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Ardsley Advisory Partners Portfolio holdings
AUM
$960M
Turnover
64.84%
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
+4,084.51%
AUM
$960M
AUM Growth
+$176M
(+22%)
Cap. Flow
+$28.4M
Cap. Flow % of AUM
Cap. Flow %
2.95%
Top 10 Holdings %
Top 10 Hldgs %
30.33%
Holding
219
New
68
Increased
29
Reduced
33
Closed
74
Avg Time Held
Equity + Options
0.6
years
Top 10 Avg Time Held
Equity + Options
0.1
years
Top 20 Avg Time Held
Equity + Options
0.3
years
Avg Time Held Equity only
0.6
years
Top 10 Avg Time Held Equity only
0.1
years
Top 20 Avg Time Held Equity only
0.3
years
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Advanced Micro Devices
AMD
|
+$34.8M |
| 2 |
Primoris Services
PRIM
|
+$17.7M |
| 3 |
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 |
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 | Held Since | |
|---|---|---|---|---|---|---|---|
|
1
Sandisk
SNDK
$189B
| $56.7M | 5.9% |
25,000
-17,000
| -40% | -$24.3M |
2025 Q3
3 quarters
|
|
|
2
Advanced Micro Devices
AMD
$915B
| $54M | 5.63% |
93,000
+85,000
| +1,063% | +$34.8M |
2026 Q1
1 quarter
|
|
3
Sezzle
SEZL
$4.3B
| $36.9M | 3.84% |
215,000
-85,000
| -28% | -$8.96M |
2025 Q4
2 quarters
|
|
4
TeraWulf
WULF
$6.32B
| $23.7M | 2.47% |
966,000
-84,000
| -8% | -$1.93M |
2024 Q2
8 quarters
|
|
5
BrightSpring Health Services
BTSG
$11.5B
| $22.7M | 2.36% |
325,000
-25,000
| -7% | -$1.39M |
2025 Q2
4 quarters
|
|
6
eBay
EBAY
$52.4B
| $22.3M | 2.32% |
201,000
+60,500
| +43% | +$6.46M |
2025 Q3
3 quarters
|
|
7
Sunrun
RUN
$1.81B
| $21.4M | 2.23% |
1,600,000
+465,000
| +41% | +$6.27M |
2021 Q2
20 quarters
|
|
8
Viavi Solutions
VIAV
$8.19B
| $18.6M | 1.94% |
390,000
-10,000
| -3% | -$479K |
2025 Q4
2 quarters
|
|
|
9
Everpure Inc
P
$46.2B
| $18.3M | 1.91% |
+233,000
| New | +$17.1M |
2026 Q2
0 quarters
|
|
10
Arm
ARM
$242B
| $16.6M | 1.73% |
47,000
+29,000
| +161% | +$7.71M |
2026 Q1
1 quarter
|
|
11
Shoals Technologies Group
SHLS
$1.26B
| $16.5M | 1.72% |
1,665,000
-595,000
| -26% | -$5.4M |
2025 Q1
5 quarters
|
|
12
Amazon
AMZN
$2.73T
| $16.4M | 1.71% |
69,000
-37,000
| -35% | -$9.29M |
2021 Q2
20 quarters
|
|
13
United Therapeutics
UTHR
$25.4B
| $16.3M | 1.69% |
30,000
-20,000
| -40% | -$11.3M |
2026 Q1
1 quarter
|
|
14
Teva Pharmaceutical Industries Limited
TEVA
$47.1B
| $15.8M | 1.64% |
465,000
-90,000
| -16% | -$3M |
2024 Q2
8 quarters
|
|
15
Alphabet (Google) Class C
GOOG
$3.87T
| $15.3M | 1.6% |
43,500
+13,500
| +45% | +$4.82M |
2020 Q4
22 quarters
|
|
16
Palo Alto Networks
PANW
$329B
| $14.6M | 1.52% |
+43,000
| New | +$9.8M |
2026 Q2
0 quarters
|
|
17
Twilio
TWLO
$39.1B
| $14.2M | 1.48% |
69,000
+21,800
| +46% | +$3.86M |
2025 Q4
2 quarters
|
|
|
18
Primoris Services
PRIM
$3.72B
| $13.4M | 1.39% |
+135,000
| New | +$17.7M |
2026 Q2
0 quarters
|
|
|
19
Apple
AAPL
$5.07T
| $13M | 1.35% |
+45,000
| New | +$12.9M |
2026 Q2
0 quarters
|
|
20
Zoom
ZM
$28.4B
| $12.5M | 1.3% |
145,000
+62,000
| +75% | +$5.86M |
2026 Q1
1 quarter
|
|
21
Modine Manufacturing
MOD
$7.26B
| $12M | 1.25% |
45,000
-46,100
| -51% | -$12.2M |
2025 Q4
2 quarters
|
|
22
Onto Innovation
ONTO
$10.5B
| $11.9M | 1.24% |
+31,500
| New | +$8.91M |
2026 Q2
0 quarters
|
|
|
23
TD Synnex
SNX
$20.3B
| $11.6M | 1.21% |
+43,500
| New | +$10.5M |
2026 Q2
0 quarters
|
|
24
CALL
Brookdale Senior Living
BKD
$2.28B
| $11.1M | 1.16% |
690,000
| – | – |
2025 Q4
2 quarters
|
|
25
Enphase Energy
ENPH
$3.93B
| $10.8M | 1.12% |
220,000
+135,000
| +159% | +$6.15M |
2025 Q4
2 quarters
|
|
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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's Q2 2026 filing shows 68 new, 29 increased, 33 reduced and 74 closed positions. Its largest new stake was Primoris Services: 135,000 shares worth $13.4M. The largest sale was Semtech, an estimated $27.9M.
By sector, the portfolio is most concentrated in Technology at 48% of assets, up from 33% a quarter earlier, followed by Healthcare and Industrials.
- 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.