Question 1

How many shares of PLUG does SEI INVESTMENTS CO own?

Accepted Answer

As of 2026-Q2, SEI INVESTMENTS CO holds 235,728 shares of PLUG (PLUG PWR INC).

Question 2

What is SEI INVESTMENTS CO's PLUG position worth?

Accepted Answer

As of 2026-Q2, SEI INVESTMENTS CO's PLUG position is worth $638,817.

Question 3

Is SEI INVESTMENTS CO buying or selling PLUG?

Accepted Answer

In 2026-Q2, SEI INVESTMENTS CO decreased their PLUG position (-10.2% change in shares).

Question 4

When did SEI INVESTMENTS CO first buy PLUG?

Accepted Answer

Based on available 13F filings, SEI INVESTMENTS CO first reported a position in PLUG in 2024-Q3. They have held the position across 30 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Decreased	235,728	-10.2%	$638,817	0.0%	$2.71	0
2026-Q1	Increased	262,503	+131.1%	$593,256	0.0%	$2.23	39
2025-Q4	Increased	113,600	+1.5%	$223,792	0.0%	$1.94	23
2025-Q3	Increased	111,966	+50.8%	$260,879	0.0%	$2.27	32
2025-Q2	Unchanged	74,240	0.0%	$110,620	0.0%	$1.16	0
2025-Q1	Decreased	74,240	-0.3%	$100,227	0.0%	$1.34	0
2024-Q4	Increased	74,442	+127.5%	$158,561	0.0%	$2.28	36
2024-Q3	Decreased	32,717	-2.0%	$73,944	0.0%	$2.28	0