Western Digital Ownership | Who Owns Western Digital?

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Western Digital Ownership Summary

Western Digital is owned by 90.98% institutional investors, 0.56% insiders, and 8.47% retail investors. Vanguard group is the largest institutional shareholder, holding 12.28% of WDC shares. Vanguard US Total Market Shares ETF is the top mutual fund, with 3.14% of its assets in Western Digital shares.

WDC Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Western Digital	90.98%	0.56%	8.47%
Sector	Technology Stocks	36.93%	14.89%	48.18%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Vanguard group	42.35M	12.28%	$7.30B
Blackrock funding, inc. /de	35.77M	10.37%	$9.68B
Fmr	31.62M	9.17%	$8.55B
Blackrock	28.09M	8.62%	$2.13B
Jpmorgan chase	17.51M	5.08%	$4.41B
State street	15.47M	4.48%	$4.18B
Capital world investors	11.88M	3.44%	$3.21B
Geode capital management	9.48M	2.75%	$2.56B
Morgan stanley	7.94M	2.30%	$2.15B
Wcm investment management	6.56M	1.90%	$1.65B

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Central asset investments & management (hk)	73.56K	18.50%	$19.90M
Maple rock capital partners	1.40M	12.32%	$378.80M
Cavalry management group	9.18K	9.61%	$695.87K
Amanah trust	315.00K	9.38%	$85.20M
Talos eurisko asset management lp	173.79K	8.03%	$47.01M
Collaborative management lp	49.00K	7.54%	$3.71M
Aigh capital management	300.00K	7.08%	$22.73M
Trivest advisors	345.00K	6.72%	$93.32M
Rivermont capital management lp	115.67K	6.59%	$31.29M
Grand alliance asset management	36.00K	5.90%	$9.74M

Top Buyers

Holder	Shares	% Assets	Change
Capital world investors	11.88M	0.44%	10.82M
Norges bank	4.58M	0.08%	4.58M
Capital research global investors	3.31M	0.14%	3.31M
Jpmorgan chase	17.51M	0.28%	3.22M
Vanguard fiduciary trust	1.91M	0.13%	1.91M

Top Sellers

Holder	Shares	% Assets	Change
Impactive capital lp	-	-	-3.57M
D. e. shaw	2.69M	0.44%	-3.01M
Ameriprise financial	5.76M	0.36%	-2.76M
59 north capital management, lp	-	-	-2.54M
Nuveen asset management	984.64K	0.02%	-2.35M

New Positions

Holder	Shares	% Assets	Change	Value
Norges bank	4.58M	0.08%	4.58M	$788.73M
Capital research global investors	3.31M	0.14%	3.31M	$895.13M
Vanguard fiduciary trust	1.91M	0.13%	1.91M	$516.18M
Vanguard global advisers	745.16K	0.11%	745.16K	$201.56M
Vanguard asset management	588.39K	0.14%	588.39K	$159.15M

Sold Out

Holder	Change
Mendota financial group	-1.00
Cgc financial services	-1.00
Synergy asset management	-1.00
Financial gravity asset management	-1.00
Pinpoint asset management (singapore) pte.	-1.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Mar 31, 2026	1,457	16.75%	313,876,883	-6.01%	90	0.97%	780	9.70%	483	33.43%
Dec 31, 2025	516	-50.43%	84,335,486	-75.60%	24	0.25%	313	-51.25%	138	-42.50%
Sep 30, 2025	492	-38.96%	89,935,211	-73.76%	25	0.26%	323	-32.29%	99	-49.75%
Jun 30, 2025	809	11.74%	364,416,435	3.93%	105	1.02%	474	27.08%	198	-4.81%
Mar 31, 2025	718	-9.00%	351,022,287	4.59%	101	1.08%	365	-6.41%	209	-4.57%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard US Total Market Shares ETF	10.91M	3.14%	590.49K
Vanguard Total Stock Mkt Idx Inv	10.80M	3.13%	32.52K
Vanguard Institutional 500 Index Trust	9.90M	2.84%	72.25K
Vanguard 500 Index Investor	8.79M	2.55%	158.25K
Invesco QQQ Trust	7.26M	2.14%	53.35K
Vanguard Mid Cap Index Institutional	7.34M	2.13%	16.44K
Fidelity Global Technology A-Dis-EUR	5.00M	1.44%	-4.34M
Fidelity 500 Index	4.33M	1.28%	-21.32K
iShares Core S&P 500 ETF	4.39M	1.27%	12.87K
SPDR® S&P 500 ETF	4.30M	1.24%	-62.47K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Jun 01, 2026	Gubbi Vidyadhara K	Chief of Global Operations	Sell	$1.38M
May 28, 2026	KIDDOO BRUCE E	-	Sell	$396.39K
May 27, 2026	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Sell	$115.48K
May 22, 2026	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Sell	$150.49K
May 21, 2026	Tregillis Cynthia L	Chief Legal Officer & Corp Sec	Sell	$48.64K

Insider Transactions Trends

Date	Buy	Sell
2026 Q2	-	34
2026 Q1	-	64
2025 Q4	-	32
2025 Q3	-	9
2025 Q2	-	3

WDC Ownership FAQ

Who owns the most shares of Western Digital?

Western Digital’s largest shareholders are Vanguard group (42.35M shares, 12.28%), Blackrock funding, inc. /de (35.77M shares, 10.37%), and Fmr (31.62M shares, 9.17%). Together, they hold 31.81% of Western Digital’s total shares outstanding.

Does Blackrock own Western Digital?

Yes, BlackRock owns 8.62% of Western Digital, totaling 28.09M shares as of Jun 2024. This represents 0.05% of BlackRock's total assets, with a market value of 2.13B$. In the last quarter, BlackRock increased its holdings by 619.56K shares, a 2.26% change.

Who is Western Digital’s biggest shareholder by percentage of total assets invested?

Central asset investments & management (hk) is Western Digital’s biggest shareholder by percentage of total assets invested, with 18.50% of its assets in 73.56K Western Digital shares, valued at 19.9M$.

Who is the top mutual fund holder of Western Digital shares?

Vanguard US Total Market Shares ETF is the top mutual fund holder of Western Digital shares, with 3.14% of its total shares outstanding invested in 10.91M Western Digital shares.

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