MKS INSTRS INC

Ticker: MKSI CUSIP: 55306N104 Class: EQTY

FIRST NATIONAL BANK OF OMAHA's Holding History (CIK: 0000036644)

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

Q4 2025

Shares 12,475 Value ($000) $1,994 Avg Close $148.21 Range $120.73 - $170.37

Q3 2025

Shares 13,474 Value ($000) $1,668 Avg Close $106.31 Range $88.17 - $132.24

Q2 2025

Shares 14,531 Value ($000) $1,444 Avg Close $80.86 Range $54.50 - $100.44

Q1 2025

Shares 70,980 Value ($000) $5,689 Avg Close $100.21 Range $75.89 - $124.28

Q4 2024

Shares 73,594 Value ($000) $7,682 Avg Close $106.91 Range $96.54 - $118.37

Q3 2024

Shares 73,079 Value ($000) $7,944 Avg Close $117.45 Range $99.10 - $145.63

Q2 2024

Shares 73,683 Value ($000) $9,622 Avg Close $124.55 Range $105.72 - $137.52

Q1 2024

Shares 70,980 Value ($000) $5,689 Avg Close $114.51 Range $94.23 - $132.85

Q4 2023

Shares 87,037 Value ($000) $8,953 Avg Close $79.84 Range $62.28 - $104.49

Q3 2023

Shares 84,536 Value ($000) $7,316 Avg Close $95.58 Range $81.25 - $107.67

Q2 2023

Shares 92,415 Value ($000) $9,990 Avg Close $89.53 Range $77.81 - $108.20

Q1 2023

Shares 92,623 Value ($000) $8,208 Avg Close $93.12 Range $80.00 - $111.27

Q4 2022

Shares 93,123 Value ($000) $8 Avg Close $78.00 Range $62.97 - $89.22

Q3 2022

Shares 82,666 Value ($000) $6,832 Avg Close $100.01 Range $79.23 - $120.27

Q2 2022

Shares 72,411 Value ($000) $7,431 Avg Close $112.92 Range $94.75 - $148.07

Q1 2022

Shares 53,277 Value ($000) $7,991 Avg Close $150.35 Range $131.30 - $175.09

Q4 2021

Shares 49,655 Value ($000) $8,649 Avg Close $151.09 Range $136.06 - $172.80

Q3 2021

Shares 42,697 Value ($000) $6,443 Avg Close $148.13 Range $133.76 - $168.78

Q2 2021

Shares 5,608 Value ($000) $1,040 Avg Close $175.09 Range $158.98 - $192.11

Q1 2021

Shares 5,608 Value ($000) $1,040 Avg Close $161.78 Range $138.78 - $185.00

Q4 2020

Shares 4,466 Value ($000) $672 Avg Close $125.75 Range $101.82 - $152.08

Q3 2020

Shares 4,640 Value ($000) $507 Avg Close $112.47 Range $97.77 - $124.64

Q2 2020

Shares 4,606 Value ($000) $521 Avg Close $95.31 Range $70.45 - $112.06

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	12,475	$1,994	$148.21	$120.73 - $170.37
Q3 2025	13,474	$1,668	$106.31	$88.17 - $132.24
Q2 2025	14,531	$1,444	$80.86	$54.50 - $100.44
Q1 2025	70,980	$5,689	$100.21	$75.89 - $124.28
Q4 2024	73,594	$7,682	$106.91	$96.54 - $118.37
Q3 2024	73,079	$7,944	$117.45	$99.10 - $145.63
Q2 2024	73,683	$9,622	$124.55	$105.72 - $137.52
Q1 2024	70,980	$5,689	$114.51	$94.23 - $132.85
Q4 2023	87,037	$8,953	$79.84	$62.28 - $104.49
Q3 2023	84,536	$7,316	$95.58	$81.25 - $107.67
Q2 2023	92,415	$9,990	$89.53	$77.81 - $108.20
Q1 2023	92,623	$8,208	$93.12	$80.00 - $111.27
Q4 2022	93,123	$8	$78.00	$62.97 - $89.22
Q3 2022	82,666	$6,832	$100.01	$79.23 - $120.27
Q2 2022	72,411	$7,431	$112.92	$94.75 - $148.07
Q1 2022	53,277	$7,991	$150.35	$131.30 - $175.09
Q4 2021	49,655	$8,649	$151.09	$136.06 - $172.80
Q3 2021	42,697	$6,443	$148.13	$133.76 - $168.78
Q2 2021	5,608	$1,040	$175.09	$158.98 - $192.11
Q1 2021	5,608	$1,040	$161.78	$138.78 - $185.00
Q4 2020	4,466	$672	$125.75	$101.82 - $152.08
Q3 2020	4,640	$507	$112.47	$97.77 - $124.64
Q2 2020	4,606	$521	$95.31	$70.45 - $112.06