WESTERN DIGITAL CORP

Ticker: WDC CUSIP: 958102105 Class: EQTY

Quantbot Technologies LP's Holding History (CIK: 0001512991)

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

Q4 2025

Shares 15,986 Value ($000) $2,754 Avg Close $151.55 Range $112.43 - $188.77

Q3 2025

Shares 28,869 Value ($000) $3,466 Avg Close $81.60 Range $62.82 - $122.49

Q1 2025

Shares 60,116 Value ($000) $2,430 Avg Close $47.25 Range $38.95 - $54.41

Q2 2024

Shares 53,202 Value ($000) $4,031 Avg Close $55.25 Range $49.12 - $61.40

Q4 2023

Shares 117,231 Value ($000) $6,139 Avg Close $34.87 Range $26.82 - $40.07

Q2 2023

Shares 115,562 Value ($000) $4,383 Avg Close $27.71 Range $24.07 - $31.23

Q1 2023

Shares 100,013 Value ($000) $3,767 Avg Close $29.22 Range $23.31 - $34.06

Q3 2022

Shares 27,663 Value ($000) $900 Avg Close $33.07 Range $23.76 - $38.36

Q1 2022

Shares 8,496 Value ($000) $421 Avg Close $40.89 Range $33.02 - $52.23

Q4 2021

Shares 45,273 Value ($000) $2,952 Avg Close $43.29 Range $37.27 - $50.63

Q3 2021

Shares 932 Value ($000) $52 Avg Close $47.33 Range $41.77 - $54.33

Q2 2021

Shares 35,720 Value ($000) $2,542 Avg Close $53.87 Range $48.26 - $58.87

Q1 2021

Shares 11,266 Value ($000) $752 Avg Close $46.58 Range $36.61 - $54.95

Q3 2020

Shares 16,078 Value ($000) $587 Avg Close $29.61 Range $25.25 - $35.68

Q1 2020

Shares 1,438 Value ($000) $59 Avg Close $43.55 Range $20.36 - $53.51

Q4 2019

Shares 30,162 Value ($000) $1,914 Avg Close $40.69 Range $34.40 - $46.90

Q1 2019

Shares 9,955 Value ($000) $478 Avg Close $32.38 Range $25.03 - $38.16

Q2 2018

Shares 64,520 Value ($000) $4,994 Avg Close $58.47 Range $52.75 - $64.87

Q1 2018

Shares 33,056 Value ($000) $3,050 Avg Close $61.52 Range $53.81 - $73.88

Q4 2017

Shares 39,876 Value ($000) $3,171 Avg Close $58.49 Range $52.57 - $64.05

Q3 2017

Shares 11,498 Value ($000) $993 Avg Close $59.93 Range $53.45 - $65.37

Q2 2017

Shares 1,525 Value ($000) $135 Avg Close $59.68 Range $54.65 - $64.49

Q3 2016

Shares 8,067 Value ($000) $471 Avg Close $33.13 Range $28.62 - $40.10

Q4 2015

Shares 31,547 Value ($000) $1,894 Avg Close $43.55 Range $37.34 - $55.67

Q2 2015

Shares 47,230 Value ($000) $3,703 Avg Close $60.27 Range $50.11 - $64.90

Q1 2015

Shares 29,391 Value ($000) $2,674 Avg Close $65.44 Range $57.41 - $72.02

Q4 2014

Shares 7,124 Value ($000) $788 Avg Close $62.96 Range $52.21 - $72.28

Q4 2013

Shares 19,380 Value ($000) $1,625 Avg Close $45.88 Range $38.72 - $52.56

Q2 2013

Shares 7,403 Value ($000) $459 Avg Close $35.69 Range $30.03 - $40.17

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	15,986	$2,754	$151.55	$112.43 - $188.77
Q3 2025	28,869	$3,466	$81.60	$62.82 - $122.49
Q1 2025	60,116	$2,430	$47.25	$38.95 - $54.41
Q2 2024	53,202	$4,031	$55.25	$49.12 - $61.40
Q4 2023	117,231	$6,139	$34.87	$26.82 - $40.07
Q2 2023	115,562	$4,383	$27.71	$24.07 - $31.23
Q1 2023	100,013	$3,767	$29.22	$23.31 - $34.06
Q3 2022	27,663	$900	$33.07	$23.76 - $38.36
Q1 2022	8,496	$421	$40.89	$33.02 - $52.23
Q4 2021	45,273	$2,952	$43.29	$37.27 - $50.63
Q3 2021	932	$52	$47.33	$41.77 - $54.33
Q2 2021	35,720	$2,542	$53.87	$48.26 - $58.87
Q1 2021	11,266	$752	$46.58	$36.61 - $54.95
Q3 2020	16,078	$587	$29.61	$25.25 - $35.68
Q1 2020	1,438	$59	$43.55	$20.36 - $53.51
Q4 2019	30,162	$1,914	$40.69	$34.40 - $46.90
Q1 2019	9,955	$478	$32.38	$25.03 - $38.16
Q2 2018	64,520	$4,994	$58.47	$52.75 - $64.87
Q1 2018	33,056	$3,050	$61.52	$53.81 - $73.88
Q4 2017	39,876	$3,171	$58.49	$52.57 - $64.05
Q3 2017	11,498	$993	$59.93	$53.45 - $65.37
Q2 2017	1,525	$135	$59.68	$54.65 - $64.49
Q3 2016	8,067	$471	$33.13	$28.62 - $40.10
Q4 2015	31,547	$1,894	$43.55	$37.34 - $55.67
Q2 2015	47,230	$3,703	$60.27	$50.11 - $64.90
Q1 2015	29,391	$2,674	$65.44	$57.41 - $72.02
Q4 2014	7,124	$788	$62.96	$52.21 - $72.28
Q4 2013	19,380	$1,625	$45.88	$38.72 - $52.56
Q2 2013	7,403	$459	$35.69	$30.03 - $40.17