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Ardsley Advisory Partners Portfolio holdings

AUM $960M
1-Year Est. Return 207.76%
This Fund
S&P 500
This Quarter Est. Return
+39.26%
1 Year Est. Return
+207.76%
3 Year Est. Return
+554.53%
5 Year Est. Return
+728.66%
10 Year Est. Return
+4,084.52%
AUM
$761M
AUM Growth
+$238M
Cap. Flow
+$48.2M
Cap. Flow %
6.34%
Top 10 Hldgs %
34.12%
Holding
219
New
80
Increased
37
Reduced
25
Closed
74

Top Buys

Rank Stock Value
1
ANET icon
Arista Networks
ANET
+$18.9M
2
MSFT icon
Microsoft
MSFT
+$13.2M
3
HUM icon
Humana
HUM
+$12.5M
4
NVDA icon
NVIDIA
NVDA
+$12.1M
5
NOW icon
ServiceNow
NOW
+$10.8M

Top Sells

Rank Stock Value
1
AGI icon
Alamos Gold
AGI
+$14.7M
2
AVGO icon
Broadcom
AVGO
+$12.1M
3
OKTA icon
Okta
OKTA
+$11.3M
4
RUN icon
Sunrun
RUN
+$10.1M
5
FCX icon
Freeport-McMoran
FCX
+$9.46M

Sector Composition

Rank Sector Weight
1 Technology 36.54%
2 Miscellaneous 20.16%
3 Healthcare 11.34%
4 Industrials 10.46%
5 Financials 6.21%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
AEIS icon
51
Advanced Energy
AEIS
$11.5B
$4.64M 0.61%
35,000
+4,000
+13% +$441K
SMIN icon
52
iShares MSCI India Small-Cap ETF
SMIN
$767M
$4.63M 0.61%
+60,000
New +$4.32M
BIOX icon
53
Bioceres Crop Solutions
BIOX
$26.7M
$4.44M 0.58%
993,614
+45,000
+5% +$203K
ARM icon
54
CALL
Arm
ARM
$283B
$4.04M 0.53%
25,000
– –
PANW icon
55
Palo Alto Networks
PANW
$270B
$3.99M 0.52%
+19,500
New +$3.62M
STM icon
56
STMicroelectronics
STM
$45.9B
$3.97M 0.52%
+130,000
New +$3.23M
FLR icon
57
CALL
Fluor
FLR
$7.25B
$3.85M 0.51%
75,000
+50,000
+200% +$1.99M
RIOT icon
58
Riot Platforms
RIOT
$8.06B
$3.67M 0.48%
+325,000
New +$2.76M
DNN icon
59
Denison Mines
DNN
$2.73B
$3.64M 0.48%
2,000,000
+1,000,000
+100% +$1.52M
BTSG icon
60
BrightSpring Health Services
BTSG
$11.6B
$3.54M 0.47%
+150,000
New +$3.13M
MSFT icon
61
PUT
Microsoft
MSFT
$3.68T
$3.48M 0.46%
+7,000
New +$3.04M
TAN icon
62
CALL
Invesco Solar ETF
TAN
$1.01B
$3.43M 0.45%
100,000
– –
FLEX icon
63
Flex
FLEX
$42.8B
$3.39M 0.45%
+68,000
New +$2.65M
LSCC icon
64
Lattice Semiconductor
LSCC
$17B
$3.18M 0.42%
65,000
-106,550
-62% -$5.1M
MP icon
65
MP Materials
MP
$9B
$3.17M 0.42%
95,000
-125,000
-57% -$3.19M
CRWD icon
66
PUT
CrowdStrike
CRWD
$212B
$3.06M 0.4%
+24,000
New +$2.6M
ORN icon
67
Orion Group Holdings
ORN
$379M
$2.95M 0.39%
325,000
+75,000
+30% +$562K
BE icon
68
Bloom Energy
BE
$81.2B
$2.87M 0.38%
+120,000
New +$2.32M
CCJ icon
69
Cameco
CCJ
$42.1B
$2.82M 0.37%
38,000
-37,000
-49% -$1.97M
APP icon
70
Applovin
APP
$108B
$2.8M 0.37%
+8,000
New +$2.59M
AESI icon
71
Atlas Energy Solutions
AESI
$1.77B
$2.67M 0.35%
+200,000
New +$2.73M
AMPL icon
72
Amplitude
AMPL
$1.57B
$2.6M 0.34%
210,000
+75,000
+56% +$811K
RUN icon
73
Sunrun
RUN
$2.06B
$2.54M 0.33%
310,000
-1,280,000
-81% -$10.1M
FSLR icon
74
First Solar
FSLR
$22.5B
$2.48M 0.33%
15,000
+10,000
+200% +$1.48M
ADSK icon
75
Autodesk
ADSK
$44.4B
$2.48M 0.33%
8,000
-17,450
-69% -$4.95M
1 2
3
4 5

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SCM
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LGP
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WI
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LAM
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Ardsley Advisory Partners's Q2 2025 Portfolio in Review

As of Q2 2025, Ardsley Advisory Partners held 219 positions worth $761M, up 46% from $522M the previous quarter. Its ten largest holdings account for 34% of the portfolio.

Ardsley Advisory Partners deployed $48.2M of net new capital in Q2 2025, opening 80 new positions and adding to 37 existing holdings. Its largest new stake was Arista Networks: 218,000 shares worth $22.3M.

By sector, the portfolio is most concentrated in Technology at 37% of assets, down from 38% a quarter earlier, followed by Miscellaneous and Healthcare.

On the sell side, the largest reduction was Broadcom, an estimated $12.1M trimmed.

  • Ardsley Advisory Partners's largest Q2 2025 buy was Arista Networks: 218,000 shares worth $22.3M.
  • Ardsley Advisory Partners added most to Microsoft in Q2 2025, an estimated $13.2M increase.
  • Ardsley Advisory Partners's biggest Q2 2025 reduction was Broadcom, cutting an estimated $12.1M.
  • Ardsley Advisory Partners fully exited Alamos Gold in Q2 2025, selling an estimated $14.7M.
  • Ardsley Advisory Partners's ten largest holdings make up 34% of its $761M portfolio in Q2 2025.
  • Ardsley Advisory Partners opened 80 new positions and closed 74 in Q2 2025.
  • Ardsley Advisory Partners's portfolio value rose 46% quarter-over-quarter to $761M.

Based on Ardsley Advisory Partners's 13F filing for Q2 2025, filed 14 Aug 2025.