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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
+67.81%
1 Year Est. Return
+207.76%
3 Year Est. Return
+554.53%
5 Year Est. Return
+728.66%
10 Year Est. Return
+4,084.52%
AUM
$960M
AUM Growth
+$176M
(+22%)
Cap. Flow
-$63.2M
Cap. Flow
% of AUM
-6.58%
Top 10 Holdings %
Top 10 Hldgs %
30.33%
Holding
219
New
68
Increased
29
Reduced
33
Closed
74
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Advanced Micro Devices
AMD
|
+$34.8M |
| 2 |
Primoris Services
PRIM
|
+$17.7M |
| 3 |
P
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 |
SNDK
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 | |
|---|---|---|---|---|---|---|
76
Amphenol
APH
$177B
| $3.88M | 0.4% |
+22,000
| New | +$3.17M |
|
77
Texas Instruments
TXN
$253B
| $3.87M | 0.4% |
13,000
+7,000
| +117% | +$1.94M |
|
|
SKE
78
Skeena Resources
SKE
$3.28B
| $3.87M | 0.4% |
145,000
-30,000
| -17% | -$901K |
|
|
PROF
79
Profound Medical
PROF
$263M
| $3.82M | 0.4% |
575,000
| – | – |
|
80
Williams Companies
WMB
$85.8B
| $3.72M | 0.39% |
50,000
| – | – |
|
81
Shopify
SHOP
$169B
| $3.71M | 0.39% |
+32,500
| New | +$3.71M |
|
82
Western Digital
WDC
$160B
| $3.51M | 0.37% |
+5,500
| New | +$2.67M |
|
|
AEVA
83
Aeva Technologies
AEVA
$1B
| $3.49M | 0.36% |
+121,500
| New | +$2.39M |
|
84
Orion Group Holdings
ORN
$485M
| $3.36M | 0.35% |
200,000
| – | – |
|
|
TIC
85
TIC Solutions Inc
TIC
$1.6B
| $3.24M | 0.34% |
400,000
+25,000
| +7% | +$211K |
|
86
Eos Energy Enterprises
EOSE
$1.22B
| $3.23M | 0.34% |
550,000
+250,000
| +83% | +$1.74M |
|
87
Alamos Gold
AGI
$12.1B
| $3.19M | 0.33% |
105,000
-70,000
| -40% | -$2.83M |
|
88
Cohu
COHU
$2B
| $3.08M | 0.32% |
+41,700
| New | +$2.08M |
|
89
Flex
FLEX
$41.5B
| $3.08M | 0.32% |
+19,000
| New | +$2.3M |
|
90
Fortrea Holdings
FTRE
$1.96B
| $3.04M | 0.32% |
+175,000
| New | +$2.36M |
|
91
STMicroelectronics
STM
$44.7B
| $3.02M | 0.31% |
+41,000
| New | +$2.47M |
|
92
CALL
ServiceNow
NOW
$114B
| $2.98M | 0.31% |
30,000
+18,000
| +150% | +$1.78M |
|
93
Wolfspeed
WOLF
$1.14B
| $2.9M | 0.3% |
60,000
-80,000
| -57% | -$3.48M |
|
94
Veeco
VECO
$2.79B
| $2.8M | 0.29% |
+37,000
| New | +$2.11M |
|
95
CALL
Atlassian
TEAM
$25.4B
| $2.72M | 0.28% |
+35,000
| New | +$2.86M |
|
96
KBR
KBR
$4.74B
| $2.59M | 0.27% |
+75,000
| New | +$2.62M |
|
97
Energy Transfer Partners
ET
$69.5B
| $2.39M | 0.25% |
125,000
+50,000
| +67% | +$968K |
|
|
P
98
CALL
Everpure Inc
P
$24.3B
| $2.36M | 0.25% |
+30,000
| New | +$2.2M |
|
99
Pagaya Technologies
PGY
$1.38B
| $2.29M | 0.24% |
+125,000
| New | +$1.77M |
|
100
TripAdvisor
TRIP
$1.74B
| $2.28M | 0.24% |
+166,000
| New | +$1.88M |
|
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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 withdrew a net $63.2M in Q2 2026, closing 74 positions and reducing 33 holdings. Its most notable exit was Arista Networks, an estimated $21.3M position sold in full.
By sector, the portfolio is most concentrated in Technology at 48% of assets, up from 33% a quarter earlier, followed by Healthcare and Industrials.
Against the trend, Ardsley Advisory Partners opened a new position in Primoris Services worth $13.4M.
- 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.