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Portfolio (Quarterly) Guide ↗

ARDSLEY ADVISORY PARTNERS LP

· CIK 0000900529
13F Portfolio $960M AUM 145 positions Filed Jul 13, 2026 EDGAR ↗ ← All Funds
Q2 2026 Q1 2026 · All 68 New 29 Added 33 Reduced 74 Exited
Page 1 of 2  ·  29 positions
# Ticker Company Sector Shares Value ↓ % Port Chg Shares Chg % Period Price ① Since Period ①
1 AMD ADVANCED MICRO DEVICES INC Technology 93,000.0 $54.0M 5.63% +85K +1062.5% $580.91 -12.9%
2 EBAY EBAY INC. Consumer Cyclical 201,000.0 $22.3M 2.32% +60K +43.1% $110.75 -8.9%
3 RUN SUNRUN INC Energy 1,600,000.0 $21.4M 2.23% +465K +41.0% $13.38 -26.5%
4 ARM ARM HOLDINGS PLC Technology 47,000.0 $16.6M 1.73% +29K +161.1% $353.70 -23.3%
5 GOOG ALPHABET INC Communication Services 43,500.0 $15.3M 1.60% +14K +45.0% $352.82 -3.2%
6 TWLO TWILIO INC Communication Services 69,000.0 $14.2M 1.48% +22K +46.2% $206.33 +10.8%
7 ZM ZOOM COMMUNICATIONS INC Technology 145,000.0 $12.5M 1.30% +62K +74.7% $86.31 +22.3%
8 ENPH ENPHASE ENERGY INC Energy 220,000.0 $10.8M 1.12% +135K +158.8% $49.01 -21.1%
9 OKTA OKTA INC Technology 76,500.0 $10.4M 1.09% +9K +13.2% $136.45 +5.0%
10 EQIX EQUINIX INC Real Estate 10,000.0 $10.4M 1.09% +2K +25.8% $1042.39 +5.3%
11 BE BLOOM ENERGY CORP Industrials 31,000.0 $9.4M 0.98% +18K +138.5% $303.20 -23.4%
12 LITE LUMENTUM HLDGS INC Technology 10,000.0 $8.5M 0.89% +4K +61.3% $852.51 +13.7%
13 FLR FLUOR CORP Industrials 142,500.0 $7.5M 0.78% +60K +72.7% $52.39 +4.5%
14 VZ VERIZON COMMUNICATIONS INC Communication Services 155,000.0 $6.6M 0.68% +25K +19.2% $42.38 +13.4%
15 BOX BOX INC Technology 240,000.0 $6.4M 0.66% +4K +1.7% $26.54 +21.7%
16 XPLR INFRASTRUCTURE LP 525,000.0 $6.2M 0.65% +50K +10.5% $11.81
17 ADMA ADMA BIOLOGICS INC Healthcare 600,000.0 $5.0M 0.52% +175K +41.2% $8.37 +11.6%
18 TAC TRANSALTA CORP Utilities 345,000.0 $4.8M 0.50% +70K +25.4% $13.83 -8.1%
19 PI IMPINJ INC Technology 33,000.0 $4.7M 0.49% +22K +187.0% $143.23 +19.9%
20 FCEL FUELCELL ENERGY INC Industrials 120,000.0 $4.4M 0.45% +75K +166.7% $36.29 -38.4%
Page 1 of 2  ·  29 positions

Period Price is the implied market price on the last day of the reporting period, calculated as reported value ÷ shares held. It is not the fund's purchase price or cost basis — the fund may have initiated or added to the position at any point during the quarter at a different price. Since Period shows the price change from that quarter-end snapshot to today's last price — it reflects stock movement after the report date, not the fund's actual return.

Sector Allocation
Technology 42.2%
Healthcare 12.9%
Industrials 10.1%
Financial Services 9.5%
Energy 9.1%
Consumer Cyclical 7.7%
Communication Services 4.7%
Basic Materials 1.4%
Utilities 1.2%
Real Estate 1.2%