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ARDSLEY ADVISORY PARTNERS LP

Q1 2026 · Filed 2026-05-15
Market Value
$653M
-16.6%
Holdings
158
+14
New Purchases
47
Added To
29
Closed
43
Reduced
29
Top 10 Concentration
33.5%
Turnover
57.0%

Top Buys (by % of Portfolio)

SymbolCur %Prior %Chg %Value
UTHR 4.54% 0.00% +4.54% $30M
MOD 3.02% 0.06% +2.96% $20M
SNDK 4.09% 1.70% +2.39% $27M
META 2.45% 0.17% +2.29% $16M
SHLS 2.28% 0.03% +2.25% $15M
AMZN 3.38% 1.59% +1.79% $22M
AMLP 1.61% 0.00% +1.61% $11M
ANET 3.27% 1.67% +1.59% $21M
BSX 1.44% 0.00% +1.44% $9M
AMAT 1.31% 0.00% +1.31% $9M
EQIX 1.19% 0.00% +1.19% $8M
VIAV 2.04% 1.00% +1.04% $13M
ZM 1.03% 0.00% +1.03% $7M
EBAY 1.96% 0.95% +1.01% $13M
VZ 1.00% 0.00% +1.00% $7M

Top Sells (by % of Portfolio)

SymbolCur %Prior %Chg %Value
LLY 0.70% 5.49% -4.79% $5M
FSLR 0.00% 3.92% -3.92% $0
LITE 0.67% 3.77% -3.10% $4M
ARGX 0.00% 2.58% -2.58% $0
SLV 0.00% 2.43% -2.43% $0
TEL 0.00% 2.14% -2.14% $0
AEIS 0.25% 1.95% -1.71% $2M
SHOP 0.00% 1.61% -1.61% $0
GSM 0.00% 1.26% -1.26% $0
SMIN 0.00% 1.25% -1.25% $0
TXN 0.18% 1.33% -1.15% $1M
TER 0.34% 1.48% -1.14% $2M
RUN 2.36% 3.48% -1.12% $15M
CRM 0.00% 1.12% -1.12% $0
MDB 0.00% 1.11% -1.11% $0

Sector Allocation Over Time

Market Cap Concentration

TierHoldingsValueWeight
Mega Cap 17 $155M 23.8%
Large Cap 74 $323M 49.5%
Mid Cap 38 $117M 17.9%
Small Cap 24 $51M 7.8%
Micro Cap 5 $7M 1.0%

Portfolio Analytics

Avg Market Cap
$185.2B
Median Market Cap
$14.2B
Avg P/E
53.1
Median P/E
35.0
Avg Dividend Yield
0.01%
Avg Beta
1.50
# Stocks
152
# ETFs / Funds
6

Top Holdings (158 total)

# Symbol % Port Shares Value Avg Price Q/Q Value Chg Share Chg Chg % Status
1 UTHR 4.54% 50,000 $30M $592.98 +50,000 NEW
2 AVGO 4.25% 89,500 $28M $309.66 -$1M +5,500 +6.5%
3 SNDK 4.09% 42,000 $27M $635.94 $13M -14,000 -25.0%
4 AMZN 3.38% 106,000 $22M $208.27 $10M +52,000 +96.3%
5 ANET 3.27% 173,700 $21M $122.78 $8M +73,700 +73.7%
6 SMTC 3.05% 258,750 $20M $76.89 $2M +21,750 +9.2%
7 MOD 3.02% 91,100 $20M $216.71 $19M +87,500 +2430.6%
8 SEZL 2.91% 300,000 $19M $63.29 $3M +55,000 +22.4%
9 TEVA 2.56% 555,000 $17M $30.12 -$1M -25,000 -4.3%
10 META 2.45% 28,000 $16M $572.18 $15M +26,000 +1300.0%
11 RUN 2.36% 1,135,000 $15M $13.56 -$12M -345,000 -23.3%
12 NVDA 2.34% 87,500 $15M $174.40 -$8M -37,500 -30.0%
13 WULF 2.32% 1,050,000 $15M $14.40 $2M -115,000 -9.9%
14 BTSG 2.28% 350,000 $15M $42.61 $2M
15 SHLS 2.28% 2,260,000 $15M $6.58 $15M +2,235,000 +8940.0%
16 VIAV 2.04% 400,000 $13M $33.29 $5M -40,000 -9.1%
17 EBAY 1.96% 140,500 $13M $91.02 $5M +55,500 +65.3%
18 AMLP 1.61% 200,000 $11M $52.64 +200,000 NEW
19 NU 1.49% 675,000 $10M $14.37 -$1M +35,000 +5.5%
20 BSX 1.44% 150,000 $9M $62.75 +150,000 NEW
21 GOOG 1.32% 30,000 $9M $286.86 -$9M -27,000 -47.4%
22 AMAT 1.31% 25,000 $9M $341.79 +25,000 NEW
23 EQIX 1.19% 7,950 $8M $980.24 +7,950 NEW
24 AGI 1.19% 175,000 $8M $44.43 -$4M -125,000 -41.7%
25 NOW 1.16% 72,500 $8M $104.55 $6M +60,650 +511.8%
26 LSCC 1.16% 81,500 $8M $92.76 $1M -4,500 -5.2%
27 HUT.TO 1.08% 150,000 $7M $46.91 -$10M -210,000 -58.3%
28 AVY 1.06% 40,000 $7M $172.68 $3M +19,000 +90.5%
29 XLU 1.05% 150,000 $7M $45.84 $3M +50,000 +50.0%
30 ZM 1.03% 83,000 $7M $80.70 +83,000 NEW
31 VZ 1.00% 130,000 $7M $50.20 +130,000 NEW
32 WGS 0.98% 100,000 $6M $64.22 -$731K +45,000 +81.8%
33 CVS 0.94% 85,000 $6M $71.82 -$641K
34 ALK 0.93% 165,000 $6M $36.78 +165,000 NEW
35 MIR 0.93% 325,000 $6M $18.59 -$2M
36 TWLO 0.91% 47,200 $6M $125.82 -$3M -15,300 -24.5%
37 CIFR 0.89% 450,000 $6M $12.86 +450,000 NEW
38 BOX 0.85% 236,000 $6M $23.64 +236,000 NEW
39 CWEN 0.84% 140,000 $6M $39.29 $512K -10,000 -6.7%
40 OKTA 0.81% 67,600 $5M $78.71 +67,600 NEW
41 SKE.TO 0.80% 175,000 $5M $29.72 +175,000 NEW
42 BWXT 0.78% 25,000 $5M $204.49 $791K
43 ADI 0.78% 16,000 $5M $318.14 +16,000 NEW
44 XIFR 0.77% 475,000 $5M $10.62 $544K +25,000 +5.6%
45 DNN 0.76% 1,400,000 $5M $3.53 -$6M -2,700,000 -65.8%
46 MU 0.72% 14,000 $5M $337.64 +14,000 NEW
47 LLY 0.70% 5,000 $5M $919.77 -$38M -35,000 -87.5%
48 LITE 0.67% 6,200 $4M $703.98 -$25M -73,800 -92.2%
49 ATEX 0.64% 110,000 $4M $38.19 +110,000 NEW
50 VCYT 0.62% 125,000 $4M $32.21 -$1M
51 ROKU 0.60% 41,500 $4M $94.62 $3M +32,500 +361.1%
52 FLR 0.59% 82,500 $4M $46.65 $679K +2,514 +3.1%
53 NFLX 0.59% 40,000 $4M $96.16 $3M +34,000 +566.7%
54 ADMA 0.59% 425,000 $4M $9.01 +425,000 NEW
55 HON 0.57% 16,500 $4M $226.03 +16,500 NEW
56 PROF 0.57% 575,000 $4M $6.48 $184K +125,000 +27.8%
57 WMB 0.56% 50,000 $4M $72.78 $634K
58 TAC 0.55% 275,000 $4M $13.15 $1M +95,000 +52.8%
59 NXE 0.53% 300,000 $3M $11.60 -$7M -825,000 -73.3%
60 BKD 0.52% 250,000 $3M $13.68 +250,000 NEW
61 ORA 0.51% 30,000 $3M $111.92 $44K
62 ENPH 0.49% 85,000 $3M $37.81 $2M +47,500 +126.7%
63 MSFT 0.45% 8,000 $3M $369.96 -$8M -14,200 -64.0%
64 BRBR 0.43% 175,000 $3M $16.09 -$4M -65,000 -27.1%
65 ARM 0.42% 18,000 $3M $151.28 +18,000 NEW
66 FLNC 0.39% 185,000 $3M $13.76 +185,000 NEW
67 TIC 0.38% 375,000 $2M $6.58 $951K +225,000 +150.0%
68 CCJ 0.37% 22,500 $2M $108.61 -$758K -12,500 -35.7%
69 INTC 0.36% 53,000 $2M $44.19 $460K +2,000 +3.9%
70 WOLF 0.35% 140,000 $2M $16.34 -$585K -25,000 -15.2%
71 NET 0.34% 10,800 $2M $206.30 +10,800 NEW
72 TER 0.34% 7,500 $2M $296.46 -$9M -52,500 -87.5%
73 ORN 0.33% 200,000 $2M $10.90 -$2M -200,000 -50.0%
74 RSP 0.32% 11,000 $2M $191.92 +11,000 NEW
75 AMPX 0.32% 125,000 $2M $16.85 +125,000 NEW
76 FTNT 0.32% 25,600 $2M $81.72 +25,600 NEW
77 UPWK 0.32% 190,000 $2M $10.96 +190,000 NEW
78 FFIV 0.31% 7,100 $2M $289.33 +7,100 NEW
79 HASI 0.31% 55,000 $2M $36.75 $293K
80 DIOD 0.31% 29,500 $2M $68.26 +29,500 NEW
81 UBER 0.27% 24,500 $2M $71.93 +24,500 NEW
82 BE 0.27% 13,000 $2M $134.81 -$3M -38,000 -74.5%
83 AMD 0.25% 8,000 $2M $203.43 +8,000 NEW
84 AEIS 0.25% 5,000 $2M $322.71 -$14M -68,000 -93.2%
85 MTZ 0.25% 5,000 $2M $321.74 -$2M -10,000 -66.7%
86 ALDX 0.25% 950,000 $2M $1.69 -$6M -500,000 -34.5%
87 EQT 0.24% 25,000 $2M $63.64 $251K
88 EOSE 0.23% 300,000 $1M $4.96 -$5M -255,000 -46.0%
89 DT 0.23% 40,000 $1M $36.98 +40,000 NEW
90 ET 0.22% 75,000 $1M $19.21 $1M +50,000 +200.0%
91 STKL 0.22% 220,000 $1M $6.48 -$1M -470,000 -68.1%
92 CEG 0.21% 5,000 $1M $278.58 +5,000 NEW
93 ITRI 0.21% 15,000 $1M $89.63 $44K +1,000 +7.1%
94 ESOA 0.20% 100,000 $1M $13.13 $904K +50,000 +100.0%
95 CSLR 0.19% 960,000 $1M $1.27 $403K +440,000 +84.6%
96 PI 0.18% 11,500 $1M $102.70 $50K +5,000 +76.9%
97 TXN 0.18% 6,000 $1M $194.14 -$9M -54,000 -90.0%
98 XLF 0.17% 23,000 $1M $49.39 +23,000 NEW
99 MGNI 0.14% 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
TTD $0 SOLD
MRVL $0 SOLD
INFY $0 SOLD
DELL $0 SOLD

New Positions

SymbolValue% Port
UTHR $30M 4.54%
AMLP $11M 1.61%
BSX $9M 1.44%
AMAT $9M 1.31%
EQIX $8M 1.19%
ZM $7M 1.03%
VZ $7M 1.00%
ALK $6M 0.93%
CIFR $6M 0.89%
BOX $6M 0.85%
OKTA $5M 0.81%
SKE.TO $5M 0.80%
ADI $5M 0.78%
MU $5M 0.72%
ATEX $4M 0.64%

Sold Out Positions

SymbolValue% Port
RH —%
DECK —%
NOK —%
NEE —%
HAL —%
CRM —%
DQ —%
AMRC —%
VST —%
TEL —%
EPAM —%
ONTO —%
OWL —%
TE —%
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