Question 1

Does Vanguard Group own QMCO stock?

Accepted Answer

As of its last 13F, for Q4 2025, Vanguard Group held 625,538 shares of QMCO (Quantum), worth $4M.

Question 2

How many shares of QMCO does Vanguard Group own?

Accepted Answer

As of its last 13F, for Q4 2025, Vanguard Group held 625,538 shares of QMCO (Quantum).

Question 3

What is Vanguard Group's QMCO position worth?

Accepted Answer

As of its last 13F, for Q4 2025, Vanguard Group's QMCO position was worth $4M.

Question 4

Is Vanguard Group buying or selling QMCO?

Accepted Answer

In Q4 2025, Vanguard Group increased its QMCO position by 321,941 shares (+106.0%).

Question 5

When did Vanguard Group first buy QMCO?

Accepted Answer

Vanguard Group already held QMCO in its Q3 2024 13F, the earliest on record, and listed it in 6 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2025-Q4 Latest	Increased	625,538	+106.0%	$4M	0.0%	$6.45	43
2025-Q3	Increased	303,597	+18.3%	$3M	0.0%	$9.92	21
2025-Q2	Increased	256,678	+0.9%	$2.6M	0.0%	$9.97	18
2025-Q1	Increased	254,446	+5.1%	$3.7M	0.0%	$14.38	28
2024-Q4	Decreased	242,184	-1.5%	$13.1M	0.0%	$53.92	0
2024-Q3	First report	245,895	—	$860,633	0.0%	$3.50	0