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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
+38.82%
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
$809M
AUM Growth
+$48M
(+6.3%)
Cap. Flow
-$94.4M
Cap. Flow
% of AUM
-11.67%
Top 10 Holdings %
Top 10 Hldgs %
29.18%
Holding
208
New
63
Increased
29
Reduced
28
Closed
78
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
First Solar
FSLR
|
+$21.9M |
| 2 |
Sunrun
RUN
|
+$17.3M |
| 3 |
Eos Energy Enterprises
EOSE
|
+$10.9M |
| 4 |
Lumentum
LITE
|
+$10.7M |
| 5 |
Silicon Motion
SIMO
|
+$10.6M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Fluor
FLR
|
+$30.4M |
| 2 |
Arista Networks
ANET
|
+$23.7M |
| 3 |
Celestica
CLS
|
+$21.1M |
| 4 |
Affirm
AFRM
|
+$13.5M |
| 5 |
NVIDIA
NVDA
|
+$12.6M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 39.32% |
| 2 | Healthcare | 9.96% |
| 3 | Financials | 8.45% |
| 4 | Industrials | 8.25% |
| 5 | Consumer Discretionary | 3.78% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
151
PUT
CrowdStrike
CRWD
$183B
| – | – |
-24,000
| Closed | -$3.06M |
|
|
CYBR
152
DELISTED
CyberArk
CYBR
| – | – |
-18,150
| Closed | -$7.38M |
|
153
Dave Inc
DAVE
$4.82B
| – | – |
-35,000
| Closed | -$9.39M |
|
|
FISV
154
Fiserv Inc
FISV
$29.7B
| – | – |
-10,300
| Closed | -$1.78M |
|
155
FTAI Infrastructure
FIP
$447M
| – | – |
-200,000
| Closed | -$1.23M |
|
156
Flex
FLEX
$37.7B
| – | – |
-68,000
| Closed | -$3.39M |
|
157
Fluence Energy
FLNC
$1.58B
| – | – |
-160,000
| Closed | -$1.07M |
|
|
158
CALL
Fluor
FLR
$6.54B
| – | – |
-75,000
| Closed | -$3.85M |
|
|
159
CALL
First Solar
FSLR
$21.4B
| – | – |
-30,000
| Closed | -$4.97M |
|
160
CALL
Global E Online
GLBE
$6.76B
| – | – |
-4,000
| Closed | -$134K |
|
|
161
Global E Online
GLBE
$6.76B
| – | – |
-16,000
| Closed | -$537K |
|
162
Green Plains
GPRE
$1.15B
| – | – |
-50,000
| Closed | -$302K |
|
163
FerroAtlántica
GSM
$590M
| – | – |
-2,007,595
| Closed | -$7.37M |
|
164
Robinhood
HOOD
$80.7B
| – | – |
-26,000
| Closed | -$2.44M |
|
165
PUT
HubSpot
HUBS
$12.9B
| – | – |
-4,000
| Closed | -$2.23M |
|
166
Humana
HUM
$43.9B
| – | – |
-50,000
| Closed | -$12.2M |
|
167
Indivior Pharmaceuticals
INDV
$4.74B
| – | – |
-725,000
| Closed | -$10.7M |
|
168
PUT
Intapp
INTA
$2.44B
| – | – |
-20,000
| Closed | -$1.03M |
|
169
PUT
Samsara
IOT
$22.6B
| – | – |
-17,000
| Closed | -$676K |
|
170
Centrus Energy
LEU
$3.14B
| – | – |
-2,500
| Closed | -$458K |
|
171
PUT
Lam Research
LRCX
$316B
| – | – |
-18,000
| Closed | -$1.75M |
|
172
CALL
Lattice Semiconductor
LSCC
$16B
| – | – |
-42,000
| Closed | -$2.06M |
|
173
Manhattan Associates
MANH
$11.9B
| – | – |
-8,200
| Closed | -$1.62M |
|
174
Medtronic
MDT
$112B
| – | – |
-70,000
| Closed | -$6.1M |
|
175
Mercado Libre
MELI
$94.5B
| – | – |
-1,800
| Closed | -$4.7M |
|
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Ardsley Advisory Partners's Q3 2025 Portfolio in Review
As of Q3 2025, Ardsley Advisory Partners held 208 positions worth $809M, up 6.3% from $761M the previous quarter. Its ten largest holdings account for 29% of the portfolio.
Ardsley Advisory Partners withdrew a net $94.4M in Q3 2025, closing 78 positions and reducing 28 holdings. Its most notable exit was Celestica, an estimated $21.1M position sold in full.
By sector, the portfolio is most concentrated in Technology at 39% of assets, up from 37% a quarter earlier, followed by Healthcare and Financials.
Against the trend, Ardsley Advisory Partners opened a new position in Eos Energy Enterprises worth $18.1M.
- Ardsley Advisory Partners's largest Q3 2025 buy was Eos Energy Enterprises: 1,600,000 shares worth $18.1M.
- Ardsley Advisory Partners added most to First Solar in Q3 2025, an estimated $21.9M increase.
- Ardsley Advisory Partners's biggest Q3 2025 reduction was Fluor, cutting an estimated $30.4M.
- Ardsley Advisory Partners fully exited Celestica in Q3 2025, selling an estimated $21.1M.
- Ardsley Advisory Partners's ten largest holdings make up 29% of its $809M portfolio in Q3 2025.
- Ardsley Advisory Partners opened 63 new positions and closed 78 in Q3 2025.
- Ardsley Advisory Partners's portfolio value rose 6.3% quarter-over-quarter to $809M.
Based on Ardsley Advisory Partners's 13F filing for Q3 2025, filed 14 Nov 2025.