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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
EOSE icon
51
Eos Energy Enterprises
EOSE
$1.21B
$6.36M 0.7%
555,000
-1,045,000
-65% -$15M
LSCC icon
52
Lattice Semiconductor
LSCC
$16.5B
$6.33M 0.69%
86,000
-28,500
-25% -$2.03M
TTD icon
53
PUT
Trade Desk
TTD
$8.96B
$6.26M 0.69%
+165,000
New +$7.31M
ORCL icon
54
Oracle
ORCL
$346B
$5.85M 0.64%
30,000
-55,000
-65% -$13.1M
RH icon
55
RH
RH
$3.31B
$5.37M 0.59%
+30,000
New +$5.13M
PANW icon
56
CALL
Palo Alto Networks
PANW
$258B
$5.34M 0.59%
+29,000
New +$5.85M
VCYT icon
57
Veracyte
VCYT
$4.5B
$5.26M 0.58%
+125,000
New +$5.04M
ANET icon
58
CALL
Arista Networks
ANET
$210B
$5.24M 0.58%
+40,000
New +$5.51M
CWEN icon
59
Clearway Energy Class C
CWEN
$4.87B
$4.99M 0.55%
150,000
+25,000
+20% +$832K
THC icon
60
Tenet Healthcare
THC
$22.3B
$4.97M 0.55%
25,000
-10,000
-29% -$2.02M
TAN icon
61
CALL
Invesco Solar ETF
TAN
$1.4B
$4.91M 0.54%
100,000
– –
OWL icon
62
Blue Owl Capital
OWL
$6.52B
$4.86M 0.53%
+325,000
New +$5.08M
CRM icon
63
CALL
Salesforce
CRM
$152B
$4.77M 0.52%
18,000
-9,000
-33% -$2.24M
DELL icon
64
PUT
Dell
DELL
$250B
$4.53M 0.5%
+36,000
New +$5.07M
XIFR
65
XPLR Infrastructure LP
XIFR
$1.11B
$4.5M 0.49%
450,000
-430,000
-49% -$4.17M
BE icon
66
Bloom Energy
BE
$50.2B
$4.43M 0.49%
51,000
+46,000
+920% +$4.83M
DQ
67
CALL
Daqo New Energy
DQ
$825M
$4.42M 0.49%
150,000
-50,000
-25% -$1.53M
BWXT icon
68
BWX Technologies
BWXT
$15.1B
$4.32M 0.47%
25,000
-15,000
-38% -$2.81M
XLU icon
69
State Street Utilities Select Sector SPDR ETF
XLU
$23.4B
$4.27M 0.47%
+100,000
New +$4.43M
NOW icon
70
CALL
ServiceNow
NOW
$118B
$4.06M 0.45%
+26,500
New +$4.55M
ORN icon
71
Orion Group Holdings
ORN
$390M
$3.98M 0.44%
400,000
+25,000
+7% +$242K
BKR icon
72
Baker Hughes
BKR
$59.3B
$3.87M 0.42%
85,000
– –
AVY icon
73
Avery Dennison
AVY
$12.8B
$3.82M 0.42%
+21,000
New +$3.63M
NOK icon
74
Nokia
NOK
$48.4B
$3.67M 0.4%
560,000
+225,094
+67% +$1.4M
DECK icon
75
Deckers Outdoor
DECK
$14B
$3.63M 0.4%
+35,000
New +$3.28M
1 2
3
4 5

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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.