Question 1

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

Accepted Answer

As of 2026-Q1, CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM holds 150,840 shares of ENPH (ENPHASE ENERGY INC).

Question 2

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

Accepted Answer

As of 2026-Q1, CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's ENPH position is worth $5.7M.

Question 3

Is CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM buying or selling ENPH?

Accepted Answer

In 2026-Q1, CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM increased their ENPH position (+21.6% change in shares).

Question 4

When did CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM first buy ENPH?

Accepted Answer

Based on available 13F filings, CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM first reported a position in ENPH in 2024-Q3. They have held the position across 30 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q1 Latest	Increased	150,840	+21.6%	$5.7M	0.0%	$43.20	33
2025-Q4	Decreased	124,016	-3.5%	$4M	0.0%	$32.19	0
2025-Q3	Increased	128,554	0.0%	$4.5M	0.0%	$36.08	27
2025-Q2	Decreased	128,548	-0.2%	$5.1M	0.0%	$40.88	0
2025-Q1	Decreased	128,845	-42.9%	$8M	0.0%	$61.65	0
2024-Q4	Decreased	225,778	-2.3%	$15.5M	0.0%	$70.19	0
2024-Q3	Increased	231,074	+1.4%	$26.1M	0.0%	$115.00	29