PHILLIPS 66

Ticker: PSX CUSIP: 718546104 Class: COM

WELCH & FORBES LLC's Holding History (CIK: 0000105495)

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

Q4 2025

Shares 6,946 Value ($000) $896 Avg Close $134.01 Range $125.67 - $144.96

Q3 2025

Shares 7,123 Value ($000) $969 Avg Close $126.39 Range $115.93 - $141.15

Q2 2025

Shares 7,047 Value ($000) $841 Avg Close $109.47 Range $88.51 - $124.10

Q1 2025

Shares 6,797 Value ($000) $839 Avg Close $119.26 Range $108.41 - $127.86

Q4 2024

Shares 6,786 Value ($000) $773 Avg Close $122.03 Range $104.97 - $134.32

Q3 2024

Shares 6,711 Value ($000) $882 Avg Close $128.40 Range $118.24 - $142.23

Q2 2024

Shares 6,550 Value ($000) $874 Avg Close $139.62 Range $127.02 - $163.64

Q1 2024

Shares 6,700 Value ($000) $1,094 Avg Close $134.98 Range $118.18 - $153.96

Q4 2023

Shares 6,625 Value ($000) $882 Avg Close $111.04 Range $99.74 - $127.57

Q3 2023

Shares 13,074 Value ($000) $1,571 Avg Close $103.33 Range $86.60 - $115.77

Q2 2023

Shares 13,049 Value ($000) $1,245 Avg Close $88.54 Range $82.22 - $97.39

Q1 2023

Shares 13,121 Value ($000) $1,330 Avg Close $91.66 Range $82.16 - $100.34

Q4 2022

Shares 13,149 Value ($000) $1,369 Avg Close $91.37 Range $73.21 - $101.24

Q3 2022

Shares 12,831 Value ($000) $1,036 Avg Close $75.39 Range $65.83 - $84.26

Q2 2022

Shares 12,831 Value ($000) $1,052 Avg Close $80.94 Range $67.99 - $97.89

Q1 2022

Shares 12,746 Value ($000) $1,101 Avg Close $72.84 Range $62.79 - $80.59

Q4 2021

Shares 12,746 Value ($000) $923 Avg Close $64.72 Range $57.79 - $71.96

Q3 2021

Shares 7,249 Value ($000) $508 Avg Close $61.23 Range $53.80 - $74.54

Q2 2021

Shares 7,046 Value ($000) $604 Avg Close $70.57 Range $61.84 - $79.32

Q1 2021

Shares 6,693 Value ($000) $545 Avg Close $64.91 Range $53.78 - $75.36

Q4 2020

Shares 7,415 Value ($000) $518 Avg Close $47.97 Range $35.05 - $58.98

Q3 2020

Shares 7,415 Value ($000) $385 Avg Close $49.06 Range $41.35 - $58.57

Q2 2020

Shares 7,430 Value ($000) $534 Avg Close $56.22 Range $38.67 - $71.70

Q1 2020

Shares 10,105 Value ($000) $542 Avg Close $63.79 Range $31.57 - $88.35

Q4 2019

Shares 10,144 Value ($000) $1,130 Avg Close $87.36 Range $75.11 - $93.06

Q3 2019

Shares 10,144 Value ($000) $1,039 Avg Close $77.27 Range $71.44 - $81.75

Q2 2019

Shares 10,399 Value ($000) $973 Avg Close $68.50 Range $61.60 - $75.78

Q1 2019

Shares 10,564 Value ($000) $1,005 Avg Close $71.93 Range $64.05 - $76.30

Q4 2018

Shares 11,268 Value ($000) $970 Avg Close $73.27 Range $59.11 - $89.03

Q3 2018

Shares 11,038 Value ($000) $1,244 Avg Close $86.06 Range $80.94 - $91.99

Q2 2018

Shares 13,324 Value ($000) $1,497 Avg Close $83.14 Range $68.32 - $90.32

Q1 2018

Shares 12,816 Value ($000) $1,230 Avg Close $71.47 Range $65.22 - $78.63

Q4 2017

Shares 13,308 Value ($000) $1,346 Avg Close $69.29 Range $64.81 - $74.94

Q3 2017

Shares 13,099 Value ($000) $1,200 Avg Close $61.25 Range $58.40 - $66.94

Q2 2017

Shares 12,784 Value ($000) $1,057 Avg Close $56.29 Range $53.63 - $59.84

Q1 2017

Shares 12,781 Value ($000) $1,013 Avg Close $57.27 Range $54.44 - $62.50

Q4 2016

Shares 14,215 Value ($000) $1,228 Avg Close $58.66 Range $54.58 - $62.93

Q3 2016

Shares 12,645 Value ($000) $1,019 Avg Close $54.42 Range $51.36 - $57.14

Q2 2016

Shares 12,480 Value ($000) $990 Avg Close $56.71 Range $53.16 - $61.76

Q1 2016

Shares 13,352 Value ($000) $1,156 Avg Close $56.03 Range $49.61 - $62.84

Q4 2015

Shares 14,440 Value ($000) $1,181 Avg Close $59.08 Range $52.15 - $64.56

Q3 2015

Shares 14,180 Value ($000) $1,090 Avg Close $54.04 Range $47.61 - $57.58

Q2 2015

Shares 14,866 Value ($000) $1,198 Avg Close $53.68 Range $51.44 - $55.35

Q1 2015

Shares 14,866 Value ($000) $1,168 Avg Close $49.25 Range $38.32 - $54.24

Q4 2014

Shares 15,379 Value ($000) $1,102 Avg Close $49.15 Range $42.79 - $54.44

Q3 2014

Shares 16,118 Value ($000) $1,311 Avg Close $55.11 Range $51.82 - $58.41

Q2 2014

Shares 16,118 Value ($000) $1,297 Avg Close $54.20 Range $49.97 - $57.44

Q1 2014

Shares 16,038 Value ($000) $1,235 Avg Close $49.82 Range $44.88 - $52.73

Q4 2013

Shares 16,881 Value ($000) $1,302 Avg Close $43.41 Range $36.64 - $50.43

Q3 2013

Shares 16,290 Value ($000) $942 Avg Close $37.50 Range $35.35 - $39.98

Q2 2013

Shares 16,114 Value ($000) $950 Avg Close $40.44 Range $36.04 - $45.07

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	6,946	$896	$134.01	$125.67 - $144.96
Q3 2025	7,123	$969	$126.39	$115.93 - $141.15
Q2 2025	7,047	$841	$109.47	$88.51 - $124.10
Q1 2025	6,797	$839	$119.26	$108.41 - $127.86
Q4 2024	6,786	$773	$122.03	$104.97 - $134.32
Q3 2024	6,711	$882	$128.40	$118.24 - $142.23
Q2 2024	6,550	$874	$139.62	$127.02 - $163.64
Q1 2024	6,700	$1,094	$134.98	$118.18 - $153.96
Q4 2023	6,625	$882	$111.04	$99.74 - $127.57
Q3 2023	13,074	$1,571	$103.33	$86.60 - $115.77
Q2 2023	13,049	$1,245	$88.54	$82.22 - $97.39
Q1 2023	13,121	$1,330	$91.66	$82.16 - $100.34
Q4 2022	13,149	$1,369	$91.37	$73.21 - $101.24
Q3 2022	12,831	$1,036	$75.39	$65.83 - $84.26
Q2 2022	12,831	$1,052	$80.94	$67.99 - $97.89
Q1 2022	12,746	$1,101	$72.84	$62.79 - $80.59
Q4 2021	12,746	$923	$64.72	$57.79 - $71.96
Q3 2021	7,249	$508	$61.23	$53.80 - $74.54
Q2 2021	7,046	$604	$70.57	$61.84 - $79.32
Q1 2021	6,693	$545	$64.91	$53.78 - $75.36
Q4 2020	7,415	$518	$47.97	$35.05 - $58.98
Q3 2020	7,415	$385	$49.06	$41.35 - $58.57
Q2 2020	7,430	$534	$56.22	$38.67 - $71.70
Q1 2020	10,105	$542	$63.79	$31.57 - $88.35
Q4 2019	10,144	$1,130	$87.36	$75.11 - $93.06
Q3 2019	10,144	$1,039	$77.27	$71.44 - $81.75
Q2 2019	10,399	$973	$68.50	$61.60 - $75.78
Q1 2019	10,564	$1,005	$71.93	$64.05 - $76.30
Q4 2018	11,268	$970	$73.27	$59.11 - $89.03
Q3 2018	11,038	$1,244	$86.06	$80.94 - $91.99
Q2 2018	13,324	$1,497	$83.14	$68.32 - $90.32
Q1 2018	12,816	$1,230	$71.47	$65.22 - $78.63
Q4 2017	13,308	$1,346	$69.29	$64.81 - $74.94
Q3 2017	13,099	$1,200	$61.25	$58.40 - $66.94
Q2 2017	12,784	$1,057	$56.29	$53.63 - $59.84
Q1 2017	12,781	$1,013	$57.27	$54.44 - $62.50
Q4 2016	14,215	$1,228	$58.66	$54.58 - $62.93
Q3 2016	12,645	$1,019	$54.42	$51.36 - $57.14
Q2 2016	12,480	$990	$56.71	$53.16 - $61.76
Q1 2016	13,352	$1,156	$56.03	$49.61 - $62.84
Q4 2015	14,440	$1,181	$59.08	$52.15 - $64.56
Q3 2015	14,180	$1,090	$54.04	$47.61 - $57.58
Q2 2015	14,866	$1,198	$53.68	$51.44 - $55.35
Q1 2015	14,866	$1,168	$49.25	$38.32 - $54.24
Q4 2014	15,379	$1,102	$49.15	$42.79 - $54.44
Q3 2014	16,118	$1,311	$55.11	$51.82 - $58.41
Q2 2014	16,118	$1,297	$54.20	$49.97 - $57.44
Q1 2014	16,038	$1,235	$49.82	$44.88 - $52.73
Q4 2013	16,881	$1,302	$43.41	$36.64 - $50.43
Q3 2013	16,290	$942	$37.50	$35.35 - $39.98
Q2 2013	16,114	$950	$40.44	$36.04 - $45.07