Question 1

Does Mairs & Power own PLUG stock?

Accepted Answer

Yes. As of its Q2 2026 13F, Mairs & Power holds 10,000 shares of PLUG (Plug Power), worth $27,100.

Question 2

How many shares of PLUG does Mairs & Power own?

Accepted Answer

As of its Q2 2026 13F, Mairs & Power holds 10,000 shares of PLUG (Plug Power).

Question 3

What is Mairs & Power's PLUG position worth?

Accepted Answer

As of its Q2 2026 13F, Mairs & Power's PLUG position is worth $27,100.

Question 4

When did Mairs & Power first buy PLUG?

Accepted Answer

Mairs & Power first reported PLUG in its Q2 2019 13F and has listed it in 28 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price
2026-Q2 Latest	Unchanged	10,000	0.0%	$27,100	0.0%	$2.71
2026-Q1	Unchanged	10,000	0.0%	$22,600	0.0%	$2.26
2025-Q4	Unchanged	10,000	0.0%	$19,700	0.0%	$1.97
2025-Q3	Unchanged	10,000	0.0%	$23,300	0.0%	$2.33
2025-Q2	Unchanged	10,000	0.0%	$14,900	0.0%	$1.49
2025-Q1	Unchanged	10,000	0.0%	$13,500	0.0%	$1.35
2024-Q4	Unchanged	10,000	0.0%	$21,300	0.0%	$2.13
2024-Q3	Unchanged	10,000	0.0%	$22,600	0.0%	$2.26