UNION PAC CORP

Ticker: UNP CUSIP: 907818108 Class: Common Stock

BLAIR WILLIAM & CO/IL's Holding History (CIK: 0000902367)

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

Q4 2025

Shares 470,374 Value ($000) $108,807 Avg Close $227.32 Range $214.28 - $241.52

Q3 2025

Shares 484,001 Value ($000) $114,403 Avg Close $223.15 Range $209.61 - $237.85

Q2 2025

Shares 497,859 Value ($000) $114,547 Avg Close $218.47 Range $200.99 - $234.23

Q1 2025

Shares 517,397 Value ($000) $122,230 Avg Close $235.58 Range $217.31 - $250.85

Q4 2024

Shares 556,630 Value ($000) $126,934 Avg Close $230.22 Range $216.69 - $244.44

Q3 2024

Shares 598,136 Value ($000) $147,428 Avg Close $234.64 Range $213.12 - $250.61

Q2 2024

Shares 600,134 Value ($000) $135,786 Avg Close $225.50 Range $211.11 - $239.06

Q1 2024

Shares 527,098 Value ($000) $129,629 Avg Close $235.59 Range $224.05 - $247.16

Q4 2023

Shares 529,228 Value ($000) $129,989 Avg Close $209.24 Range $189.41 - $236.01

Q3 2023

Shares 525,232 Value ($000) $106,953 Avg Close $206.15 Range $189.41 - $227.18

Q2 2023

Shares 537,151 Value ($000) $109,912 Avg Close $187.00 Range $178.63 - $195.46

Q1 2023

Shares 520,541 Value ($000) $104,764 Avg Close $189.39 Range $172.36 - $202.21

Q4 2022

Shares 540,284 Value ($000) $111,877 Avg Close $190.19 Range $170.17 - $205.38

Q3 2022

Shares 544,797 Value ($000) $106,137 Avg Close $204.23 Range $180.38 - $223.25

Q2 2022

Shares 524,187 Value ($000) $111,799 Avg Close $208.79 Range $188.11 - $251.31

Q1 2022

Shares 548,820 Value ($000) $149,943 Avg Close $230.57 Range $215.79 - $255.44

Q4 2021

Shares 537,541 Value ($000) $135,423 Avg Close $214.98 Range $178.93 - $230.85

Q3 2021

Shares 530,724 Value ($000) $104,027 Avg Close $195.24 Range $177.47 - $206.45

Q2 2021

Shares 488,917 Value ($000) $107,528 Avg Close $200.38 Range $193.61 - $207.73

Q1 2021

Shares 482,035 Value ($000) $106,245 Avg Close $188.09 Range $172.69 - $201.16

Q4 2020

Shares 475,328 Value ($000) $98,973 Avg Close $178.06 Range $152.62 - $187.90

Q3 2020

Shares 477,993 Value ($000) $94,103 Avg Close $164.87 Range $145.81 - $183.13

Q2 2020

Shares 472,088 Value ($000) $79,816 Avg Close $141.44 Range $116.67 - $166.32

Q1 2020

Shares 460,094 Value ($000) $64,892 Avg Close $144.98 Range $92.53 - $165.42

Q4 2019

Shares 491,248 Value ($000) $88,813 Avg Close $149.35 Range $129.80 - $158.96

Q3 2019

Shares 490,588 Value ($000) $79,466 Avg Close $145.81 Range $135.51 - $156.22

Q2 2019

Shares 497,873 Value ($000) $84,195 Avg Close $147.77 Range $141.48 - $154.96

Q1 2019

Shares 495,870 Value ($000) $82,910 Avg Close $138.09 Range $113.18 - $147.67

Q4 2018

Shares 489,897 Value ($000) $67,719 Avg Close $126.42 Range $109.68 - $140.54

Q3 2018

Shares 498,785 Value ($000) $81,217 Avg Close $127.79 Range $115.79 - $141.09

Q2 2018

Shares 507,179 Value ($000) $71,857 Avg Close $117.74 Range $106.53 - $125.68

Q1 2018

Shares 569,075 Value ($000) $76,501 Avg Close $113.06 Range $101.65 - $119.96

Q4 2017

Shares 586,861 Value ($000) $78,698 Avg Close $100.79 Range $90.65 - $114.32

Q3 2017

Shares 595,230 Value ($000) $69,029 Avg Close $89.12 Range $83.79 - $97.51

Q2 2017

Shares 625,893 Value ($000) $68,166 Avg Close $90.11 Range $85.85 - $94.94

Q1 2017

Shares 624,049 Value ($000) $66,310 Avg Close $87.64 Range $82.97 - $91.31

Q4 2016

Shares 649,902 Value ($000) $67,382 Avg Close $80.32 Range $70.95 - $87.41

Q3 2016

Shares 655,717 Value ($000) $63,952 Avg Close $75.95 Range $69.69 - $79.87

Q2 2016

Shares 652,382 Value ($000) $56,920 Avg Close $68.24 Range $62.21 - $73.04

Q1 2016

Shares 707,841 Value ($000) $56,308 Avg Close $61.97 Range $53.60 - $68.66

Q4 2015

Shares 633,072 Value ($000) $49,506 Avg Close $68.29 Range $59.78 - $78.05

Q3 2015

Shares 640,048 Value ($000) $56,586 Avg Close $72.17 Range $62.57 - $78.67

Q2 2015

Shares 1,772,529 Value ($000) $169,046 Avg Close $81.98 Range $74.88 - $88.24

Q1 2015

Shares 537,137 Value ($000) $58,177 Avg Close $91.85 Range $83.77 - $97.28

Q4 2014

Shares 553,036 Value ($000) $65,883 Avg Close $89.46 Range $74.83 - $96.18

Q3 2014

Shares 1,214,256 Value ($000) $131,650 Avg Close $80.32 Range $74.93 - $85.79

Q2 2014

Shares 1,362,839 Value ($000) $135,942 Avg Close $74.77 Range $69.66 - $79.38

Q1 2014

Shares 723,531 Value ($000) $135,777 Avg Close $68.27 Range $63.27 - $73.42

Q4 2013

Shares 731,579 Value ($000) $122,905 Avg Close $60.55 Range $56.95 - $64.52

Q3 2013

Shares 740,771 Value ($000) $115,071 Avg Close $60.12 Range $58.03 - $62.72

Q2 2013

Shares 1,201,664 Value ($000) $185,393 Avg Close $57.06 Range $51.32 - $60.86

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	470,374	$108,807	$227.32	$214.28 - $241.52
Q3 2025	484,001	$114,403	$223.15	$209.61 - $237.85
Q2 2025	497,859	$114,547	$218.47	$200.99 - $234.23
Q1 2025	517,397	$122,230	$235.58	$217.31 - $250.85
Q4 2024	556,630	$126,934	$230.22	$216.69 - $244.44
Q3 2024	598,136	$147,428	$234.64	$213.12 - $250.61
Q2 2024	600,134	$135,786	$225.50	$211.11 - $239.06
Q1 2024	527,098	$129,629	$235.59	$224.05 - $247.16
Q4 2023	529,228	$129,989	$209.24	$189.41 - $236.01
Q3 2023	525,232	$106,953	$206.15	$189.41 - $227.18
Q2 2023	537,151	$109,912	$187.00	$178.63 - $195.46
Q1 2023	520,541	$104,764	$189.39	$172.36 - $202.21
Q4 2022	540,284	$111,877	$190.19	$170.17 - $205.38
Q3 2022	544,797	$106,137	$204.23	$180.38 - $223.25
Q2 2022	524,187	$111,799	$208.79	$188.11 - $251.31
Q1 2022	548,820	$149,943	$230.57	$215.79 - $255.44
Q4 2021	537,541	$135,423	$214.98	$178.93 - $230.85
Q3 2021	530,724	$104,027	$195.24	$177.47 - $206.45
Q2 2021	488,917	$107,528	$200.38	$193.61 - $207.73
Q1 2021	482,035	$106,245	$188.09	$172.69 - $201.16
Q4 2020	475,328	$98,973	$178.06	$152.62 - $187.90
Q3 2020	477,993	$94,103	$164.87	$145.81 - $183.13
Q2 2020	472,088	$79,816	$141.44	$116.67 - $166.32
Q1 2020	460,094	$64,892	$144.98	$92.53 - $165.42
Q4 2019	491,248	$88,813	$149.35	$129.80 - $158.96
Q3 2019	490,588	$79,466	$145.81	$135.51 - $156.22
Q2 2019	497,873	$84,195	$147.77	$141.48 - $154.96
Q1 2019	495,870	$82,910	$138.09	$113.18 - $147.67
Q4 2018	489,897	$67,719	$126.42	$109.68 - $140.54
Q3 2018	498,785	$81,217	$127.79	$115.79 - $141.09
Q2 2018	507,179	$71,857	$117.74	$106.53 - $125.68
Q1 2018	569,075	$76,501	$113.06	$101.65 - $119.96
Q4 2017	586,861	$78,698	$100.79	$90.65 - $114.32
Q3 2017	595,230	$69,029	$89.12	$83.79 - $97.51
Q2 2017	625,893	$68,166	$90.11	$85.85 - $94.94
Q1 2017	624,049	$66,310	$87.64	$82.97 - $91.31
Q4 2016	649,902	$67,382	$80.32	$70.95 - $87.41
Q3 2016	655,717	$63,952	$75.95	$69.69 - $79.87
Q2 2016	652,382	$56,920	$68.24	$62.21 - $73.04
Q1 2016	707,841	$56,308	$61.97	$53.60 - $68.66
Q4 2015	633,072	$49,506	$68.29	$59.78 - $78.05
Q3 2015	640,048	$56,586	$72.17	$62.57 - $78.67
Q2 2015	1,772,529	$169,046	$81.98	$74.88 - $88.24
Q1 2015	537,137	$58,177	$91.85	$83.77 - $97.28
Q4 2014	553,036	$65,883	$89.46	$74.83 - $96.18
Q3 2014	1,214,256	$131,650	$80.32	$74.93 - $85.79
Q2 2014	1,362,839	$135,942	$74.77	$69.66 - $79.38
Q1 2014	723,531	$135,777	$68.27	$63.27 - $73.42
Q4 2013	731,579	$122,905	$60.55	$56.95 - $64.52
Q3 2013	740,771	$115,071	$60.12	$58.03 - $62.72
Q2 2013	1,201,664	$185,393	$57.06	$51.32 - $60.86