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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
MSFT icon
26
Microsoft
MSFT
$2.92T
$10.7M 1.18%
22,200
-14,800
-40% -$7.42M
NU icon
27
Nu Holdings
NU
$70.9B
$10.7M 1.18%
640,000
+15,000
+2% +$241K
TXN icon
28
Texas Instruments
TXN
$253B
$10.4M 1.14%
+60,000
New +$10.3M
NXE icon
29
NexGen Energy
NXE
$6.08B
$10.3M 1.14%
1,125,000
+875,000
+350% +$7.73M
GSM icon
30
FerroAtlántica
GSM
$628M
$9.84M 1.08%
+2,120,000
New +$9.79M
SMIN icon
31
iShares MSCI India Small-Cap ETF
SMIN
$754M
$9.79M 1.07%
+140,000
New +$10.1M
ORCL icon
32
CALL
Oracle
ORCL
$346B
$9.36M 1.03%
48,000
+33,000
+220% +$7.86M
ARM icon
33
CALL
Arm
ARM
$261B
$9.29M 1.02%
85,000
+65,000
+325% +$9.45M
TWLO icon
34
Twilio
TWLO
$29.5B
$8.89M 0.98%
+62,500
New +$7.74M
CRM icon
35
Salesforce
CRM
$149B
$8.73M 0.96%
33,000
+27,000
+450% +$6.71M
MDB icon
36
MongoDB
MDB
$25B
$8.69M 0.95%
+20,750
New +$7.55M
JAZZ icon
37
Jazz Pharmaceuticals
JAZZ
$16.1B
$8.5M 0.93%
+50,000
New +$7.67M
VIAV icon
38
Viavi Solutions
VIAV
$8.66B
$7.84M 0.86%
+440,000
New +$7.11M
MIR icon
39
Mirion Technologies
MIR
$4.11B
$7.61M 0.84%
325,000
-3,220
-1% -$80.3K
ALDX icon
40
Aldeyra Therapeutics
ALDX
$95.3M
$7.51M 0.82%
1,450,000
-450,000
-24% -$2.31M
ABNB icon
41
CALL
Airbnb
ABNB
$90.9B
$7.46M 0.82%
+55,000
New +$6.85M
BKD icon
42
CALL
Brookdale Senior Living
BKD
$3.67B
$7.45M 0.82%
+690,000
New +$6.78M
EBAY icon
43
eBay
EBAY
$52.1B
$7.4M 0.81%
85,000
+26,000
+44% +$2.25M
ICLN icon
44
CALL
iShares Global Clean Energy ETF
ICLN
$2.27B
$7.39M 0.81%
450,000
-200,000
-31% -$3.33M
PANW icon
45
Palo Alto Networks
PANW
$260B
$7.37M 0.81%
40,000
+8,700
+28% +$1.76M
WGS icon
46
GeneDx Holdings
WGS
$1.84B
$7.15M 0.79%
55,000
-5,000
-8% -$686K
ONTO icon
47
Onto Innovation
ONTO
$12B
$6.87M 0.75%
43,500
+3,000
+7% +$426K
SANM icon
48
Sanmina
SANM
$9.24B
$6.78M 0.74%
+45,200
New +$6.67M
CVS icon
49
CVS Health
CVS
$140B
$6.75M 0.74%
85,000
-15,000
-15% -$1.18M
BRBR icon
50
BellRing Brands
BRBR
$1.59B
$6.42M 0.7%
+240,000
New +$7.45M
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.