HALLIBURTON CO

Ticker: HAL CUSIP: 406216101 Class: COM

STATE OF MICHIGAN RETIREMENT SYSTEM's Holding History (CIK: 0000762152)

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

Q4 2025

Shares 278,422 Value ($000) $7,868 Avg Close $26.29 Range $21.32 - $29.67

Q3 2025

Shares 281,822 Value ($000) $6,933 Avg Close $21.87 Range $19.81 - $25.52

Q2 2025

Shares 284,922 Value ($000) $5,807 Avg Close $20.56 Range $18.31 - $25.17

Q1 2025

Shares 235,522 Value ($000) $5,975 Avg Close $25.59 Range $22.91 - $29.52

Q4 2024

Shares 238,422 Value ($000) $6,483 Avg Close $28.28 Range $24.77 - $31.46

Q3 2024

Shares 240,422 Value ($000) $6,984 Avg Close $30.33 Range $26.59 - $35.61

Q2 2024

Shares 242,422 Value ($000) $8,189 Avg Close $35.31 Range $31.31 - $39.72

Q1 2024

Shares 243,922 Value ($000) $9,615 Avg Close $34.12 Range $31.23 - $37.84

Q4 2023

Shares 245,022 Value ($000) $8,858 Avg Close $36.44 Range $32.13 - $41.52

Q3 2023

Shares 246,322 Value ($000) $9,976 Avg Close $36.99 Range $30.51 - $40.86

Q2 2023

Shares 248,122 Value ($000) $8,186 Avg Close $29.68 Range $26.12 - $32.67

Q1 2023

Shares 248,222 Value ($000) $7,854 Avg Close $34.65 Range $26.81 - $40.56

Q4 2022

Shares 246,822 Value ($000) $9,712 Avg Close $32.98 Range $24.08 - $37.23

Q3 2022

Shares 245,422 Value ($000) $6,042 Avg Close $26.55 Range $21.69 - $29.99

Q2 2022

Shares 243,322 Value ($000) $7,631 Avg Close $34.51 Range $27.52 - $40.79

Q1 2022

Shares 226,622 Value ($000) $8,582 Avg Close $29.85 Range $21.20 - $36.41

Q4 2021

Shares 225,319 Value ($000) $5,153 Avg Close $21.79 Range $19.10 - $24.60

Q3 2021

Shares 223,619 Value ($000) $4,835 Avg Close $18.81 Range $16.35 - $22.18

Q2 2021

Shares 223,619 Value ($000) $5,170 Avg Close $20.36 Range $16.80 - $22.94

Q1 2021

Shares 223,019 Value ($000) $4,786 Avg Close $19.14 Range $15.75 - $22.65

Q4 2020

Shares 222,319 Value ($000) $4,202 Avg Close $14.16 Range $9.66 - $18.77

Q3 2020

Shares 224,119 Value ($000) $2,701 Avg Close $13.17 Range $10.57 - $15.35

Q2 2020

Shares 224,019 Value ($000) $2,908 Avg Close $9.78 Range $5.64 - $14.95

Q1 2020

Shares 201,179 Value ($000) $1,378 Avg Close $15.62 Range $3.85 - $22.82

Q4 2019

Shares 212,279 Value ($000) $5,194 Avg Close $18.78 Range $16.01 - $22.71

Q3 2019

Shares 210,579 Value ($000) $3,969 Avg Close $18.26 Range $14.93 - $21.19

Q2 2019

Shares 209,279 Value ($000) $4,759 Avg Close $22.70 Range $18.44 - $28.18

Q1 2019

Shares 251,479 Value ($000) $7,368 Avg Close $26.24 Range $22.56 - $28.37

Q4 2018

Shares 250,779 Value ($000) $6,666 Avg Close $29.13 Range $21.42 - $36.71

Q3 2018

Shares 262,179 Value ($000) $10,626 Avg Close $35.57 Range $30.83 - $40.38

Q2 2018

Shares 259,379 Value ($000) $11,688 Avg Close $42.64 Range $38.13 - $46.97

Q1 2018

Shares 256,879 Value ($000) $12,058 Avg Close $42.09 Range $37.81 - $49.30

Q4 2017

Shares 255,779 Value ($000) $12,500 Avg Close $37.45 Range $34.55 - $41.99

Q3 2017

Shares 263,379 Value ($000) $12,123 Avg Close $35.43 Range $32.25 - $39.18

Q2 2017

Shares 285,179 Value ($000) $12,180 Avg Close $38.67 Range $34.93 - $43.12

Q1 2017

Shares 284,779 Value ($000) $14,014 Avg Close $45.14 Range $39.97 - $49.28

Q4 2016

Shares 282,679 Value ($000) $15,290 Avg Close $41.70 Range $36.96 - $47.01

Q3 2016

Shares 300,507 Value ($000) $13,487 Avg Close $36.37 Range $33.52 - $39.02

Q2 2016

Shares 298,507 Value ($000) $13,519 Avg Close $34.14 Range $27.56 - $38.85

Q1 2016

Shares 295,507 Value ($000) $10,556 Avg Close $26.95 Range $22.78 - $30.44

Q4 2015

Shares 292,707 Value ($000) $9,964 Avg Close $30.98 Range $27.31 - $33.86

Q3 2015

Shares 308,507 Value ($000) $10,906 Avg Close $32.17 Range $25.25 - $35.69

Q2 2015

Shares 330,007 Value ($000) $14,213 Avg Close $37.52 Range $34.67 - $40.82

Q1 2015

Shares 327,807 Value ($000) $14,384 Avg Close $33.81 Range $30.18 - $36.38

Q4 2014

Shares 349,107 Value ($000) $13,730 Avg Close $39.28 Range $30.13 - $52.31

Q3 2014

Shares 348,707 Value ($000) $22,495 Avg Close $55.20 Range $50.84 - $59.79

Q2 2014

Shares 346,007 Value ($000) $24,570 Avg Close $51.48 Range $45.85 - $57.32

Q1 2014

Shares 347,307 Value ($000) $20,453 Avg Close $42.79 Range $38.10 - $48.14

Q4 2013

Shares 344,807 Value ($000) $17,499 Avg Close $41.29 Range $38.30 - $45.11

Q3 2013

Shares 343,907 Value ($000) $16,559 Avg Close $37.32 Range $33.32 - $40.31

Q2 2013

Shares 378,511 Value ($000) $15,791 Avg Close $33.21 Range $29.18 - $36.31

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	278,422	$7,868	$26.29	$21.32 - $29.67
Q3 2025	281,822	$6,933	$21.87	$19.81 - $25.52
Q2 2025	284,922	$5,807	$20.56	$18.31 - $25.17
Q1 2025	235,522	$5,975	$25.59	$22.91 - $29.52
Q4 2024	238,422	$6,483	$28.28	$24.77 - $31.46
Q3 2024	240,422	$6,984	$30.33	$26.59 - $35.61
Q2 2024	242,422	$8,189	$35.31	$31.31 - $39.72
Q1 2024	243,922	$9,615	$34.12	$31.23 - $37.84
Q4 2023	245,022	$8,858	$36.44	$32.13 - $41.52
Q3 2023	246,322	$9,976	$36.99	$30.51 - $40.86
Q2 2023	248,122	$8,186	$29.68	$26.12 - $32.67
Q1 2023	248,222	$7,854	$34.65	$26.81 - $40.56
Q4 2022	246,822	$9,712	$32.98	$24.08 - $37.23
Q3 2022	245,422	$6,042	$26.55	$21.69 - $29.99
Q2 2022	243,322	$7,631	$34.51	$27.52 - $40.79
Q1 2022	226,622	$8,582	$29.85	$21.20 - $36.41
Q4 2021	225,319	$5,153	$21.79	$19.10 - $24.60
Q3 2021	223,619	$4,835	$18.81	$16.35 - $22.18
Q2 2021	223,619	$5,170	$20.36	$16.80 - $22.94
Q1 2021	223,019	$4,786	$19.14	$15.75 - $22.65
Q4 2020	222,319	$4,202	$14.16	$9.66 - $18.77
Q3 2020	224,119	$2,701	$13.17	$10.57 - $15.35
Q2 2020	224,019	$2,908	$9.78	$5.64 - $14.95
Q1 2020	201,179	$1,378	$15.62	$3.85 - $22.82
Q4 2019	212,279	$5,194	$18.78	$16.01 - $22.71
Q3 2019	210,579	$3,969	$18.26	$14.93 - $21.19
Q2 2019	209,279	$4,759	$22.70	$18.44 - $28.18
Q1 2019	251,479	$7,368	$26.24	$22.56 - $28.37
Q4 2018	250,779	$6,666	$29.13	$21.42 - $36.71
Q3 2018	262,179	$10,626	$35.57	$30.83 - $40.38
Q2 2018	259,379	$11,688	$42.64	$38.13 - $46.97
Q1 2018	256,879	$12,058	$42.09	$37.81 - $49.30
Q4 2017	255,779	$12,500	$37.45	$34.55 - $41.99
Q3 2017	263,379	$12,123	$35.43	$32.25 - $39.18
Q2 2017	285,179	$12,180	$38.67	$34.93 - $43.12
Q1 2017	284,779	$14,014	$45.14	$39.97 - $49.28
Q4 2016	282,679	$15,290	$41.70	$36.96 - $47.01
Q3 2016	300,507	$13,487	$36.37	$33.52 - $39.02
Q2 2016	298,507	$13,519	$34.14	$27.56 - $38.85
Q1 2016	295,507	$10,556	$26.95	$22.78 - $30.44
Q4 2015	292,707	$9,964	$30.98	$27.31 - $33.86
Q3 2015	308,507	$10,906	$32.17	$25.25 - $35.69
Q2 2015	330,007	$14,213	$37.52	$34.67 - $40.82
Q1 2015	327,807	$14,384	$33.81	$30.18 - $36.38
Q4 2014	349,107	$13,730	$39.28	$30.13 - $52.31
Q3 2014	348,707	$22,495	$55.20	$50.84 - $59.79
Q2 2014	346,007	$24,570	$51.48	$45.85 - $57.32
Q1 2014	347,307	$20,453	$42.79	$38.10 - $48.14
Q4 2013	344,807	$17,499	$41.29	$38.30 - $45.11
Q3 2013	343,907	$16,559	$37.32	$33.32 - $40.31
Q2 2013	378,511	$15,791	$33.21	$29.18 - $36.31