnliven Therapeutics, Inc.$5.7M
PRLD$PRLDPrelude Therapeutics Inc$5.4M
GSK$GSKGSK plc$5.3M
FBRX$FBRXForte Biosciences, Inc.$5.3M
BIOA$BIOABioAge Labs, Inc.$5.2M
SRRK$SRRKScholar Rock Holding Corp$5.2M
MSLE$MSLESatellos Bioscience Inc.$5.1M
PALI$PALIPALISADE BIO, INC.$4.7M
ELDN$ELDNEledon Pharmaceuticals, Inc.$4.7M
VST$VSTVistra Corp.$4.7M
TLN$TLNTalen Energy Corp$4.7M
SVRA$SVRASavara Inc$4.7M
IRON$IRONDisc Medicine, Inc.$4.6M
GLOBAL X FDS - CLOUD COMPUTNG$4.5M
DYN$DYNDyne Therapeutics, Inc.$4.4M
RLAY$RLAYRelay Therapeutics, Inc.$4.4M
AVTX$AVTXAvalo Therapeutics, Inc.$4.3M
PMN$PMNProMIS Neurosciences Inc.$4.3M
BCRX$BCRXBIOCRYST PHARMACEUTICALS INC$4.2M
RVMD$RVMDRevolution Medicines, Inc.$4.2M
PRAX$PRAXCALLPraxis Precision Medicines, Inc.$4.2M
CABA$CABACabaletta Bio, Inc.$4.1M
GENB$GENBGenerate Biomedicines, Inc.$4.1M
ISHARES TR - 20 YR TR BD ETF$4.1M
MDWD$MDWDMediWound Ltd.$4.0M
ACOG$ACOGAlpha Cognition Inc.$3.9M
WVE$WVEWave Life Sciences, Inc.$3.7M
CRVS$CRVSCorvus Pharmaceuticals, Inc.$3.7M
OVID$OVIDOvid Therapeutics Inc.$3.6M
BBOT$BBOTBridgeBio Oncology Therapeutics, Inc.$3.5M
CTMX$CTMXCytomX Therapeutics, Inc.$3.3M
PRQR$PRQRProQR Therapeutics N.V.$3.3M
ALNY$ALNYALNYLAM PHARMACEUTICALS, INC.$3.3M
KURA$KURAKura Oncology, Inc.$3.2M
KOD$KODKodiak Sciences Inc.$3.2M
ORA$ORAORMAT TECHNOLOGIES, INC.$3.1M
CTNM$CTNMContineum Therapeutics, Inc.$3.0M
LRMR$LRMRLarimar Therapeutics, Inc.$2.8M
IMMX$IMMXImmix Biopharma, Inc.$2.8M
AMGN$AMGNAMGEN INC$2.7M
ABVX$ABVXPUTAbivax S.A.$2.7M
BHVN$BHVNBiohaven Ltd.$2.4M
CEG$CEGConstellation Energy Corp$2.4M
VSTM$VSTMVerastem, Inc.$2.4M
TENX$TENXCALLTENAX THERAPEUTICS, INC.$1.9M
TENX$TENXTENAX THERAPEUTICS, INC.$1.7M
TSHA$TSHATaysha Gene Therapies, Inc.$1.7M
GPCR$GPCRStructure Therapeutics Inc.$1.5M
UPB$UPBUpstream Bio, Inc.$1.5M
VYGR$VYGRVoyager Therapeutics, Inc.$1.5M
ORGO$ORGOOrganogenesis Holdings Inc.$1.3M
IKT$IKTInhibikase Therapeutics, Inc.$1.3M
ORIC$ORICCALLOric Pharmaceuticals, Inc.$1.1M
CRIS$CRISCURIS INC$1.0M
STTK$STTKShattuck Labs, Inc.$600,039
TRAX$TRAXFirst Tracks Biotherapeutics, Inc.$560,865
SKYE$SKYESkye Bioscience, Inc.$470,701
TRAW$TRAWTraws Pharma, Inc.$336,043
EVMN$EVMNEvommune, Inc.$300,779
HOWL$HOWLWerewolf Therapeutics, Inc.$225,589
APRE$APREAprea Therapeutics, Inc.$216,621

New Positions (27)

BIIB$BIIBCALL BIOGEN INC.$21.6M
INSM$INSM INSMED Inc$12.7M
RYTM$RYTM RHYTHM PHARMACEUTICALS, INC.$8.9M
LRCX$LRCX LAM RESEARCH CORP$8.0M
AMAT$AMAT APPLIED MATERIALS INC /DE$8.0M
IDYA$IDYA IDEAYA Biosciences, Inc.$7.3M
NVCT$NVCT Nuvectis Pharma, Inc.$7.0M
HRMY$HRMY Harmony Biosciences Holdings, Inc.$6.4M
VST$VST Vistra Corp.$4.7M
TLN$TLN Talen Energy Corp$4.7M
GLOBAL X FDS - CLOUD COMPUTNG$4.5M
AVTX$AVTX Avalo Therapeutics, Inc.$4.3M
PRAX$PRAXCALL Praxis Precision Medicines, Inc.$4.2M
CABA$CABA Cabaletta Bio, Inc.$4.1M
BBOT$BBOT BridgeBio Oncology Therapeutics, Inc.$3.5M

Exited Positions (18)

FOLD$FOLD AMICUS THERAPEUTICS, INC.
CLBT$CLBT Cellebrite DI Ltd.
APLS$APLS Apellis Pharmaceuticals, Inc.
PANW$PANW Palo Alto Networks Inc
CAMT$CAMT CAMTEK LTD
SLNO$SLNO SOLENO THERAPEUTICS INC
AMZN$AMZN AMAZON COM INC
AAOI$AAOI APPLIED OPTOELECTRONICS, INC.
ENPH$ENPH Enphase Energy, Inc.
ZIM$ZIM ZIM Integrated Shipping Services Ltd.
SEDG$SEDG SOLAREDGE TECHNOLOGIES, INC.
IBIT$IBIT iShares Bitcoin Trust ETF
ASND$ASND Ascendis Pharma A/S
OLMA$OLMACALL Olema Pharmaceuticals, Inc.
BMY$BMY BRISTOL MYERS SQUIBB CO

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