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 Q2 2020?

590 institutional investors reported WDC - WESTERN DIGITAL CORP - Common Stock for Q2 2020. Use the holders table for investor-level position and value details.

WESTERN DIGITAL CORP - Common Stock (WDC)

CUSIP: 958102105

Q2 2020 13F Holders as of 30 Jun 2020

Security type / class: Equity / Common Stock
Total 13F shares: 237,021,681
Total 13F value: $10,456,943,596
Share change: -4,560,833
Put/Call ratio: 140%
SEC-reported price per share: $44.15
Number of holders: 590
Value change: -$185,522,175
Number of buys: 285
Number of sells: 303
Shares outstanding: 366,563,167

Security key

958102105

Report period

Q2 2020

Institutions

590

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

31 Mar 2020

13F Lead comparable stake: 9.8% Showing 1-6 of 15 holder rows.

Quick read

VANGUARD GROUP INC leads the comparable SEC ownership view at 9.8%.

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 9.8%

BlackRock Finance, Inc. 7%

STATE STREET CORP 3.4%

Clearbridge Investments, LLC 2.9%

FMR LLC 2.4%

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	9.8%	$1,493,801,000 35,891,413 shares	—	31 Mar 2020
BlackRock Finance, Inc.	13F Company 13F	7%	$1,061,470,000 25,503,794 shares	—	31 Mar 2020
STATE STREET CORP	13F Company 13F	3.4%	$516,271,000 12,404,386 shares	—	31 Mar 2020
Clearbridge Investments, LLC	13F Company 13F	2.9%	$446,590,000 10,730,178 shares	—	31 Mar 2020
FMR LLC	13F Company 13F	2.4%	$366,265,000 8,800,182 shares	—	31 Mar 2020
AMERIPRISE FINANCIAL INC	13F Company 13F	2.2%	$336,822,000 8,096,267 shares	—	31 Mar 2020

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 Q2 2020

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

Institutions

590

237,021,681

Rows available

590

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 Q2 2020 vs Q1 2020 Across Filers

Q1 2020 holders

596

Q2 2020 holders

590

Holder diff

-6

Investor	Q1 2020 Shares	Q2 2020 Shares	Share Diff	Share Chg %	Q1 2020 value	Q2 2020 value	Value change	Value Chg %