GARTNER INC

Ticker: IT CUSIP: 366651107 Class: COM

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

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

Q4 2025

Shares 122,552 Value ($000) $30,917 Avg Close $240.69 Range $222.54 - $264.90

Q3 2025

Shares 118,194 Value ($000) $31,070 Avg Close $291.66 Range $223.65 - $409.76

Q2 2025

Shares 39,584 Value ($000) $16,000 Avg Close $418.44 Range $366.05 - $451.73

Q1 2025

Shares 40,906 Value ($000) $17,170 Avg Close $492.81 Range $409.50 - $584.01

Q4 2024

Shares 42,186 Value ($000) $20,438 Avg Close $515.55 Range $474.87 - $559.00

Q3 2024

Shares 40,460 Value ($000) $20,503 Avg Close $480.74 Range $438.52 - $521.64

Q2 2024

Shares 40,798 Value ($000) $18,321 Avg Close $444.91 Range $411.15 - $478.82

Q1 2024

Shares 88,549 Value ($000) $42,208 Avg Close $460.24 Range $424.53 - $486.54

Q4 2023

Shares 92,725 Value ($000) $41,829 Avg Close $399.48 Range $323.61 - $469.58

Q3 2023

Shares 92,586 Value ($000) $31,813 Avg Close $348.82 Range $324.30 - $377.88

Q2 2023

Shares 90,588 Value ($000) $31,734 Avg Close $325.62 Range $292.60 - $363.12

Q1 2023

Shares 91,692 Value ($000) $29,871 Avg Close $330.57 Range $299.07 - $356.67

Q4 2022

Shares 94,791 Value ($000) $31,863 Avg Close $322.72 Range $277.08 - $358.25

Q3 2022

Shares 53,331 Value ($000) $14,756 Avg Close $280.37 Range $231.05 - $317.63

Q2 2022

Shares 48,809 Value ($000) $11,803 Avg Close $266.05 Range $221.39 - $316.11

Q1 2022

Shares 41,689 Value ($000) $12,401 Avg Close $289.54 Range $257.50 - $334.53

Q4 2021

Shares 42,330 Value ($000) $14,152 Avg Close $321.54 Range $299.88 - $369.00

Q3 2021

Shares 42,686 Value ($000) $12,971 Avg Close $289.93 Range $242.87 - $327.20

Q2 2021

Shares 41,925 Value ($000) $10,154 Avg Close $218.76 Range $183.48 - $243.94

Q1 2021

Shares 44,924 Value ($000) $8,201 Avg Close $173.86 Range $149.74 - $191.66

Q4 2020

Shares 42,678 Value ($000) $6,837 Avg Close $144.06 Range $115.86 - $162.94

Q3 2020

Shares 42,458 Value ($000) $5,305 Avg Close $127.15 Range $116.51 - $136.09

Q2 2020

Shares 41,893 Value ($000) $5,083 Avg Close $115.55 Range $88.81 - $138.72

Q1 2020

Shares 44,253 Value ($000) $4,406 Avg Close $137.00 Range $76.91 - $165.27

Q4 2019

Shares 65,048 Value ($000) $10,024 Avg Close $152.69 Range $136.70 - $162.73

Q3 2019

Shares 65,518 Value ($000) $9,368 Avg Close $145.37 Range $124.77 - $171.78

Q2 2019

Shares 65,456 Value ($000) $10,534 Avg Close $156.37 Range $148.17 - $162.79

Q1 2019

Shares 67,974 Value ($000) $10,310 Avg Close $138.79 Range $122.50 - $151.83

Q4 2018

Shares 71,023 Value ($000) $9,080 Avg Close $144.26 Range $120.89 - $160.29

Q3 2018

Shares 72,044 Value ($000) $11,419 Avg Close $144.99 Range $128.00 - $161.21

Q2 2018

Shares 72,359 Value ($000) $9,617 Avg Close $128.01 Range $114.40 - $138.88

Q1 2018

Shares 73,426 Value ($000) $8,636 Avg Close $124.90 Range $111.57 - $142.16

Q4 2017

Shares 74,822 Value ($000) $9,214 Avg Close $121.44 Range $115.01 - $126.22

Q3 2017

Shares 73,940 Value ($000) $9,199 Avg Close $123.59 Range $115.86 - $130.02

Q2 2017

Shares 74,759 Value ($000) $9,233 Avg Close $116.06 Range $107.70 - $124.92

Q1 2017

Shares 66,543 Value ($000) $7,176 Avg Close $103.07 Range $90.37 - $112.42

Q4 2016

Shares 70,685 Value ($000) $7,144 Avg Close $96.64 Range $84.54 - $105.45

Q3 2016

Shares 76,231 Value ($000) $6,743 Avg Close $93.80 Range $87.86 - $100.74

Q2 2016

Shares 80,181 Value ($000) $7,810 Avg Close $95.03 Range $86.17 - $103.00

Q1 2016

Shares 82,413 Value ($000) $7,363 Avg Close $84.54 Range $77.80 - $89.73

Q4 2015

Shares 85,276 Value ($000) $7,734 Avg Close $88.55 Range $81.52 - $94.82

Q3 2015

Shares 178,009 Value ($000) $14,940 Avg Close $87.10 Range $79.93 - $92.46

Q2 2015

Shares 948,935 Value ($000) $81,399 Avg Close $85.73 Range $82.35 - $89.10

Q1 2015

Shares 1,440,906 Value ($000) $120,820 Avg Close $82.51 Range $74.39 - $86.28

Q4 2014

Shares 2,781,500 Value ($000) $234,230 Avg Close $81.25 Range $71.22 - $87.58

Q3 2014

Shares 2,891,643 Value ($000) $212,448 Avg Close $72.66 Range $67.83 - $76.82

Q2 2014

Shares 2,892,875 Value ($000) $204,005 Avg Close $69.70 Range $65.55 - $75.61

Q1 2014

Shares 4,295,912 Value ($000) $298,308 Avg Close $69.18 Range $61.28 - $73.53

Q4 2013

Shares 3,277,758 Value ($000) $232,884 Avg Close $63.15 Range $57.19 - $71.49

Q3 2013

Shares 2,667,029 Value ($000) $160,022 Avg Close $58.89 Range $55.75 - $63.00

Q2 2013

Shares 1,483,949 Value ($000) $84,570 Avg Close $56.76 Range $53.01 - $59.09

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	122,552	$30,917	$240.69	$222.54 - $264.90
Q3 2025	118,194	$31,070	$291.66	$223.65 - $409.76
Q2 2025	39,584	$16,000	$418.44	$366.05 - $451.73
Q1 2025	40,906	$17,170	$492.81	$409.50 - $584.01
Q4 2024	42,186	$20,438	$515.55	$474.87 - $559.00
Q3 2024	40,460	$20,503	$480.74	$438.52 - $521.64
Q2 2024	40,798	$18,321	$444.91	$411.15 - $478.82
Q1 2024	88,549	$42,208	$460.24	$424.53 - $486.54
Q4 2023	92,725	$41,829	$399.48	$323.61 - $469.58
Q3 2023	92,586	$31,813	$348.82	$324.30 - $377.88
Q2 2023	90,588	$31,734	$325.62	$292.60 - $363.12
Q1 2023	91,692	$29,871	$330.57	$299.07 - $356.67
Q4 2022	94,791	$31,863	$322.72	$277.08 - $358.25
Q3 2022	53,331	$14,756	$280.37	$231.05 - $317.63
Q2 2022	48,809	$11,803	$266.05	$221.39 - $316.11
Q1 2022	41,689	$12,401	$289.54	$257.50 - $334.53
Q4 2021	42,330	$14,152	$321.54	$299.88 - $369.00
Q3 2021	42,686	$12,971	$289.93	$242.87 - $327.20
Q2 2021	41,925	$10,154	$218.76	$183.48 - $243.94
Q1 2021	44,924	$8,201	$173.86	$149.74 - $191.66
Q4 2020	42,678	$6,837	$144.06	$115.86 - $162.94
Q3 2020	42,458	$5,305	$127.15	$116.51 - $136.09
Q2 2020	41,893	$5,083	$115.55	$88.81 - $138.72
Q1 2020	44,253	$4,406	$137.00	$76.91 - $165.27
Q4 2019	65,048	$10,024	$152.69	$136.70 - $162.73
Q3 2019	65,518	$9,368	$145.37	$124.77 - $171.78
Q2 2019	65,456	$10,534	$156.37	$148.17 - $162.79
Q1 2019	67,974	$10,310	$138.79	$122.50 - $151.83
Q4 2018	71,023	$9,080	$144.26	$120.89 - $160.29
Q3 2018	72,044	$11,419	$144.99	$128.00 - $161.21
Q2 2018	72,359	$9,617	$128.01	$114.40 - $138.88
Q1 2018	73,426	$8,636	$124.90	$111.57 - $142.16
Q4 2017	74,822	$9,214	$121.44	$115.01 - $126.22
Q3 2017	73,940	$9,199	$123.59	$115.86 - $130.02
Q2 2017	74,759	$9,233	$116.06	$107.70 - $124.92
Q1 2017	66,543	$7,176	$103.07	$90.37 - $112.42
Q4 2016	70,685	$7,144	$96.64	$84.54 - $105.45
Q3 2016	76,231	$6,743	$93.80	$87.86 - $100.74
Q2 2016	80,181	$7,810	$95.03	$86.17 - $103.00
Q1 2016	82,413	$7,363	$84.54	$77.80 - $89.73
Q4 2015	85,276	$7,734	$88.55	$81.52 - $94.82
Q3 2015	178,009	$14,940	$87.10	$79.93 - $92.46
Q2 2015	948,935	$81,399	$85.73	$82.35 - $89.10
Q1 2015	1,440,906	$120,820	$82.51	$74.39 - $86.28
Q4 2014	2,781,500	$234,230	$81.25	$71.22 - $87.58
Q3 2014	2,891,643	$212,448	$72.66	$67.83 - $76.82
Q2 2014	2,892,875	$204,005	$69.70	$65.55 - $75.61
Q1 2014	4,295,912	$298,308	$69.18	$61.28 - $73.53
Q4 2013	3,277,758	$232,884	$63.15	$57.19 - $71.49
Q3 2013	2,667,029	$160,022	$58.89	$55.75 - $63.00
Q2 2013	1,483,949	$84,570	$56.76	$53.01 - $59.09