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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 | |
|---|---|---|---|---|---|---|
176
CALL
iShares Global Clean Energy ETF
ICLN
$2.22B
| – | – |
-450,000
| Closed | -$7.39M |
|
177
PUT
Infosys
INFY
$51B
| – | – |
-140,000
| Closed | -$2.49M |
|
178
Jazz Pharmaceuticals
JAZZ
$16.1B
| – | – |
-50,000
| Closed | -$8.5M |
|
179
CALL
KraneShares CSI China Internet ETF
KWEB
$5.5B
| – | – |
-100,000
| Closed | -$3.4M |
|
180
MongoDB
MDB
$25.8B
| – | – |
-20,750
| Closed | -$8.69M |
|
181
Mercado Libre
MELI
$94.5B
| – | – |
-1,200
| Closed | -$2.42M |
|
182
PUT
Marvell Technology
MRVL
$147B
| – | – |
-10,000
| Closed | -$850K |
|
183
NextEra Energy
NEE
$184B
| – | – |
-25,000
| Closed | -$2.01M |
|
184
New Fortress Energy
NFE
$92.9M
| – | – |
-150,000
| Closed | -$171K |
|
185
CALL
Netflix
NFLX
$307B
| – | – |
-23,000
| Closed | -$2.16M |
|
186
Nokia
NOK
$46.9B
| – | – |
-560,000
| Closed | -$3.67M |
|
187
NXP Semiconductors
NXPI
$60.8B
| – | – |
-14,500
| Closed | -$3.15M |
|
188
CALL
Onto Innovation
ONTO
$10.9B
| – | – |
-15,000
| Closed | -$2.37M |
|
|
189
Onto Innovation
ONTO
$10.9B
| – | – |
-43,500
| Closed | -$6.87M |
|
190
CALL
Oracle
ORCL
$339B
| – | – |
-48,000
| Closed | -$9.36M |
|
|
191
Oracle
ORCL
$339B
| – | – |
-30,000
| Closed | -$5.85M |
|
192
Blue Owl Capital
OWL
$6.45B
| – | – |
-325,000
| Closed | -$4.86M |
|
193
CALL
Palo Alto Networks
PANW
$256B
| – | – |
-29,000
| Closed | -$5.34M |
|
|
194
Palo Alto Networks
PANW
$256B
| – | – |
-40,000
| Closed | -$7.37M |
|
195
RH
RH
$3.33B
| – | – |
-30,000
| Closed | -$5.37M |
|
196
CALL
Sanmina
SANM
$8.78B
| – | – |
-20,000
| Closed | -$3M |
|
|
197
Sanmina
SANM
$8.78B
| – | – |
-45,200
| Closed | -$6.78M |
|
|
SEZL
198
CALL
Sezzle
SEZL
$5.13B
| – | – |
-10,000
| Closed | -$635K |
|
199
Shopify
SHOP
$168B
| – | – |
-78,400
| Closed | -$12.6M |
|
200
Soluna Holdings
SLNH
$180M
| – | – |
-1,725,000
| Closed | -$2.02M |
|
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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.