GARTNER INC

Ticker: IT CUSIP: 366651107 Class: COM

SG Americas Securities, LLC's Holding History (CIK: 0001313360)

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

Q4 2025

Shares 61,190 Value ($000) $15 Avg Close $240.69 Range $222.54 - $264.90

Q3 2025

Shares 21,186 Value ($000) $6 Avg Close $291.66 Range $223.65 - $409.76

Q2 2025

Shares 31,123 Value ($000) $13 Avg Close $418.44 Range $366.05 - $451.73

Q1 2025

Shares 42,389 Value ($000) $18 Avg Close $492.81 Range $409.50 - $584.01

Q4 2024

Shares 40,905 Value ($000) $20 Avg Close $515.55 Range $474.87 - $559.00

Q3 2024

Shares 4,149 Value ($000) $2 Avg Close $480.74 Range $438.52 - $521.64

Q2 2024

Shares 20,319 Value ($000) $9 Avg Close $444.91 Range $411.15 - $478.82

Q1 2024

Shares 15,219 Value ($000) $7 Avg Close $460.24 Range $424.53 - $486.54

Q4 2023

Shares 6,098 Value ($000) $3 Avg Close $399.48 Range $323.61 - $469.58

Q3 2023

Shares 4,098 Value ($000) $1 Avg Close $348.82 Range $324.30 - $377.88

Q2 2023

Shares 17,667 Value ($000) $6 Avg Close $325.62 Range $292.60 - $363.12

Q4 2022

Shares 602 Value ($000) $0 Avg Close $322.72 Range $277.08 - $358.25

Q3 2022

Shares 6,371 Value ($000) $1,763 Avg Close $280.37 Range $231.05 - $317.63

Q2 2022

Shares 7,717 Value ($000) $1,866 Avg Close $266.05 Range $221.39 - $316.11

Q1 2022

Shares 2,063 Value ($000) $614 Avg Close $289.54 Range $257.50 - $334.53

Q4 2021

Shares 5,138 Value ($000) $1,718 Avg Close $321.54 Range $299.88 - $369.00

Q3 2021

Shares 8,559 Value ($000) $2,601 Avg Close $289.93 Range $242.87 - $327.20

Q2 2021

Shares 5,705 Value ($000) $1,382 Avg Close $218.76 Range $183.48 - $243.94

Q1 2021

Shares 5,329 Value ($000) $973 Avg Close $173.86 Range $149.74 - $191.66

Q4 2020

Shares 21,410 Value ($000) $3,430 Avg Close $144.06 Range $115.86 - $162.94

Q3 2020

Shares 1,599 Value ($000) $200 Avg Close $127.15 Range $116.51 - $136.09

Q2 2020

Shares 11,472 Value ($000) $1,392 Avg Close $115.55 Range $88.81 - $138.72

Q1 2020

Shares 17,638 Value ($000) $1,756 Avg Close $137.00 Range $76.91 - $165.27

Q4 2019

Shares 850 Value ($000) $131 Avg Close $152.69 Range $136.70 - $162.73

Q3 2019

Shares 14,827 Value ($000) $2,120 Avg Close $145.37 Range $124.77 - $171.78

Q2 2019

Shares 14,809 Value ($000) $2,383 Avg Close $156.37 Range $148.17 - $162.79

Q1 2019

Shares 223,982 Value ($000) $33,974 Avg Close $138.79 Range $122.50 - $151.83

Q4 2018

Shares 14,538 Value ($000) $1,859 Avg Close $144.26 Range $120.89 - $160.29

Q3 2018

Shares 29,859 Value ($000) $4,733 Avg Close $144.99 Range $128.00 - $161.21

Q2 2018

Shares 71,986 Value ($000) $9,567 Avg Close $128.01 Range $114.40 - $138.88

Q1 2018

Shares 8,309 Value ($000) $977 Avg Close $124.90 Range $111.57 - $142.16

Q4 2017

Shares 13,772 Value ($000) $1,696 Avg Close $121.44 Range $115.01 - $126.22

Q3 2017

Shares 2,197 Value ($000) $273 Avg Close $123.59 Range $115.86 - $130.02

Q2 2017

Shares 4,052 Value ($000) $500 Avg Close $116.06 Range $107.70 - $124.92

Q1 2017

Shares 9,230 Value ($000) $997 Avg Close $103.07 Range $90.37 - $112.42

Q4 2016

Shares 18,091 Value ($000) $1,828 Avg Close $96.64 Range $84.54 - $105.45

Q3 2016

Shares 5,654 Value ($000) $500 Avg Close $93.80 Range $87.86 - $100.74

Q2 2016

Shares 26,328 Value ($000) $2,565 Avg Close $95.03 Range $86.17 - $103.00

Q1 2016

Shares 31,524 Value ($000) $2,817 Avg Close $84.54 Range $77.80 - $89.73

Q4 2015

Shares 20,602 Value ($000) $1,869 Avg Close $88.55 Range $81.52 - $94.82

Q3 2015

Shares 23,057 Value ($000) $1,935 Avg Close $87.10 Range $79.93 - $92.46

Q2 2015

Shares 35,524 Value ($000) $3,047 Avg Close $85.73 Range $82.35 - $89.10

Q1 2015

Shares 16,339 Value ($000) $1,370 Avg Close $82.51 Range $74.39 - $86.28

Q4 2014

Shares 22,372 Value ($000) $1,884 Avg Close $81.25 Range $71.22 - $87.58

Q3 2014

Shares 9,022 Value ($000) $663 Avg Close $72.66 Range $67.83 - $76.82

Q2 2014

Shares 36,472 Value ($000) $2,572 Avg Close $69.70 Range $65.55 - $75.61

Q1 2014

Shares 13,144 Value ($000) $913 Avg Close $69.18 Range $61.28 - $73.53

Q4 2013

Shares 35,192 Value ($000) $2,500 Avg Close $63.15 Range $57.19 - $71.49

Q3 2013

Shares 37,136 Value ($000) $2,228 Avg Close $58.89 Range $55.75 - $63.00

Q2 2013

Shares 9,061 Value ($000) $516 Avg Close $56.76 Range $53.01 - $59.09

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	61,190	$15	$240.69	$222.54 - $264.90
Q3 2025	21,186	$6	$291.66	$223.65 - $409.76
Q2 2025	31,123	$13	$418.44	$366.05 - $451.73
Q1 2025	42,389	$18	$492.81	$409.50 - $584.01
Q4 2024	40,905	$20	$515.55	$474.87 - $559.00
Q3 2024	4,149	$2	$480.74	$438.52 - $521.64
Q2 2024	20,319	$9	$444.91	$411.15 - $478.82
Q1 2024	15,219	$7	$460.24	$424.53 - $486.54
Q4 2023	6,098	$3	$399.48	$323.61 - $469.58
Q3 2023	4,098	$1	$348.82	$324.30 - $377.88
Q2 2023	17,667	$6	$325.62	$292.60 - $363.12
Q4 2022	602	$0	$322.72	$277.08 - $358.25
Q3 2022	6,371	$1,763	$280.37	$231.05 - $317.63
Q2 2022	7,717	$1,866	$266.05	$221.39 - $316.11
Q1 2022	2,063	$614	$289.54	$257.50 - $334.53
Q4 2021	5,138	$1,718	$321.54	$299.88 - $369.00
Q3 2021	8,559	$2,601	$289.93	$242.87 - $327.20
Q2 2021	5,705	$1,382	$218.76	$183.48 - $243.94
Q1 2021	5,329	$973	$173.86	$149.74 - $191.66
Q4 2020	21,410	$3,430	$144.06	$115.86 - $162.94
Q3 2020	1,599	$200	$127.15	$116.51 - $136.09
Q2 2020	11,472	$1,392	$115.55	$88.81 - $138.72
Q1 2020	17,638	$1,756	$137.00	$76.91 - $165.27
Q4 2019	850	$131	$152.69	$136.70 - $162.73
Q3 2019	14,827	$2,120	$145.37	$124.77 - $171.78
Q2 2019	14,809	$2,383	$156.37	$148.17 - $162.79
Q1 2019	223,982	$33,974	$138.79	$122.50 - $151.83
Q4 2018	14,538	$1,859	$144.26	$120.89 - $160.29
Q3 2018	29,859	$4,733	$144.99	$128.00 - $161.21
Q2 2018	71,986	$9,567	$128.01	$114.40 - $138.88
Q1 2018	8,309	$977	$124.90	$111.57 - $142.16
Q4 2017	13,772	$1,696	$121.44	$115.01 - $126.22
Q3 2017	2,197	$273	$123.59	$115.86 - $130.02
Q2 2017	4,052	$500	$116.06	$107.70 - $124.92
Q1 2017	9,230	$997	$103.07	$90.37 - $112.42
Q4 2016	18,091	$1,828	$96.64	$84.54 - $105.45
Q3 2016	5,654	$500	$93.80	$87.86 - $100.74
Q2 2016	26,328	$2,565	$95.03	$86.17 - $103.00
Q1 2016	31,524	$2,817	$84.54	$77.80 - $89.73
Q4 2015	20,602	$1,869	$88.55	$81.52 - $94.82
Q3 2015	23,057	$1,935	$87.10	$79.93 - $92.46
Q2 2015	35,524	$3,047	$85.73	$82.35 - $89.10
Q1 2015	16,339	$1,370	$82.51	$74.39 - $86.28
Q4 2014	22,372	$1,884	$81.25	$71.22 - $87.58
Q3 2014	9,022	$663	$72.66	$67.83 - $76.82
Q2 2014	36,472	$2,572	$69.70	$65.55 - $75.61
Q1 2014	13,144	$913	$69.18	$61.28 - $73.53
Q4 2013	35,192	$2,500	$63.15	$57.19 - $71.49
Q3 2013	37,136	$2,228	$58.89	$55.75 - $63.00
Q2 2013	9,061	$516	$56.76	$53.01 - $59.09