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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
+18.49%
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
$911M
AUM Growth
+$102M
(+13%)
Cap. Flow
+$22.9M
Cap. Flow
% of AUM
2.52%
Top 10 Holdings %
Top 10 Hldgs %
28.31%
Holding
195
New
65
Increased
32
Reduced
40
Closed
53
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Eli Lilly
LLY
|
+$38.2M |
| 2 |
TE Connectivity
TEL
|
+$17M |
| 3 |
SEZL
Sezzle
SEZL
|
+$16.7M |
| 4 |
Semtech
SMTC
|
+$11.1M |
| 5 |
Texas Instruments
TXN
|
+$10.3M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
HUT
Hut 8
HUT
|
+$19.4M |
| 2 |
Arm
ARM
|
+$15.7M |
| 3 |
Eos Energy Enterprises
EOSE
|
+$15M |
| 4 |
Corning
GLW
|
+$14.5M |
| 5 |
Oracle
ORCL
|
+$13.1M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 37.1% |
| 2 | Healthcare | 15.22% |
| 3 | Financials | 7.28% |
| 4 | Industrials | 6.27% |
| 5 | Consumer Discretionary | 4.64% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
176
CALL
PagerDuty
PD
$826M
| – | – |
-170,000
| Closed | -$2.81M |
|
|
177
PagerDuty
PD
$826M
| – | – |
-227,000
| Closed | -$3.75M |
|
178
CALL
Pinduoduo
PDD
$126B
| – | – |
-25,000
| Closed | -$3.3M |
|
|
P
179
CALL
Everpure Inc
P
$23.3B
| – | – |
-20,000
| Closed | -$1.68M |
|
|
P
180
Everpure Inc
P
$23.3B
| – | – |
-100,000
| Closed | -$8.38M |
|
181
CALL
Peloton Interactive
PTON
$2.87B
| – | – |
-100,000
| Closed | -$900K |
|
|
182
Peloton Interactive
PTON
$2.87B
| – | – |
-20,000
| Closed | -$180K |
|
183
PayPal
PYPL
$50.5B
| – | – |
-66,000
| Closed | -$4.43M |
|
184
Riot Platforms
RIOT
$7.26B
| – | – |
-450,000
| Closed | -$8.56M |
|
185
CALL
Sunrun
RUN
$2.25B
| – | – |
-125,000
| Closed | -$2.16M |
|
186
Silicon Motion
SIMO
$7.09B
| – | – |
-133,000
| Closed | -$12.6M |
|
187
PUT
NuScale Power
SMR
$2.69B
| – | – |
-50,000
| Closed | -$1.8M |
|
|
SVII
188
DELISTED
Spring Valley Acquisition Corp II
SVII
| – | – |
-50,000
| Closed | -$626K |
|
189
TSMC
TSM
$1.95T
| – | – |
-14,000
| Closed | -$3.91M |
|
190
TETRA Technologies
TTI
$1.02B
| – | – |
-175,000
| Closed | -$1.01M |
|
191
Western Digital
WDC
$161B
| – | – |
-30,000
| Closed | -$3.6M |
|
192
PUT
Zeta Global
ZETA
$5.52B
| – | – |
-35,000
| Closed | -$695K |
|
193
PUT
Astera Labs
ALAB
$42.3B
| – | – |
-14,000
| Closed | -$2.74M |
|
|
AIOT
194
PowerFleet Inc
AIOT
$526M
| – | – |
-175,000
| Closed | -$917K |
|
|
LGN
195
Legence Corp
LGN
$4.14B
| – | – |
-10,000
| Closed | -$308K |
|
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Ardsley Advisory Partners's Q4 2025 Portfolio in Review
As of Q4 2025, Ardsley Advisory Partners held 195 positions worth $911M, up 13% from $809M the previous quarter. Its ten largest holdings account for 28% of the portfolio.
Ardsley Advisory Partners's Q4 2025 filing shows 65 new, 32 increased, 40 reduced and 53 closed positions. Its largest new stake was Eli Lilly: 40,000 shares worth $43M. The largest sale was Hut 8, an estimated $19.4M.
By sector, the portfolio is most concentrated in Technology at 37% of assets, down from 39% a quarter earlier, followed by Healthcare and Financials.
- Ardsley Advisory Partners's largest Q4 2025 buy was Eli Lilly: 40,000 shares worth $43M.
- Ardsley Advisory Partners added most to Semtech in Q4 2025, an estimated $11.1M increase.
- Ardsley Advisory Partners's biggest Q4 2025 reduction was Hut 8, cutting an estimated $19.4M.
- Ardsley Advisory Partners fully exited Arm in Q4 2025, selling an estimated $15.7M.
- Ardsley Advisory Partners's ten largest holdings make up 28% of its $911M portfolio in Q4 2025.
- Ardsley Advisory Partners opened 65 new positions and closed 53 in Q4 2025.
- Ardsley Advisory Partners's portfolio value rose 13% quarter-over-quarter to $911M.
Based on Ardsley Advisory Partners's 13F filing for Q4 2025, filed 17 Feb 2026.