Procyon Advisors, LLC LYB — LYONDELLBASELL INDUSTRIES N V SHS - A -

Ownership history in Procyon Advisors, LLC  ·  25 quarters on record

AI Ownership Summary

Procyon Advisors, LLC reported LYONDELLBASELL INDUSTRIES N V SHS - A - (LYB) in 25 quarterly 13F filings from 2024 Q1 through 2026 Q2. Peak portfolio weight reached 0.08% in 2024 Q2. The latest visible filing shows LYB at 0.02% 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 LYB ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Procyon Advisors, LLC's position in LYONDELLBASELL INDUSTRIES N V SHS - A -, 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 Q2

LYB was reported at 0.02% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.08% 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
2024 Q1 to 2026 Q2

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.

LYB stock page Procyon Advisors, LLC fund profile Procyon Advisors, LLC full holdings
How Procyon Advisors, LLC held LYB — position size vs. price
% of Fund (quarterly)    LYB price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 9 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q2 REDUCED — — — 7,550 -355 -4.5% 0.02% $398K 2026-07-09 $55.03
2026 Q1 ADDED — — — 7,905 +2,765 +53.8% 0.03% $637K 2026-05-04 $76.04
2025 Q3 REDUCED 26.5% -8.8% ✅ 5,140 -1,854 -26.5% 0.01% $252K 2025-10-28 $45.72
2025 Q2 REDUCED 36.8% -13.1% ✅ 6,994 -4,066 -36.8% 0.04% $405K 2025-07-09 $60.82
2025 Q1 REDUCED — — — 11,060 -14 -0.1% 0.05% $779K 2025-04-11 $52.07
2024 Q4 REDUCED — — — 11,074 -435 -3.8% 0.05% $822K 2025-01-15 $68.43
2024 Q3 ADDED — — — 11,509 +17 +0.1% 0.08% $1.1M 2024-10-11 $83.00
2024 Q2 ADDED — — — 11,492 +4,732 +70.0% 0.08% $1.1M 2024-08-02 $82.39
2024 Q1 REDUCED 5.0% -6.2% ✅ 6,760 -356 -5.0% 0.05% $691K 2024-04-15 $86.51
16 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding LYB

As of 2026 Q2 — sorted by position size

KWMG, LLC 3Y 7Y 0.38% Gradient Investments LLC 3Y 7Y 0.2% CoreCap Advisors, LLC 3Y 0.12% Assenagon Asset Management S.A. 3Y 7Y 0.06% Arista Wealth Management, LLC 3Y 0.03% Stablepoint Partners, LLC 0.03% MOODY NATIONAL BANK TRUST DIVISION 3Y 7Y 0.03% Czech National Bank 3Y 0.02% Cooper Financial Group 3Y 7Y 0.02% GAMMA Investing LLC 0.01%

FAQ About Procyon Advisors, LLC and LYB

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

How long has Procyon Advisors, LLC reported owning LYB?

Procyon Advisors, LLC reported LYB across 9 quarterly 13F filings, from 2024 Q1 through 2026 Q2.

What was the largest reported LYB position in Procyon Advisors, LLC's portfolio?

The largest reported portfolio weight for LYB was 0.08% in 2024 Q2.

What is the latest reported LYB position on this page?

The most recent filing on this page is 2026 Q2, when Procyon Advisors, LLC reported 7,550 shares, equal to 0.02% of portfolio, with an estimated market value of $398K.

What does the chart on this LYB ownership page compare?

The chart compares Procyon Advisors, LLC's quarterly LYB 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 Procyon Advisors, LLC time their LYB position?

Based on 13F filing dates vs. subsequent LYB price moves, Procyon Advisors, LLC correctly timed 10 out of 22 reported position changes (45%). The annualised alpha on LYB relative to SPY over the holding period was +37.4%.

← Back to Procyon Advisors, LLC Holdings