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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
+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
Cap. Flow
-$94.4M
Cap. Flow %
-11.67%
Top 10 Hldgs %
29.18%
Holding
208
New
63
Increased
29
Reduced
28
Closed
78

Top Buys

Rank Stock Value
1
FSLR icon
First Solar
FSLR
+$21.9M
2
RUN icon
Sunrun
RUN
+$17.3M
3
EOSE icon
Eos Energy Enterprises
EOSE
+$10.9M
4
LITE icon
Lumentum
LITE
+$10.7M
5
SIMO icon
Silicon Motion
SIMO
+$10.6M

Top Sells

Rank Stock Value
1
FLR icon
Fluor
FLR
+$30.4M
2
ANET icon
Arista Networks
ANET
+$23.7M
3
CLS icon
Celestica
CLS
+$21.1M
4
AFRM icon
Affirm
AFRM
+$13.5M
5
NVDA icon
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
META icon
176
Meta Platforms (Facebook)
META
$1.49T
– –
-9,500
Closed -$7.01M
MP icon
177
MP Materials
MP
$6.78B
– –
-95,000
Closed -$3.17M
MSFT icon
178
PUT
Microsoft
MSFT
$2.9T
– –
-7,000
Closed -$3.48M
MU icon
179
PUT
Micron Technology
MU
$835B
– –
-20,000
Closed -$2.46M
NFLX icon
180
Netflix
NFLX
$307B
– –
-85,000
Closed -$11.4M
NOK icon
181
CALL
Nokia
NOK
$46.9B
– –
-240,000
Closed -$1.24M
NOW icon
182
ServiceNow
NOW
$120B
– –
-57,500
Closed -$11.8M
NRG icon
183
NRG Energy
NRG
$26.2B
– –
-5,000
Closed -$803K
PL icon
184
CALL
Planet Labs
PL
$6.94B
– –
-30,000
Closed -$183K
PL icon
185
Planet Labs
PL
$6.94B
– –
-125,000
Closed -$763K
PLUG icon
186
Plug Power
PLUG
$2.65B
– –
-250,000
Closed -$373K
PPTA
187
Perpetua Resources
PPTA
$2.16B
– –
-75,000
Closed -$911K
PUBM icon
188
PubMatic
PUBM
$608M
– –
-35,000
Closed -$435K
RBLX icon
189
Roblox
RBLX
$35.9B
– –
-15,000
Closed -$1.58M
RELY icon
190
Remitly
RELY
$4.9B
– –
-300,000
Closed -$5.63M
ROG icon
191
Rogers Corp
ROG
$2.09B
– –
-10,000
Closed -$685K
SGRY icon
192
Surgery Partners
SGRY
$2.15B
– –
-300,000
Closed -$6.67M
SHLS icon
193
CALL
Shoals Technologies Group
SHLS
$1.33B
– –
-200,000
Closed -$850K
SMH icon
194
PUT
VanEck Semiconductor ETF
SMH
$60.8B
– –
-7,000
Closed -$1.95M
SMIN icon
195
iShares MSCI India Small-Cap ETF
SMIN
$750M
– –
-60,000
Closed -$4.63M
SNX icon
196
TD Synnex
SNX
$19.9B
– –
-6,000
Closed -$814K
SPRY icon
197
ARS Pharmaceuticals
SPRY
$579M
– –
-475,000
Closed -$8.29M
SPY icon
198
CALL
State Street SPDR S&P 500 ETF Trust
SPY
$771B
– –
-50,000
Closed -$30.9M
STM icon
199
STMicroelectronics
STM
$43.1B
– –
-130,000
Closed -$3.97M
TEL icon
200
TE Connectivity
TEL
$60B
– –
-59,500
Closed -$10M
5 6 7
8
9

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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.