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ARDSLEY ADVISORY PARTNERS LP

Q4 2025 · Filed 2026-02-17
Market Value
$741M
+15.5%
Holdings
142
-3
New Purchases
45
Added To
28
Closed
33
Reduced
33
Top 10 Concentration
34.7%
Turnover
54.9%

Top Buys (by % of Portfolio)

SymbolCur %Prior %Chg %Value
LLY 5.80% 0.00% +5.80% $43M
SEZL 2.10% 0.00% +2.10% $16M
LITE 3.98% 2.18% +1.80% $29M
SMTC 2.36% 0.89% +1.47% $17M
TXN 1.41% 0.00% +1.41% $10M
SMIN 1.32% 0.00% +1.32% $10M
SLV 2.56% 1.32% +1.24% $19M
TWLO 1.20% 0.00% +1.20% $9M
MDB 1.17% 0.00% +1.17% $9M
JAZZ 1.15% 0.00% +1.15% $8M
VIAV 1.06% 0.00% +1.06% $8M
NXE 1.40% 0.35% +1.05% $10M
ARGX 2.73% 1.72% +1.00% $20M
ANET 1.77% 0.77% +1.00% $13M
CRM 1.18% 0.22% +0.96% $9M

Top Sells (by % of Portfolio)

SymbolCur %Prior %Chg %Value
ORCL 0.79% 3.72% -2.93% $6M
ARM 0.00% 2.38% -2.38% $0
GLW 0.00% 2.15% -2.15% $0
HUT 2.23% 4.34% -2.11% $17M
EOSE 0.86% 2.83% -1.97% $6M
SIMO 0.00% 1.97% -1.97% $0
MSFT 1.45% 2.98% -1.53% $11M
OKTA 0.00% 1.52% -1.52% $0
AAOI 0.12% 1.49% -1.37% $872K
RIOT 0.00% 1.34% -1.34% $0
P 0.00% 1.31% -1.31% $0
OSCR 0.00% 1.11% -1.11% $0
ADMA 0.00% 0.97% -0.97% $0
AMZN 1.68% 2.58% -0.90% $12M
APP 0.00% 0.90% -0.90% $0

Sector Allocation Over Time

Market Cap Concentration

TierHoldingsValueWeight
Mega Cap 17 $190M 25.7%
Large Cap 58 $356M 48.1%
Mid Cap 37 $104M 14.0%
Small Cap 23 $75M 10.1%
Micro Cap 7 $15M 2.0%

Portfolio Analytics

Avg Market Cap
$208.2B
Median Market Cap
$11.4B
Avg P/E
56.0
Median P/E
30.6
Avg Dividend Yield
0.01%
Avg Beta
1.65
# Stocks
139
# ETFs / Funds
3

Top Holdings (142 total)

# Symbol % Port Shares Value Avg Price Q/Q Value Chg Share Chg Chg % Status
1 LLY 5.80% 40,000 $43M $1,074.68 — +40,000 — NEW
2 FSLR 4.14% 117,500 $31M $261.23 $2M -11,500 -8.9%
3 LITE 3.98% 80,000 $29M $368.59 $15M -6,000 -7.0%
4 AVGO 3.93% 84,000 $29M $346.20 $9M +23,500 +38.8%
5 RUN 3.68% 1,480,000 $27M $18.40 -$432K -120,000 -7.5%
6 NVDA 3.15% 125,000 $23M $186.50 $9M +46,000 +58.2%
7 ARGX 2.73% 24,000 $20M $840.95 $9M +9,000 +60.0%
8 SLV 2.56% 295,000 $19M $64.37 $11M +95,000 +47.5%
9 GOOG 2.42% 57,000 $18M $313.80 -$1M -21,000 -26.9%
10 SMTC 2.36% 237,000 $17M $73.69 $12M +157,000 +196.2%
11 HUT 2.23% 360,000 $17M $45.94 -$11M -440,000 -55.0%
12 SEZL 2.10% 245,000 $16M $63.48 — +245,000 — NEW
13 AEIS 2.06% 73,000 $15M $209.37 $8M +28,500 +64.0%
14 WULF 1.81% 1,165,000 $13M $11.49 -$354K -35,000 -2.9%
15 SNDK 1.80% 56,000 $13M $237.38 $2M -44,000 -44.0%
16 BTSG 1.77% 350,000 $13M $37.45 -$194K -100,000 -22.2%
17 ANET 1.77% 100,000 $13M $131.03 $8M +66,000 +194.1%
18 SHOP 1.70% 78,400 $13M $160.99 $257K -4,800 -5.8%
19 AMZN 1.68% 54,000 $12M $230.91 -$4M -21,500 -28.5%
20 TER 1.57% 60,000 $12M $193.56 -$499K -28,000 -31.8%
21 AGI 1.56% 300,000 $12M $38.58 $244K -25,000 -7.7%
22 DNN 1.47% 4,100,000 $11M $2.66 $5M +2,100,000 +105.0%
23 MSFT 1.45% 22,200 $11M $483.60 -$8M -14,800 -40.0%
24 NU 1.45% 640,000 $11M $16.73 $701K +15,000 +2.4%
25 TXN 1.41% 60,000 $10M $173.49 — +60,000 — NEW
26 NXE 1.40% 1,125,000 $10M $9.20 $8M +875,000 +350.0%
27 SMIN 1.32% 140,000 $10M $69.91 — +140,000 — NEW
28 TWLO 1.20% 62,500 $9M $142.24 — +62,500 — NEW
29 CRM 1.18% 33,000 $9M $264.64 $7M +27,000 +450.0%
30 MDB 1.17% 20,750 $9M $419.00 — +20,750 — NEW
31 JAZZ 1.15% 50,000 $8M $170.00 — +50,000 — NEW
32 VIAV 1.06% 440,000 $8M $17.82 — +440,000 — NEW
33 MIR 1.03% 325,000 $8M $23.42 -$23K -3,220 -1.0%
34 ALDX 1.01% 1,450,000 $8M $5.18 -$2M -450,000 -23.7%
35 EBAY 1.00% 85,000 $7M $87.10 $2M +26,000 +44.1%
36 PANW 0.99% 40,000 $7M $184.20 $995K +8,700 +27.8%
37 WGS 0.97% 55,000 $7M $130.06 $689K -5,000 -8.3%
38 ONTO 0.93% 43,500 $7M $157.86 $2M +3,000 +7.4%
39 SANM 0.92% 45,200 $7M $150.07 — +45,200 — NEW
40 CVS 0.91% 85,000 $7M $79.36 -$793K -15,000 -15.0%
41 BRBR 0.87% 240,000 $6M $26.73 — +240,000 — NEW
42 EOSE 0.86% 555,000 $6M $11.46 -$12M -1,045,000 -65.3%
43 LSCC 0.85% 86,000 $6M $73.58 -$2M -28,500 -24.9%
44 ORCL 0.79% 30,000 $6M $194.91 -$18M -55,000 -64.7%
45 RH 0.73% 30,000 $5M $179.15 — +30,000 — NEW
46 VCYT 0.71% 125,000 $5M $42.10 — +125,000 — NEW
47 CWEN 0.67% 150,000 $5M $33.26 $1M +25,000 +20.0%
48 THC 0.67% 25,000 $5M $198.72 -$2M -10,000 -28.6%
49 OWL 0.66% 325,000 $5M $14.94 — +325,000 — NEW
50 NEP 0.61% 450,000 $4M $10.00 -$4M -430,000 -48.9%
51 BE 0.60% 51,000 $4M $86.89 $4M +46,000 +920.0%
52 BWXT 0.58% 25,000 $4M $172.84 -$3M -15,000 -37.5%
53 XLU 0.58% 100,000 $4M $42.72 — +100,000 — NEW
54 ORN 0.54% 400,000 $4M $9.94 $856K +25,000 +6.7%
55 BKR 0.52% 85,000 $4M $45.54 -$270K — —
56 AVY 0.52% 21,000 $4M $181.88 — +21,000 — NEW
57 NOK 0.50% 560,000 $4M $6.55 $2M +225,094 +67.2%
58 DECK 0.49% 35,000 $4M $103.67 — +35,000 — NEW
59 PROF 0.48% 450,000 $4M $7.87 $2M +120,000 +36.4%
60 ABNB 0.48% 26,000 $4M $135.72 — +26,000 — NEW
61 ORA 0.45% 30,000 $3M $110.47 — +30,000 — NEW
62 MTZ 0.44% 15,000 $3M $217.37 -$996K -5,000 -25.0%
63 CCJ 0.43% 35,000 $3M $91.49 $2M +25,000 +250.0%
64 FLR 0.43% 79,986 $3M $39.63 -$3M -55,014 -40.8%
65 NXPI 0.43% 14,500 $3M $217.06 — +14,500 — NEW
66 TE 0.42% 465,000 $3M $6.66 — +465,000 — NEW
67 WMB 0.41% 50,000 $3M $60.11 -$2M -25,000 -33.3%
68 WOLF 0.39% 165,000 $3M $17.41 — +165,000 — NEW
69 HAL 0.38% 100,000 $3M $28.26 — +100,000 — NEW
70 STKL 0.35% 690,000 $3M $3.80 -$3M -330,000 -32.4%
71 DQ 0.34% 85,000 $3M $29.50 -$306K -15,000 -15.0%
72 MELI 0.33% 1,200 $2M $2,014.26 — +1,200 — NEW
73 TAC 0.31% 180,000 $2M $12.65 $705K +65,000 +56.5%
74 SLNH 0.27% 1,725,000 $2M $1.17 — +1,725,000 — NEW
75 NEE 0.27% 25,000 $2M $80.28 — +25,000 — NEW
76 INTC 0.25% 51,000 $2M $36.90 -$2M -59,500 -53.9%
77 CTSH 0.25% 22,000 $2M $83.00 — +22,000 — NEW
78 NOW 0.24% 11,850 $2M $153.01 — +11,850 — NEW
79 HASI 0.23% 55,000 $2M $31.43 $40K — —
80 TRIP 0.22% 114,000 $2M $14.56 $1M +96,000 +533.3%
81 SNAP 0.22% 200,000 $2M $8.07 — +200,000 — NEW
82 AFRM 0.21% 21,000 $2M $74.11 $95K +1,000 +5.0%
83 GLBE 0.21% 39,000 $2M $39.31 — +39,000 — NEW
84 TIC 0.20% 150,000 $2M $10.11 $851K +100,000 +200.0%
85 AMRC 0.20% 50,000 $1M $29.29 -$214K — —
86 EPAM 0.19% 7,000 $1M $204.88 — +7,000 — NEW
87 CW 0.19% 2,500 $1M $551.27 — +2,500 — NEW
88 EQT 0.18% 25,000 $1M $53.60 — +25,000 — NEW
89 META 0.18% 2,000 $1M $660.09 — +2,000 — NEW
90 ITRI 0.18% 14,000 $1M $92.86 — +14,000 — NEW
91 ENPH 0.16% 37,500 $1M $32.10 — +37,500 — NEW
92 PI 0.15% 6,500 $1M $174.01 — +6,500 — NEW
93 COMP 0.14% 100,000 $1M $10.57 — +100,000 — NEW
94 ROKU 0.13% 9,000 $976K $108.48 $175K +1,000 +12.5%
95 UEC 0.12% 75,000 $876K $11.68 — +75,000 — NEW
96 AAOI 0.12% 25,000 $872K $34.86 -$9M -339,500 -93.1%
97 CSLR 0.11% 520,000 $816K $1.57 $447K +310,000 +147.6%
98 VST 0.11% 5,000 $807K $161.32 — +5,000 — NEW
99 BIOX 0.08% 475,000 $622K $1.31 $538K +415,000 +691.7%
100 XMTR 0.08% 10,000 $595K $59.47 — +10,000 — NEW

Options Breakdown

35 Calls $109M Call Value 13 Puts $17M Put Value 0.16 P/C Ratio

Top Calls

SymbolSharesValueStatus
AVGO 50,000 $17M
ORCL 48,000 $9M
ARM 85,000 $9M
ABNB 55,000 $7M NEW
BKD 690,000 $7M NEW
ICLN 450,000 $7M
PANW 29,000 $5M NEW
ANET 40,000 $5M NEW
TAN 100,000 $5M
CRM 18,000 $5M

Top Puts

SymbolSharesValueStatus
TTD 165,000 $6M NEW
DELL 36,000 $5M NEW
INFY 140,000 $2M
GLW 20,000 $2M NEW
COHR 7,000 $1M
MRVL 10,000 $850K
ADI — $0 SOLD
SMR — $0 SOLD
ON — $0 SOLD
APH — $0 SOLD

New Positions

SymbolValue% Port
LLY $43M 5.80%
SEZL $16M 2.10%
TXN $10M 1.41%
SMIN $10M 1.32%
TWLO $9M 1.20%
MDB $9M 1.17%
JAZZ $8M 1.15%
VIAV $8M 1.06%
SANM $7M 0.92%
BRBR $6M 0.87%
RH $5M 0.73%
VCYT $5M 0.71%
OWL $5M 0.66%
XLU $4M 0.58%
AVY $4M 0.52%

Sold Out Positions

SymbolValue% Port
NKE — —%
P — —%
AES — —%
IBM — —%
NRGV — —%
ETSY — —%
FLS — —%
TTI — —%
PD — —%
NPWR — —%
OSCR — —%
COHR — —%
BFLY — —%
TSM — —%
CLNE — —%
View SEC EDGAR Filings for ARDSLEY ADVISORY PARTNERS LP →

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