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Portfolio (Quarterly) Guide ↗

ARDSLEY ADVISORY PARTNERS LP

· CIK 0000900529
13F Portfolio $784.4B AUM 151 positions Filed May 15, 2026 EDGAR ↗ ← All Funds
Q1 2026 Q4 2025 · All 72 New 33 Added 34 Reduced 63 Exited
Page 2 of 2  ·  33 positions
# Ticker Company Sector Shares Value ↓ % Port Chg Shares Chg % Period Price ① Since Period ①
21 ENPH ENPHASE ENERGY INC Energy 85,000.0 $3.2M 0.41% +48K +126.7% $37.81 +27.0%
22 RAMACO RES INC 160,000.0 $2.5M 0.32% +130K +433.3% $15.46
23 TIC TIC SOLUTIONS INC Industrials 375,000.0 $2.5M 0.32% +225K +150.0% $6.58 +35.6%
24 COHR PUT COHERENT CORP Technology 10,000.0 $2.4M 0.30% +3K +42.9% $238.21 +70.0%
25 INTC INTEL CORP Technology 53,000.0 $2.3M 0.30% +2K +3.9% $44.19 +162.3%
26 SMTC CALL SEMTECH CORP Technology 30,000.0 $2.3M 0.29% +8K +36.4% $76.89 +83.6%
27 ET ENERGY TRANSFER L P Energy 75,000.0 $1.4M 0.18% +50K +200.0% $19.21 +6.0%
28 ITRI ITRON INC Technology 15,000.0 $1.3M 0.17% +1K +7.1% $89.63 -9.0%
29 ESOA ENERGY SERVICES OF AMER CORP Industrials 100,000.0 $1.3M 0.17% +50K +100.0% $13.13 +32.7%
30 SUNPOWER INC 960,000.0 $1.2M 0.15% +440K +84.6% $1.27
31 PI IMPINJ INC Technology 11,500.0 $1.2M 0.15% +5K +76.9% $102.70 +40.8%
32 ARRY ARRAY TECHNOLOGIES INC Energy 100,000.0 $723K 0.09% +75K +300.0% $7.23 +24.1%
33 ALDX CALL ALDEYRA THERAPEUTICS INC Healthcare 300,000.0 $507K 0.07% +250K +500.0% $1.69 -0.6%
Page 2 of 2  ·  33 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 31.4%
Healthcare 17.9%
Consumer Cyclical 9.3%
Communication Services 8.8%
Energy 8.8%
Financial Services 8.8%
Industrials 8.5%
Utilities 2.8%
Basic Materials 1.6%
Real Estate 1.3%