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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
+5.75%
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
$631M
AUM Growth
+$22.7M
Cap. Flow
+$26.2M
Cap. Flow %
4.15%
Top 10 Hldgs %
25.55%
Holding
201
New
73
Increased
34
Reduced
30
Closed
58

Top Buys

Rank Stock Value
1
CRM icon
Salesforce
CRM
+$19M
2
FLR icon
Fluor
FLR
+$11.6M
3
UNH icon
UnitedHealth
UNH
+$11.4M
4
FLNC icon
Fluence Energy
FLNC
+$9.88M
5
LITE icon
Lumentum
LITE
+$9.74M

Top Sells

Rank Stock Value
1
CLS icon
Celestica
CLS
+$18.8M
2
SMTC icon
Semtech
SMTC
+$11.6M
3
AVGO icon
Broadcom
AVGO
+$10.5M
4
NVDA icon
NVIDIA
NVDA
+$10.2M
5
ORCL icon
Oracle
ORCL
+$10.2M

Sector Composition

Rank Sector Weight
1 Technology 33.93%
2 Healthcare 11.79%
3 Industrials 9.74%
4 Utilities 4.7%
5 Consumer Discretionary 4.64%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
FTAI icon
51
FTAI Aviation
FTAI
$20.2B
$5.04M 0.8%
35,000
-1,050
-3% -$155K
TER icon
52
Teradyne
TER
$50B
$4.97M 0.79%
+39,500
New +$4.67M
MTZ icon
53
MasTec
MTZ
$22.7B
$4.63M 0.73%
34,000
-20,250
-37% -$2.71M
IREN icon
54
Iris Energy
IREN
$10.5B
$4.42M 0.7%
450,000
-175,000
-28% -$1.87M
CLNE icon
55
Clean Energy Fuels
CLNE
$416M
$4.39M 0.7%
1,750,000
+225,000
+15% +$638K
TSM icon
56
TSMC
TSM
$1.94T
$4.35M 0.69%
+22,000
New +$4.26M
AVAV icon
57
AeroVironment
AVAV
$7.19B
$4.23M 0.67%
+27,500
New +$5.38M
EXPE icon
58
Expedia Group
EXPE
$36.5B
$4.1M 0.65%
+22,000
New +$3.79M
SNOW icon
59
CALL
Snowflake
SNOW
$98.1B
$3.86M 0.61%
+25,000
New +$3.52M
CCJ icon
60
Cameco
CCJ
$36.8B
$3.85M 0.61%
75,000
-15,250
-17% -$831K
GTLS
61
DELISTED
Chart Industries
GTLS
$3.82M 0.61%
+20,000
New +$3.21M
SNOW icon
62
Snowflake
SNOW
$98.1B
$3.71M 0.59%
24,000
+16,500
+220% +$2.32M
WULF icon
63
CALL
TeraWulf
WULF
$7.48B
$3.68M 0.58%
650,000
-150,000
-19% -$967K
MP icon
64
MP Materials
MP
$6.78B
$3.59M 0.57%
230,000
+175,000
+318% +$3.24M
ONTO icon
65
Onto Innovation
ONTO
$10.9B
$3.57M 0.57%
21,400
+1,500
+8% +$274K
BILL icon
66
BILL Holdings
BILL
$4.72B
$3.47M 0.55%
+41,000
New +$3.06M
XIFR
67
XPLR Infrastructure LP
XIFR
$1.04B
$3.38M 0.54%
190,000
+170,000
+850% +$3.39M
MU icon
68
CALL
Micron Technology
MU
$835B
$3.37M 0.53%
+40,000
New +$4.07M
TEAM icon
69
Atlassian
TEAM
$26.5B
$3.15M 0.5%
+12,950
New +$2.97M
ASPN icon
70
Aspen Aerogels
ASPN
$339M
$3.1M 0.49%
261,100
+136,100
+109% +$2.32M
ALDX icon
71
CALL
Aldeyra Therapeutics
ALDX
$97.1M
$2.99M 0.47%
+600,000
New +$3.08M
MU icon
72
Micron Technology
MU
$835B
$2.95M 0.47%
35,000
+22,850
+188% +$2.32M
AEIS icon
73
Advanced Energy
AEIS
$10.1B
$2.89M 0.46%
25,000
-5,000
-17% -$562K
GEAR
74
DELISTED
Revelyst, Inc.
GEAR
$2.88M 0.46%
+150,000
New +$2.86M
RUN icon
75
CALL
Sunrun
RUN
$2.26B
$2.77M 0.44%
300,000
-245,000
-45% -$3.04M
1 2
3
4 5

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Ardsley Advisory Partners's Q4 2024 Portfolio in Review

As of Q4 2024, Ardsley Advisory Partners held 201 positions worth $631M, up 3.7% from $608M the previous quarter. Its ten largest holdings account for 26% of the portfolio.

Ardsley Advisory Partners deployed $26.2M of net new capital in Q4 2024, opening 73 new positions and adding to 34 existing holdings. Its largest new stake was UnitedHealth: 20,000 shares worth $10.1M.

By sector, the portfolio is most concentrated in Technology at 34% of assets, down from 40% a quarter earlier, followed by Healthcare and Industrials.

On the sell side, the largest reduction was Celestica, an estimated $18.8M trimmed.

  • Ardsley Advisory Partners's largest Q4 2024 buy was UnitedHealth: 20,000 shares worth $10.1M.
  • Ardsley Advisory Partners added most to Salesforce in Q4 2024, an estimated $19M increase.
  • Ardsley Advisory Partners's biggest Q4 2024 reduction was Celestica, cutting an estimated $18.8M.
  • Ardsley Advisory Partners fully exited Semtech in Q4 2024, selling an estimated $11.6M.
  • Ardsley Advisory Partners's ten largest holdings make up 26% of its $631M portfolio in Q4 2024.
  • Ardsley Advisory Partners opened 73 new positions and closed 58 in Q4 2024.
  • Ardsley Advisory Partners's portfolio value rose 3.7% quarter-over-quarter to $631M.

Based on Ardsley Advisory Partners's 13F filing for Q4 2024, filed 14 Feb 2025.