KEMPNER CAPITAL MANAGEMENT INC. LYB — LYONDELLBASELL INDUSTRIES N

Ownership history in KEMPNER CAPITAL MANAGEMENT INC.  ·  14 quarters on record

AI Ownership Summary

KEMPNER CAPITAL MANAGEMENT INC. reported LYONDELLBASELL INDUSTRIES N (LYB) in 14 quarterly 13F filings from 2023 Q4 through 2025 Q3. Peak portfolio weight reached 1.93% in 2024 Q4. The latest visible filing shows LYB at 1.05% 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 KEMPNER CAPITAL MANAGEMENT INC.'s position in LYONDELLBASELL INDUSTRIES N, 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

LYB was reported at 1.05% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
1.93% in 2024 Q4

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.

LYB stock page KEMPNER CAPITAL MANAGEMENT INC. fund profile KEMPNER CAPITAL MANAGEMENT INC. full holdings
How KEMPNER CAPITAL MANAGEMENT INC. 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 6 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q3 REDUCED 45.6% -8.9% ✅ 25,722 -21,550 -45.6% 1.05% $1.3M 2025-10-16 $43.59
2025 Q2 UNCHANGED — — — 47,272 — 0% 1.46% $2.7M 2025-07-15 $57.96
2025 Q1 UNCHANGED — — — 47,272 — 0% 1.87% $3.3M 2025-04-21 $50.99
2024 Q4 ADDED — — — 47,272 +34,205 +261.8% 1.93% $3.5M 2025-01-23 $68.86
2024 Q1 REDUCED 50.5% -6.2% ✅ 13,067 -13,309 -50.5% 0.72% $1.3M 2024-04-11 $87.70
2023 Q4 REDUCED — — — 26,376 -9 -0.0% 1.40% $2.5M 2024-01-24 $78.62
8 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding LYB

As of 2026 Q1 — sorted by position size

Mercuria Capital Strategies, LLC 12.54% swisspartners Advisors Ltd 3Y 9.81% Summit Street Capital Management, LLC 3Y 7Y 4.78% Old North State Wealth Management, LLC 4.45% Kiltearn Partners LLP 3Y 7Y 4.22% MUHLENKAMP & CO INC 3Y 7Y 3.97% Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A. 3.31% CINCINNATI INDEMNITY CO 3Y 7Y 3.23% Encompass Capital Advisors LLC 3Y 7Y 3.07% CSU Producer Resources, Inc. 3Y 7Y 2.85%

FAQ About KEMPNER CAPITAL MANAGEMENT INC. and LYB

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

How long has KEMPNER CAPITAL MANAGEMENT INC. reported owning LYB?

KEMPNER CAPITAL MANAGEMENT INC. reported LYB across 6 quarterly 13F filings, from 2023 Q4 through 2025 Q3.

What was the largest reported LYB position in KEMPNER CAPITAL MANAGEMENT INC.'s portfolio?

The largest reported portfolio weight for LYB was 1.93% in 2024 Q4.

What is the latest reported LYB position on this page?

The most recent filing on this page is 2025 Q3, when KEMPNER CAPITAL MANAGEMENT INC. reported 25,722 shares, equal to 1.05% of portfolio, with an estimated market value of $1.3M.

What does the chart on this LYB ownership page compare?

The chart compares KEMPNER CAPITAL MANAGEMENT INC.'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 KEMPNER CAPITAL MANAGEMENT INC. time their LYB position?

Based on 13F filing dates vs. subsequent LYB price moves, KEMPNER CAPITAL MANAGEMENT INC. correctly timed 2 out of 6 reported position changes (33%). The annualised alpha on LYB relative to SPY over the holding period was -16.3%.

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