ARDSLEY ADVISORY PARTNERS
Hedge Fund • Long/Short
ARDSLEY ADVISORY PARTNERS is a Long/Short Hedge Fund based in Norwalk, CT led by Steven Nicholas Napoli, reporting $1.1B in AUM as of Q3 2025 with 36% Technology concentration.
CFOSteven Nicholas Napoli
- Portfolio Value
- $641.4M
- Positions
- 96
- Top Holding
- FSLR at 4.44%
- Last Reported
- Q3 2025
Top Holdings
Largest long holdings in ARDSLEY ADVISORY PARTNERS's portfolio (33.7% of total portfolio)
GthenH
| Holding | Sector | Position | Weight | Traded | Ownership |
|---|---|---|---|---|---|
Solar Energy | $28.4M | 4.44% | +$25.1M Bought | 0.12% 129.0K shares | |
Financial - Capital Markets Financial Services | $27.8M | 4.34% | +$9.6M Bought | 0.76% 800.0K shares | |
Solar Energy | $27.7M | 4.31% | +$22.3M Bought | 0.69% 1.6M shares | |
Software - Infrastructure Technology | $23.9M | 3.73% | -$4.2M Sold | 0.00% 85.0K shares | |
Semiconductors Technology | $20.0M | 3.11% | -$5.4M Sold | 0.00% 60.5K shares | |
Software - Infrastructure Technology | $19.1M | 2.98% | -$2.6M Sold | 0.00% 37.0K shares | |
Internet Content & Information Communication Services | $19.0M | 2.96% | +$4.9M Bought | 0.00% 78.0K shares | |
Electrical Equipment & Parts Industrials | $18.1M | 2.83% | +$18.1M Bought | 0.57% 1.6M shares | |
Specialty Retail Consumer Cyclical | $16.6M | 2.58% | +$2.7M Bought | 0.00% 75.5K shares | |
Unknown Unknown | $15.3M | 2.38% | +$70.7K Bought | — 108.0K shares |
Changes
Portfolio activity, position movements, and quarter-over-quarter changes in ARDSLEY ADVISORY PARTNERS's latest filing
GthenC
Market Value
Q/Q Change
Net Flows % of MV
Turnover Ratio
New Purchases
Added To
Sold Out Of
Reduced Holdings
Increased Positions
| Position | Shares Δ |
|---|---|
New | |
New | |
New | |
New | |
New |
Decreased Positions
| Position | Shares Δ |
|---|---|
Sold | |
Sold | |
Sold | |
Sold | |
Sold |
Analytics
Portfolio insights and performance metrics for ARDSLEY ADVISORY PARTNERS
GthenA