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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
Cap. Flow
-$63.2M
Cap. Flow %
-6.58%
Top 10 Hldgs %
30.33%
Holding
219
New
68
Increased
29
Reduced
33
Closed
74

Top Buys

Rank Stock Value
1
AMD icon
Advanced Micro Devices
AMD
+$34.8M
2
PRIM icon
Primoris Services
PRIM
+$17.7M
3
P
Everpure Inc
P
+$17.1M
4
AAPL icon
Apple
AAPL
+$12.9M
5
SNX icon
TD Synnex
SNX
+$10.5M

Top Sells

Rank Stock Value
1
SMTC icon
Semtech
SMTC
+$27.9M
2
AVGO icon
Broadcom
AVGO
+$27.5M
3
SNDK
Sandisk
SNDK
+$24.3M
4
ANET icon
Arista Networks
ANET
+$21.3M
5
META icon
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%

No holdings matched the selected filter criteria.

5 6 7 8 9

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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.