What does CUSIP 958102105 represent in this 13F holders report?

CUSIP 958102105 is the security identifier for WDC - WESTERN DIGITAL CORP - COMMON STOCK used to aggregate holder disclosures.

How many institutions held WDC - WESTERN DIGITAL CORP - COMMON STOCK in Q3 2023?

529 institutional investors reported WDC - WESTERN DIGITAL CORP - COMMON STOCK for Q3 2023. Use the holders table for investor-level position and value details.

WESTERN DIGITAL CORP - COMMON STOCK (WDC)

CUSIP: 958102105

Q3 2023 13F Holders as of 30 Sep 2023

Security type / class: Equity / COMMON STOCK
Total 13F shares: 278,402,284
Total 13F value: $12,698,222,739
Share change: +8,865,983
Put/Call ratio: 104%
SEC-reported price per share: $45.63
Number of holders: 529
Value change: +$450,082,597
Number of buys: 221
Number of sells: 271
Shares outstanding: 366,129,380

Security key

958102105

Report period

Q3 2023

Institutions

529

Top holders

WDC full security history Ownership snapshot Full 13F holder table WESTERN DIGITAL CORP SEC filings WESTERN DIGITAL CORP company facts WESTERN DIGITAL CORP 13D/G history

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Ownership snapshot

Top reported holders of WDC - WESTERN DIGITAL CORP - COMMON STOCK (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

VANGUARD GROUP INC

Disclosed value leader

VANGUARD GROUP INC

Comparable rows

15/15

Latest evidence

30 Jun 2023

13F Lead comparable stake: 11% Showing 1-6 of 15 holder rows.

Quick read

VANGUARD GROUP INC leads the comparable SEC ownership view at 11%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens VANGUARD GROUP INC's linked filing trail.

Comparable ownership Top 5

VANGUARD GROUP INC 11%

BlackRock Finance, Inc. 7.2%

PRICE T ROWE ASSOCIATES INC /MD/ 6.6%

STATE STREET CORP 3.5%

NOMURA HOLDINGS INC 3.4%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
VANGUARD GROUP INC	13F Company 13F	11%	$1,460,982,961 38,517,874 shares	—	30 Jun 2023
BlackRock Finance, Inc.	13F Company 13F	7.2%	$1,001,810,438 26,412,086 shares	—	30 Jun 2023
PRICE T ROWE ASSOCIATES INC /MD/	13F Company 13F	6.6%	$911,438,000 24,029,443 shares	—	30 Jun 2023
STATE STREET CORP	13F Company 13F	3.5%	$486,255,621 12,819,816 shares	—	30 Jun 2023
NOMURA HOLDINGS INC	13F Company 13F	3.4%	$473,784,692 12,491,028 shares	—	30 Jun 2023
VICTORY CAPITAL MANAGEMENT INC	13F Company 13F	2.7%	$368,224,629 9,708,005 shares	—	30 Jun 2023

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q3 2023

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

529

278,402,284

Rows available

529

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q3 2023 vs Q2 2023 Across Filers

Q2 2023 holders

528

Q3 2023 holders

529

Holder diff

Investor	Q2 2023 Shares	Q3 2023 Shares	Share Diff	Share Chg %	Q2 2023 value	Q3 2023 value	Value change	Value Chg %