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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 4 of 8  ·  151 positions
# Ticker Company Sector Shares Value ↓ % Port Chg Shares Chg % Period Price ① Since Period ①
61 NFLX NETFLIX INC. Communication Services 40,000.0 $3.8M 0.49% +34K +566.7% $96.16 -9.6%
62 ADMA ADMA BIOLOGICS INC Healthcare 425,000.0 $3.8M 0.49% NEW $9.01 -8.2%
63 HON HONEYWELL INTL INC Industrials 16,500.0 $3.7M 0.47% NEW $226.03 -3.7%
64 PROF PROFOUND MED CORP Healthcare 575,000.0 $3.7M 0.47% +125K +27.8% $6.48 +11.1%
65 HPE PUT HEWLETT PACKARD ENTERPRISE C Technology 155,000.0 $3.7M 0.47% NEW $23.81 +43.3%
66 WMB WILLIAMS COS INC Energy 50,000.0 $3.6M 0.46% $72.78 +6.7%
67 TAC TRANSALTA CORP Utilities 275,000.0 $3.6M 0.46% +95K +52.8% $13.15 -1.5%
68 NXE NEXGEN ENERGY LTD Energy 300,000.0 $3.5M 0.44% -825K -73.3% $11.60 +3.2%
69 BKD BROOKDALE SR LIVING INC Healthcare 250,000.0 $3.4M 0.44% NEW $13.68 -4.7%
70 ORA ORMAT TECHNOLOGIES INC Utilities 30,000.0 $3.4M 0.43% $111.92 +21.0%
71 ENPH ENPHASE ENERGY INC Energy 85,000.0 $3.2M 0.41% +48K +126.7% $37.81 +27.0%
72 ANET CALL ARISTA NETWORKS INC Technology 25,000.0 $3.1M 0.39% -15K -37.5% $122.78 +15.6%
73 DOCN PUT DIGITALOCEAN HLDGS INC Technology 35,000.0 $3.0M 0.38% NEW $85.78 +84.7%
74 MSFT MICROSOFT CORP Technology 8,000.0 $3.0M 0.38% -14K -64.0% $369.96 +10.7%
75 BRBR BELLRING BRANDS INC Consumer Defensive 175,000.0 $2.8M 0.36% -65K -27.1% $16.09 -39.8%
76 ARM ARM HOLDINGS PLC Technology 18,000.0 $2.7M 0.35% NEW $151.28 +38.3%
77 FLNC FLUENCE ENERGY INC Utilities 185,000.0 $2.5M 0.33% NEW $13.76 +52.2%
78 RAMACO RES INC 160,000.0 $2.5M 0.32% +130K +433.3% $15.46
79 TIC TIC SOLUTIONS INC Industrials 375,000.0 $2.5M 0.32% +225K +150.0% $6.58 +35.6%
80 CCJ CAMECO CORP Energy 22,500.0 $2.4M 0.31% -12K -35.7% $108.61 -1.0%
Page 4 of 8  ·  151 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%