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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
SNAP icon
101
CALL
Snap
SNAP
$7.96B
$1.86M 0.2%
+230,000
New +$1.82M
CTSH icon
102
Cognizant
CTSH
$26.5B
$1.83M 0.2%
+22,000
New +$1.65M
NOW icon
103
ServiceNow
NOW
$120B
$1.81M 0.2%
+11,850
New +$2.03M
GLW icon
104
PUT
Corning
GLW
$107B
$1.75M 0.19%
+20,000
New +$1.72M
HASI icon
105
Hannon Armstrong Sustainable Infrastructure Capital
HASI
$4.81B
$1.73M 0.19%
55,000
– –
TRIP icon
106
TripAdvisor
TRIP
$1.7B
$1.66M 0.18%
114,000
+96,000
+533% +$1.46M
SMTC icon
107
CALL
Semtech
SMTC
$9.65B
$1.62M 0.18%
22,000
-18,000
-45% -$1.28M
SNAP icon
108
Snap
SNAP
$7.96B
$1.61M 0.18%
+200,000
New +$1.58M
AFRM icon
109
Affirm
AFRM
$23.5B
$1.56M 0.17%
21,000
+1,000
+5% +$72K
GLBE icon
110
Global E Online
GLBE
$6.76B
$1.53M 0.17%
+39,000
New +$1.45M
TIC
111
TIC Solutions Inc
TIC
$1.59B
$1.52M 0.17%
150,000
+100,000
+200% +$1.11M
AMRC icon
112
Ameresco
AMRC
$980M
$1.46M 0.16%
50,000
– –
TRIP icon
113
CALL
TripAdvisor
TRIP
$1.7B
$1.46M 0.16%
100,000
-30,000
-23% -$457K
EPAM icon
114
EPAM Systems
EPAM
$5.58B
$1.43M 0.16%
+7,000
New +$1.25M
CW icon
115
Curtiss-Wright
CW
$25.1B
$1.38M 0.15%
+2,500
New +$1.39M
EQT icon
116
EQT Corp
EQT
$32.9B
$1.34M 0.15%
+25,000
New +$1.4M
META icon
117
Meta Platforms (Facebook)
META
$1.49T
$1.32M 0.14%
+2,000
New +$1.34M
ITRI icon
118
Itron
ITRI
$4.54B
$1.3M 0.14%
+14,000
New +$1.53M
COHR icon
119
PUT
Coherent
COHR
$43.4B
$1.29M 0.14%
7,000
-27,000
-79% -$4.04M
ENPH icon
120
Enphase Energy
ENPH
$4.62B
$1.2M 0.13%
+37,500
New +$1.21M
PI icon
121
Impinj
PI
$4.24B
$1.13M 0.12%
+6,500
New +$1.16M
COMP icon
122
Compass
COMP
$8.67B
$1.06M 0.12%
+100,000
New +$912K
ROKU icon
123
Roku
ROKU
$21.6B
$976K 0.11%
9,000
+1,000
+13% +$101K
UEC icon
124
Uranium Energy
UEC
$4.47B
$876K 0.1%
+75,000
New +$984K
AAOI icon
125
Applied Optoelectronics
AAOI
$6.14B
$872K 0.1%
25,000
-339,500
-93% -$10.1M
3 4
5
6 7

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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.