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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
+67.81%
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
$960M
AUM Growth
+$176M
(+22%)
Cap. Flow
-$63.2M
Cap. Flow
% of AUM
-6.58%
Top 10 Holdings %
Top 10 Hldgs %
30.33%
Holding
219
New
68
Increased
29
Reduced
33
Closed
74
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Advanced Micro Devices
AMD
|
+$34.8M |
| 2 |
Primoris Services
PRIM
|
+$17.7M |
| 3 |
P
Everpure Inc
P
|
+$17.1M |
| 4 |
Apple
AAPL
|
+$12.9M |
| 5 |
TD Synnex
SNX
|
+$10.5M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Semtech
SMTC
|
+$27.9M |
| 2 |
Broadcom
AVGO
|
+$27.5M |
| 3 |
SNDK
Sandisk
SNDK
|
+$24.3M |
| 4 |
Arista Networks
ANET
|
+$21.3M |
| 5 |
Meta Platforms (Facebook)
META
|
+$16M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 48.31% |
| 2 | Healthcare | 11.45% |
| 3 | Industrials | 8.74% |
| 4 | Financials | 8.55% |
| 5 | Consumer Discretionary | 6.62% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
151
Amprius Technologies
AMPX
$1.29B
| – | – |
-125,000
| Closed | -$2.11M |
|
152
CALL
Amazon
AMZN
$2.48T
| – | – |
-48,000
| Closed | -$10M |
|
|
153
CALL
Arista Networks
ANET
$214B
| – | – |
-25,000
| Closed | -$3.07M |
|
|
154
Arista Networks
ANET
$214B
| – | – |
-173,700
| Closed | -$21.3M |
|
155
Array Technologies
ARRY
$785M
| – | – |
-100,000
| Closed | -$723K |
|
156
Anterix
ATEX
$1.78B
| – | – |
-110,000
| Closed | -$4.2M |
|
|
157
CALL
Broadcom
AVGO
$1.81T
| – | – |
-50,000
| Closed | -$15.5M |
|
158
Brookdale Senior Living
BKD
$3.67B
| – | – |
-250,000
| Closed | -$3.4M |
|
159
CALL
Box
BOX
$4.36B
| – | – |
-100,000
| Closed | -$2.36M |
|
160
BellRing Brands
BRBR
$1.59B
| – | – |
-175,000
| Closed | -$2.82M |
|
161
Boston Scientific
BSX
$68.5B
| – | – |
-150,000
| Closed | -$9.41M |
|
162
Constellation Energy
CEG
$92.8B
| – | – |
-5,000
| Closed | -$1.39M |
|
163
PUT
Concentrix
CNXC
$1.55B
| – | – |
-40,000
| Closed | -$1.09M |
|
164
PUT
Coherent
COHR
$47.6B
| – | – |
-10,000
| Closed | -$2.38M |
|
165
Criteo
CRTO
$1.06B
| – | – |
-50,500
| Closed | -$905K |
|
166
Diodes
DIOD
$3.69B
| – | – |
-29,500
| Closed | -$2.01M |
|
167
Walt Disney
DIS
$172B
| – | – |
-6,000
| Closed | -$578K |
|
168
PUT
DigitalOcean
DOCN
$13.2B
| – | – |
-35,000
| Closed | -$3M |
|
|
DQ
169
CALL
Daqo New Energy
DQ
$802M
| – | – |
-50,000
| Closed | -$1.06M |
|
170
Dynatrace
DT
$12.7B
| – | – |
-40,000
| Closed | -$1.48M |
|
171
CALL
Equinix
EQIX
$102B
| – | – |
-4,000
| Closed | -$3.92M |
|
172
EQT Corp
EQT
$32.3B
| – | – |
-25,000
| Closed | -$1.59M |
|
173
PUT
EXL Service
EXLS
$4.66B
| – | – |
-25,000
| Closed | -$761K |
|
174
F5
FFIV
$22.8B
| – | – |
-7,100
| Closed | -$2.05M |
|
175
CALL
Fortinet
FTNT
$110B
| – | – |
-25,000
| Closed | -$2.04M |
|
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Ardsley Advisory Partners's Q2 2026 Portfolio in Review
As of Q2 2026, Ardsley Advisory Partners held 219 positions worth $960M, up 22% from $784M the previous quarter. Its ten largest holdings account for 30% of the portfolio.
Ardsley Advisory Partners withdrew a net $63.2M in Q2 2026, closing 74 positions and reducing 33 holdings. Its most notable exit was Arista Networks, an estimated $21.3M position sold in full.
By sector, the portfolio is most concentrated in Technology at 48% of assets, up from 33% a quarter earlier, followed by Healthcare and Industrials.
Against the trend, Ardsley Advisory Partners opened a new position in Primoris Services worth $13.4M.
- Ardsley Advisory Partners's largest Q2 2026 buy was Primoris Services: 135,000 shares worth $13.4M.
- Ardsley Advisory Partners added most to Advanced Micro Devices in Q2 2026, an estimated $34.8M increase.
- Ardsley Advisory Partners's biggest Q2 2026 reduction was Semtech, cutting an estimated $27.9M.
- Ardsley Advisory Partners fully exited Arista Networks in Q2 2026, selling an estimated $21.3M.
- Ardsley Advisory Partners's ten largest holdings make up 30% of its $960M portfolio in Q2 2026.
- Ardsley Advisory Partners opened 68 new positions and closed 74 in Q2 2026.
- Ardsley Advisory Partners's portfolio value rose 22% quarter-over-quarter to $960M.
Based on Ardsley Advisory Partners's 13F filing for Q2 2026, filed 13 Jul 2026.