LYONDELLBASELL INDUSTRIES N

Ticker: LYB CUSIP: N53745100 Class: SHS - A -

BROWN ADVISORY INC's Holding History (CIK: 0001345929)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 7,526 Value ($000) $326 Avg Close $44.45 Range $40.42 - $48.91

Q3 2025

Shares 5,853 Value ($000) $287 Avg Close $54.04 Range $45.14 - $64.08

Q1 2025

Shares 3,791 Value ($000) $267 Avg Close $68.81 Range $64.06 - $72.64

Q3 2024

Shares 2,640 Value ($000) $253 Avg Close $85.13 Range $80.76 - $89.00

Q2 2024

Shares 3,021 Value ($000) $289 Avg Close $86.82 Range $81.78 - $93.28

Q1 2024

Shares 3,097 Value ($000) $317 Avg Close $84.11 Range $78.76 - $90.03

Q4 2023

Shares 2,845 Value ($000) $271 Avg Close $79.84 Range $75.14 - $83.68

Q3 2023

Shares 2,962 Value ($000) $281 Avg Close $81.03 Range $73.71 - $86.68

Q2 2023

Shares 2,771 Value ($000) $254 Avg Close $75.96 Range $71.10 - $81.18

Q1 2023

Shares 2,469 Value ($000) $232 Avg Close $76.26 Range $67.16 - $82.72

Q4 2021

Shares 2,767 Value ($000) $255 Avg Close $68.36 Range $62.49 - $73.53

Q1 2019

Shares 76,698 Value ($000) $6,449 Avg Close $55.48 Range $52.21 - $58.46

Q4 2018

Shares 63,471 Value ($000) $5,277 Avg Close $57.98 Range $49.57 - $67.40

Q3 2018

Shares 55,524 Value ($000) $5,692 Avg Close $68.70 Range $62.65 - $73.08

Q2 2018

Shares 59,366 Value ($000) $6,521 Avg Close $68.36 Range $59.76 - $74.38

Q1 2018

Shares 45,728 Value ($000) $4,832 Avg Close $68.99 Range $63.29 - $75.06

Q4 2017

Shares 4,516 Value ($000) $498 Avg Close $63.47 Range $58.70 - $68.71

Q3 2017

Shares 3,843 Value ($000) $381 Avg Close $54.53 Range $49.87 - $61.44

Q2 2017

Shares 4,790 Value ($000) $404 Avg Close $49.80 Range $47.13 - $54.98

Q1 2017

Shares 4,758 Value ($000) $434 Avg Close $54.20 Range $50.83 - $57.80

Q4 2016

Shares 2,360 Value ($000) $203 Avg Close $49.39 Range $44.97 - $54.86

Q4 2015

Shares 3,959 Value ($000) $345 Avg Close $52.02 Range $47.22 - $55.33

Q3 2015

Shares 3,009 Value ($000) $251 Avg Close $49.81 Range $40.98 - $58.40

Q2 2015

Shares 5,400 Value ($000) $559 Avg Close $56.14 Range $48.56 - $59.88

Q1 2015

Shares 2,888 Value ($000) $254 Avg Close $46.71 Range $39.72 - $50.93

Q4 2014

Shares 3,122 Value ($000) $248 Avg Close $47.78 Range $38.79 - $59.21

Q3 2014

Shares 2,375 Value ($000) $258 Avg Close $59.21 Range $53.00 - $63.39

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	7,526	$326	$44.45	$40.42 - $48.91
Q3 2025	5,853	$287	$54.04	$45.14 - $64.08
Q1 2025	3,791	$267	$68.81	$64.06 - $72.64
Q3 2024	2,640	$253	$85.13	$80.76 - $89.00
Q2 2024	3,021	$289	$86.82	$81.78 - $93.28
Q1 2024	3,097	$317	$84.11	$78.76 - $90.03
Q4 2023	2,845	$271	$79.84	$75.14 - $83.68
Q3 2023	2,962	$281	$81.03	$73.71 - $86.68
Q2 2023	2,771	$254	$75.96	$71.10 - $81.18
Q1 2023	2,469	$232	$76.26	$67.16 - $82.72
Q4 2021	2,767	$255	$68.36	$62.49 - $73.53
Q1 2019	76,698	$6,449	$55.48	$52.21 - $58.46
Q4 2018	63,471	$5,277	$57.98	$49.57 - $67.40
Q3 2018	55,524	$5,692	$68.70	$62.65 - $73.08
Q2 2018	59,366	$6,521	$68.36	$59.76 - $74.38
Q1 2018	45,728	$4,832	$68.99	$63.29 - $75.06
Q4 2017	4,516	$498	$63.47	$58.70 - $68.71
Q3 2017	3,843	$381	$54.53	$49.87 - $61.44
Q2 2017	4,790	$404	$49.80	$47.13 - $54.98
Q1 2017	4,758	$434	$54.20	$50.83 - $57.80
Q4 2016	2,360	$203	$49.39	$44.97 - $54.86
Q4 2015	3,959	$345	$52.02	$47.22 - $55.33
Q3 2015	3,009	$251	$49.81	$40.98 - $58.40
Q2 2015	5,400	$559	$56.14	$48.56 - $59.88
Q1 2015	2,888	$254	$46.71	$39.72 - $50.93
Q4 2014	3,122	$248	$47.78	$38.79 - $59.21
Q3 2014	2,375	$258	$59.21	$53.00 - $63.39