Granahan Investment Management, LLC

Position in TGEN — Tecogen Inc.

CIK 1026710 WALTHAM, MA

Position in TGEN

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$226,549

-$651,891 QoQ

Shares Held

88,496

-50.2% QoQ

Ownership

0.293%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Sep 2025

3 quarters on record

Voting authority Sole 93% Shared 0% None 7%

Industrials · as of Jun 30, 2026

Granahan Investment Management, LLC holds $107,700,247 across 4 Electrical Equipment & Parts names.

#	Ticker	Company	Shares	Value (USD)
1	FPS	Forgent Power Solutions, Inc.	1,807,608	$100,972,982
2	AEIS	Advanced Energy Industries Inc	15,412	$5,746,672
3	ELVA	Electrovaya Inc.	47,200	$495,600
4	ENVX	Enovix Corp	79,900	$484,993

3 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$226,549	88,496	-50.2%	Shares	Sole	2026-05-15
2025-12-31	$878,440	177,822	+58.3%	Shares	Sole	2026-02-17
2025-09-30	$989,697	112,338	—	Shares	Sole	2025-11-14
No filing history on record for this holder in this stock.