Question 1

How many shares of PLUG does CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM own?

Accepted Answer

As of 2026-Q1, CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM holds 1.6M shares of PLUG (PLUG PWR INC).

Question 2

What is CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's PLUG position worth?

Accepted Answer

As of 2026-Q1, CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's PLUG position is worth $3.5M.

Question 3

Is CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM buying or selling PLUG?

Accepted Answer

In 2026-Q1, CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM increased their PLUG position (+45.6% change in shares).

Question 4

When did CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM first buy PLUG?

Accepted Answer

Based on available 13F filings, CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 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-Q1 Latest	Increased	1.6M	+45.6%	$3.5M	0.0%	$2.23	36
2025-Q4	Decreased	1.1M	-18.6%	$2.1M	0.0%	$1.94	0
2025-Q3	Increased	1.3M	+87.2%	$3.1M	0.0%	$2.27	41
2025-Q2	Increased	702,971	+0.0%	$1M	0.0%	$1.16	25
2025-Q1	Unchanged	702,871	0.0%	$948,876	0.0%	$1.34	0
2024-Q4	Decreased	702,871	-4.4%	$1.5M	0.0%	$2.28	0
2024-Q3	Increased	735,470	+16.2%	$1.7M	0.0%	$2.28	30