MINERALS TECHNOLOGIES INC

Ticker: MTX CUSIP: 603158106 Class: Common Stock

GAMCO INVESTORS, INC. ET AL's Holding History (CIK: 0000807249)

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

Q4 2025

Shares 276,114 Value ($000) $16,829 Avg Close $59.09 Range $53.85 - $63.32

Q3 2025

Shares 277,916 Value ($000) $17,264 Avg Close $60.71 Range $54.60 - $66.01

Q2 2025

Shares 282,111 Value ($000) $15,536 Avg Close $56.00 Range $49.17 - $62.74

Q1 2025

Shares 240,100 Value ($000) $15,263 Avg Close $70.76 Range $62.32 - $77.53

Q4 2024

Shares 238,300 Value ($000) $18,161 Avg Close $77.99 Range $73.72 - $85.72

Q3 2024

Shares 240,500 Value ($000) $18,574 Avg Close $76.19 Range $68.62 - $89.24

Q2 2024

Shares 234,500 Value ($000) $19,501 Avg Close $78.11 Range $68.96 - $86.44

Q1 2024

Shares 235,000 Value ($000) $17,691 Avg Close $69.23 Range $63.86 - $75.81

Q4 2023

Shares 237,400 Value ($000) $16,929 Avg Close $58.40 Range $47.83 - $71.07

Q3 2023

Shares 239,605 Value ($000) $13,121 Avg Close $56.13 Range $52.34 - $61.66

Q2 2023

Shares 240,935 Value ($000) $13,900 Avg Close $57.19 Range $53.13 - $60.84

Q1 2023

Shares 218,400 Value ($000) $13,196 Avg Close $61.10 Range $54.37 - $72.20

Q4 2022

Shares 213,400 Value ($000) $12,958 Avg Close $55.60 Range $48.74 - $62.46

Q3 2022

Shares 213,400 Value ($000) $10,544 Avg Close $59.58 Range $48.42 - $66.30

Q2 2022

Shares 210,400 Value ($000) $12,906 Avg Close $62.57 Range $56.35 - $67.72

Q1 2022

Shares 210,400 Value ($000) $13,918 Avg Close $67.70 Range $60.93 - $74.01

Q4 2021

Shares 206,400 Value ($000) $15,098 Avg Close $70.30 Range $63.19 - $77.32

Q3 2021

Shares 206,400 Value ($000) $14,415 Avg Close $74.61 Range $66.08 - $79.98

Q2 2021

Shares 210,400 Value ($000) $16,552 Avg Close $78.96 Range $73.23 - $86.58

Q1 2021

Shares 212,400 Value ($000) $15,998 Avg Close $69.02 Range $59.59 - $79.48

Q4 2020

Shares 243,100 Value ($000) $15,101 Avg Close $57.87 Range $48.80 - $64.63

Q3 2020

Shares 245,300 Value ($000) $12,535 Avg Close $48.19 Range $40.96 - $52.66

Q2 2020

Shares 239,600 Value ($000) $11,244 Avg Close $42.61 Range $30.45 - $54.67

Q1 2020

Shares 200,700 Value ($000) $7,277 Avg Close $47.10 Range $26.54 - $57.53

Q4 2019

Shares 196,700 Value ($000) $11,336 Avg Close $52.25 Range $47.23 - $56.93

Q3 2019

Shares 196,700 Value ($000) $10,443 Avg Close $49.74 Range $43.95 - $54.50

Q2 2019

Shares 196,500 Value ($000) $10,515 Avg Close $56.57 Range $49.73 - $61.78

Q1 2019

Shares 196,500 Value ($000) $11,552 Avg Close $55.37 Range $47.40 - $60.23

Q4 2018

Shares 187,000 Value ($000) $9,601 Avg Close $54.02 Range $45.58 - $66.26

Q3 2018

Shares 187,000 Value ($000) $12,641 Avg Close $68.30 Range $62.79 - $78.11

Q2 2018

Shares 187,000 Value ($000) $14,090 Avg Close $69.69 Range $62.26 - $74.25

Q1 2018

Shares 187,000 Value ($000) $12,520 Avg Close $69.21 Range $63.19 - $74.48

Q4 2017

Shares 187,000 Value ($000) $12,875 Avg Close $68.59 Range $64.01 - $71.97

Q3 2017

Shares 187,000 Value ($000) $13,212 Avg Close $66.03 Range $60.34 - $73.31

Q2 2017

Shares 189,000 Value ($000) $13,835 Avg Close $71.89 Range $67.72 - $77.55

Q1 2017

Shares 189,000 Value ($000) $14,477 Avg Close $74.61 Range $68.88 - $80.72

Q4 2016

Shares 193,000 Value ($000) $14,909 Avg Close $71.34 Range $63.07 - $80.10

Q3 2016

Shares 194,000 Value ($000) $13,714 Avg Close $64.21 Range $53.29 - $69.79

Q2 2016

Shares 191,000 Value ($000) $10,849 Avg Close $55.75 Range $49.31 - $59.65

Q1 2016

Shares 191,000 Value ($000) $10,858 Avg Close $44.81 Range $34.44 - $55.27

Q4 2015

Shares 181,000 Value ($000) $8,301 Avg Close $53.82 Range $43.09 - $60.63

Q3 2015

Shares 180,000 Value ($000) $8,669 Avg Close $55.32 Range $44.66 - $66.23

Q2 2015

Shares 180,000 Value ($000) $12,263 Avg Close $66.48 Range $62.78 - $71.08

Q1 2015

Shares 181,000 Value ($000) $13,231 Avg Close $64.85 Range $55.99 - $71.65

Q4 2014

Shares 181,000 Value ($000) $12,570 Avg Close $66.50 Range $54.66 - $74.50

Q3 2014

Shares 181,000 Value ($000) $11,170 Avg Close $59.56 Range $53.83 - $64.32

Q2 2014

Shares 181,000 Value ($000) $11,870 Avg Close $59.63 Range $56.50 - $63.93

Q1 2014

Shares 181,000 Value ($000) $11,685 Avg Close $53.91 Range $46.24 - $61.72

Q4 2013

Shares 180,000 Value ($000) $10,813 Avg Close $53.79 Range $46.69 - $57.91

Q3 2013

Shares 180,000 Value ($000) $8,887 Avg Close $43.84 Range $39.27 - $47.16

Q2 2013

Shares 176,000 Value ($000) $7,276 Avg Close $39.30 Range $36.34 - $41.48

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	276,114	$16,829	$59.09	$53.85 - $63.32
Q3 2025	277,916	$17,264	$60.71	$54.60 - $66.01
Q2 2025	282,111	$15,536	$56.00	$49.17 - $62.74
Q1 2025	240,100	$15,263	$70.76	$62.32 - $77.53
Q4 2024	238,300	$18,161	$77.99	$73.72 - $85.72
Q3 2024	240,500	$18,574	$76.19	$68.62 - $89.24
Q2 2024	234,500	$19,501	$78.11	$68.96 - $86.44
Q1 2024	235,000	$17,691	$69.23	$63.86 - $75.81
Q4 2023	237,400	$16,929	$58.40	$47.83 - $71.07
Q3 2023	239,605	$13,121	$56.13	$52.34 - $61.66
Q2 2023	240,935	$13,900	$57.19	$53.13 - $60.84
Q1 2023	218,400	$13,196	$61.10	$54.37 - $72.20
Q4 2022	213,400	$12,958	$55.60	$48.74 - $62.46
Q3 2022	213,400	$10,544	$59.58	$48.42 - $66.30
Q2 2022	210,400	$12,906	$62.57	$56.35 - $67.72
Q1 2022	210,400	$13,918	$67.70	$60.93 - $74.01
Q4 2021	206,400	$15,098	$70.30	$63.19 - $77.32
Q3 2021	206,400	$14,415	$74.61	$66.08 - $79.98
Q2 2021	210,400	$16,552	$78.96	$73.23 - $86.58
Q1 2021	212,400	$15,998	$69.02	$59.59 - $79.48
Q4 2020	243,100	$15,101	$57.87	$48.80 - $64.63
Q3 2020	245,300	$12,535	$48.19	$40.96 - $52.66
Q2 2020	239,600	$11,244	$42.61	$30.45 - $54.67
Q1 2020	200,700	$7,277	$47.10	$26.54 - $57.53
Q4 2019	196,700	$11,336	$52.25	$47.23 - $56.93
Q3 2019	196,700	$10,443	$49.74	$43.95 - $54.50
Q2 2019	196,500	$10,515	$56.57	$49.73 - $61.78
Q1 2019	196,500	$11,552	$55.37	$47.40 - $60.23
Q4 2018	187,000	$9,601	$54.02	$45.58 - $66.26
Q3 2018	187,000	$12,641	$68.30	$62.79 - $78.11
Q2 2018	187,000	$14,090	$69.69	$62.26 - $74.25
Q1 2018	187,000	$12,520	$69.21	$63.19 - $74.48
Q4 2017	187,000	$12,875	$68.59	$64.01 - $71.97
Q3 2017	187,000	$13,212	$66.03	$60.34 - $73.31
Q2 2017	189,000	$13,835	$71.89	$67.72 - $77.55
Q1 2017	189,000	$14,477	$74.61	$68.88 - $80.72
Q4 2016	193,000	$14,909	$71.34	$63.07 - $80.10
Q3 2016	194,000	$13,714	$64.21	$53.29 - $69.79
Q2 2016	191,000	$10,849	$55.75	$49.31 - $59.65
Q1 2016	191,000	$10,858	$44.81	$34.44 - $55.27
Q4 2015	181,000	$8,301	$53.82	$43.09 - $60.63
Q3 2015	180,000	$8,669	$55.32	$44.66 - $66.23
Q2 2015	180,000	$12,263	$66.48	$62.78 - $71.08
Q1 2015	181,000	$13,231	$64.85	$55.99 - $71.65
Q4 2014	181,000	$12,570	$66.50	$54.66 - $74.50
Q3 2014	181,000	$11,170	$59.56	$53.83 - $64.32
Q2 2014	181,000	$11,870	$59.63	$56.50 - $63.93
Q1 2014	181,000	$11,685	$53.91	$46.24 - $61.72
Q4 2013	180,000	$10,813	$53.79	$46.69 - $57.91
Q3 2013	180,000	$8,887	$43.84	$39.27 - $47.16
Q2 2013	176,000	$7,276	$39.30	$36.34 - $41.48