We are live on
!
Find out more
AAP
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 | |
|---|---|---|---|---|---|---|
1
PUT
Marvell Technology
MRVL
$157B
| $34.9M | 4.31% |
415,000
-33,000
| -7% | -$2.43M |
|
|
2
First Solar
FSLR
$21.8B
| $28.4M | 3.52% |
129,000
+114,000
| +760% | +$21.9M |
|
|
HUT
3
Hut 8
HUT
$11.4B
| $27.8M | 3.44% |
800,000
+275,000
| +52% | +$6.99M |
|
|
4
Sunrun
RUN
$2.3B
| $27.7M | 3.42% |
1,600,000
+1,290,000
| +416% | +$17.3M |
|
5
Oracle
ORCL
$346B
| $23.9M | 2.95% |
85,000
-15,000
| -15% | -$3.82M |
|
6
Broadcom
AVGO
$1.81T
| $20M | 2.47% |
60,500
-16,500
| -21% | -$5.06M |
|
7
Microsoft
MSFT
$2.92T
| $19.1M | 2.36% |
37,000
-5,000
| -12% | -$2.55M |
|
8
Alphabet (Google) Class C
GOOG
$4.07T
| $19M | 2.35% |
78,000
+20,000
| +34% | +$4.2M |
|
|
9
Eos Energy Enterprises
EOSE
$1.22B
| $18.1M | 2.24% |
+1,600,000
| New | +$10.9M |
|
|
10
CALL
Alphabet (Google) Class C
GOOG
$4.07T
| $17M | 2.11% |
+70,000
| New | +$14.7M |
|
11
Amazon
AMZN
$2.48T
| $16.6M | 2.05% |
75,500
+12,500
| +20% | +$2.83M |
|
12
Arm
ARM
$261B
| $15.3M | 1.89% |
108,000
+500
| +0.5% | +$72.8K |
|
|
13
NVIDIA
NVDA
$4.77T
| $14.7M | 1.82% |
79,000
-72,000
| -48% | -$12.6M |
|
|
14
Lumentum
LITE
$50.7B
| $14M | 1.73% |
+86,000
| New | +$10.7M |
|
15
Corning
GLW
$108B
| $13.8M | 1.7% |
167,878
+15,878
| +10% | +$1.04M |
|
16
TeraWulf
WULF
$8.47B
| $13.7M | 1.7% |
1,200,000
-450,000
| -27% | -$3.44M |
|
17
BrightSpring Health Services
BTSG
$14.2B
| $13.3M | 1.64% |
450,000
+300,000
| +200% | +$6.97M |
|
|
18
Silicon Motion
SIMO
$7.51B
| $12.6M | 1.56% |
+133,000
| New | +$10.6M |
|
19
Shopify
SHOP
$169B
| $12.4M | 1.53% |
83,200
+23,800
| +40% | +$3.23M |
|
20
Teradyne
TER
$50.2B
| $12.1M | 1.5% |
88,000
+72,100
| +453% | +$7.88M |
|
21
Alamos Gold
AGI
$12.1B
| $11.3M | 1.4% |
+325,000
| New | +$9.29M |
|
|
SNDK
22
Sandisk
SNDK
$162B
| $11.2M | 1.39% |
+100,000
| New | +$5.84M |
|
23
argenx
ARGX
$54.6B
| $11.1M | 1.37% |
+15,000
| New | +$9.89M |
|
24
Teva Pharmaceuticals
TEVA
$36.9B
| $10.1M | 1.25% |
500,000
+100,000
| +25% | +$1.76M |
|
25
CALL
iShares Global Clean Energy ETF
ICLN
$2.27B
| $10.1M | 1.24% |
650,000
+250,000
| +63% | +$3.54M |
|
Similar funds
NA
MK
QIM
JVBC
TFP
UWPG
LOAMU
PHS
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.