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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 4  ·  68 positions
# Ticker Company Sector Shares Value ↓ % Port Chg Shares Chg % Period Price ① Since Period ①
1 PSTG EVERPURE INC 233,000.0 $18.3M 1.91% NEW $78.55
2 PANW PALO ALTO NETWORKS INC Technology 43,000.0 $14.6M 1.52% NEW $340.42 +10.4%
3 PRIM PRIMORIS SVCS CORP Industrials 135,000.0 $13.4M 1.39% NEW $99.14 -16.2%
4 AAPL APPLE INC Technology 45,000.0 $13.0M 1.35% NEW $289.00 +5.7%
5 ONTO ONTO INNOVATION INC Technology 31,500.0 $11.9M 1.24% NEW $378.45 -7.2%
6 SNX TD SYNNEX CORPORATION Technology 43,500.0 $11.6M 1.21% NEW $267.34 -1.3%
7 ALGT ALLEGIANT TRAVEL CO Industrials 90,000.0 $10.6M 1.10% NEW $117.60 -28.3%
8 OSCR OSCAR HEALTH INC Healthcare 350,000.0 $10.0M 1.04% NEW $28.52 +10.6%
9 CEREBRAS SYSTEMS INC 39,000.0 $8.7M 0.90% NEW $222.00
10 RELY REMITLY GLOBAL INC Technology 375,000.0 $8.4M 0.88% NEW $22.41 +17.4%
11 DVN DEVON ENERGY CORP NEW Energy 200,000.0 $8.3M 0.86% NEW $41.30 +15.2%
12 GLW CORNING INC Technology 30,000.0 $7.7M 0.80% NEW $255.41 -32.2%
13 VRTX VERTEX PHARMACEUTICALS INC Healthcare 15,000.0 $7.5M 0.78% NEW $496.73 +3.8%
14 JAZZ JAZZ PHARMACEUTICALS PLC Healthcare 30,000.0 $7.2M 0.75% NEW $240.97 +3.1%
15 GSM FERROGLOBE PLC Basic Materials 2,185,000.0 $6.9M 0.72% NEW $3.18 +34.9%
16 AKAM AKAMAI TECHNOLOGIES INC Technology 56,000.0 $6.6M 0.69% NEW $118.21 +4.0%
17 ORCL CALL ORACLE CORP Technology 45,000.0 $6.6M 0.69% NEW $146.55 +0.1%
18 MCHP MICROCHIP TECHNOLOGY INC. Technology 70,000.0 $6.3M 0.66% NEW $90.50 -11.3%
19 SLB SLB LIMITED Energy 135,000.0 $6.3M 0.65% NEW $46.49 +15.9%
20 CAMT CAMTEK LTD Technology 37,000.0 $6.0M 0.63% NEW $163.12 +5.3%
Page 1 of 4  ·  68 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%