SPHERA FUNDS MANAGEMENT LTD.
Filing Date
Global Rank
#2,101
/ 8,232
▲ 412
Top Industry
Biotechnology
58.1%
3Y Alpha vs SPY
+0.1%
Period ended 2 months ago
Filed May 15, 2026 · 30d
25 quarters · since Mar 2020
Clone Performance
Jun 2023–Jun 2026 · vs SPYHypothetical growth of cloning every reported 13F position and rebalancing on each filing, indexed to the same start.
Cloned portfolio
+76.5%
SPY
+76.3%
Annualised alpha
+0.1%
Max drawdown
−37.4%
Estimate. 13F holdings are quarter-lagged and long-only, so the clone rebalances about 45 days after each period end — when the filing becomes public — and excludes options and short positions. Past performance does not predict future results.
Portfolio Concentration
91 positions · as of Mar 31, 2026 · Δ vs Dec 31, 2025Top Position
6.1%
−1.2 pts
Top 5
23.5%
+2.7 pts
Top 10
37.9%
+3.4 pts
HHI
223
Diversified+10
Portfolio Trend
25 quarters · across all stocks
Sector Breakdown
As of Mar 31, 2026| Sector | % Portfolio | Value |
|---|---|---|
| Healthcare | 81.7% | $483,120,469 |
| Technology | 15.0% | $88,864,693 |
| Utilities | 1.3% | $7,638,540 |
| Consumer Cyclical | 1.1% | $6,652,143 |
| Industrials | 0.5% | $2,791,782 |
| Unclassified | 0.4% | $2,286,182 |
Last Quarter's Activity
Export CSVAdded To
Positions the filer increased
25 positions
| Ticker | Company | Δ Shares | Shares | Value | Open |
|---|---|---|---|---|---|
| PALI | Palisade Bio, Inc. | +1,549,371 | 1,733,471 | $3,033,574 | |
| MLYS | Mineralys Therapeutics, Inc. | +890,968 | 1,339,971 | $36,299,814 | |
| PRLD | Prelude Therapeutics Inc | +435,587 | 558,339 | $1,909,519 | |
| PMN | ProMIS Neurosciences Inc. | +313,784 | 325,591 | $4,135,005 | |
| CYTK | Cytokinetics Inc | +207,400 | 299,117 | $19,714,801 | |
| SKYE | Skye Bioscience, Inc. | +200,000 | 678,928 | $417,540 | |
| HELP | Cybin Inc. | +161,514 | 987,090 | $4,738,032 | |
| RARE | Ultragenyx Pharmaceutical Inc. | +158,710 | 809,333 | $16,955,526 | |
| MAZE | Maze Therapeutics, Inc. | +155,500 | 227,343 | $6,786,188 | |
| WVE | Wave Life Sciences Ltd. | +140,106 | 548,272 | $3,974,972 | |
| BBIO | BridgeBio Pharma, Inc. | +137,500 | 245,246 | $18,211,967 | |
| VYGR | Voyager Therapeutics, Inc. | +130,000 | 469,761 | $1,813,277 | |
| PFE | Pfizer Inc | +100,000 | 186,000 | $5,222,880 | |
| SLNO | Soleno Therapeutics Inc | +79,967 | 216,281 | $7,241,087 | |
| ACAD | Acadia Pharmaceuticals Inc | +44,000 | 256,202 | $5,703,056 | |
| MDWD | MediWound Ltd. | +42,845 | 273,192 | $4,401,123 | |
| COGT | Cogent Biosciences, Inc. | +37,840 | 416,340 | $16,024,926 | |
| SNY | Sanofi | +30,000 | 269,515 | $12,985,232 | |
| IBIT | iShares Bitcoin Trust ETF | +29,450 | 59,505 | $2,286,182 | |
| BCRX | Biocryst Pharmaceuticals Inc | +28,575 | 866,464 | $8,248,737 | |
| TSEM | Tower Semiconductor Ltd | +23,222 | 145,735 | $25,573,577 | |
| CAMT | Camtek Ltd | +13,522 | 53,020 | $8,038,362 | |
| TEVA | Teva Pharmaceutical Industries Ltd | +13,450 | 1,136,975 | $34,245,687 | |
| GPCR | Structure Therapeutics Inc. | +9,800 | 50,800 | $2,448,560 | |
| MDGL | Madrigal Pharmaceuticals, Inc. | +5,740 | 9,040 | $4,732,168 | |
| No positions match the current search. | |||||
Trimmed
Positions the filer reduced
25 positions
| Ticker | Company | Δ Shares | Shares | Value | Open |
|---|---|---|---|---|---|
| CLYM | Climb Bio, Inc. | −513,000 | 419,247 | $2,871,841 | |
| ORIC | Oric Pharmaceuticals, Inc. | −466,750 | 537,628 | $6,811,746 | |
| SVRA | Savara Inc | −439,000 | 739,164 | $4,035,835 | |
| ELDN | Eledon Pharmaceuticals, Inc. | −360,000 | 1,772,131 | $5,458,163 | |
| DTIL | Precision Biosciences Inc | −356,116 | 40,000 | $220,000 | |
| DYN | Dyne Therapeutics, Inc. | −232,300 | 160,594 | $2,911,569 | |
| TNGX | Tango Therapeutics, Inc. | −201,000 | 343,563 | $7,187,337 | |
| IMTX | Immatics N.V. | −165,000 | 696,105 | $6,849,673 | |
| CRVS | Corvus Pharmaceuticals, Inc. | −159,748 | 247,961 | $3,627,669 | |
| BIOA | BioAge Labs, Inc. | −156,517 | 86,518 | $1,513,199 | |
| SEDG | Solaredge Technologies, Inc. | −143,700 | 52,836 | $2,697,277 | |
| VOR | Vor Biopharma Inc. | −88,500 | 321,917 | $5,742,999 | |
| EVMN | Evommune, Inc. | −87,913 | 78,234 | $1,798,599 | |
| ELVN | Enliven Therapeutics, Inc. | −73,500 | 153,265 | $6,007,988 | |
| SRRK | Scholar Rock Holding Corp | −64,000 | 94,265 | $4,634,067 | |
| KOD | Kodiak Sciences Inc. | −60,704 | 114,796 | $4,376,023 | |
| FOLD | AMICUS THERAPEUTICS, INC. | −55,000 | 603,377 | $8,724,831 | |
| TENX | Tenax Therapeutics, Inc. | −54,096 | 136,015 | $2,174,879 | |
| NICE | NICE Ltd. | −50,089 | 5,611 | $618,668 | |
| ENPH | Enphase Energy, Inc. | −44,081 | 142,419 | $5,384,862 | |
| SNDX | Syndax Pharmaceuticals Inc | −38,000 | 724,563 | $16,925,791 | |
| APLS | Apellis Pharmaceuticals, Inc. | −36,047 | 214,914 | $8,645,990 | |
| ZIM | ZIM Integrated Shipping Services Ltd. | −30,055 | 105,950 | $2,791,782 | |
| TRVI | Trevi Therapeutics, Inc. | −24,505 | 574,029 | $6,848,165 | |
| BMRN | Biomarin Pharmaceutical Inc | −7,100 | 139,900 | $7,902,951 | |
| No positions match the current search. | |||||
New Positions
Positions the filer opened this quarter
20 positions
| Ticker | Company | Shares | Value | Open |
|---|---|---|---|---|
| AZN | Astrazeneca PLC | 62,530 | $12,332,166 | |
| CLBT | Cellebrite DI Ltd. | 631,521 | $8,702,359 | |
| PANW | Palo Alto Networks Inc | 52,800 | $8,464,896 | |
| ORA | Ormat Technologies, Inc. | 68,250 | $7,638,540 | |
| XENE | Xenon Pharmaceuticals Inc. | 127,000 | $7,385,050 | |
| AMZN | Amazon Com Inc | 31,940 | $6,652,143 | |
| AAOI | Applied Optoelectronics, Inc. | 73,400 | $6,208,906 | |
| BHVN | Biohaven Ltd. | 594,000 | $5,025,240 | |
| ZBIO | Zenas BioPharma, Inc. | 214,334 | $4,190,229 | |
| RLAY | Relay Therapeutics, Inc. | 408,436 | $4,063,938 | |
| OVID | Ovid Therapeutics Inc. | 1,622,828 | $3,602,678 | |
| IRON | Disc Medicine, Inc. | 53,538 | $3,423,219 | |
| UPB | Upstream Bio, Inc. | 358,000 | $3,222,000 | |
| MSLE | Satellos Bioscience Inc. | 489,207 | $2,754,235 | |
| GENB | Generate Biomedicines, Inc. | 185,000 | $2,312,500 | |
| OLMA | Olema Pharmaceuticals, Inc. | 100,000 | $1,491,000 | |
| ORGO | Organogenesis Holdings Inc. | 550,000 | $1,303,500 | |
| CRIS | Curis Inc | 1,994,937 | $1,097,215 | |
| CTMX | CytomX Therapeutics, Inc. | 220,000 | $1,034,000 | |
| FHTX | Foghorn Therapeutics Inc. | 12,224 | $58,430 | |
| No positions match the current search. | ||||
Sold Out
Positions the filer fully exited
19 positions
| Ticker | Company | Shares | Value | Open |
|---|---|---|---|---|
| PRAX | Praxis Precision Medicines, Inc. | 40,000 | $11,789,600 | |
| ANNX | Annexon, Inc. | 1,316,212 | $6,607,384 | |
| AMD | Advanced Micro Devices Inc | 18,040 | $3,863,446 | |
| TARA | Protara Therapeutics, Inc. | 650,000 | $3,464,500 | |
| AVGO | Broadcom Inc. | 9,755 | $3,376,205 | |
| ESLT | Elbit Systems Ltd | 5,340 | $3,084,971 | |
| NRIX | Nurix Therapeutics, Inc. | 124,000 | $2,352,280 | |
| JANX | Janux Therapeutics, Inc. | 157,840 | $2,178,192 | |
| TSHA | Taysha Gene Therapies, Inc. | 368,146 | $2,024,803 | |
| PHVS | Pharvaris N.V. | 63,953 | $1,774,695 | |
| VRNS | Varonis Systems Inc | 52,500 | $1,722,000 | |
| DAWN | Day One Biopharmaceuticals, Inc. | 145,371 | $1,354,857 | |
| TRDA | Entrada Therapeutics, Inc. | 110,942 | $1,140,483 | |
| TNYA | Tenaya Therapeutics, Inc. | 1,500,000 | $1,068,000 | |
| CATX | Perspective Therapeutics, Inc. | 349,973 | $962,425 | |
| JSPR | Jasper Therapeutics, Inc. | 485,401 | $888,283 | |
| PEPG | PepGen Inc. | 121,467 | $790,750 | |
| OKUR | OnKure Therapeutics, Inc. | 60,454 | $175,316 | |
| MREO | Mereo BioPharma Group plc | 255,400 | $106,501 | |
| No positions match the current search. | ||||
91 positions ·
$591,353,809 total
· as of Mar 31, 2026
Showing 1–50
of 91 positions by value
· page 1 of 2
| Ticker | Company | Type | Shares | Value (USD) | % of Portfolio | History |
|---|---|---|---|---|---|---|
| MLYS |
Mineralys Therapeutics, Inc.
Healthcare
|
Added | 1,339,971 | $36,299,814 | 6.14% | |
| TEVA |
Teva Pharmaceutical Industries Ltd
Healthcare
|
Added | 1,136,975 | $34,245,687 | 5.79% | |
| TSEM |
Tower Semiconductor Ltd
Technology
|
Added | 145,735 | $25,573,577 | 4.32% | |
| NVMI |
Nova Ltd.
Technology
|
Added | 53,366 | $23,175,786 | 3.92% | |
| CYTK |
Cytokinetics Inc
Healthcare
|
Added | 299,117 | $19,714,801 | 3.33% | |
| BBIO |
BridgeBio Pharma, Inc.
Healthcare
|
Added | 245,246 | $18,211,967 | 3.08% | |
| BIIB |
Biogen Inc.
Healthcare
|
Reduced | 92,526 | $16,962,791 | 2.87% | |
| RARE |
Ultragenyx Pharmaceutical Inc.
Healthcare
|
Added | 809,333 | $16,955,526 | 2.87% | |
| SNDX |
Syndax Pharmaceuticals Inc
Healthcare
|
Reduced | 724,563 | $16,925,791 | 2.86% | |
| COGT |
Cogent Biosciences, Inc.
Healthcare
|
Added | 416,340 | $16,024,926 | 2.71% | |
| SNY |
Sanofi
Healthcare
|
Added | 269,515 | $12,985,232 | 2.20% | |
| AZN |
Astrazeneca PLC
Healthcare
|
NEW | 62,530 | $12,332,166 | 2.09% | |
| FOLD |
AMICUS THERAPEUTICS, INC.
Healthcare
|
Reduced | 603,377 | $8,724,831 | 1.48% | |
| CLBT |
Cellebrite DI Ltd.
Technology
|
NEW | 631,521 | $8,702,359 | 1.47% | |
| APLS |
Apellis Pharmaceuticals, Inc.
Healthcare
|
Reduced | 214,914 | $8,645,990 | 1.46% | |
| PANW |
Palo Alto Networks Inc
Technology
|
NEW | 52,800 | $8,464,896 | 1.43% | |
| LLY |
ELI LILLY & Co
Healthcare
|
Held | 9,040 | $8,314,720 | 1.41% | |
| BCRX |
Biocryst Pharmaceuticals Inc
Healthcare
|
Added | 866,464 | $8,248,737 | 1.39% | |
| CAMT |
Camtek Ltd
Technology
|
Added | 53,020 | $8,038,362 | 1.36% | |
| BMRN |
Biomarin Pharmaceutical Inc
Healthcare
|
Reduced | 139,900 | $7,902,951 | 1.34% | |
| CLDX |
Celldex Therapeutics, Inc.
Healthcare
|
Added | 243,575 | $7,726,199 | 1.31% | |
| ORA |
Ormat Technologies, Inc.
Utilities
|
NEW | 68,250 | $7,638,540 | 1.29% | |
| XENE |
Xenon Pharmaceuticals Inc.
Healthcare
|
NEW | 127,000 | $7,385,050 | 1.25% | |
| SLNO |
Soleno Therapeutics Inc
Healthcare
|
Added | 216,281 | $7,241,087 | 1.22% | |
| TNGX |
Tango Therapeutics, Inc.
Healthcare
|
Reduced | 343,563 | $7,187,337 | 1.22% | |
| JNJ |
Johnson & Johnson
Healthcare
|
Reduced | 28,831 | $7,047,449 | 1.19% | |
| IMTX |
Immatics N.V.
Healthcare
|
Reduced | 696,105 | $6,849,673 | 1.16% | |
| TRVI |
Trevi Therapeutics, Inc.
Healthcare
|
Reduced | 574,029 | $6,848,165 | 1.16% | |
| ORIC |
Oric Pharmaceuticals, Inc.
Healthcare
|
Reduced | 537,628 | $6,811,746 | 1.15% | |
| MAZE |
Maze Therapeutics, Inc.
Healthcare
|
Added | 227,343 | $6,786,188 | 1.15% | |
| GSK |
GSK plc
Healthcare
|
Held | 122,000 | $6,733,180 | 1.14% | |
| AMZN |
Amazon Com Inc
Consumer Cyclical
|
NEW | 31,940 | $6,652,143 | 1.12% | |
| ABBV |
AbbVie Inc.
Healthcare
|
Added | 30,256 | $6,580,377 | 1.11% | |
| AAOI |
Applied Optoelectronics, Inc.
Technology
|
NEW | 73,400 | $6,208,906 | 1.05% | |
| ELVN |
Enliven Therapeutics, Inc.
Healthcare
|
Reduced | 153,265 | $6,007,988 | 1.02% | |
| MRK |
Merck & Co., Inc.
Healthcare
|
Held | 48,600 | $5,846,094 | 0.99% | |
| VOR |
Vor Biopharma Inc.
Healthcare
|
Reduced | 321,917 | $5,742,999 | 0.97% | |
| ACAD |
Acadia Pharmaceuticals Inc
Healthcare
|
Added | 256,202 | $5,703,056 | 0.96% | |
| NVS |
Novartis AG
Healthcare
|
Held | 37,000 | $5,651,750 | 0.96% | |
| ELDN |
Eledon Pharmaceuticals, Inc.
Healthcare
|
Reduced | 1,772,131 | $5,458,163 | 0.92% | |
| ENPH |
Enphase Energy, Inc.
Technology
|
Reduced | 142,419 | $5,384,862 | 0.91% | |
| RVMD |
Revolution Medicines, Inc.
Healthcare
|
Added | 55,110 | $5,359,447 | 0.91% | |
| PFE |
Pfizer Inc
Healthcare
|
Added | 186,000 | $5,222,880 | 0.88% | |
| BHVN |
Biohaven Ltd.
Healthcare
|
NEW | 594,000 | $5,025,240 | 0.85% | |
| FBRX |
Forte Biosciences, Inc.
Healthcare
|
Reduced | 184,984 | $4,791,085 | 0.81% | |
| HELP |
Cybin Inc.
Healthcare
|
Added | 987,090 | $4,738,032 | 0.80% | |
| MDGL |
Madrigal Pharmaceuticals, Inc.
Healthcare
|
Added | 9,040 | $4,732,168 | 0.80% | |
| SRRK |
Scholar Rock Holding Corp
Healthcare
|
Reduced | 94,265 | $4,634,067 | 0.78% | |
| NVO |
Novo Nordisk A S
Healthcare
|
Added | 120,677 | $4,434,879 | 0.75% | |
| MDWD |
MediWound Ltd.
Healthcare
|
Added | 273,192 | $4,401,123 | 0.74% |