Parallax Volatility Advisers, L.P. XLRE SELECT SECTOR SPDR TR

Ownership history in Parallax Volatility Advisers, L.P.  ·  27 quarters on record

AI Ownership Summary

Parallax Volatility Advisers, L.P. reported SELECT SECTOR SPDR TR (XLRE) in 27 quarterly 13F filings from 2023 Q4 through 2025 Q3. Peak portfolio weight reached 0.02% in 2024 Q2. The latest visible filing shows XLRE at 0.00% 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 XLRE ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Parallax Volatility Advisers, L.P.'s position in SELECT SECTOR SPDR TR, 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
2025 Q3

XLRE was reported at 0.00% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.02% in 2024 Q2

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

Time in book
Holding Window
2023 Q4 to 2025 Q3

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 Parallax Volatility Advisers, L.P. held XLRE — position size vs. price
% of Fund (quarterly)    XLRE price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 13 quarters  
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q3 ADDED 42,000 +38,759 +1195.9% 0.00% $1.8M 2025-11-14 $40.24
2025 Q1 REDUCED 97.3% -0.1% 3,241 -116,759 -97.3% 0.00% $136K 2025-05-15 $40.10
2025 Q1 ADDED 120,000 +111,532 +1317.1% 0.01% $5.0M 2025-05-15 $40.10
2024 Q4 REDUCED 95.5% +3.6% 8,468 -179,232 -95.5% 0.00% $344K 2025-02-14 $40.39
2024 Q4 UNCHANGED 187,700 0% 0.01% $7.6M 2025-02-14 $40.39
2024 Q3 ADDED 187,700 +185,977 +10793.8% 0.02% $8.4M 2024-11-14 $40.79
2024 Q3 ADDED 1,723 +837 +94.5% 0.00% $77K 2024-11-14 $40.79
2024 Q2 REDUCED 99.5% +17.1% 886 -186,814 -99.5% 0.00% $34K 2024-08-14 $39.62
2024 Q2 ADDED 187,700 +186,253 +12871.7% 0.02% $7.2M 2024-08-14 $39.62
2024 Q1 REDUCED 96.4% -2.8% 1,447 -38,553 -96.4% 0.00% $57K 2024-05-15 $36.26
2024 Q1 UNCHANGED 40,000 0% 0.00% $1.6M 2024-05-15 $36.26
2023 Q4 ADDED 40,000 +35,480 +785.0% 0.00% $1.6M 2024-02-14 $35.10
2023 Q4 REDUCED 88.7% -2.4% 4,520 -35,580 -88.7% 0.00% $181K 2024-02-14 $35.10
14 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

FAQ About Parallax Volatility Advisers, L.P. and XLRE

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

How long has Parallax Volatility Advisers, L.P. reported owning XLRE?

Parallax Volatility Advisers, L.P. reported XLRE across 13 quarterly 13F filings, from 2023 Q4 through 2025 Q3.

What was the largest reported XLRE position in Parallax Volatility Advisers, L.P.'s portfolio?

The largest reported portfolio weight for XLRE was 0.02% in 2024 Q2.

What is the latest reported XLRE position on this page?

The most recent filing on this page is 2025 Q3, when Parallax Volatility Advisers, L.P. reported 42,000 shares, equal to 0.00% of portfolio, with an estimated market value of $1.8M.

What does the chart on this XLRE ownership page compare?

The chart compares Parallax Volatility Advisers, L.P.'s quarterly XLRE 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 Parallax Volatility Advisers, L.P. time their XLRE position?

Based on 13F filing dates vs. subsequent XLRE price moves, Parallax Volatility Advisers, L.P. correctly timed 8 out of 24 reported position changes (33%). The annualised alpha on XLRE relative to SPY over the holding period was -10.3%.

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