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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 | |
|---|---|---|---|---|---|---|
51
Box
BOX
$4.36B
| $6.37M | 0.66% |
240,000
+4,000
| +2% | +$99.8K |
|
52
Microchip Technology
MCHP
$41.1B
| $6.33M | 0.66% |
+70,000
| New | +$6.24M |
|
53
SLB Ltd
SLB
$74.2B
| $6.28M | 0.65% |
+135,000
| New | +$7.24M |
|
|
XIFR
54
XPLR Infrastructure LP
XIFR
$1.11B
| $6.2M | 0.65% |
525,000
+50,000
| +11% | +$559K |
|
55
Camtek
CAMT
$6.53B
| $6.04M | 0.63% |
+37,000
| New | +$6.56M |
|
56
Mirion Technologies
MIR
$4.11B
| $5.83M | 0.61% |
325,000
| – | – |
|
57
Salesforce
CRM
$149B
| $5.64M | 0.59% |
+36,000
| New | +$6.33M |
|
|
GMTL
58
Guardian Metal Resources
GMTL
$391M
| $5.6M | 0.58% |
+400,000
| New | +$6.69M |
|
59
GeneDx Holdings
WGS
$1.84B
| $5.15M | 0.54% |
75,000
-25,000
| -25% | -$1.42M |
|
60
Applied Optoelectronics
AAOI
$7.07B
| $5.13M | 0.53% |
+35,000
| New | +$5.69M |
|
61
ADMA Biologics
ADMA
$2.04B
| $5.02M | 0.52% |
600,000
+175,000
| +41% | +$1.6M |
|
62
Clearway Energy Class C
CWEN
$4.9B
| $4.79M | 0.5% |
140,000
| – | – |
|
63
TransAlta
TAC
$4.03B
| $4.77M | 0.5% |
345,000
+70,000
| +25% | +$925K |
|
64
Impinj
PI
$4.05B
| $4.73M | 0.49% |
33,000
+21,500
| +187% | +$2.81M |
|
65
BorgWarner
BWA
$13B
| $4.65M | 0.48% |
+70,000
| New | +$4.43M |
|
|
NAVN
66
Navan Inc
NAVN
$6.7B
| $4.57M | 0.48% |
+200,000
| New | +$3.66M |
|
67
CALL
FuelCell Energy
FCEL
$1.57B
| $4.5M | 0.47% |
+125,000
| New | +$2.03M |
|
68
GlobalFoundries
GFS
$26.9B
| $4.49M | 0.47% |
+54,500
| New | +$3.81M |
|
69
Flowserve
FLS
$9.38B
| $4.45M | 0.46% |
+60,000
| New | +$4.56M |
|
|
70
FuelCell Energy
FCEL
$1.57B
| $4.35M | 0.45% |
120,000
+75,000
| +167% | +$1.22M |
|
71
Lam Research
LRCX
$337B
| $4.33M | 0.45% |
+10,000
| New | +$3.04M |
|
72
CVS Health
CVS
$140B
| $4.14M | 0.43% |
40,000
-45,000
| -53% | -$4.02M |
|
73
Manhattan Associates
MANH
$9.95B
| $3.97M | 0.41% |
+28,500
| New | +$3.93M |
|
74
Global E Online
GLBE
$6.53B
| $3.92M | 0.41% |
+113,000
| New | +$3.57M |
|
75
BWX Technologies
BWXT
$15.5B
| $3.89M | 0.41% |
20,000
-5,000
| -20% | -$1.04M |
|
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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.