GALLAGHER ARTHUR J & CO

Ticker: AJG CUSIP: 363576109 Class: COM

GATEWAY INVESTMENT ADVISERS LLC's Holding History (CIK: 0001114618)

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

Q4 2025

Shares 184,154 Value ($000) $47,657 Avg Close $264.22 Range $236.34 - $312.72

Q3 2025

Shares 183,496 Value ($000) $56,836 Avg Close $300.20 Range $276.20 - $321.70

Q2 2025

Shares 183,472 Value ($000) $58,733 Avg Close $327.56 Range $299.17 - $348.85

Q1 2025

Shares 187,472 Value ($000) $64,723 Avg Close $313.31 Range $273.17 - $344.60

Q4 2024

Shares 186,997 Value ($000) $53,079 Avg Close $288.06 Range $274.49 - $313.35

Q3 2024

Shares 187,074 Value ($000) $52,637 Avg Close $278.61 Range $254.32 - $297.84

Q2 2024

Shares 187,068 Value ($000) $48,509 Avg Close $244.50 Range $226.63 - $263.02

Q1 2024

Shares 187,159 Value ($000) $46,797 Avg Close $236.41 Range $219.54 - $252.26

Q4 2023

Shares 187,220 Value ($000) $42,102 Avg Close $232.39 Range $214.82 - $249.02

Q3 2023

Shares 187,318 Value ($000) $42,695 Avg Close $219.09 Range $207.73 - $232.98

Q2 2023

Shares 187,615 Value ($000) $41,195 Avg Close $203.16 Range $185.32 - $215.79

Q1 2023

Shares 230,636 Value ($000) $44,123 Avg Close $184.71 Range $170.15 - $196.81

Q4 2022

Shares 233,699 Value ($000) $44,062 Avg Close $181.58 Range $163.94 - $195.97

Q3 2022

Shares 232,370 Value ($000) $39,786 Avg Close $171.86 Range $155.35 - $185.72

Q2 2022

Shares 244,341 Value ($000) $39,837 Avg Close $160.18 Range $143.39 - $180.33

Q1 2022

Shares 244,427 Value ($000) $42,677 Avg Close $153.40 Range $141.59 - $170.78

Q4 2021

Shares 243,008 Value ($000) $41,231 Avg Close $156.75 Range $142.44 - $164.55

Q3 2021

Shares 244,492 Value ($000) $36,344 Avg Close $136.81 Range $129.42 - $147.92

Q2 2021

Shares 244,540 Value ($000) $34,255 Avg Close $134.67 Range $118.24 - $146.63

Q1 2021

Shares 244,817 Value ($000) $30,546 Avg Close $114.59 Range $107.07 - $122.80

Q4 2020

Shares 244,768 Value ($000) $30,280 Avg Close $107.71 Range $96.30 - $122.43

Q3 2020

Shares 287,659 Value ($000) $30,371 Avg Close $97.68 Range $90.30 - $102.85

Q2 2020

Shares 308,643 Value ($000) $30,090 Avg Close $83.03 Range $68.97 - $96.18

Q1 2020

Shares 309,173 Value ($000) $25,201 Avg Close $89.38 Range $60.94 - $102.05

Q4 2019

Shares 306,975 Value ($000) $29,233 Avg Close $85.11 Range $79.19 - $89.69

Q3 2019

Shares 324,827 Value ($000) $29,095 Avg Close $83.14 Range $79.33 - $85.65

Q2 2019

Shares 329,866 Value ($000) $28,893 Avg Close $76.79 Range $71.30 - $81.81

Q1 2019

Shares 330,357 Value ($000) $25,801 Avg Close $70.56 Range $64.39 - $74.18

Q4 2018

Shares 360,114 Value ($000) $26,540 Avg Close $67.97 Range $62.33 - $71.85

Q3 2018

Shares 357,994 Value ($000) $26,649 Avg Close $64.92 Range $58.77 - $69.54

Q2 2018

Shares 358,387 Value ($000) $23,396 Avg Close $60.98 Range $58.35 - $63.75

Q1 2018

Shares 359,592 Value ($000) $24,715 Avg Close $60.39 Range $55.42 - $65.39

Q4 2017

Shares 354,601 Value ($000) $22,439 Avg Close $56.83 Range $54.05 - $60.12

Q3 2017

Shares 402,140 Value ($000) $24,752 Avg Close $52.01 Range $49.57 - $54.94

Q2 2017

Shares 350,115 Value ($000) $20,044 Avg Close $49.64 Range $47.74 - $52.14

Q1 2017

Shares 234,755 Value ($000) $13,273 Avg Close $48.08 Range $45.07 - $50.65

Q4 2016

Shares 165,837 Value ($000) $8,617 Avg Close $43.55 Range $40.73 - $45.38

Q3 2016

Shares 165,893 Value ($000) $8,439 Avg Close $42.42 Range $40.40 - $44.25

Q2 2016

Shares 165,975 Value ($000) $7,900 Avg Close $39.55 Range $36.70 - $41.44

Q1 2016

Shares 182,315 Value ($000) $8,109 Avg Close $33.74 Range $30.29 - $37.98

Q4 2015

Shares 231,445 Value ($000) $9,475 Avg Close $35.98 Range $33.21 - $37.20

Q3 2015

Shares 268,614 Value ($000) $11,088 Avg Close $37.63 Range $33.11 - $40.01

Q2 2015

Shares 270,435 Value ($000) $12,792 Avg Close $39.66 Range $38.04 - $40.98

Q1 2015

Shares 270,875 Value ($000) $12,663 Avg Close $38.18 Range $36.06 - $39.70

Q4 2014

Shares 270,875 Value ($000) $12,753 Avg Close $38.03 Range $35.07 - $40.13

Q3 2014

Shares 341,750 Value ($000) $15,502 Avg Close $37.00 Range $35.50 - $38.49

Q2 2014

Shares 341,000 Value ($000) $15,891 Avg Close $36.40 Range $34.22 - $38.53

Q1 2014

Shares 355,309 Value ($000) $16,906 Avg Close $36.99 Range $34.79 - $39.33

Q4 2013

Shares 355,434 Value ($000) $16,681 Avg Close $36.51 Range $34.17 - $38.03

Q3 2013

Shares 358,279 Value ($000) $15,639 Avg Close $34.24 Range $32.24 - $35.69

Q2 2013

Shares 358,986 Value ($000) $15,684 Avg Close $33.49 Range $31.26 - $35.40

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	184,154	$47,657	$264.22	$236.34 - $312.72
Q3 2025	183,496	$56,836	$300.20	$276.20 - $321.70
Q2 2025	183,472	$58,733	$327.56	$299.17 - $348.85
Q1 2025	187,472	$64,723	$313.31	$273.17 - $344.60
Q4 2024	186,997	$53,079	$288.06	$274.49 - $313.35
Q3 2024	187,074	$52,637	$278.61	$254.32 - $297.84
Q2 2024	187,068	$48,509	$244.50	$226.63 - $263.02
Q1 2024	187,159	$46,797	$236.41	$219.54 - $252.26
Q4 2023	187,220	$42,102	$232.39	$214.82 - $249.02
Q3 2023	187,318	$42,695	$219.09	$207.73 - $232.98
Q2 2023	187,615	$41,195	$203.16	$185.32 - $215.79
Q1 2023	230,636	$44,123	$184.71	$170.15 - $196.81
Q4 2022	233,699	$44,062	$181.58	$163.94 - $195.97
Q3 2022	232,370	$39,786	$171.86	$155.35 - $185.72
Q2 2022	244,341	$39,837	$160.18	$143.39 - $180.33
Q1 2022	244,427	$42,677	$153.40	$141.59 - $170.78
Q4 2021	243,008	$41,231	$156.75	$142.44 - $164.55
Q3 2021	244,492	$36,344	$136.81	$129.42 - $147.92
Q2 2021	244,540	$34,255	$134.67	$118.24 - $146.63
Q1 2021	244,817	$30,546	$114.59	$107.07 - $122.80
Q4 2020	244,768	$30,280	$107.71	$96.30 - $122.43
Q3 2020	287,659	$30,371	$97.68	$90.30 - $102.85
Q2 2020	308,643	$30,090	$83.03	$68.97 - $96.18
Q1 2020	309,173	$25,201	$89.38	$60.94 - $102.05
Q4 2019	306,975	$29,233	$85.11	$79.19 - $89.69
Q3 2019	324,827	$29,095	$83.14	$79.33 - $85.65
Q2 2019	329,866	$28,893	$76.79	$71.30 - $81.81
Q1 2019	330,357	$25,801	$70.56	$64.39 - $74.18
Q4 2018	360,114	$26,540	$67.97	$62.33 - $71.85
Q3 2018	357,994	$26,649	$64.92	$58.77 - $69.54
Q2 2018	358,387	$23,396	$60.98	$58.35 - $63.75
Q1 2018	359,592	$24,715	$60.39	$55.42 - $65.39
Q4 2017	354,601	$22,439	$56.83	$54.05 - $60.12
Q3 2017	402,140	$24,752	$52.01	$49.57 - $54.94
Q2 2017	350,115	$20,044	$49.64	$47.74 - $52.14
Q1 2017	234,755	$13,273	$48.08	$45.07 - $50.65
Q4 2016	165,837	$8,617	$43.55	$40.73 - $45.38
Q3 2016	165,893	$8,439	$42.42	$40.40 - $44.25
Q2 2016	165,975	$7,900	$39.55	$36.70 - $41.44
Q1 2016	182,315	$8,109	$33.74	$30.29 - $37.98
Q4 2015	231,445	$9,475	$35.98	$33.21 - $37.20
Q3 2015	268,614	$11,088	$37.63	$33.11 - $40.01
Q2 2015	270,435	$12,792	$39.66	$38.04 - $40.98
Q1 2015	270,875	$12,663	$38.18	$36.06 - $39.70
Q4 2014	270,875	$12,753	$38.03	$35.07 - $40.13
Q3 2014	341,750	$15,502	$37.00	$35.50 - $38.49
Q2 2014	341,000	$15,891	$36.40	$34.22 - $38.53
Q1 2014	355,309	$16,906	$36.99	$34.79 - $39.33
Q4 2013	355,434	$16,681	$36.51	$34.17 - $38.03
Q3 2013	358,279	$15,639	$34.24	$32.24 - $35.69
Q2 2013	358,986	$15,684	$33.49	$31.26 - $35.40