LyondellBasell Industries N.V.
US ˙ NYSE

SecurityLYB / LyondellBasell Industries N.V.
InstitutionEngineers Gate Manager LP
Latest Disclosed Ownership131,917 shares
Latest Disclosed Value $ 10,627,233
Engineers Gate Manager LP reports 309.90% increase in ownership of LYB / LyondellBasell Industries N.V.

On May 15, 2026 - Engineers Gate Manager LP filed a 13F-HR form disclosing ownership of 131,917 shares of LyondellBasell Industries N.V. (US:LYB) valued at $10,627,234 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 32,183 shares of LyondellBasell Industries N.V.. This represents a change in shares of 309.90% during the quarter. The current value of the position is $8,878,014 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-15 2026-03-31 13F LYONDELLBASELL INDUSTRIES SHS - A - N53745100 131,917 99,734 309.90 10,627 662.89 0.1328
2026-02-17 2025-12-31 13F LYONDELLBASELL INDUSTRIES N SHS - A - N53745100 32,183 32,183 1,394 0.0165
2025-11-14 2025-09-30 13F LYONDELLBASELL INDUSTRIES N SHS - A - N53745100 0 -113,884 -100.00 0 -100.00
2025-08-14 2025-06-30 13F LYONDELLBASELL INDUSTRIES N SHS - A - N53745100 113,884 -39,531 -25.77 6,589 -38.99 0.0820
2025-05-15 2025-03-31 13F LYONDELLBASELL INDUSTRIES N SHS - A - N53745100 153,415 -90,002 -36.97 10,800 -40.26 0.1821
2025-02-14 2024-12-31 13F LYONDELLBASELL INDUSTRIES N SHS - A - N53745100 243,417 159,531 190.18 18,079 124.74 0.3146
2024-11-14 2024-09-30 13F LYONDELLBASELL INDUSTRIES N SHS - A - N53745100 83,886 67,535 413.03 8,045 414.32 0.1570
2024-08-14 2024-06-30 13F LYONDELLBASELL INDUSTRIES N SHS - A - N53745100 16,351 -35,002 -68.16 1,564 -70.22 0.0353
2024-05-15 2024-03-31 13F LYONDELLBASELL INDUSTRIES N SHS - A - N53745100 51,353 -41,460 -44.67 5,252 -40.48 0.1383
2024-02-14 2023-12-31 13F LYONDELLBASELL INDUSTRIES N SHS - A - N53745100 92,813 81,596 727.43 8,825 730.89 0.2519
2023-11-14 2023-09-30 13F LYONDELLBASELL INDUSTRIES N SHS - A - N53745100 11,217 -27,668 -71.15 1,062 -70.25 0.0393
2023-08-14 2023-06-30 13F LYONDELLBASELL INDUSTRIES N SHS - A - N53745100 38,885 34,657 819.70 3,571 801.52 0.1350
2023-05-15 2023-03-31 13F LYONDELLBASELL INDUSTRIES N SHS - A - N53745100 4,228 4,228 397 0.0166
2023-02-14 2022-12-31 13F LYONDELLBASELL INDUSTRIES N SHS - A - N53745100 0 -7,218 -100.00 0 -100.00
2022-11-14 2022-09-30 13F LYONDELLBASELL INDUSTRIES N SHS - A - N53745100 7,218 -5,321 -42.44 543 -50.50 0.0338
2022-08-15 2022-06-30 13F LYONDELLBASELL INDUSTRIES N SHS - A - N53745100 12,539 6,279 100.30 1,097 70.34 0.0402
2022-05-16 2022-03-31 13F LYONDELLBASELL INDUSTRIES N SHS - A - N53745100 6,260 -57,981 -90.26 644 -89.13 0.0252
2022-02-14 2021-12-31 13F LYONDELLBASELL INDUSTRIES N SHS - A - N53745100 64,241 43,521 210.04 5,925 204.63 0.2665
2021-11-15 2021-09-30 13F LYONDELLBASELL INDUSTRIES N SHS - A - N53745100 20,720 15,022 263.64 1,945 231.91 0.1108
2021-08-16 2021-06-30 13F LYONDELLBASELL INDUSTRIES N SHS - A - N53745100 5,698 620 12.21 586 10.98 0.0377
2021-05-17 2021-03-31 13F LYONDELLBASELL INDUSTRIES N SHS - A - N53745100 5,078 5,078 528 0.0262
2021-02-16 2020-12-31 13F LYONDELLBASELL INDUSTRIES N SHS - A - N53745100 0 -33,637 -100.00 0 -100.00
2020-11-16 2020-09-30 13F LYONDELLBASELL INDUSTRIES N SHS - A - N53745100 33,637 33,637 2,371 0.1113
2020-08-17 2020-06-30 13F LYONDELLBASELL INDUSTRIES N SHS - A - N53745100 0 -19,135 -100.00 0 -100.00
2020-05-15 2020-03-31 13F LYONDELLBASELL INDUSTRIES N SHS - A - N53745100 19,135 19,135 950 0.0684
2019-08-14 2019-06-30 13F LYONDELLBASELL INDUSTRIES N SHS - A - N53745100 0 -29,735 -100.00 0 -100.00
2019-05-15 2019-03-31 13F LYONDELLBASELL INDUSTRIES N SHS - A - N53745100 29,735 29,735 2,500 0.1514
2018-08-03 2018-06-30 13F LYONDELLBASELL INDUSTRIES N SHS - A - N53745100 0 -3,895 -100.00 0 -100.00
2018-05-07 2018-03-31 13F LYONDELLBASELL INDUSTRIES N SHS - A - N53745100 3,895 -359 -8.44 412 -12.15 0.0275
2018-02-01 2017-12-31 13F LYONDELLBASELL INDUSTRIES N SHS - A - N53745100 4,254 4,254 469 0.0322
2017-11-13 2017-09-30 13F LYONDELLBASELL INDUSTRIES N SHS - A - N53745100 0 -28,865 -100.00 0 -100.00
2017-08-10 2017-06-30 13F LYONDELLBASELL INDUSTRIES N SHS - A - N53745100 28,865 28,865 2,436 0.2195
2016-11-09 2016-09-30 13F LYONDELLBASELL INDUSTRIES N SHS - A - N53745100 0 -40,400 -100.00 0 -100.00
2016-08-11 2016-06-30 13F LYONDELLBASELL INDUSTRIES N SHS - A - N53745100 40,400 40,400 0.00 3,007 0.2158
2016-05-09 2016-03-31 13F LYONDELLBASELL INDUSTRIES N SHS - A - N53745100 0 -21,372 -100.00 0 -100.00
2016-02-05 2015-12-31 13F LYONDELLBASELL INDUSTRIES N SHS - A - N53745100 21,372 1,149 5.68 1,857 10.14 0.1254
2015-11-16 2015-09-30 13F LYONDELLBASELL INDUSTRIES N SHS - A - N53745100 20,223 14,939 282.72 1,686 208.23 0.1436
2015-08-14 2015-06-30 13F LYONDELLBASELL INDUSTRIES N SHS - A - N53745100 5,284 5,284 0.00 547 0.0535
2015-05-15 2015-03-31 13F LYONDELLBASELL INDUSTRIES N SHS - A - N53745100 0 -4,383 -100.00 0 -100.00
2015-02-17 2014-12-31 13F LYONDELLBASELL INDUSTRIES N SHS - A - N53745100 4,383 4,383 348 0.0991
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.