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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  ·  34 positions
# Ticker Company Sector Shares Value ↓ % Port Chg Shares Chg % Period Price ① Since Period ①
21 WOLF WOLFSPEED INC Technology 140,000.0 $2.3M 0.29% -25K -15.2% $16.34 +328.2%
22 TER TERADYNE INC Technology 7,500.0 $2.2M 0.28% -52K -87.5% $296.46 +20.3%
23 ORN ORION GROUP HLDGS INC Industrials 200,000.0 $2.2M 0.28% -200K -50.0% $10.90 +42.0%
24 BE BLOOM ENERGY CORP Industrials 13,000.0 $1.8M 0.22% -38K -74.5% $134.81 +104.7%
25 AEIS ADVANCED ENERGY INDS Industrials 5,000.0 $1.6M 0.21% -68K -93.2% $322.71 +0.2%
26 MTZ MASTEC INC Industrials 5,000.0 $1.6M 0.20% -10K -66.7% $321.74 +35.1%
27 ALDX ALDEYRA THERAPEUTICS INC Healthcare 950,000.0 $1.6M 0.20% -500K -34.5% $1.69 -0.6%
28 EOSE EOS ENERGY ENTERPRISES INC Industrials 300,000.0 $1.5M 0.19% -255K -46.0% $4.96 +64.7%
29 STKL SUNOPTA INC Consumer Defensive 220,000.0 $1.4M 0.18% -470K -68.1% $6.48 +0.3%
30 NOW CALL SERVICENOW INC Technology 12,000.0 $1.3M 0.16% -14K -54.7% $104.55 -13.4%
31 TXN TEXAS INSTRS INC Technology 6,000.0 $1.2M 0.15% -54K -90.0% $194.14 +57.8%
32 DQ CALL DAQO NEW ENERGY CORP Technology 50,000.0 $1.1M 0.14% -100K -66.7% $21.27 -11.8%
33 INTC CALL INTEL CORP Technology 18,000.0 $794K 0.10% -42K -70.0% $44.13 +162.7%
34 SNAP CALL SNAP INC Communication Services 50,000.0 $230K 0.03% -180K -78.3% $4.60 +16.5%
Page 2 of 2  ·  34 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%