EQUIFAX INC

Ticker: EFX CUSIP: 294429105 Class: COM

STATE OF WISCONSIN INVESTMENT BOARD's Holding History (CIK: 0000854157)

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

Q4 2025

Shares 65,575 Value ($000) $14,228 Avg Close $218.67 Range $201.09 - $257.72

Q3 2025

Shares 66,859 Value ($000) $17,151 Avg Close $250.41 Range $232.22 - $274.71

Q2 2025

Shares 71,130 Value ($000) $18,449 Avg Close $252.97 Range $198.73 - $279.27

Q1 2025

Shares 70,778 Value ($000) $17,239 Avg Close $249.55 Range $229.95 - $278.86

Q4 2024

Shares 78,504 Value ($000) $20,007 Avg Close $265.60 Range $238.93 - $292.71

Q3 2024

Shares 77,825 Value ($000) $22,870 Avg Close $279.16 Range $231.22 - $306.72

Q2 2024

Shares 75,043 Value ($000) $18,195 Avg Close $235.79 Range $210.41 - $266.69

Q1 2024

Shares 74,877 Value ($000) $20,031 Avg Close $251.16 Range $227.28 - $271.73

Q4 2023

Shares 66,671 Value ($000) $16,487 Avg Close $199.85 Range $157.46 - $249.13

Q3 2023

Shares 67,656 Value ($000) $12,393 Avg Close $200.72 Range $176.08 - $236.16

Q2 2023

Shares 86,471 Value ($000) $20,347 Avg Close $206.59 Range $187.52 - $233.85

Q1 2023

Shares 87,207 Value ($000) $17,689 Avg Close $203.94 Range $186.28 - $229.21

Q4 2022

Shares 105,669 Value ($000) $20,538 Avg Close $178.71 Range $142.62 - $208.13

Q3 2022

Shares 100,919 Value ($000) $17,301 Avg Close $191.11 Range $161.82 - $217.45

Q2 2022

Shares 112,520 Value ($000) $20,566 Avg Close $194.89 Range $165.02 - $232.15

Q1 2022

Shares 121,306 Value ($000) $28,762 Avg Close $229.05 Range $197.54 - $286.46

Q4 2021

Shares 95,121 Value ($000) $27,850 Avg Close $270.17 Range $232.89 - $291.49

Q3 2021

Shares 96,108 Value ($000) $24,356 Avg Close $251.84 Range $231.66 - $271.18

Q2 2021

Shares 92,169 Value ($000) $22,075 Avg Close $216.27 Range $172.03 - $235.16

Q1 2021

Shares 94,103 Value ($000) $17,045 Avg Close $170.61 Range $156.52 - $187.58

Q4 2020

Shares 153,255 Value ($000) $29,554 Avg Close $162.01 Range $130.90 - $189.56

Q3 2020

Shares 130,978 Value ($000) $20,550 Avg Close $157.47 Range $144.91 - $174.54

Q2 2020

Shares 108,266 Value ($000) $18,609 Avg Close $142.07 Range $101.20 - $172.92

Q1 2020

Shares 109,661 Value ($000) $13,099 Avg Close $139.06 Range $98.66 - $157.41

Q4 2019

Shares 130,012 Value ($000) $18,217 Avg Close $132.13 Range $125.34 - $139.85

Q3 2019

Shares 91,023 Value ($000) $12,804 Avg Close $134.03 Range $126.86 - $141.55

Q2 2019

Shares 97,810 Value ($000) $13,228 Avg Close $118.90 Range $109.27 - $129.41

Q1 2019

Shares 70,968 Value ($000) $8,410 Avg Close $100.83 Range $85.58 - $112.66

Q4 2018

Shares 118,321 Value ($000) $11,019 Avg Close $100.20 Range $83.69 - $124.91

Q3 2018

Shares 152,304 Value ($000) $19,886 Avg Close $122.26 Range $113.27 - $130.37

Q2 2018

Shares 118,902 Value ($000) $14,876 Avg Close $110.85 Range $103.56 - $120.47

Q1 2018

Shares 112,001 Value ($000) $13,195 Avg Close $111.89 Range $100.87 - $118.93

Q4 2017

Shares 113,307 Value ($000) $13,361 Avg Close $104.45 Range $97.71 - $112.45

Q3 2017

Shares 111,401 Value ($000) $11,807 Avg Close $122.49 Range $83.13 - $136.04

Q2 2017

Shares 102,404 Value ($000) $14,072 Avg Close $126.80 Range $121.44 - $133.25

Q1 2017

Shares 78,854 Value ($000) $10,782 Avg Close $117.16 Range $107.00 - $127.11

Q4 2016

Shares 64,831 Value ($000) $7,665 Avg Close $112.26 Range $101.99 - $123.45

Q3 2016

Shares 75,946 Value ($000) $10,221 Avg Close $121.49 Range $117.00 - $125.34

Q2 2016

Shares 78,946 Value ($000) $10,137 Avg Close $110.67 Range $103.21 - $117.51

Q1 2016

Shares 84,596 Value ($000) $9,668 Avg Close $95.83 Range $83.45 - $104.65

Q4 2015

Shares 88,186 Value ($000) $9,821 Avg Close $98.15 Range $87.31 - $104.13

Q3 2015

Shares 88,856 Value ($000) $8,635 Avg Close $90.00 Range $82.52 - $95.79

Q2 2015

Shares 91,366 Value ($000) $8,871 Avg Close $88.13 Range $82.66 - $91.51

Q1 2015

Shares 92,666 Value ($000) $8,618 Avg Close $79.92 Range $71.62 - $85.63

Q4 2014

Shares 95,196 Value ($000) $7,698 Avg Close $69.46 Range $61.90 - $74.32

Q3 2014

Shares 89,766 Value ($000) $6,709 Avg Close $68.16 Range $64.35 - $71.67

Q2 2014

Shares 89,166 Value ($000) $6,468 Avg Close $62.60 Range $57.66 - $65.59

Q1 2014

Shares 86,166 Value ($000) $5,862 Avg Close $62.16 Range $59.42 - $64.92

Q4 2013

Shares 86,096 Value ($000) $5,948 Avg Close $57.60 Range $52.06 - $61.79

Q3 2013

Shares 88,626 Value ($000) $5,304 Avg Close $54.29 Range $51.77 - $57.86

Q2 2013

Shares 95,506 Value ($000) $5,628 Avg Close $53.06 Range $49.07 - $56.13

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	65,575	$14,228	$218.67	$201.09 - $257.72
Q3 2025	66,859	$17,151	$250.41	$232.22 - $274.71
Q2 2025	71,130	$18,449	$252.97	$198.73 - $279.27
Q1 2025	70,778	$17,239	$249.55	$229.95 - $278.86
Q4 2024	78,504	$20,007	$265.60	$238.93 - $292.71
Q3 2024	77,825	$22,870	$279.16	$231.22 - $306.72
Q2 2024	75,043	$18,195	$235.79	$210.41 - $266.69
Q1 2024	74,877	$20,031	$251.16	$227.28 - $271.73
Q4 2023	66,671	$16,487	$199.85	$157.46 - $249.13
Q3 2023	67,656	$12,393	$200.72	$176.08 - $236.16
Q2 2023	86,471	$20,347	$206.59	$187.52 - $233.85
Q1 2023	87,207	$17,689	$203.94	$186.28 - $229.21
Q4 2022	105,669	$20,538	$178.71	$142.62 - $208.13
Q3 2022	100,919	$17,301	$191.11	$161.82 - $217.45
Q2 2022	112,520	$20,566	$194.89	$165.02 - $232.15
Q1 2022	121,306	$28,762	$229.05	$197.54 - $286.46
Q4 2021	95,121	$27,850	$270.17	$232.89 - $291.49
Q3 2021	96,108	$24,356	$251.84	$231.66 - $271.18
Q2 2021	92,169	$22,075	$216.27	$172.03 - $235.16
Q1 2021	94,103	$17,045	$170.61	$156.52 - $187.58
Q4 2020	153,255	$29,554	$162.01	$130.90 - $189.56
Q3 2020	130,978	$20,550	$157.47	$144.91 - $174.54
Q2 2020	108,266	$18,609	$142.07	$101.20 - $172.92
Q1 2020	109,661	$13,099	$139.06	$98.66 - $157.41
Q4 2019	130,012	$18,217	$132.13	$125.34 - $139.85
Q3 2019	91,023	$12,804	$134.03	$126.86 - $141.55
Q2 2019	97,810	$13,228	$118.90	$109.27 - $129.41
Q1 2019	70,968	$8,410	$100.83	$85.58 - $112.66
Q4 2018	118,321	$11,019	$100.20	$83.69 - $124.91
Q3 2018	152,304	$19,886	$122.26	$113.27 - $130.37
Q2 2018	118,902	$14,876	$110.85	$103.56 - $120.47
Q1 2018	112,001	$13,195	$111.89	$100.87 - $118.93
Q4 2017	113,307	$13,361	$104.45	$97.71 - $112.45
Q3 2017	111,401	$11,807	$122.49	$83.13 - $136.04
Q2 2017	102,404	$14,072	$126.80	$121.44 - $133.25
Q1 2017	78,854	$10,782	$117.16	$107.00 - $127.11
Q4 2016	64,831	$7,665	$112.26	$101.99 - $123.45
Q3 2016	75,946	$10,221	$121.49	$117.00 - $125.34
Q2 2016	78,946	$10,137	$110.67	$103.21 - $117.51
Q1 2016	84,596	$9,668	$95.83	$83.45 - $104.65
Q4 2015	88,186	$9,821	$98.15	$87.31 - $104.13
Q3 2015	88,856	$8,635	$90.00	$82.52 - $95.79
Q2 2015	91,366	$8,871	$88.13	$82.66 - $91.51
Q1 2015	92,666	$8,618	$79.92	$71.62 - $85.63
Q4 2014	95,196	$7,698	$69.46	$61.90 - $74.32
Q3 2014	89,766	$6,709	$68.16	$64.35 - $71.67
Q2 2014	89,166	$6,468	$62.60	$57.66 - $65.59
Q1 2014	86,166	$5,862	$62.16	$59.42 - $64.92
Q4 2013	86,096	$5,948	$57.60	$52.06 - $61.79
Q3 2013	88,626	$5,304	$54.29	$51.77 - $57.86
Q2 2013	95,506	$5,628	$53.06	$49.07 - $56.13