ARDSLEY ADVISORY PARTNERS LP XIFR NEXTERA ENERGY PARTNERS LP

Ownership history in ARDSLEY ADVISORY PARTNERS LP  ·  17 quarters on record

AI Ownership Summary

ARDSLEY ADVISORY PARTNERS LP reported NEXTERA ENERGY PARTNERS LP (XIFR) in 17 quarterly 13F filings from 2024 Q1 through 2026 Q1. Peak portfolio weight reached 1.59% in 2025 Q1. The latest visible filing shows XIFR at 0.64% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings. Older history is available after unlock; the visible window still shows the most recent pattern.

What this XIFR ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was ARDSLEY ADVISORY PARTNERS LP's position in NEXTERA ENERGY PARTNERS LP, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2026 Q1

XIFR was reported at 0.64% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
1.59% in 2025 Q1

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2024 Q1 to 2026 Q1

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

How ARDSLEY ADVISORY PARTNERS LP held XIFR — position size vs. price
% of Fund (quarterly)    XIFR price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 11 quarters  
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 ADDED 475,000 +25,000 +5.6% 0.64% $5.0M 2026-05-15 $11.08
2025 Q4 REDUCED 48.9% +6.2% 450,000 -430,000 -48.9% 0.49% $4.5M 2026-02-17 $10.70
2025 Q3 ADDED 880,000 +150,000 +20.5% 1.11% $8.9M 2025-11-14 $9.39
2025 Q2 ADDED 730,000 +630,000 +630.0% 0.79% $6.0M 2025-08-14 $9.41
2025 Q1 REDUCED 88.6% -13.7% 100,000 -775,000 -88.6% 0.18% $950K 2025-05-15 $9.59
2025 Q1 ADDED 875,000 +775,000 +775.0% 1.59% $8.3M 2025-05-15 $9.59
2024 Q4 REDUCED 47.4% -46.6% 100,000 -90,000 -47.4% 0.28% $1.8M 2025-02-14 $8.48
2024 Q4 ADDED 190,000 +170,000 +850.0% 0.54% $3.4M 2025-02-14 $8.48
2024 Q3 REDUCED 90.5% -33.4% 20,000 -190,000 -90.5% 0.09% $552K 2024-11-14 $16.98
2024 Q2 REDUCED 22.2% +3.6% 210,000 -60,000 -22.2% 0.85% $5.8M 2024-08-14 $23.60
2024 Q1 UNCHANGED 270,000 0% 1.17% $8.1M 2024-05-15 $30.95
6 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

FAQ About ARDSLEY ADVISORY PARTNERS LP and XIFR

These are the practical questions this page is built to answer before you even open the full history table.

How long has ARDSLEY ADVISORY PARTNERS LP reported owning XIFR?

ARDSLEY ADVISORY PARTNERS LP reported XIFR across 11 quarterly 13F filings, from 2024 Q1 through 2026 Q1.

What was the largest reported XIFR position in ARDSLEY ADVISORY PARTNERS LP's portfolio?

The largest reported portfolio weight for XIFR was 1.59% in 2025 Q1.

What is the latest reported XIFR position on this page?

The most recent filing on this page is 2026 Q1, when ARDSLEY ADVISORY PARTNERS LP reported 475,000 shares, equal to 0.64% of portfolio, with an estimated market value of $5.0M.

What does the chart on this XIFR ownership page compare?

The chart compares ARDSLEY ADVISORY PARTNERS LP's quarterly XIFR portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

How well did ARDSLEY ADVISORY PARTNERS LP time their XIFR position?

Based on 13F filing dates vs. subsequent XIFR price moves, ARDSLEY ADVISORY PARTNERS LP correctly timed 7 out of 15 reported position changes (47%). The annualised alpha on XIFR relative to SPY over the holding period was -42.7%.

← Back to ARDSLEY ADVISORY PARTNERS LP Holdings