Question 1

Does Vanguard Group own OPTT stock?

Accepted Answer

As of its last 13F, for Q4 2025, Vanguard Group held 6,935,047 shares of OPTT (Ocean Power Technologies), worth $2.1M.

Question 2

How many shares of OPTT does Vanguard Group own?

Accepted Answer

As of its last 13F, for Q4 2025, Vanguard Group held 6,935,047 shares of OPTT (Ocean Power Technologies).

Question 3

What is Vanguard Group's OPTT position worth?

Accepted Answer

As of its last 13F, for Q4 2025, Vanguard Group's OPTT position was worth $2.1M.

Question 4

When did Vanguard Group first buy OPTT?

Accepted Answer

Vanguard Group already held OPTT 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	Unchanged	6.9M	0.0%	$2.1M	0.0%	$0.30	0
2025-Q3	Increased	6.9M	+8.6%	$3.5M	0.0%	$0.50	29
2025-Q2	Increased	6.4M	+2.1%	$3M	0.0%	$0.47	18
2025-Q1	Increased	6.3M	+93.7%	$2.9M	0.0%	$0.46	42
2024-Q4	Increased	3.2M	+83.6%	$3.3M	0.0%	$1.02	41
2024-Q3	First report	1.8M	-	$274,516	0.0%	$0.16	0

OPTT6 quarters

OPTT
6 quarters