INTERNATIONAL BUSINESS MACHS

Ticker: IBM CUSIP: 459200101 Class: COM

PARTHENON LLC's Holding History (CIK: 0001088859)

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

Q4 2025

Shares 6,274 Value ($000) $1,858 Avg Close $298.78 Range $262.11 - $324.90

Q3 2025

Shares 7,408 Value ($000) $2,090 Avg Close $259.55 Range $232.08 - $292.01

Q2 2025

Shares 8,419 Value ($000) $2,482 Avg Close $253.82 Range $210.49 - $292.56

Q1 2025

Shares 9,342 Value ($000) $2,323 Avg Close $239.40 Range $209.20 - $261.47

Q4 2024

Shares 9,842 Value ($000) $2,164 Avg Close $216.31 Range $196.83 - $233.32

Q3 2024

Shares 9,842 Value ($000) $2,176 Avg Close $188.97 Range $166.24 - $216.80

Q2 2024

Shares 9,847 Value ($000) $1,703 Avg Close $165.85 Range $154.39 - $183.50

Q1 2024

Shares 9,842 Value ($000) $1,879 Avg Close $172.56 Range $148.54 - $189.10

Q4 2023

Shares 13,842 Value ($000) $2,264 Avg Close $141.50 Range $126.39 - $156.49

Q3 2023

Shares 13,842 Value ($000) $1,942 Avg Close $131.75 Range $120.98 - $141.33

Q2 2023

Shares 13,842 Value ($000) $1,852 Avg Close $118.05 Range $110.47 - $128.27

Q1 2023

Shares 13,842 Value ($000) $1,815 Avg Close $120.73 Range $110.43 - $131.92

Q4 2022

Shares 14,463 Value ($000) $2,038 Avg Close $123.05 Range $102.35 - $137.32

Q3 2022

Shares 14,463 Value ($000) $1,718 Avg Close $115.64 Range $105.06 - $124.09

Q2 2022

Shares 14,463 Value ($000) $2,042 Avg Close $117.50 Range $107.95 - $126.60

Q1 2022

Shares 14,463 Value ($000) $1,880 Avg Close $112.10 Range $102.68 - $121.43

Q4 2021

Shares 19,107 Value ($000) $2,554 Avg Close $106.49 Range $97.83 - $117.62

Q3 2021

Shares 19,107 Value ($000) $2,655 Avg Close $112.12 Range $106.97 - $117.48

Q2 2021

Shares 20,061 Value ($000) $2,941 Avg Close $113.44 Range $102.70 - $121.73

Q1 2021

Shares 23,107 Value ($000) $3,079 Avg Close $98.07 Range $91.22 - $107.97

Q4 2020

Shares 21,541 Value ($000) $2,712 Avg Close $93.41 Range $81.15 - $103.82

Q3 2020

Shares 26,957 Value ($000) $3,280 Avg Close $93.86 Range $87.12 - $99.96

Q2 2020

Shares 26,957 Value ($000) $3,256 Avg Close $91.40 Range $78.00 - $102.76

Q1 2020

Shares 26,957 Value ($000) $2,990 Avg Close $98.28 Range $67.58 - $117.24

Q4 2019

Shares 27,457 Value ($000) $3,680 Avg Close $99.90 Range $95.55 - $107.55

Q3 2019

Shares 27,519 Value ($000) $4,002 Avg Close $102.47 Range $94.04 - $110.34

Q2 2019

Shares 28,019 Value ($000) $3,864 Avg Close $98.62 Range $91.51 - $103.66

Q1 2019

Shares 28,619 Value ($000) $4,038 Avg Close $94.64 Range $78.71 - $101.33

Q4 2018

Shares 29,199 Value ($000) $3,319 Avg Close $87.95 Range $74.66 - $107.42

Q3 2018

Shares 29,199 Value ($000) $4,415 Avg Close $101.25 Range $95.14 - $106.71

Q2 2018

Shares 32,926 Value ($000) $4,600 Avg Close $99.95 Range $94.63 - $110.30

Q1 2018

Shares 32,926 Value ($000) $5,052 Avg Close $107.30 Range $98.32 - $115.38

Q4 2017

Shares 33,926 Value ($000) $5,205 Avg Close $102.11 Range $96.94 - $108.49

Q3 2017

Shares 36,310 Value ($000) $5,268 Avg Close $96.87 Range $92.88 - $103.07

Q2 2017

Shares 36,410 Value ($000) $5,601 Avg Close $103.77 Range $98.95 - $115.36

Q1 2017

Shares 37,826 Value ($000) $6,587 Avg Close $114.39 Range $107.32 - $119.58

Q4 2016

Shares 40,626 Value ($000) $6,744 Avg Close $103.05 Range $95.06 - $110.31

Q3 2016

Shares 40,626 Value ($000) $6,453 Avg Close $101.76 Range $95.61 - $106.13

Q2 2016

Shares 40,716 Value ($000) $6,180 Avg Close $95.13 Range $90.08 - $99.15

Q1 2016

Shares 40,716 Value ($000) $6,166 Avg Close $84.07 Range $73.78 - $96.70

Q4 2015

Shares 40,716 Value ($000) $5,603 Avg Close $87.52 Range $82.31 - $94.87

Q3 2015

Shares 40,416 Value ($000) $5,859 Avg Close $95.35 Range $87.10 - $106.76

Q2 2015

Shares 41,016 Value ($000) $6,672 Avg Close $102.99 Range $96.57 - $107.49

Q1 2015

Shares 40,446 Value ($000) $6,492 Avg Close $96.47 Range $90.53 - $100.82

Q4 2014

Shares 40,356 Value ($000) $6,475 Avg Close $100.47 Range $91.12 - $114.79

Q3 2014

Shares 40,326 Value ($000) $7,655 Avg Close $114.33 Range $108.62 - $117.41

Q2 2014

Shares 40,326 Value ($000) $7,310 Avg Close $112.28 Range $107.17 - $118.40

Q1 2014

Shares 40,326 Value ($000) $7,762 Avg Close $109.22 Range $101.79 - $116.27

Q4 2013

Shares 40,326 Value ($000) $7,564 Avg Close $106.40 Range $101.46 - $111.01

Q3 2013

Shares 40,326 Value ($000) $7,468 Avg Close $111.55 Range $106.48 - $117.56

Q2 2013

Shares 40,326 Value ($000) $7,707 Avg Close $118.94 Range $109.29 - $125.13

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	6,274	$1,858	$298.78	$262.11 - $324.90
Q3 2025	7,408	$2,090	$259.55	$232.08 - $292.01
Q2 2025	8,419	$2,482	$253.82	$210.49 - $292.56
Q1 2025	9,342	$2,323	$239.40	$209.20 - $261.47
Q4 2024	9,842	$2,164	$216.31	$196.83 - $233.32
Q3 2024	9,842	$2,176	$188.97	$166.24 - $216.80
Q2 2024	9,847	$1,703	$165.85	$154.39 - $183.50
Q1 2024	9,842	$1,879	$172.56	$148.54 - $189.10
Q4 2023	13,842	$2,264	$141.50	$126.39 - $156.49
Q3 2023	13,842	$1,942	$131.75	$120.98 - $141.33
Q2 2023	13,842	$1,852	$118.05	$110.47 - $128.27
Q1 2023	13,842	$1,815	$120.73	$110.43 - $131.92
Q4 2022	14,463	$2,038	$123.05	$102.35 - $137.32
Q3 2022	14,463	$1,718	$115.64	$105.06 - $124.09
Q2 2022	14,463	$2,042	$117.50	$107.95 - $126.60
Q1 2022	14,463	$1,880	$112.10	$102.68 - $121.43
Q4 2021	19,107	$2,554	$106.49	$97.83 - $117.62
Q3 2021	19,107	$2,655	$112.12	$106.97 - $117.48
Q2 2021	20,061	$2,941	$113.44	$102.70 - $121.73
Q1 2021	23,107	$3,079	$98.07	$91.22 - $107.97
Q4 2020	21,541	$2,712	$93.41	$81.15 - $103.82
Q3 2020	26,957	$3,280	$93.86	$87.12 - $99.96
Q2 2020	26,957	$3,256	$91.40	$78.00 - $102.76
Q1 2020	26,957	$2,990	$98.28	$67.58 - $117.24
Q4 2019	27,457	$3,680	$99.90	$95.55 - $107.55
Q3 2019	27,519	$4,002	$102.47	$94.04 - $110.34
Q2 2019	28,019	$3,864	$98.62	$91.51 - $103.66
Q1 2019	28,619	$4,038	$94.64	$78.71 - $101.33
Q4 2018	29,199	$3,319	$87.95	$74.66 - $107.42
Q3 2018	29,199	$4,415	$101.25	$95.14 - $106.71
Q2 2018	32,926	$4,600	$99.95	$94.63 - $110.30
Q1 2018	32,926	$5,052	$107.30	$98.32 - $115.38
Q4 2017	33,926	$5,205	$102.11	$96.94 - $108.49
Q3 2017	36,310	$5,268	$96.87	$92.88 - $103.07
Q2 2017	36,410	$5,601	$103.77	$98.95 - $115.36
Q1 2017	37,826	$6,587	$114.39	$107.32 - $119.58
Q4 2016	40,626	$6,744	$103.05	$95.06 - $110.31
Q3 2016	40,626	$6,453	$101.76	$95.61 - $106.13
Q2 2016	40,716	$6,180	$95.13	$90.08 - $99.15
Q1 2016	40,716	$6,166	$84.07	$73.78 - $96.70
Q4 2015	40,716	$5,603	$87.52	$82.31 - $94.87
Q3 2015	40,416	$5,859	$95.35	$87.10 - $106.76
Q2 2015	41,016	$6,672	$102.99	$96.57 - $107.49
Q1 2015	40,446	$6,492	$96.47	$90.53 - $100.82
Q4 2014	40,356	$6,475	$100.47	$91.12 - $114.79
Q3 2014	40,326	$7,655	$114.33	$108.62 - $117.41
Q2 2014	40,326	$7,310	$112.28	$107.17 - $118.40
Q1 2014	40,326	$7,762	$109.22	$101.79 - $116.27
Q4 2013	40,326	$7,564	$106.40	$101.46 - $111.01
Q3 2013	40,326	$7,468	$111.55	$106.48 - $117.56
Q2 2013	40,326	$7,707	$118.94	$109.29 - $125.13