Question 1

How many shares of TGEN does CITADEL ADVISORS LLC own?

Accepted Answer

As of 2026-Q2, CITADEL ADVISORS LLC holds 242,276 shares of TGEN (TECOGEN INC NEW).

Question 2

What is CITADEL ADVISORS LLC's TGEN position worth?

Accepted Answer

As of 2026-Q2, CITADEL ADVISORS LLC's TGEN position is worth $1.3M.

Question 3

Is CITADEL ADVISORS LLC buying or selling TGEN?

Accepted Answer

In 2026-Q2, CITADEL ADVISORS LLC increased their TGEN position (+64.3% change in shares).

Question 4

When did CITADEL ADVISORS LLC first buy TGEN?

Accepted Answer

Based on available 13F filings, CITADEL ADVISORS LLC first reported a position in TGEN in 2019-Q1. They have held the position across 8 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Increased	242,276	+64.3%	$1.3M	0.0%	$5.22	37
2026-Q1	Increased	147,472	+201.5%	$377,528	0.0%	$3.23	38
2025-Q4	Decreased	48,920	-77.1%	$241,665	0.0%	$4.92	0
2025-Q3	New	213,708	-	$1.9M	0.0%	$8.21	36
2019-Q4	Exited	0	-100.0%	$0	0.0%	$2.09	0
2019-Q3	Decreased	10,445	-51.9%	$25,000	0.0%	$2.31	0
2019-Q2	Decreased	21,730	-32.6%	$81,000	0.0%	$3.75	0
2019-Q1	New	32,252	-	$129,000	0.0%	$3.99	31

TGEN8 quarters

TGEN
8 quarters