Does Ruane, Cunniff & Goldfarb own MU stock?

Yes. As of its Q2 2026 13F, Ruane, Cunniff & Goldfarb holds 2,162 shares of MU (Micron Technology), worth $2.5M.

How many shares of MU does Ruane, Cunniff & Goldfarb own?

As of its Q2 2026 13F, Ruane, Cunniff & Goldfarb holds 2,162 shares of MU (Micron Technology).

As of its Q2 2026 13F, Ruane, Cunniff & Goldfarb's MU position is worth $2.5M.

Ruane, Cunniff & Goldfarb first reported MU in its Q1 2021 13F and has listed it in 20 quarterly 13F filings.

21 quarters

Position history for RCRuane, Cunniff & Goldfarb L.P.'s holdings in Micron Technology, Inc.

Current Value

$2.5M

Current Shares

2,162

Total Value Change

-$467.2M

Total Shares Change

-5.3M

Quarter-by-Quarter History

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Unchanged	2,162	0.0%	$2.5M	0.0%	$1,153.93	0
2026-Q1	Unchanged	2,162	0.0%	$730,410	0.0%	$337.73	0
2025-Q4	Unchanged	2,162	0.0%	$617,056	0.0%	$285.20	0
2025-Q3	Unchanged	2,162	0.0%	$361,746	0.0%	$167.03	0
2025-Q2	New	2,162	-	$266,467	0.0%	$122.92	33
2024-Q4	Exited	0	-100.0%	$0	0.0%	$83.82	0
2024-Q3	Unchanged	2,162	0.0%	$224,221	0.0%	$103.05	0
2024-Q2	Decreased	2,162	-31.6%	$284,368	0.0%	$130.57	0
2024-Q1	Unchanged	3,162	0.0%	$372,768	0.0%	$117.03	0
2023-Q4	Decreased	3,162	-53.5%	$269,845	0.0%	$84.64	0
2023-Q3	Decreased	6,808	-2.5%	$463,148	0.0%	$67.27	0
2023-Q2	Decreased	6,981	-99.8%	$440,571	0.0%	$62.29	0
2023-Q1	Decreased	4.7M	-2.1%	$281.4M	4.6%	$59.43	0
2022-Q4	Decreased	4.8M	-3.1%	$238.2M	3.7%	$49.23	0
2022-Q3	Decreased	4.9M	-34.3%	$246.5M	3.7%	$49.13	0
2022-Q2	Decreased	7.5M	-2.9%	$413.8M	5.4%	$54.10	0
2022-Q1	Decreased	7.7M	-0.9%	$600.2M	5.9%	$76.13	0
2021-Q4	Decreased	7.8M	-3.3%	$724.5M	6.2%	$91.04	0
2021-Q3	Decreased	8M	-1.3%	$570.8M	5.1%	$69.30	0
2021-Q2	Increased	8.1M	+53.0%	$692.5M	6.1%	$82.85	87
2021-Q1	New	5.3M	-	$469.7M	4.4%	$86.00	88