WESTERN DIGITAL CORP

Ticker: WDC CUSIP: 958102105 Class: EQTY

MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC's Holding History (CIK: 0000922127)

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

Q4 2025

Shares 36,708 Value ($000) $6,324 Avg Close $151.55 Range $112.43 - $188.77

Q3 2025

Shares 37,600 Value ($000) $4,514 Avg Close $81.60 Range $62.82 - $122.49

Q2 2025

Shares 40,004 Value ($000) $2,560 Avg Close $47.46 Range $28.72 - $64.21

Q1 2025

Shares 40,442 Value ($000) $1,635 Avg Close $47.25 Range $38.95 - $54.41

Q4 2024

Shares 41,409 Value ($000) $2,469 Avg Close $50.08 Range $44.29 - $55.80

Q3 2024

Shares 40,204 Value ($000) $2,746 Avg Close $50.34 Range $39.73 - $60.52

Q2 2024

Shares 41,176 Value ($000) $3,120 Avg Close $55.25 Range $49.12 - $61.40

Q1 2024

Shares 42,511 Value ($000) $2,901 Avg Close $43.62 Range $36.87 - $52.17

Q4 2023

Shares 43,373 Value ($000) $2,271 Avg Close $34.87 Range $26.82 - $40.07

Q3 2023

Shares 44,763 Value ($000) $2,043 Avg Close $31.42 Range $27.45 - $35.31

Q2 2023

Shares 46,013 Value ($000) $1,745 Avg Close $27.71 Range $24.07 - $31.23

Q1 2023

Shares 45,689 Value ($000) $1,721 Avg Close $29.22 Range $23.31 - $34.06

Q4 2022

Shares 45,375 Value ($000) $1,432 Avg Close $26.28 Range $22.39 - $30.85

Q3 2022

Shares 43,364 Value ($000) $1,411 Avg Close $33.07 Range $23.76 - $38.36

Q2 2022

Shares 42,705 Value ($000) $1,914 Avg Close $40.01 Range $32.99 - $47.63

Q1 2022

Shares 41,769 Value ($000) $2,074 Avg Close $40.89 Range $33.02 - $52.23

Q4 2021

Shares 41,146 Value ($000) $2,683 Avg Close $43.29 Range $37.27 - $50.63

Q3 2021

Shares 40,208 Value ($000) $2,269 Avg Close $47.33 Range $41.77 - $54.33

Q2 2021

Shares 49,311 Value ($000) $3,509 Avg Close $53.87 Range $48.26 - $58.87

Q1 2021

Shares 48,649 Value ($000) $3,247 Avg Close $46.58 Range $36.61 - $54.95

Q4 2020

Shares 46,943 Value ($000) $2,600 Avg Close $33.07 Range $26.57 - $42.13

Q3 2020

Shares 48,681 Value ($000) $1,779 Avg Close $29.61 Range $25.25 - $35.68

Q2 2020

Shares 55,373 Value ($000) $2,445 Avg Close $32.27 Range $28.18 - $37.56

Q1 2020

Shares 92,715 Value ($000) $3,859 Avg Close $43.55 Range $20.36 - $53.51

Q4 2019

Shares 92,380 Value ($000) $5,863 Avg Close $40.69 Range $34.40 - $46.90

Q3 2019

Shares 48,799 Value ($000) $2,910 Avg Close $41.27 Range $34.56 - $47.73

Q2 2019

Shares 47,912 Value ($000) $2,278 Avg Close $32.78 Range $25.73 - $40.13

Q1 2019

Shares 47,767 Value ($000) $2,296 Avg Close $32.38 Range $25.03 - $38.16

Q4 2018

Shares 47,330 Value ($000) $1,750 Avg Close $33.07 Range $23.85 - $41.99

Q3 2018

Shares 46,438 Value ($000) $2,718 Avg Close $46.86 Range $37.47 - $56.00

Q2 2018

Shares 47,350 Value ($000) $3,665 Avg Close $58.47 Range $52.75 - $64.87

Q1 2018

Shares 46,830 Value ($000) $4,321 Avg Close $61.52 Range $53.81 - $73.88

Q4 2017

Shares 75,871 Value ($000) $6,034 Avg Close $58.49 Range $52.57 - $64.05

Q3 2017

Shares 86,014 Value ($000) $7,432 Avg Close $59.93 Range $53.45 - $65.37

Q2 2017

Shares 44,359 Value ($000) $3,930 Avg Close $59.68 Range $54.65 - $64.49

Q1 2017

Shares 43,982 Value ($000) $3,630 Avg Close $51.29 Range $46.27 - $57.21

Q4 2016

Shares 42,313 Value ($000) $2,875 Avg Close $40.87 Range $34.90 - $48.23

Q3 2016

Shares 39,568 Value ($000) $2,314 Avg Close $33.13 Range $28.62 - $40.10

Q2 2016

Shares 40,675 Value ($000) $1,922 Avg Close $28.61 Range $22.97 - $33.66

Q1 2016

Shares 49,725 Value ($000) $2,349 Avg Close $30.76 Range $25.11 - $39.62

Q4 2015

Shares 50,491 Value ($000) $3,032 Avg Close $43.55 Range $37.34 - $55.67

Q3 2015

Shares 50,602 Value ($000) $4,020 Avg Close $50.91 Range $43.42 - $56.60

Q2 2015

Shares 54,003 Value ($000) $4,235 Avg Close $60.27 Range $50.11 - $64.90

Q1 2015

Shares 54,046 Value ($000) $4,919 Avg Close $65.44 Range $57.41 - $72.02

Q4 2014

Shares 34,438 Value ($000) $3,812 Avg Close $62.96 Range $52.21 - $72.28

Q3 2014

Shares 33,831 Value ($000) $3,292 Avg Close $62.41 Range $58.43 - $64.97

Q2 2014

Shares 32,081 Value ($000) $2,961 Avg Close $55.43 Range $50.48 - $59.36

Q1 2014

Shares 22,238 Value ($000) $2,042 Avg Close $53.80 Range $50.34 - $57.78

Q4 2013

Shares 23,474 Value ($000) $1,969 Avg Close $45.88 Range $38.72 - $52.56

Q3 2013

Shares 22,572 Value ($000) $1,431 Avg Close $40.38 Range $36.69 - $43.65

Q2 2013

Shares 22,340 Value ($000) $1,387 Avg Close $35.69 Range $30.03 - $40.17

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	36,708	$6,324	$151.55	$112.43 - $188.77
Q3 2025	37,600	$4,514	$81.60	$62.82 - $122.49
Q2 2025	40,004	$2,560	$47.46	$28.72 - $64.21
Q1 2025	40,442	$1,635	$47.25	$38.95 - $54.41
Q4 2024	41,409	$2,469	$50.08	$44.29 - $55.80
Q3 2024	40,204	$2,746	$50.34	$39.73 - $60.52
Q2 2024	41,176	$3,120	$55.25	$49.12 - $61.40
Q1 2024	42,511	$2,901	$43.62	$36.87 - $52.17
Q4 2023	43,373	$2,271	$34.87	$26.82 - $40.07
Q3 2023	44,763	$2,043	$31.42	$27.45 - $35.31
Q2 2023	46,013	$1,745	$27.71	$24.07 - $31.23
Q1 2023	45,689	$1,721	$29.22	$23.31 - $34.06
Q4 2022	45,375	$1,432	$26.28	$22.39 - $30.85
Q3 2022	43,364	$1,411	$33.07	$23.76 - $38.36
Q2 2022	42,705	$1,914	$40.01	$32.99 - $47.63
Q1 2022	41,769	$2,074	$40.89	$33.02 - $52.23
Q4 2021	41,146	$2,683	$43.29	$37.27 - $50.63
Q3 2021	40,208	$2,269	$47.33	$41.77 - $54.33
Q2 2021	49,311	$3,509	$53.87	$48.26 - $58.87
Q1 2021	48,649	$3,247	$46.58	$36.61 - $54.95
Q4 2020	46,943	$2,600	$33.07	$26.57 - $42.13
Q3 2020	48,681	$1,779	$29.61	$25.25 - $35.68
Q2 2020	55,373	$2,445	$32.27	$28.18 - $37.56
Q1 2020	92,715	$3,859	$43.55	$20.36 - $53.51
Q4 2019	92,380	$5,863	$40.69	$34.40 - $46.90
Q3 2019	48,799	$2,910	$41.27	$34.56 - $47.73
Q2 2019	47,912	$2,278	$32.78	$25.73 - $40.13
Q1 2019	47,767	$2,296	$32.38	$25.03 - $38.16
Q4 2018	47,330	$1,750	$33.07	$23.85 - $41.99
Q3 2018	46,438	$2,718	$46.86	$37.47 - $56.00
Q2 2018	47,350	$3,665	$58.47	$52.75 - $64.87
Q1 2018	46,830	$4,321	$61.52	$53.81 - $73.88
Q4 2017	75,871	$6,034	$58.49	$52.57 - $64.05
Q3 2017	86,014	$7,432	$59.93	$53.45 - $65.37
Q2 2017	44,359	$3,930	$59.68	$54.65 - $64.49
Q1 2017	43,982	$3,630	$51.29	$46.27 - $57.21
Q4 2016	42,313	$2,875	$40.87	$34.90 - $48.23
Q3 2016	39,568	$2,314	$33.13	$28.62 - $40.10
Q2 2016	40,675	$1,922	$28.61	$22.97 - $33.66
Q1 2016	49,725	$2,349	$30.76	$25.11 - $39.62
Q4 2015	50,491	$3,032	$43.55	$37.34 - $55.67
Q3 2015	50,602	$4,020	$50.91	$43.42 - $56.60
Q2 2015	54,003	$4,235	$60.27	$50.11 - $64.90
Q1 2015	54,046	$4,919	$65.44	$57.41 - $72.02
Q4 2014	34,438	$3,812	$62.96	$52.21 - $72.28
Q3 2014	33,831	$3,292	$62.41	$58.43 - $64.97
Q2 2014	32,081	$2,961	$55.43	$50.48 - $59.36
Q1 2014	22,238	$2,042	$53.80	$50.34 - $57.78
Q4 2013	23,474	$1,969	$45.88	$38.72 - $52.56
Q3 2013	22,572	$1,431	$40.38	$36.69 - $43.65
Q2 2013	22,340	$1,387	$35.69	$30.03 - $40.17