DONALDSON INC

Ticker: DCI CUSIP: 257651109 Class: EQTY

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

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

Q4 2025

Shares 349,156 Value ($000) $30,956 Avg Close $86.42 Range $78.95 - $94.44

Q3 2025

Shares 376,156 Value ($000) $30,788 Avg Close $74.82 Range $68.27 - $82.82

Q2 2025

Shares 388,356 Value ($000) $26,932 Avg Close $66.35 Range $56.63 - $72.94

Q1 2025

Shares 389,956 Value ($000) $26,150 Avg Close $68.06 Range $64.17 - $71.21

Q4 2024

Shares 389,256 Value ($000) $26,216 Avg Close $72.21 Range $65.43 - $77.23

Q3 2024

Shares 403,656 Value ($000) $29,749 Avg Close $70.60 Range $67.24 - $73.86

Q2 2024

Shares 408,056 Value ($000) $29,200 Avg Close $71.28 Range $68.46 - $75.75

Q1 2024

Shares 415,056 Value ($000) $30,996 Avg Close $65.94 Range $59.76 - $72.97

Q4 2023

Shares 411,956 Value ($000) $26,921 Avg Close $58.77 Range $54.95 - $64.27

Q3 2023

Shares 415,056 Value ($000) $24,754 Avg Close $59.51 Range $56.81 - $62.82

Q2 2023

Shares 415,776 Value ($000) $25,990 Avg Close $59.84 Range $55.47 - $62.74

Q1 2023

Shares 416,276 Value ($000) $27,199 Avg Close $59.95 Range $55.42 - $63.97

Q4 2022

Shares 417,476 Value ($000) $24,577 Avg Close $54.37 Range $46.48 - $58.73

Q3 2022

Shares 424,910 Value ($000) $20,825 Avg Close $49.40 Range $44.37 - $54.21

Q2 2022

Shares 442,410 Value ($000) $21,298 Avg Close $47.42 Range $43.44 - $50.88

Q1 2022

Shares 444,610 Value ($000) $23,089 Avg Close $51.09 Range $45.63 - $56.93

Q4 2021

Shares 446,460 Value ($000) $26,457 Avg Close $55.29 Range $51.39 - $58.91

Q3 2021

Shares 451,960 Value ($000) $25,947 Avg Close $60.06 Range $53.55 - $64.70

Q2 2021

Shares 455,881 Value ($000) $28,962 Avg Close $57.32 Range $53.87 - $60.67

Q1 2021

Shares 467,070 Value ($000) $27,165 Avg Close $55.33 Range $50.57 - $58.10

Q4 2020

Shares 476,870 Value ($000) $26,647 Avg Close $48.61 Range $42.97 - $53.24

Q3 2020

Shares 493,170 Value ($000) $22,893 Avg Close $44.64 Range $41.12 - $48.33

Q2 2020

Shares 532,720 Value ($000) $24,782 Avg Close $40.36 Range $32.28 - $47.63

Q1 2020

Shares 745,570 Value ($000) $28,801 Avg Close $44.52 Range $28.34 - $52.85

Q4 2019

Shares 777,270 Value ($000) $44,786 Avg Close $49.30 Range $44.18 - $52.98

Q3 2019

Shares 777,820 Value ($000) $40,509 Avg Close $44.71 Range $41.47 - $48.17

Q2 2019

Shares 839,602 Value ($000) $42,702 Avg Close $45.66 Range $41.27 - $48.41

Q1 2019

Shares 899,002 Value ($000) $45,004 Avg Close $43.26 Range $37.14 - $47.26

Q4 2018

Shares 900,002 Value ($000) $39,051 Avg Close $46.05 Range $35.99 - $52.52

Q3 2018

Shares 902,302 Value ($000) $52,568 Avg Close $44.62 Range $39.33 - $52.91

Q2 2018

Shares 972,062 Value ($000) $43,859 Avg Close $40.81 Range $38.28 - $43.23

Q1 2018

Shares 990,612 Value ($000) $44,627 Avg Close $42.21 Range $38.42 - $45.92

Q4 2017

Shares 1,095,512 Value ($000) $53,625 Avg Close $41.83 Range $40.22 - $43.91

Q3 2017

Shares 1,115,702 Value ($000) $51,255 Avg Close $40.48 Range $37.33 - $41.91

Q2 2017

Shares 1,161,652 Value ($000) $52,902 Avg Close $40.09 Range $38.32 - $42.54

Q1 2017

Shares 1,209,502 Value ($000) $55,057 Avg Close $37.57 Range $35.75 - $41.47

Q4 2016

Shares 1,424,920 Value ($000) $59,961 Avg Close $34.27 Range $30.93 - $39.93

Q3 2016

Shares 1,507,820 Value ($000) $56,287 Avg Close $31.36 Range $28.63 - $33.34

Q2 2016

Shares 1,526,620 Value ($000) $52,455 Avg Close $28.56 Range $25.85 - $31.68

Q1 2016

Shares 1,551,620 Value ($000) $49,512 Avg Close $25.02 Range $21.41 - $28.16

Q4 2015

Shares 1,581,620 Value ($000) $45,329 Avg Close $24.90 Range $22.80 - $26.93

Q3 2015

Shares 1,589,620 Value ($000) $44,637 Avg Close $27.04 Range $22.26 - $30.25

Q2 2015

Shares 1,730,320 Value ($000) $61,945 Avg Close $30.52 Range $29.14 - $31.85

Q1 2015

Shares 1,875,020 Value ($000) $70,707 Avg Close $31.26 Range $30.01 - $32.51

Q4 2014

Shares 1,918,820 Value ($000) $74,124 Avg Close $32.99 Range $30.02 - $35.91

Q3 2014

Shares 2,059,020 Value ($000) $83,658 Avg Close $33.70 Range $31.59 - $35.35

Q2 2014

Shares 2,082,920 Value ($000) $88,149 Avg Close $34.35 Range $32.23 - $35.36

Q1 2014

Shares 2,090,812 Value ($000) $88,650 Avg Close $34.54 Range $31.69 - $35.68

Q4 2013

Shares 2,096,612 Value ($000) $91,119 Avg Close $33.32 Range $30.70 - $35.85

Q3 2013

Shares 2,118,212 Value ($000) $80,767 Avg Close $30.16 Range $28.27 - $31.81

Q2 2013

Shares 2,149,512 Value ($000) $76,652 Avg Close $29.49 Range $27.79 - $31.93

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	349,156	$30,956	$86.42	$78.95 - $94.44
Q3 2025	376,156	$30,788	$74.82	$68.27 - $82.82
Q2 2025	388,356	$26,932	$66.35	$56.63 - $72.94
Q1 2025	389,956	$26,150	$68.06	$64.17 - $71.21
Q4 2024	389,256	$26,216	$72.21	$65.43 - $77.23
Q3 2024	403,656	$29,749	$70.60	$67.24 - $73.86
Q2 2024	408,056	$29,200	$71.28	$68.46 - $75.75
Q1 2024	415,056	$30,996	$65.94	$59.76 - $72.97
Q4 2023	411,956	$26,921	$58.77	$54.95 - $64.27
Q3 2023	415,056	$24,754	$59.51	$56.81 - $62.82
Q2 2023	415,776	$25,990	$59.84	$55.47 - $62.74
Q1 2023	416,276	$27,199	$59.95	$55.42 - $63.97
Q4 2022	417,476	$24,577	$54.37	$46.48 - $58.73
Q3 2022	424,910	$20,825	$49.40	$44.37 - $54.21
Q2 2022	442,410	$21,298	$47.42	$43.44 - $50.88
Q1 2022	444,610	$23,089	$51.09	$45.63 - $56.93
Q4 2021	446,460	$26,457	$55.29	$51.39 - $58.91
Q3 2021	451,960	$25,947	$60.06	$53.55 - $64.70
Q2 2021	455,881	$28,962	$57.32	$53.87 - $60.67
Q1 2021	467,070	$27,165	$55.33	$50.57 - $58.10
Q4 2020	476,870	$26,647	$48.61	$42.97 - $53.24
Q3 2020	493,170	$22,893	$44.64	$41.12 - $48.33
Q2 2020	532,720	$24,782	$40.36	$32.28 - $47.63
Q1 2020	745,570	$28,801	$44.52	$28.34 - $52.85
Q4 2019	777,270	$44,786	$49.30	$44.18 - $52.98
Q3 2019	777,820	$40,509	$44.71	$41.47 - $48.17
Q2 2019	839,602	$42,702	$45.66	$41.27 - $48.41
Q1 2019	899,002	$45,004	$43.26	$37.14 - $47.26
Q4 2018	900,002	$39,051	$46.05	$35.99 - $52.52
Q3 2018	902,302	$52,568	$44.62	$39.33 - $52.91
Q2 2018	972,062	$43,859	$40.81	$38.28 - $43.23
Q1 2018	990,612	$44,627	$42.21	$38.42 - $45.92
Q4 2017	1,095,512	$53,625	$41.83	$40.22 - $43.91
Q3 2017	1,115,702	$51,255	$40.48	$37.33 - $41.91
Q2 2017	1,161,652	$52,902	$40.09	$38.32 - $42.54
Q1 2017	1,209,502	$55,057	$37.57	$35.75 - $41.47
Q4 2016	1,424,920	$59,961	$34.27	$30.93 - $39.93
Q3 2016	1,507,820	$56,287	$31.36	$28.63 - $33.34
Q2 2016	1,526,620	$52,455	$28.56	$25.85 - $31.68
Q1 2016	1,551,620	$49,512	$25.02	$21.41 - $28.16
Q4 2015	1,581,620	$45,329	$24.90	$22.80 - $26.93
Q3 2015	1,589,620	$44,637	$27.04	$22.26 - $30.25
Q2 2015	1,730,320	$61,945	$30.52	$29.14 - $31.85
Q1 2015	1,875,020	$70,707	$31.26	$30.01 - $32.51
Q4 2014	1,918,820	$74,124	$32.99	$30.02 - $35.91
Q3 2014	2,059,020	$83,658	$33.70	$31.59 - $35.35
Q2 2014	2,082,920	$88,149	$34.35	$32.23 - $35.36
Q1 2014	2,090,812	$88,650	$34.54	$31.69 - $35.68
Q4 2013	2,096,612	$91,119	$33.32	$30.70 - $35.85
Q3 2013	2,118,212	$80,767	$30.16	$28.27 - $31.81
Q2 2013	2,149,512	$76,652	$29.49	$27.79 - $31.93