Question 1

Does Sumitomo Mitsui DS Asset Management own WDC stock?

Accepted Answer

Yes. As of its Q3 2026 13F, Sumitomo Mitsui DS Asset Management holds 76,193 shares of WDC (Western Digital), worth $34.6M.

Question 2

How many shares of WDC does Sumitomo Mitsui DS Asset Management own?

Accepted Answer

As of its Q3 2026 13F, Sumitomo Mitsui DS Asset Management holds 76,193 shares of WDC (Western Digital).

Question 3

What is Sumitomo Mitsui DS Asset Management's WDC position worth?

Accepted Answer

As of its Q3 2026 13F, Sumitomo Mitsui DS Asset Management's WDC position is worth $34.6M.

Question 4

Is Sumitomo Mitsui DS Asset Management buying or selling WDC?

Accepted Answer

In Q3 2026, Sumitomo Mitsui DS Asset Management increased its WDC position by 3,103 shares (+4.3%).

Question 5

When did Sumitomo Mitsui DS Asset Management first buy WDC?

Accepted Answer

Sumitomo Mitsui DS Asset Management already held WDC in its Q1 2019 13F, the earliest on record, and has listed it in 31 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q3 Latest	Increased	76,193	+4.3%	$34.6M	0.2%	$454.46	36
2026-Q2	Decreased	73,090	-16.3%	$46.7M	0.3%	$638.52	0
2026-Q1	Decreased	87,304	-9.8%	$23.6M	0.2%	$270.33	0
2025-Q4	Increased	96,743	+5.8%	$16.7M	0.1%	$172.09	36
2025-Q3	Increased	91,447	+26.4%	$11M	0.1%	$119.84	34
2025-Q2	Decreased	72,365	-18.9%	$4.6M	0.0%	$63.80	0
2025-Q1	Increased	89,244	+6.8%	$3.6M	0.0%	$40.23	28
2024-Q4	Increased	83,533	+3.4%	$5M	0.1%	$44.85	28
2024-Q3	Increased	80,823	+7.0%	$5.5M	0.1%	$51.37	29
2024-Q2	Increased	75,513	+8.2%	$5.7M	0.1%	$56.99	29
2024-Q1	Increased	69,773	+21.6%	$4.8M	0.1%	$51.33	32
2023-Q4	Increased	57,364	+5.0%	$3M	0.0%	$39.39	28
2023-Q3	Increased	54,641	+3.4%	$2.5M	0.0%	$34.32	27
2023-Q2	Decreased	52,871	-4.7%	$2M	0.0%	$28.53	0
2023-Q1	Increased	55,476	+17.6%	$2.1M	0.0%	$28.33	30
2022-Q4	Increased	47,174	+7.9%	$1.5M	0.0%	$23.73	28
2022-Q3	Increased	43,705	+12.6%	$1.4M	0.0%	$24.48	29
2022-Q2	Increased	38,810	+1.5%	$1.7M	0.0%	$33.72	26
2022-Q1	Increased	38,243	+9.9%	$1.9M	0.0%	$37.35	28
2021-Q4	Increased	34,790	+25.6%	$2.3M	0.0%	$49.05	32
2021-Q3	Increased	27,708	+3.2%	$1.6M	0.0%	$42.45	26
2021-Q2	Decreased	26,840	-0.6%	$1.9M	0.0%	$53.53	0
2021-Q1	Decreased	27,007	-0.2%	$1.8M	0.0%	$50.21	0
2020-Q4	Increased	27,067	+0.9%	$1.5M	0.0%	$41.66	26
2020-Q3	Increased	26,821	+4.0%	$980,000	0.0%	$27.49	26
2020-Q2	Increased	25,799	+11.7%	$1.1M	0.0%	$33.21	28
2020-Q1	Increased	23,093	+3.7%	$961,000	0.0%	$30.90	26
2019-Q4	Increased	22,268	+1.1%	$1.4M	0.0%	$46.75	26
2019-Q3	Decreased	22,019	-4.9%	$1.3M	0.0%	$43.54	0
2019-Q2	Decreased	23,160	-96.1%	$1.1M	0.0%	$34.72	0
2019-Q1	First report	591,645	-	$28.4M	0.5%	$34.69	0