Question 1

How many shares of TGEN does JANE STREET GROUP, LLC own?

Accepted Answer

As of 2026-Q2, JANE STREET GROUP, LLC holds 49,087 shares of TGEN (TECOGEN INC NEW).

Question 2

What is JANE STREET GROUP, LLC's TGEN position worth?

Accepted Answer

As of 2026-Q2, JANE STREET GROUP, LLC's TGEN position is worth $256,234.

Question 3

Is JANE STREET GROUP, LLC buying or selling TGEN?

Accepted Answer

In 2026-Q2, JANE STREET GROUP, LLC decreased their TGEN position (-58.2% change in shares).

Question 4

When did JANE STREET GROUP, LLC first buy TGEN?

Accepted Answer

Based on available 13F filings, JANE STREET GROUP, LLC first reported a position in TGEN in 2025-Q3. They have held the position across 4 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Decreased	49,087	-58.2%	$256,234	0.0%	$5.22	0
2026-Q1	Decreased	117,342	-43.5%	$300,396	0.0%	$3.23	0
2025-Q4	Increased	207,607	+123.0%	$1M	0.0%	$4.92	40
2025-Q3	New	93,110	-	$820,300	0.0%	$8.21	34

TGEN4 quarters

TGEN
4 quarters