ARDSLEY ADVISORY PARTNERS LP
All 13F Filings
- Location
- Norwalk, CT
- Most recent 13F
- Q4 2025
- Holdings value ($000)
- 911,130
- Description
- —
- Website
- —
- Founded
- —
- Chairman
- —
- CEO
- —
- All SEC filings
- View on sec.gov
Sector allocation over time (stocks only)
Stacked by quarter. Hover to see detailed sector breakdown for any quarter.
| Quarter | Date Filed | Holdings | Value ($000) | Form Type | Name |
|---|---|---|---|---|---|
| Q4 2025 | 2/17/2026 | 142 | 911,130 | 13F-HR | ARDSLEY ADVISORY PARTNERS LP |
| Q3 2025 | 11/14/2025 | 130 | 808,665 | 13F-HR | ARDSLEY ADVISORY PARTNERS LP |
| Q2 2025 | 8/14/2025 | 145 | 760,623 | 13F-HR | ARDSLEY ADVISORY PARTNERS LP |
| Q1 2014 | 5/15/2014 | 228 | 667,540 | 13F-HR | ARDSLEY ADVISORY PARTNERS |
| Q4 2013 | 2/12/2014 | 161 | 752,569 | 13F-HR | ARDSLEY ADVISORY PARTNERS |
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Money flow by instrument (QoQ, ex-options)
Derivatives reported exposure ($000):
125.8 K
(13.8% of total reported value)
· QoQ Δ:
-30.77 K
| Type | Value ($000) | Share % | Inflow | Outflow | Net |
|---|---|---|---|---|---|
| Stocks | 757.9 K | 96.5% | 114.2 K | 0 | 114.2 K |
| ETFs | 18.99 K | 2.4% | 10.52 K | 0 | 10.52 K |
| Other | 8.5 K | 1.1% | 8.5 K | 0 | 8.5 K |
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Fund Snapshot
Q4 2025
Latest filed
2/17/2026
Total value ($000)
911,130
Holdings
142
QoQ value change ($000)
102,465
(12.7%)
Value = total reported 13F value ($000), Holdings = number of positions.
13F Value over time
Holdings count over time
Sector allocation (latest, stocks only)
Methodology:
sector allocation is stocks-only;
instrument flow table is ex-options;
options exposure is shown separately.
Details.