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ARDSLEY ADVISORY PARTNERS LP

Q1 2026 · Filed 2026-05-15
Market Value
$636M
-14.1%
Holdings
156
+14
New Purchases
47
Added To
30
Closed
41
Reduced
28
Top 10 Concentration
34.2%
Turnover
56.4%

Top Buys (by % of Portfolio)

SymbolCur %Prior %Chg %Value
UTHR 4.66% 0.00% +4.66% $30M
MOD 3.10% 0.06% +3.04% $20M
SNDK 4.20% 1.80% +2.40% $27M
META 2.52% 0.18% +2.34% $16M
SHLS 2.34% 0.03% +2.31% $15M
AMZN 3.47% 1.68% +1.79% $22M
AMLP 1.66% 0.00% +1.66% $11M
ANET 3.35% 1.77% +1.58% $21M
BSX 1.48% 0.00% +1.48% $9M
AMAT 1.34% 0.00% +1.34% $9M
EQIX 1.23% 0.00% +1.23% $8M
ZM 1.05% 0.00% +1.05% $7M
VIAV 2.09% 1.06% +1.04% $13M
VZ 1.03% 0.00% +1.03% $7M
EBAY 2.01% 1.00% +1.01% $13M

Top Sells (by % of Portfolio)

SymbolCur %Prior %Chg %Value
LLY 0.72% 5.80% -5.08% $5M
FSLR 0.00% 4.14% -4.14% $0
LITE 0.69% 3.98% -3.30% $4M
ARGX 0.00% 2.73% -2.73% $0
SLV 0.00% 2.56% -2.56% $0
AEIS 0.25% 2.06% -1.81% $2M
SHOP 0.00% 1.70% -1.70% $0
SMIN 0.00% 1.32% -1.32% $0
RUN 2.42% 3.68% -1.26% $15M
TXN 0.18% 1.41% -1.22% $1M
TER 0.35% 1.57% -1.22% $2M
CRM 0.00% 1.18% -1.18% $0
MDB 0.00% 1.17% -1.17% $0
JAZZ 0.00% 1.15% -1.15% $0
HUT 1.11% 2.23% -1.13% $7M

Sector Allocation Over Time

Market Cap Concentration

TierHoldingsValueWeight
Mega Cap 19 $175M 27.6%
Large Cap 64 $247M 38.9%
Mid Cap 40 $139M 21.9%
Small Cap 26 $65M 10.3%
Micro Cap 7 $9M 1.4%

Portfolio Analytics

Avg Market Cap
$195.3B
Median Market Cap
$12.0B
Avg P/E
55.5
Median P/E
31.8
Avg Dividend Yield
0.01%
Avg Beta
1.57
# Stocks
150
# ETFs / Funds
6

Top Holdings (156 total)

# Symbol % Port Shares Value Avg Price Q/Q Value Chg Share Chg Chg % Status
1 UTHR 4.66% 50,000 $30M $592.98 — +50,000 — NEW
2 AVGO 4.36% 89,500 $28M $309.66 -$1M +5,500 +6.5%
3 SNDK 4.20% 42,000 $27M $635.94 $13M -14,000 -25.0%
4 AMZN 3.47% 106,000 $22M $208.27 $10M +52,000 +96.3%
5 ANET 3.35% 173,700 $21M $122.78 $8M +73,700 +73.7%
6 SMTC 3.13% 258,750 $20M $76.89 $2M +21,750 +9.2%
7 MOD 3.10% 91,100 $20M $216.71 $19M +87,500 +2430.6%
8 SEZL 2.99% 300,000 $19M $63.29 $3M +55,000 +22.4%
9 META 2.52% 28,000 $16M $572.18 $15M +26,000 +1300.0%
10 RUN 2.42% 1,135,000 $15M $13.56 -$12M -345,000 -23.3%
11 NVDA 2.40% 87,500 $15M $174.40 -$8M -37,500 -30.0%
12 WULF 2.38% 1,050,000 $15M $14.40 $2M -115,000 -9.9%
13 BTSG 2.35% 350,000 $15M $42.61 $2M — —
14 SHLS 2.34% 2,260,000 $15M $6.58 $15M +2,235,000 +8940.0%
15 VIAV 2.09% 400,000 $13M $33.29 $5M -40,000 -9.1%
16 EBAY 2.01% 140,500 $13M $91.02 $5M +55,500 +65.3%
17 AMLP 1.66% 200,000 $11M $52.64 — +200,000 — NEW
18 NU 1.53% 675,000 $10M $14.37 -$1M +35,000 +5.5%
19 BSX 1.48% 150,000 $9M $62.75 — +150,000 — NEW
20 GOOG 1.35% 30,000 $9M $286.86 -$9M -27,000 -47.4%
21 AMAT 1.34% 25,000 $9M $341.79 — +25,000 — NEW
22 EQIX 1.23% 7,950 $8M $980.24 — +7,950 — NEW
23 AGI 1.22% 175,000 $8M $44.43 -$4M -125,000 -41.7%
24 NOW 1.19% 72,500 $8M $104.55 $6M +60,650 +511.8%
25 LSCC 1.19% 81,500 $8M $92.76 $1M -4,500 -5.2%
26 HUT 1.11% 150,000 $7M $46.91 -$10M -210,000 -58.3%
27 AVY 1.09% 40,000 $7M $172.68 $3M +19,000 +90.5%
28 XLU 1.08% 150,000 $7M $45.84 $3M +50,000 +50.0%
29 ZM 1.05% 83,000 $7M $80.70 — +83,000 — NEW
30 VZ 1.03% 130,000 $7M $50.20 — +130,000 — NEW
31 WGS 1.01% 100,000 $6M $64.22 -$731K +45,000 +81.8%
32 CVS 0.96% 85,000 $6M $71.82 -$641K — —
33 ALK 0.95% 165,000 $6M $36.78 — +165,000 — NEW
34 MIR 0.95% 325,000 $6M $18.59 -$2M — —
35 TWLO 0.93% 47,200 $6M $125.82 -$3M -15,300 -24.5%
36 CIFR 0.91% 450,000 $6M $12.86 — +450,000 — NEW
37 BOX 0.88% 236,000 $6M $23.64 — +236,000 — NEW
38 CWEN 0.86% 140,000 $6M $39.29 $512K -10,000 -6.7%
39 OKTA 0.84% 67,600 $5M $78.71 — +67,600 — NEW
40 SKE 0.82% 175,000 $5M $29.72 — +175,000 — NEW
41 BWXT 0.80% 25,000 $5M $204.49 $791K — —
42 ADI 0.80% 16,000 $5M $318.14 — +16,000 — NEW
43 NEP 0.79% 475,000 $5M $10.62 $544K +25,000 +5.6%
44 DNN 0.78% 1,400,000 $5M $3.53 -$6M -2,700,000 -65.8%
45 MU 0.74% 14,000 $5M $337.64 — +14,000 — NEW
46 LLY 0.72% 5,000 $5M $919.77 -$38M -35,000 -87.5%
47 LITE 0.69% 6,200 $4M $703.98 -$25M -73,800 -92.2%
48 ATEX 0.66% 110,000 $4M $38.19 — +110,000 — NEW
49 VCYT 0.63% 125,000 $4M $32.21 -$1M — —
50 ROKU 0.62% 41,500 $4M $94.62 $3M +32,500 +361.1%
51 FLR 0.61% 82,500 $4M $46.65 $679K +2,514 +3.1%
52 NFLX 0.60% 40,000 $4M $96.16 $3M +34,000 +566.7%
53 ADMA 0.60% 425,000 $4M $9.01 — +425,000 — NEW
54 PROF 0.59% 575,000 $4M $6.48 $184K +125,000 +27.8%
55 WMB 0.57% 50,000 $4M $72.78 $634K — —
56 TAC 0.57% 275,000 $4M $13.15 $1M +95,000 +52.8%
57 NXE 0.55% 300,000 $3M $11.60 -$7M -825,000 -73.3%
58 BKD 0.54% 250,000 $3M $13.68 — +250,000 — NEW
59 ORA 0.53% 30,000 $3M $111.92 $44K — —
60 ENPH 0.51% 85,000 $3M $37.81 $2M +47,500 +126.7%
61 MSFT 0.47% 8,000 $3M $369.96 -$8M -14,200 -64.0%
62 BRBR 0.44% 175,000 $3M $16.09 -$4M -65,000 -27.1%
63 ARM 0.43% 18,000 $3M $151.28 — +18,000 — NEW
64 FLNC 0.40% 185,000 $3M $13.76 — +185,000 — NEW
65 METC 0.39% 160,000 $2M $15.46 $2M +130,000 +433.3%
66 TIC 0.39% 375,000 $2M $6.58 $951K +225,000 +150.0%
67 CCJ 0.38% 22,500 $2M $108.61 -$758K -12,500 -35.7%
68 INTC 0.37% 53,000 $2M $44.19 $460K +2,000 +3.9%
69 WOLF 0.36% 140,000 $2M $16.34 -$585K -25,000 -15.2%
70 NET 0.35% 10,800 $2M $206.30 — +10,800 — NEW
71 TER 0.35% 7,500 $2M $296.46 -$9M -52,500 -87.5%
72 ORN 0.34% 200,000 $2M $10.90 -$2M -200,000 -50.0%
73 RSP 0.33% 11,000 $2M $191.92 — +11,000 — NEW
74 AMPX 0.33% 125,000 $2M $16.85 — +125,000 — NEW
75 FTNT 0.33% 25,600 $2M $81.72 — +25,600 — NEW
76 UPWK 0.33% 190,000 $2M $10.96 — +190,000 — NEW
77 FFIV 0.32% 7,100 $2M $289.33 — +7,100 — NEW
78 HASI 0.32% 55,000 $2M $36.75 $293K — —
79 DIOD 0.32% 29,500 $2M $68.26 — +29,500 — NEW
80 UBER 0.28% 24,500 $2M $71.93 — +24,500 — NEW
81 BE 0.28% 13,000 $2M $134.81 -$3M -38,000 -74.5%
82 AMD 0.26% 8,000 $2M $203.43 — +8,000 — NEW
83 AEIS 0.25% 5,000 $2M $322.71 -$14M -68,000 -93.2%
84 MTZ 0.25% 5,000 $2M $321.74 -$2M -10,000 -66.7%
85 ALDX 0.25% 950,000 $2M $1.69 -$6M -500,000 -34.5%
86 EQT 0.25% 25,000 $2M $63.64 $251K — —
87 EOSE 0.23% 300,000 $1M $4.96 -$5M -255,000 -46.0%
88 DT 0.23% 40,000 $1M $36.98 — +40,000 — NEW
89 ET 0.23% 75,000 $1M $19.21 $1M +50,000 +200.0%
90 STKL 0.22% 220,000 $1M $6.48 -$1M -470,000 -68.1%
91 CEG 0.22% 5,000 $1M $278.58 — +5,000 — NEW
92 ITRI 0.21% 15,000 $1M $89.63 $44K +1,000 +7.1%
93 ESOA 0.21% 100,000 $1M $13.13 $904K +50,000 +100.0%
94 CSLR 0.19% 960,000 $1M $1.27 $403K +440,000 +84.6%
95 PI 0.19% 11,500 $1M $102.70 $50K +5,000 +76.9%
96 TXN 0.18% 6,000 $1M $194.14 -$9M -54,000 -90.0%
97 XLF 0.18% 23,000 $1M $49.39 — +23,000 — NEW
98 LODE 0.17% 350,000 $1M $3.05 — +350,000 — NEW
99 MGNI 0.15% 78,000 $927K $11.88 — +78,000 — NEW
100 PLXS 0.14% 4,500 $911K $202.54 — +4,500 — NEW

Options Breakdown

42 Calls $109M Call Value 11 Puts $19M Put Value 0.17 P/C Ratio

Top Calls

SymbolSharesValueStatus
SPY 49,000 $32M NEW
AVGO 50,000 $15M
AMZN 48,000 $10M NEW
BKD 690,000 $9M
SNDK 13,000 $8M NEW
MU 17,000 $6M NEW
EQIX 4,000 $4M NEW
ANET 25,000 $3M
BOX 100,000 $2M NEW
SMTC 30,000 $2M

Top Puts

SymbolSharesValueStatus
AAPL 30,000 $8M NEW
HPE 155,000 $4M NEW
DOCN 35,000 $3M NEW
COHR 10,000 $2M
CNXC 40,000 $1M NEW
EXLS 25,000 $761K NEW
MRVL — $0 SOLD
DELL — $0 SOLD
GLW — $0 SOLD
INFY — $0 SOLD

New Positions

SymbolValue% Port
UTHR $30M 4.66%
AMLP $11M 1.66%
BSX $9M 1.48%
AMAT $9M 1.34%
EQIX $8M 1.23%
ZM $7M 1.05%
VZ $7M 1.03%
ALK $6M 0.95%
CIFR $6M 0.91%
BOX $6M 0.88%
OKTA $5M 0.84%
SKE $5M 0.82%
ADI $5M 0.80%
MU $5M 0.74%
ATEX $4M 0.66%

Sold Out Positions

SymbolValue% Port
ORCL — —%
CRM — —%
RH — —%
DECK — —%
AMRC — —%
VST — —%
EPAM — —%
HAL — —%
CW — —%
NEE — —%
DQ — —%
ONTO — —%
NOK — —%
OWL — —%
WRBY — —%
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