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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 | |
|---|---|---|---|---|---|---|
1
Fluor
FLR
$6.89B
| $40.8M | 5.37% |
796,000
+61,000
| +8% | +$2.43M |
|
2
PUT
Marvell Technology
MRVL
$157B
| $34.7M | 4.56% |
+448,000
| New | +$28M |
|
3
CALL
State Street SPDR S&P 500 ETF Trust
SPY
$783B
| $30.9M | 4.06% |
+50,000
| New | +$28.6M |
|
|
4
NVIDIA
NVDA
$4.77T
| $23.8M | 3.13% |
151,000
+96,500
| +177% | +$12.1M |
|
|
5
Arista Networks
ANET
$214B
| $22.3M | 2.93% |
+218,000
| New | +$18.9M |
|
6
PUT
Advanced Micro Devices
AMD
$741B
| $22M | 2.89% |
+155,000
| New | +$16.9M |
|
7
Oracle
ORCL
$346B
| $21.9M | 2.87% |
100,000
+20,000
| +25% | +$3.23M |
|
|
8
Broadcom
AVGO
$1.81T
| $21.2M | 2.79% |
77,000
-55,600
| -42% | -$12.1M |
|
9
Celestica
CLS
$40.3B
| $21.1M | 2.77% |
135,000
-51,000
| -27% | -$5.42M |
|
|
10
Microsoft
MSFT
$2.92T
| $20.9M | 2.75% |
42,000
+30,300
| +259% | +$13.2M |
|
11
Arm
ARM
$261B
| $17.4M | 2.29% |
107,500
+72,650
| +208% | +$9.02M |
|
12
Amazon
AMZN
$2.48T
| $13.8M | 1.82% |
63,000
+26,700
| +74% | +$5.28M |
|
13
Affirm
AFRM
$24.2B
| $13.5M | 1.78% |
+197,000
| New | +$10.2M |
|
14
BWX Technologies
BWXT
$15.5B
| $12.2M | 1.61% |
+85,000
| New | +$9.93M |
|
|
15
Humana
HUM
$46.7B
| $12.2M | 1.61% |
+50,000
| New | +$12.5M |
|
|
16
ServiceNow
NOW
$114B
| $11.8M | 1.55% |
+57,500
| New | +$10.8M |
|
17
Netflix
NFLX
$301B
| $11.4M | 1.5% |
85,000
+12,000
| +16% | +$1.36M |
|
18
Indivior Pharmaceuticals
INDV
$4.85B
| $10.7M | 1.41% |
725,000
+100,000
| +16% | +$1.16M |
|
19
Alphabet (Google) Class C
GOOG
$4.07T
| $10.3M | 1.35% |
58,000
+55,000
| +1,833% | +$9.09M |
|
20
TE Connectivity
TEL
$62.1B
| $10M | 1.32% |
59,500
+27,100
| +84% | +$4.11M |
|
21
Mirion Technologies
MIR
$4.11B
| $9.97M | 1.31% |
463,220
+288,220
| +165% | +$4.97M |
|
|
HUT
22
Hut 8
HUT
$11.4B
| $9.77M | 1.28% |
+525,000
| New | +$7.83M |
|
23
Dave Inc
DAVE
$5.17B
| $9.39M | 1.24% |
+35,000
| New | +$5.52M |
|
24
Ciena
CIEN
$49.6B
| $8.95M | 1.18% |
110,000
+10,500
| +11% | +$753K |
|
25
Magnite
MGNI
$2.82B
| $8.92M | 1.17% |
370,000
+214,000
| +137% | +$3.15M |
|
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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.