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Asset Manager ← All Institutions

ARDSLEY ADVISORY PARTNERS LP

Q2 2026 · Filed 2026-07-13
Market Value
$896M
+40.9%
Holdings
171
+15
New Purchases
56
Added To
28
Closed
44
Reduced
30
Top 10 Concentration
32.5%
Turnover
58.5%

Top Buys (by % of Portfolio)

SymbolCur %Prior %Chg %Value
AMD 6.03% 0.26% +5.77% $54M
SNDK 6.33% 4.20% +2.13% $57M
P 2.04% 0.00% +2.04% $18M
PANW 1.63% 0.00% +1.63% $15M
PRIM 1.49% 0.00% +1.49% $13M
AAPL 1.45% 0.00% +1.45% $13M
ARM 1.86% 0.43% +1.43% $17M
ONTO 1.33% 0.00% +1.33% $12M
SNX 1.30% 0.00% +1.30% $12M
ALGT 1.18% 0.00% +1.18% $11M
SEZL 4.12% 2.99% +1.13% $37M
OSCR 1.11% 0.00% +1.11% $10M
CBRS 0.97% 0.00% +0.97% $9M
RELY 0.94% 0.00% +0.94% $8M
DVN 0.92% 0.00% +0.92% $8M

Top Sells (by % of Portfolio)

SymbolCur %Prior %Chg %Value
AVGO 0.88% 4.36% -3.47% $8M
ANET 0.00% 3.35% -3.35% $0
UTHR 1.81% 4.66% -2.85% $16M
META 0.00% 2.52% -2.52% $0
NVDA 0.00% 2.40% -2.40% $0
SMTC 0.81% 3.13% -2.32% $7M
MOD 1.34% 3.10% -1.76% $12M
AMZN 1.84% 3.47% -1.64% $16M
BSX 0.00% 1.48% -1.48% $0
AMAT 0.00% 1.34% -1.34% $0
LSCC 0.00% 1.19% -1.19% $0
XLU 0.00% 1.08% -1.08% $0
NOW 0.24% 1.19% -0.95% $2M
AVY 0.22% 1.09% -0.87% $2M
AGI 0.36% 1.22% -0.87% $3M

Sector Allocation Over Time

Market Cap Concentration

TierHoldingsValueWeight
Mega Cap 21 $207M 23.1%
Large Cap 66 $353M 39.3%
Mid Cap 47 $243M 27.1%
Small Cap 31 $83M 9.3%
Micro Cap 6 $10M 1.2%

Portfolio Analytics

Avg Market Cap
$209.9B
Median Market Cap
$11.6B
Avg P/E
52.4
Median P/E
31.2
Avg Dividend Yield
0.01%
Avg Beta
1.52
# Stocks
167
# ETFs / Funds
4

Top Holdings (171 total)

# Symbol % Port Shares Value Avg Price Q/Q Value Chg Share Chg Chg % Status
1 SNDK 6.33% 25,000 $57M $2,267.62 $30M -17,000 -40.5%
2 AMD 6.03% 93,000 $54M $580.91 $52M +85,000 +1062.5%
3 SEZL 4.12% 215,000 $37M $171.63 $18M -85,000 -28.3%
4 WULF 2.64% 966,000 $24M $24.52 $9M -84,000 -8.0%
5 BTSG 2.53% 325,000 $23M $69.74 $8M -25,000 -7.1%
6 EBAY 2.48% 201,000 $22M $110.75 $9M +60,500 +43.1%
7 RUN 2.39% 1,600,000 $21M $13.38 $6M +465,000 +41.0%
8 VIAV 2.08% 390,000 $19M $47.75 $5M -10,000 -2.5%
9 P 2.04% 233,000 $18M $78.55 — +233,000 — NEW
10 ARM 1.86% 47,000 $17M $353.70 $14M +29,000 +161.1%
11 SHLS 1.84% 1,665,000 $16M $9.90 $2M -595,000 -26.3%
12 AMZN 1.84% 69,000 $16M $238.34 -$6M -37,000 -34.9%
13 UTHR 1.81% 30,000 $16M $541.83 -$13M -20,000 -40.0%
14 GOOG 1.71% 43,500 $15M $352.82 $7M +13,500 +45.0%
15 PANW 1.63% 43,000 $15M $340.42 — +43,000 — NEW
16 TWLO 1.59% 69,000 $14M $206.33 $8M +21,800 +46.2%
17 PRIM 1.49% 135,000 $13M $99.14 — +135,000 — NEW
18 AAPL 1.45% 45,000 $13M $289.00 — +45,000 — NEW
19 ZM 1.40% 145,000 $13M $86.31 $6M +62,000 +74.7%
20 MOD 1.34% 45,000 $12M $267.02 -$8M -46,100 -50.6%
21 ONTO 1.33% 31,500 $12M $378.45 — +31,500 — NEW
22 SNX 1.30% 43,500 $12M $267.34 — +43,500 — NEW
23 ENPH 1.20% 220,000 $11M $49.01 $8M +135,000 +158.8%
24 ALGT 1.18% 90,000 $11M $117.60 — +90,000 — NEW
25 OKTA 1.16% 76,500 $10M $136.45 $5M +8,900 +13.2%
26 EQIX 1.16% 10,000 $10M $1,042.39 $3M +2,050 +25.8%
27 HUT 1.16% 90,000 $10M $115.45 $3M -60,000 -40.0%
28 AMLP 1.16% 200,000 $10M $51.85 -$158K — —
29 OSCR 1.11% 350,000 $10M $28.52 — +350,000 — NEW
30 BE 1.05% 31,000 $9M $303.20 $8M +18,000 +138.5%
31 CIFR 1.02% 375,000 $9M $24.48 $3M -75,000 -16.7%
32 NU 1.00% 675,000 $9M $13.34 -$695K — —
33 CBRS 0.97% 39,000 $9M $222.00 — +39,000 — NEW
34 LITE 0.95% 10,000 $9M $852.51 $4M +3,800 +61.3%
35 RELY 0.94% 375,000 $8M $22.41 — +375,000 — NEW
36 DVN 0.92% 200,000 $8M $41.30 — +200,000 — NEW
37 AVGO 0.88% 21,000 $8M $377.49 -$20M -68,500 -76.5%
38 ALK 0.87% 150,000 $8M $52.20 $2M -15,000 -9.1%
39 GLW 0.86% 30,000 $8M $255.41 — +30,000 — NEW
40 FLR 0.83% 142,500 $7M $52.39 $4M +60,000 +72.7%
41 VRTX 0.83% 15,000 $7M $496.73 — +15,000 — NEW
42 VCYT 0.82% 125,000 $7M $58.73 $3M — —
43 SMTC 0.81% 45,000 $7M $161.85 -$13M -213,750 -82.6%
44 JAZZ 0.81% 30,000 $7M $240.97 — +30,000 — NEW
45 AKAM 0.74% 56,000 $7M $118.21 — +56,000 — NEW
46 VZ 0.73% 155,000 $7M $42.38 $43K +25,000 +19.2%
47 BOX 0.71% 240,000 $6M $26.54 $791K +4,000 +1.7%
48 MCHP 0.71% 70,000 $6M $90.50 — +70,000 — NEW
49 SLB 0.70% 135,000 $6M $46.49 — +135,000 — NEW
50 NEP 0.69% 525,000 $6M $11.81 $1M +50,000 +10.5%
51 CAMT 0.67% 37,000 $6M $163.12 — +37,000 — NEW
52 MIR 0.65% 325,000 $6M $17.93 -$214K — —
53 CRM 0.63% 36,000 $6M $156.66 — +36,000 — NEW
54 GMTL 0.63% 400,000 $6M $14.01 — +400,000 — NEW
55 WGS 0.57% 75,000 $5M $68.65 -$1M -25,000 -25.0%
56 AAOI 0.57% 35,000 $5M $146.68 — +35,000 — NEW
57 ADMA 0.56% 600,000 $5M $8.37 $1M +175,000 +41.2%
58 CWEN 0.53% 140,000 $5M $34.18 -$715K — —
59 TAC 0.53% 345,000 $5M $13.83 $1M +70,000 +25.4%
60 PI 0.53% 33,000 $5M $143.23 $4M +21,500 +187.0%
61 BWA 0.52% 70,000 $5M $66.40 — +70,000 — NEW
62 NAVN 0.51% 200,000 $5M $22.87 — +200,000 — NEW
63 GFS 0.50% 54,500 $4M $82.41 — +54,500 — NEW
64 FLS 0.50% 60,000 $4M $74.16 — +60,000 — NEW
65 FCEL 0.49% 120,000 $4M $36.29 $4M +75,000 +166.7%
66 LRCX 0.48% 10,000 $4M $433.33 — +10,000 — NEW
67 CVS 0.46% 40,000 $4M $103.45 -$2M -45,000 -52.9%
68 MANH 0.44% 28,500 $4M $139.25 — +28,500 — NEW
69 GLBE 0.44% 113,000 $4M $34.73 — +113,000 — NEW
70 BWXT 0.43% 20,000 $4M $194.65 -$1M -5,000 -20.0%
71 APH 0.43% 22,000 $4M $176.32 — +22,000 — NEW
72 TXN 0.43% 13,000 $4M $298.07 $3M +7,000 +116.7%
73 SKE 0.43% 145,000 $4M $26.66 -$1M -30,000 -17.1%
74 PROF 0.43% 575,000 $4M $6.65 $98K — —
75 WMB 0.41% 50,000 $4M $74.34 $78K — —
76 SHOP 0.41% 32,500 $4M $114.12 — +32,500 — NEW
77 WDC 0.39% 5,500 $4M $638.74 — +5,500 — NEW
78 AEVA 0.39% 121,500 $3M $28.72 — +121,500 — NEW
79 ORN 0.38% 200,000 $3M $16.82 $1M — —
80 TIC 0.36% 400,000 $3M $8.09 $768K +25,000 +6.7%
81 EOSE 0.36% 550,000 $3M $5.87 $2M +250,000 +83.3%
82 AGI 0.36% 105,000 $3M $30.34 -$5M -70,000 -40.0%
83 COHU 0.34% 41,700 $3M $73.91 — +41,700 — NEW
84 FLEX 0.34% 19,000 $3M $162.07 — +19,000 — NEW
85 FTRE 0.34% 175,000 $3M $17.40 — +175,000 — NEW
86 STM 0.34% 41,000 $3M $73.69 — +41,000 — NEW
87 WOLF 0.32% 60,000 $3M $48.25 $607K -80,000 -57.1%
88 VECO 0.31% 37,000 $3M $75.80 — +37,000 — NEW
89 KBR 0.29% 75,000 $3M $34.53 — +75,000 — NEW
90 ET 0.27% 125,000 $2M $19.15 $953K +50,000 +66.7%
91 TRIP 0.25% 166,000 $2M $13.71 — +166,000 — NEW
92 HASI 0.24% 55,000 $2M $39.05 $126K — —
93 NOW 0.24% 21,500 $2M $99.28 -$5M -51,000 -70.3%
94 ALDX 0.23% 975,000 $2M $2.13 $471K +25,000 +2.6%
95 S 0.22% 118,000 $2M $16.97 $1M +72,000 +156.5%
96 AVY 0.22% 12,000 $2M $162.35 -$5M -28,000 -70.0%
97 BKR 0.22% 35,000 $2M $55.50 — +35,000 — NEW
98 ESOA 0.22% 100,000 $2M $19.34 $621K — —
99 NBIS 0.21% 7,000 $2M $274.13 — +7,000 — NEW
100 CCJ 0.20% 17,500 $2M $101.86 -$661K -5,000 -22.2%

Options Breakdown

35 Calls $35M Call Value 9 Puts $4M Put Value 0.11 P/C Ratio

Top Calls

SymbolSharesValueStatus
BKD 690,000 $11M
ORCL 45,000 $7M NEW
FCEL 125,000 $5M NEW
NOW 30,000 $3M
TEAM 35,000 $3M NEW
P 30,000 $2M NEW
AEVA 45,000 $1M NEW
ZM 13,000 $1M
HIMX 70,000 $1M
ALDX 300,000 $639K

Top Puts

SymbolSharesValueStatus
CTSH 50,000 $2M NEW
CSGP 50,000 $1M NEW
KFY 10,000 $666K NEW
DOCN — $0 SOLD
CNXC — $0 SOLD
EXLS — $0 SOLD
AAPL — $0 SOLD
HPE — $0 SOLD
COHR — $0 SOLD

New Positions

SymbolValue% Port
P $18M 2.04%
PANW $15M 1.63%
PRIM $13M 1.49%
AAPL $13M 1.45%
ONTO $12M 1.33%
SNX $12M 1.30%
ALGT $11M 1.18%
OSCR $10M 1.11%
CBRS $9M 0.97%
RELY $8M 0.94%
DVN $8M 0.92%
GLW $8M 0.86%
VRTX $7M 0.83%
JAZZ $7M 0.81%
AKAM $7M 0.74%

Sold Out Positions

SymbolValue% Port
ALB — —%
BKD — —%
EQT — —%
DIS — —%
UBER — —%
ANET — —%
MTZ — —%
BRBR — —%
RAMP — —%
AMPX — —%
ORA — —%
NXE — —%
LLY — —%
TDC — —%
BSX — —%
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