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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
+11.5%
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
$784M
AUM Growth
-$127M
(-14%)
Cap. Flow
-$154M
Cap. Flow
% of AUM
-19.68%
Top 10 Holdings %
Top 10 Hldgs %
29.92%
Holding
214
New
72
Increased
33
Reduced
34
Closed
63
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
United Therapeutics
UTHR
|
+$24.9M |
| 2 |
Shoals Technologies Group
SHLS
|
+$18.3M |
| 3 |
Meta Platforms (Facebook)
META
|
+$16.7M |
| 4 |
Modine Manufacturing
MOD
|
+$16.5M |
| 5 |
Boston Scientific
BSX
|
+$12M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Lumentum
LITE
|
+$40.5M |
| 2 |
Eli Lilly
LLY
|
+$35.5M |
| 3 |
First Solar
FSLR
|
+$30.7M |
| 4 |
argenx
ARGX
|
+$20.2M |
| 5 |
Advanced Energy
AEIS
|
+$19.7M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 33.08% |
| 2 | Healthcare | 13.31% |
| 3 | Consumer Discretionary | 7.84% |
| 4 | Financials | 6.74% |
| 5 | Communication Services | 6.07% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
26
Applied Materials
AMAT
$378B
| $8.54M | 1.09% |
+25,000
| New | +$8.41M |
|
|
SNDK
27
CALL
Sandisk
SNDK
$162B
| $8.26M | 1.05% |
+13,000
| New | +$7.34M |
|
28
Equinix
EQIX
$102B
| $7.79M | 0.99% |
+7,950
| New | +$7.07M |
|
29
Alamos Gold
AGI
$12.1B
| $7.78M | 0.99% |
175,000
-125,000
| -42% | -$5.51M |
|
30
PUT
Apple
AAPL
$4.99T
| $7.61M | 0.97% |
+30,000
| New | +$7.81M |
|
31
ServiceNow
NOW
$114B
| $7.58M | 0.97% |
72,500
+60,650
| +512% | +$7.14M |
|
32
Lattice Semiconductor
LSCC
$16.4B
| $7.56M | 0.96% |
81,500
-4,500
| -5% | -$403K |
|
|
HUT
33
Hut 8
HUT
$11.4B
| $7.04M | 0.9% |
150,000
-210,000
| -58% | -$11.4M |
|
34
Avery Dennison
AVY
$12.9B
| $6.91M | 0.88% |
40,000
+19,000
| +90% | +$3.49M |
|
35
State Street Utilities Select Sector SPDR ETF
XLU
$23.4B
| $6.88M | 0.88% |
150,000
+50,000
| +50% | +$2.24M |
|
36
Zoom
ZM
$26.8B
| $6.7M | 0.85% |
+83,000
| New | +$6.95M |
|
37
Verizon
VZ
$201B
| $6.53M | 0.83% |
+130,000
| New | +$6.02M |
|
38
GeneDx Holdings
WGS
$1.84B
| $6.42M | 0.82% |
100,000
+45,000
| +82% | +$4.1M |
|
39
CVS Health
CVS
$140B
| $6.1M | 0.78% |
85,000
| – | – |
|
40
Alaska Air
ALK
$5.42B
| $6.07M | 0.77% |
+165,000
| New | +$7.95M |
|
41
Mirion Technologies
MIR
$4.11B
| $6.04M | 0.77% |
325,000
| – | – |
|
42
Twilio
TWLO
$29.5B
| $5.94M | 0.76% |
47,200
-15,300
| -24% | -$1.88M |
|
43
Cipher Digital
CIFR
$8.35B
| $5.79M | 0.74% |
+450,000
| New | +$7.13M |
|
44
CALL
Micron Technology
MU
$927B
| $5.74M | 0.73% |
+17,000
| New | +$6.66M |
|
45
Box
BOX
$4.36B
| $5.58M | 0.71% |
+236,000
| New | +$5.94M |
|
46
Clearway Energy Class C
CWEN
$4.9B
| $5.5M | 0.7% |
140,000
-10,000
| -7% | -$374K |
|
47
Okta
OKTA
$23.7B
| $5.32M | 0.68% |
+67,600
| New | +$5.61M |
|
|
SKE
48
Skeena Resources
SKE
$3.28B
| $5.2M | 0.66% |
+175,000
| New | +$5.37M |
|
49
BWX Technologies
BWXT
$15.5B
| $5.11M | 0.65% |
25,000
| – | – |
|
50
Analog Devices
ADI
$178B
| $5.09M | 0.65% |
+16,000
| New | +$5.09M |
|
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Ardsley Advisory Partners's Q1 2026 Portfolio in Review
As of Q1 2026, Ardsley Advisory Partners held 214 positions worth $784M, down 14% from $911M the previous quarter. Its ten largest holdings account for 30% of the portfolio.
Ardsley Advisory Partners withdrew a net $154M in Q1 2026, closing 63 positions and reducing 34 holdings. Its most notable exit was First Solar, an estimated $30.7M position sold in full.
By sector, the portfolio is most concentrated in Technology at 33% of assets, down from 37% a quarter earlier, followed by Healthcare and Consumer Discretionary.
Against the trend, Ardsley Advisory Partners opened a new position in United Therapeutics worth $29.6M.
- Ardsley Advisory Partners's largest Q1 2026 buy was United Therapeutics: 50,000 shares worth $29.6M.
- Ardsley Advisory Partners added most to Shoals Technologies Group in Q1 2026, an estimated $18.3M increase.
- Ardsley Advisory Partners's biggest Q1 2026 reduction was Lumentum, cutting an estimated $40.5M.
- Ardsley Advisory Partners fully exited First Solar in Q1 2026, selling an estimated $30.7M.
- Ardsley Advisory Partners's ten largest holdings make up 30% of its $784M portfolio in Q1 2026.
- Ardsley Advisory Partners opened 72 new positions and closed 63 in Q1 2026.
- Ardsley Advisory Partners's portfolio value fell 14% quarter-over-quarter to $784M.
Based on Ardsley Advisory Partners's 13F filing for Q1 2026, filed 15 May 2026.