— Know what they know.
Not Investment Advice
Asset Manager ← All Institutions

SPHERA FUNDS MANAGEMENT LTD.

Q4 2025 · Filed 2026-02-17
Market Value
$411M
+13.5%
Holdings
113
New Purchases
22
Added To
30
Closed
27
Reduced
23
Top 10 Concentration
32.2%
Turnover
43.4%

Top Buys (by % of Portfolio)

SymbolCur %Prior %Chg %Value
COGT 3.27% 0.39% +2.88% $13M
SNDX 3.90% 1.65% +2.25% $16M
BMRN 2.13% 0.00% +2.13% $9M
SRRK 1.70% 0.00% +1.70% $7M
MLYS 3.97% 2.30% +1.66% $16M
BCRX 1.59% 0.00% +1.59% $7M
BBIO 2.01% 0.58% +1.42% $8M
VOR 1.31% 0.00% +1.31% $5M
KOD 1.19% 0.00% +1.19% $5M
ENPH 1.46% 0.26% +1.19% $6M
TNGX 1.17% 0.00% +1.17% $5M
APLS 1.54% 0.40% +1.14% $6M
HELP 1.64% 0.60% +1.04% $7M
BIIB 4.06% 3.20% +0.86% $17M
TARA 0.84% 0.00% +0.84% $3M

Top Sells (by % of Portfolio)

SymbolCur %Prior %Chg %Value
NICE 0.00% 6.30% -6.30% $0
QQQ 0.00% 3.81% -3.81% $0
TSEM 3.50% 6.23% -2.73% $14M
CDTX 0.00% 2.00% -2.00% $0
CLBT 0.00% 1.53% -1.53% $0
RAPP 0.00% 1.29% -1.29% $0
RARE 1.68% 2.93% -1.25% $7M
IMVT 0.00% 1.14% -1.14% $0
CYTK 1.42% 2.45% -1.03% $6M
RZLT 0.00% 0.95% -0.95% $0
PRAX 0.00% 0.85% -0.85% $0
AMZN 0.00% 0.83% -0.83% $0
META 0.00% 0.80% -0.80% $0
ORA 0.00% 0.77% -0.77% $0
VRNS 0.42% 1.17% -0.75% $2M

Sector Allocation Over Time

Market Cap Concentration

TierHoldingsValueWeight
Mega Cap 11 $43M 10.4%
Large Cap 15 $101M 24.6%
Mid Cap 31 $128M 31.2%
Small Cap 33 $111M 27.1%
Micro Cap 23 $27M 6.7%

Portfolio Analytics

Avg Market Cap
$105.6B
Median Market Cap
$2.0B
Avg P/E
49.2
Median P/E
34.8
Avg Dividend Yield
0.00%
Avg Beta
0.91
# Stocks
111
# ETFs / Funds
2

Top Holdings (113 total)

# Symbol % Port Shares Value Avg Price Q/Q Value Chg Share Chg Chg % Status
1 BIIB 4.06% 94,738 $17M $175.99 $5M +12,000 +14.5%
2 MLYS 3.97% 449,003 $16M $36.29 $8M +229,093 +104.2%
3 SNDX 3.90% 762,563 $16M $21.01 $10M +374,847 +96.7%
4 NVMI 3.83% 47,846 $16M $328.39 $2M +3,950 +9.0%
5 TSEM 3.50% 122,513 $14M $117.42 -$8M -189,289 -60.7%
6 COGT 3.27% 378,500 $13M $35.52 $12M +279,974 +284.2%
7 SNY 2.83% 239,515 $12M $48.46 $1M +20,000 +9.1%
8 LLY 2.37% 9,040 $10M $1,074.68 $2M -1,000 -10.0%
9 FOLD 2.28% 658,377 $9M $14.24 $2M -332,765 -33.6%
10 IMTX 2.20% 861,105 $9M $10.50 $4M +278,000 +47.7%
11 BMRN 2.13% 147,000 $9M $59.43 — +147,000 — NEW
12 BBIO 2.01% 107,746 $8M $76.49 $6M +67,000 +164.4%
13 ORIC 2.00% 1,004,378 $8M $8.18 $3M +572,685 +132.7%
14 DYN 1.87% 392,894 $8M $19.56 $2M -33,624 -7.9%
15 TRVI 1.82% 598,534 $7M $12.52 $2M -45,423 -7.0%
16 JNJ 1.81% 35,831 $7M $206.95 -$156K -5,000 -12.2%
17 SVRA 1.73% 1,178,164 $7M $6.03 $2M -172,169 -12.8%
18 SRRK 1.70% 158,265 $7M $44.05 — +158,265 — NEW
19 RARE 1.68% 300,623 $7M $23.00 -$4M -51,935 -14.7%
20 HELP 1.64% 825,576 $7M $8.18 $5M +455,200 +122.9%
21 ANNX 1.61% 1,316,212 $7M $5.02 $1M -478,175 -26.6%
22 BCRX 1.59% 837,889 $7M $7.80 — +837,889 — NEW
23 CLDX 1.59% 239,764 $7M $27.16 $1M +32,000 +15.4%
24 SLNO 1.54% 136,314 $6M $46.30 $3M +94,708 +227.6%
25 APLS 1.54% 250,961 $6M $25.12 $5M +187,301 +294.2%
26 GSK 1.46% 122,000 $6M $49.04 $717K — —
27 ENPH 1.46% 186,500 $6M $32.05 $5M +159,800 +598.5%
28 NVO 1.43% 115,677 $6M $50.88 $22K +10,000 +9.5%
29 CYTK 1.42% 91,717 $6M $63.54 -$3M -69,800 -43.2%
30 ABBV 1.41% 25,256 $6M $228.49 -$77K — —
31 SEDG 1.38% 196,536 $6M $28.85 $454K +55,570 +39.4%
32 ACAD 1.38% 212,202 $6M $26.71 $2M +63,302 +42.5%
33 VOR 1.31% 410,417 $5M $13.08 — +410,417 — NEW
34 MRK 1.25% 48,600 $5M $105.26 $1M — —
35 NVS 1.24% 37,000 $5M $137.87 $356K — —
36 FBRX 1.23% 185,869 $5M $27.27 -$2M -288,440 -60.8%
37 KOD 1.19% 175,500 $5M $27.96 — +175,500 — NEW
38 TNGX 1.17% 544,563 $5M $8.86 — +544,563 — NEW
39 ATXS 1.13% 355,725 $5M $13.09 $3M +104,500 +41.6%
40 CAMT 1.02% 39,498 $4M $106.35 $1M +10,450 +36.0%
41 RVMD 1.02% 52,500 $4M $79.65 $1M -7,500 -12.5%
42 AMD 0.94% 18,040 $4M $214.16 $1M +2,570 +16.6%
43 CLYM 0.91% 932,247 $4M $4.00 $3M +497,410 +114.4%
44 ACOG 0.90% 567,616 $4M $6.50 $1M +228,864 +67.6%
45 ELVN 0.85% 226,765 $3M $15.40 $79K +60,000 +36.0%
46 TARA 0.84% 650,000 $3M $5.33 — +650,000 — NEW
47 AVGO 0.82% 9,755 $3M $346.10 $1M +3,200 +48.8%
48 ELDN 0.78% 2,132,131 $3M $1.51 -$96K +851,898 +66.5%
49 BIOA 0.78% 243,035 $3M $13.23 — +243,035 — NEW
50 CRVS 0.76% 407,709 $3M $7.70 $135K — —
51 ESLT 0.75% 5,340 $3M $577.71 -$351K -1,400 -20.8%
52 KURA 0.75% 295,522 $3M $10.39 $898K +50,000 +20.4%
53 MAZE 0.72% 71,843 $3M $41.43 -$1M -82,500 -53.5%
54 ZIM 0.70% 136,005 $3M $21.23 — +136,005 — NEW
55 GPCR 0.69% 41,000 $3M $69.55 -$2M -132,931 -76.4%
56 EVMN 0.69% 166,147 $3M $17.12 — +166,147 — NEW
57 VSTM 0.65% 343,678 $3M $7.72 $2M +265,371 +338.9%
58 AMGN 0.60% 7,500 $2M $327.31 -$226K -2,000 -21.1%
59 NRIX 0.57% 124,000 $2M $18.97 — +124,000 — NEW
60 TENX 0.56% 190,111 $2M $12.19 — +190,111 — NEW
61 JANX 0.53% 157,840 $2M $13.80 $80K +72,000 +83.9%
62 PFE 0.52% 86,000 $2M $24.90 -$50K — —
63 TSHA 0.49% 368,146 $2M $5.50 $690K -40,000 -9.8%
64 CTNM 0.48% 173,475 $2M $11.43 — +173,475 — NEW
65 MDGL 0.47% 3,300 $2M $582.34 — +3,300 — NEW
66 VRNS 0.42% 52,500 $2M $32.80 -$3M -21,400 -29.0%
67 DTIL 0.40% 396,116 $2M $4.16 — +396,116 — NEW
68 VTYX 0.40% 180,114 $2M $9.03 $258K -260,000 -59.1%
69 IBIT 0.36% 30,055 $1M $49.65 $98K +8,600 +40.1%
70 DAWN 0.33% 145,371 $1M $9.32 $118K -30,000 -17.1%
71 VYGR 0.33% 339,761 $1M $3.93 $402K +140,000 +70.1%
72 TRDA 0.28% 110,942 $1M $10.28 — +110,942 — NEW
73 TNYA 0.26% 1,500,000 $1M $0.71 — +1,500,000 — NEW
74 CATX 0.23% 349,973 $962K $2.75 -$788K -160,370 -31.4%
75 BMY 0.23% 17,500 $944K $53.94 $155K — —
76 JSPR 0.22% 485,401 $888K $1.83 -$610K -144,069 -22.9%
77 PEPG 0.19% 121,467 $791K $6.51 -$1K -50,000 -29.2%
78 STTK 0.17% 195,212 $713K $3.65 — +195,212 — NEW
79 PALI 0.11% 184,100 $433K $2.35 — +184,100 — NEW
80 HOWL 0.10% 626,810 $397K $0.63 -$838K — —
81 PRLD 0.09% 122,752 $356K $2.90 — +122,752 — NEW
82 APRE 0.06% 270,000 $230K $0.85 -$168K — —
83 OKUR 0.04% 60,454 $175K $2.90 $9K — —
84 MREO 0.03% 255,400 $106K $0.42 — +255,400 — NEW
85 PMN 0.02% 11,807 $81K $6.83 — +11,807 — NEW
86 APLT —% 50,000 $5K $0.10 -$25K — —
87 CMMB —% — — — -$472K -179,425 -100.0% SOLD
88 ROIV —% — — — -$644K -42,571 -100.0% SOLD
89 RAPP —% — — — -$5M -157,533 -100.0% SOLD
90 PCVX —% — — — -$2M -50,000 -100.0% SOLD
91 NICE —% — — — -$23M -157,400 -100.0% SOLD
92 MIST —% — — — -$2M -820,000 -100.0% SOLD
93 RZLT —% — — — -$3M -363,947 -100.0% SOLD
94 LRMR —% — — — -$841K -260,385 -100.0% SOLD
95 MLTX —% — — — -$509K -71,010 -100.0% SOLD
96 IMNM —% — — — -$2M -147,200 -100.0% SOLD
97 QQQ —% — — — -$14M -22,960 -100.0% SOLD
98 SABS —% — — — -$1M -566,395 -100.0% SOLD
99 AMZN —% — — — -$3M -13,760 -100.0% SOLD
100 TECX —% — — — -$2M -115,908 -100.0% SOLD

Options Breakdown

13 Calls $30M Call Value 2 Puts $9M Put Value 0.28 P/C Ratio

Top Calls

SymbolSharesValueStatus
PRAX 40,000 $12M
RARE 350,000 $8M NEW
NICE 55,700 $6M NEW
TLT 47,000 $4M
GPCR — $0 SOLD
CDTX — $0 SOLD
MLTX — $0 SOLD
ROIV — $0 SOLD
SRPT — $0 SOLD
BBIO — $0 SOLD

Top Puts

SymbolSharesValueStatus
XBI 70,000 $9M NEW
ELDN — $0 SOLD

New Positions

SymbolValue% Port
BMRN $9M 2.13%
SRRK $7M 1.70%
BCRX $7M 1.59%
VOR $5M 1.31%
KOD $5M 1.19%
TNGX $5M 1.17%
TARA $3M 0.84%
BIOA $3M 0.78%
ZIM $3M 0.70%
EVMN $3M 0.69%
NRIX $2M 0.57%
TENX $2M 0.56%
CTNM $2M 0.48%
MDGL $2M 0.47%
DTIL $2M 0.40%

Sold Out Positions

SymbolValue% Port
BHVN — —%
ORA — —%
BCAX — —%
CMMB — —%
ARWR — —%
CEVA — —%
AMZN — —%
IMNM — —%
MLTX — —%
LRMR — —%
MIST — —%
DSGN — —%
IMVT — —%
META — —%
IDYA — —%
View SEC EDGAR Filings for SPHERA FUNDS MANAGEMENT LTD. →

Sign in to InsiderStreet

You'll also get our free weekly newsletter with
smart money signals, market insights, and alpha ideas.
Unsubscribe anytime.

For informational purposes only. Not investment advice. Data sourced from SEC filings. Privacy Terms