13F Insight
DOSSIER · 13F-HR · Q1 2026

SPHERA FUNDS MANAGEMENT LTD.

SPHERA FUNDS's holding co. based in Boston, MA — $630M in tracked AUM across 97 positions as of Q1 2026.

SF
SPHERA FUNDS·Boston, MA·Holding Co.
CIK 0001496201 · last filed Mar 31, 2026
Total AUM
$630M
▲ 19.4%
vs prior
Holdings
97
—
positions
Whale Score
56
56
tracked
Activity
—
no data
changes this Q
Top sector
Financials
9% weight
concentration
AI Analysis · Q1 2026 · Q1 2026

SPHERA FUNDS MANAGEMENT LTD. filed its latest 13F-HR for Q1 2026. See the latest holdings and position changes below.

Quarter at a glance — Q1 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q1 2026.

#HoldingValueSharesWeight
01
MLYS
MINERALYS THERAPEUTICS INC
$36M1.3M5.8%
02
TEVA
TEVA PHARMACEUTICAL INDS LTD
$34M1.1M5.4%
03
M87915274
TOWER SEMICONDUCTOR LTD
$26M146K4.1%
04
XBI
SPDR SERIES TRUST
$26M200K4.1%
05
M7516K103
NOVA LTD
$23M53K3.7%
06
CYTK
CYTOKINETICS INC
$20M299K3.1%
07
BBIO
BRIDGEBIO PHARMA INC
$18M245K2.9%
08
BIIB
BIOGEN INC
$17M93K2.7%
09
RARE
ULTRAGENYX PHARMACEUTICAL IN
$17M809K2.7%
10
SNDX
SYNDAX PHARMACEUTICALS INC
$17M725K2.7%

Filing history

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