Question 1

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

Accepted Answer

As of 2026-Q1, CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM holds 10,694 shares of IESC (IES HOLDINGS INC).

Question 2

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

Accepted Answer

As of 2026-Q1, CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's IESC position is worth $5.1M.

Question 3

Is CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM buying or selling IESC?

Accepted Answer

In 2026-Q1, CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM increased their IESC position (+28.8% change in shares).

Question 4

When did CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM first buy IESC?

Accepted Answer

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

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q1 Latest	Increased	10,694	+28.8%	$5.1M	0.0%	$487.57	34
2025-Q4	Decreased	8,305	-0.1%	$3.2M	0.0%	$394.40	0
2025-Q3	Increased	8,313	+0.0%	$3.3M	0.0%	$390.89	26
2025-Q2	Decreased	8,312	-0.5%	$2.5M	0.0%	$291.73	0
2025-Q1	Unchanged	8,351	0.0%	$1.4M	0.0%	$166.67	0
2024-Q4	Decreased	8,351	-2.3%	$1.7M	0.0%	$203.38	0
2024-Q3	Decreased	8,551	-3.1%	$1.7M	0.0%	$199.70	0