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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
+18.49%
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
$911M
AUM Growth
+$102M
Cap. Flow
+$22.9M
Cap. Flow %
2.52%
Top 10 Hldgs %
28.31%
Holding
195
New
65
Increased
32
Reduced
40
Closed
53

Top Buys

Rank Stock Value
1
LLY icon
Eli Lilly
LLY
+$38.2M
2
TEL icon
TE Connectivity
TEL
+$17M
3
SEZL
Sezzle
SEZL
+$16.7M
4
SMTC icon
Semtech
SMTC
+$11.1M
5
TXN icon
Texas Instruments
TXN
+$10.3M

Top Sells

Rank Stock Value
1
HUT
Hut 8
HUT
+$19.4M
2
ARM icon
Arm
ARM
+$15.7M
3
EOSE icon
Eos Energy Enterprises
EOSE
+$15M
4
GLW icon
Corning
GLW
+$14.5M
5
ORCL icon
Oracle
ORCL
+$13.1M

Sector Composition

Rank Sector Weight
1 Technology 37.1%
2 Healthcare 15.22%
3 Financials 7.28%
4 Industrials 6.27%
5 Consumer Discretionary 4.64%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
PROF
76
Profound Medical
PROF
$263M
$3.54M 0.39%
450,000
+120,000
+36% +$771K
ABNB icon
77
Airbnb
ABNB
$90.8B
$3.53M 0.39%
+26,000
New +$3.24M
KWEB icon
78
CALL
KraneShares CSI China Internet ETF
KWEB
$5.5B
$3.4M 0.37%
+100,000
New +$3.85M
ORA icon
79
Ormat Technologies
ORA
$5.8B
$3.31M 0.36%
+30,000
New +$3.28M
MTZ icon
80
MasTec
MTZ
$22.7B
$3.26M 0.36%
15,000
-5,000
-25% -$1.05M
CCJ icon
81
Cameco
CCJ
$36.8B
$3.2M 0.35%
35,000
+25,000
+250% +$2.25M
FLR icon
82
Fluor
FLR
$6.54B
$3.17M 0.35%
79,986
-55,014
-41% -$2.43M
NXPI icon
83
NXP Semiconductors
NXPI
$60.8B
$3.15M 0.35%
+14,500
New +$3.11M
TE
84
T1 Energy
TE
$1.04B
$3.1M 0.34%
+465,000
New +$2.05M
WMB icon
85
Williams Companies
WMB
$85.8B
$3.01M 0.33%
50,000
-25,000
-33% -$1.51M
SANM icon
86
CALL
Sanmina
SANM
$8.78B
$3M 0.33%
+20,000
New +$2.95M
WOLF icon
87
Wolfspeed
WOLF
$1.04B
$2.87M 0.32%
+165,000
New +$3.79M
HAL icon
88
Halliburton
HAL
$26.1B
$2.83M 0.31%
+100,000
New +$2.64M
STKL
89
DELISTED
SunOpta
STKL
$2.62M 0.29%
690,000
-330,000
-32% -$1.5M
FSLR icon
90
CALL
First Solar
FSLR
$21.4B
$2.61M 0.29%
+10,000
New +$2.52M
DQ
91
Daqo New Energy
DQ
$810M
$2.51M 0.28%
85,000
-15,000
-15% -$458K
INFY icon
92
PUT
Infosys
INFY
$51B
$2.49M 0.27%
140,000
– –
MELI icon
93
Mercado Libre
MELI
$94.5B
$2.42M 0.27%
+1,200
New +$2.52M
ONTO icon
94
CALL
Onto Innovation
ONTO
$10.9B
$2.37M 0.26%
+15,000
New +$2.13M
TAC icon
95
TransAlta
TAC
$3.93B
$2.28M 0.25%
180,000
+65,000
+57% +$970K
INTC icon
96
CALL
Intel
INTC
$413B
$2.21M 0.24%
+60,000
New +$2.27M
NFLX icon
97
CALL
Netflix
NFLX
$307B
$2.16M 0.24%
+23,000
New +$2.48M
SLNH icon
98
Soluna Holdings
SLNH
$180M
$2.02M 0.22%
+1,725,000
New +$3.93M
NEE icon
99
NextEra Energy
NEE
$184B
$2.01M 0.22%
+25,000
New +$2.07M
INTC icon
100
Intel
INTC
$413B
$1.88M 0.21%
51,000
-59,500
-54% -$2.25M
2 3
4
5 6

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Ardsley Advisory Partners's Q4 2025 Portfolio in Review

As of Q4 2025, Ardsley Advisory Partners held 195 positions worth $911M, up 13% from $809M the previous quarter. Its ten largest holdings account for 28% of the portfolio.

Ardsley Advisory Partners's Q4 2025 filing shows 65 new, 32 increased, 40 reduced and 53 closed positions. Its largest new stake was Eli Lilly: 40,000 shares worth $43M. The largest sale was Hut 8, an estimated $19.4M.

By sector, the portfolio is most concentrated in Technology at 37% of assets, down from 39% a quarter earlier, followed by Healthcare and Financials.

  • Ardsley Advisory Partners's largest Q4 2025 buy was Eli Lilly: 40,000 shares worth $43M.
  • Ardsley Advisory Partners added most to Semtech in Q4 2025, an estimated $11.1M increase.
  • Ardsley Advisory Partners's biggest Q4 2025 reduction was Hut 8, cutting an estimated $19.4M.
  • Ardsley Advisory Partners fully exited Arm in Q4 2025, selling an estimated $15.7M.
  • Ardsley Advisory Partners's ten largest holdings make up 28% of its $911M portfolio in Q4 2025.
  • Ardsley Advisory Partners opened 65 new positions and closed 53 in Q4 2025.
  • Ardsley Advisory Partners's portfolio value rose 13% quarter-over-quarter to $911M.

Based on Ardsley Advisory Partners's 13F filing for Q4 2025, filed 17 Feb 2026.