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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
+39.26%
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
$761M
AUM Growth
+$238M
(+46%)
Cap. Flow
+$81.4M
Cap. Flow
% of AUM
10.71%
Top 10 Holdings %
Top 10 Hldgs %
34.12%
Holding
219
New
80
Increased
37
Reduced
25
Closed
74
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Arista Networks
ANET
|
+$18.9M |
| 2 |
Microsoft
MSFT
|
+$13.2M |
| 3 |
Humana
HUM
|
+$12.5M |
| 4 |
NVIDIA
NVDA
|
+$12.1M |
| 5 |
ServiceNow
NOW
|
+$10.8M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Alamos Gold
AGI
|
+$14.7M |
| 2 |
Broadcom
AVGO
|
+$12.1M |
| 3 |
Okta
OKTA
|
+$11.3M |
| 4 |
Sunrun
RUN
|
+$10.1M |
| 5 |
Freeport-McMoran
FCX
|
+$9.46M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 36.54% |
| 2 | Healthcare | 11.34% |
| 3 | Industrials | 10.54% |
| 4 | Financials | 6.21% |
| 5 | Communication Services | 5.52% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
126
TETRA Technologies
TTI
$1.07B
| $588K | 0.08% |
+175,000
| New | +$509K |
|
127
PUT
Arlo Technologies
ARLO
$1.55B
| $577K | 0.08% |
+34,000
| New | +$435K |
|
128
PUT
Trade Desk
TTD
$8.89B
| $576K | 0.08% |
+8,000
| New | +$511K |
|
129
PUT
Zeta Global
ZETA
$5.46B
| $573K | 0.08% |
+37,000
| New | +$491K |
|
|
SEI
130
Solaris Energy Infrastructure
SEI
$2.9B
| $566K | 0.07% |
+20,000
| New | +$471K |
|
131
Global E Online
GLBE
$6.53B
| $537K | 0.07% |
+16,000
| New | +$540K |
|
|
XYZ
132
Block Inc
XYZ
$49.5B
| $476K | 0.06% |
+7,000
| New | +$407K |
|
133
Centrus Energy
LEU
$3.34B
| $458K | 0.06% |
+2,500
| New | +$267K |
|
134
PubMatic
PUBM
$605M
| $435K | 0.06% |
+35,000
| New | +$369K |
|
135
Plug Power
PLUG
$2.73B
| $373K | 0.05% |
+250,000
| New | +$249K |
|
136
CALL
Amplitude
AMPL
$1.16B
| $372K | 0.05% |
+30,000
| New | +$325K |
|
137
PUT
ON Semiconductor
ON
$32.8B
| $367K | 0.05% |
+7,000
| New | +$304K |
|
138
NexGen Energy
NXE
$6.08B
| $347K | 0.05% |
+50,000
| New | +$282K |
|
139
Ambarella
AMBA
$3.03B
| $330K | 0.04% |
+5,000
| New | +$265K |
|
140
Green Plains
GPRE
$1.15B
| $302K | 0.04% |
+50,000
| New | +$220K |
|
141
Clean Energy Fuels
CLNE
$421M
| $195K | 0.03% |
100,000
-600,000
| -86% | -$1.02M |
|
142
CALL
Planet Labs
PL
$7.28B
| $183K | 0.02% |
+30,000
| New | +$123K |
|
|
143
CALL
Global E Online
GLBE
$6.53B
| $134K | 0.02% |
+4,000
| New | +$135K |
|
144
Array Technologies
ARRY
$785M
| $118K | 0.02% |
20,000
-80,000
| -80% | -$486K |
|
|
BLDP
145
Ballard Power Systems
BLDP
$808M
| $79.5K | 0.01% |
+50,000
| New | +$66.9K |
|
146
CALL
Applied Optoelectronics
AAOI
$7.07B
| – | – |
-30,000
| Closed | -$461K |
|
147
PUT
Apple
AAPL
$4.99T
| – | – |
-15,000
| Closed | -$3.33M |
|
148
Adobe
ADBE
$99B
| – | – |
-3,000
| Closed | -$1.15M |
|
|
149
Alamos Gold
AGI
$12.1B
| – | – |
-550,000
| Closed | -$14.7M |
|
150
CALL
Aldeyra Therapeutics
ALDX
$95.3M
| – | – |
-400,000
| Closed | -$2.3M |
|
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Ardsley Advisory Partners's Q2 2025 Portfolio in Review
As of Q2 2025, Ardsley Advisory Partners held 219 positions worth $761M, up 46% from $522M the previous quarter. Its ten largest holdings account for 34% of the portfolio.
Ardsley Advisory Partners deployed $81.4M of net new capital in Q2 2025, opening 80 new positions and adding to 37 existing holdings. Its largest new stake was Arista Networks: 218,000 shares worth $22.3M.
By sector, the portfolio is most concentrated in Technology at 37% of assets, down from 38% a quarter earlier, followed by Healthcare and Industrials.
On the sell side, the largest reduction was Broadcom, an estimated $12.1M trimmed.
- Ardsley Advisory Partners's largest Q2 2025 buy was Arista Networks: 218,000 shares worth $22.3M.
- Ardsley Advisory Partners added most to Microsoft in Q2 2025, an estimated $13.2M increase.
- Ardsley Advisory Partners's biggest Q2 2025 reduction was Broadcom, cutting an estimated $12.1M.
- Ardsley Advisory Partners fully exited Alamos Gold in Q2 2025, selling an estimated $14.7M.
- Ardsley Advisory Partners's ten largest holdings make up 34% of its $761M portfolio in Q2 2025.
- Ardsley Advisory Partners opened 80 new positions and closed 74 in Q2 2025.
- Ardsley Advisory Partners's portfolio value rose 46% quarter-over-quarter to $761M.
Based on Ardsley Advisory Partners's 13F filing for Q2 2025, filed 14 Aug 2025.