Granahan Investment Management, LLC

Position in ENPH — Enphase Energy, Inc.

CIK 1026710 WALTHAM, MA

Position in ENPH

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$2,646,650

+$2,445,418 QoQ

Shares Held

53,750

+1734.5% QoQ

Ownership

0.041%

of shares outstanding

% of Portfolio

0.09%

of 13F equity value

Holder Rank

#152

of 532 holders

Holding Since

Mar 2020

18 quarters on record

Voting authority Sole 94% Shared 0% None 6%

Technology · as of Jun 30, 2026

Granahan Investment Management, LLC holds $61,732,703 across 2 Solar names. ENPH ranks #2 (4.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)	Open
1	NXT	Nextpower Inc.	495,938	$59,086,053
2	ENPH	Enphase Energy, Inc. This page	53,750	$2,646,650

18 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$2,646,650	53,750	+1734.5%	Shares	Sole	2026-08-14
2024-12-31	$201,232	2,930	+25.7%	Shares	Sole	2025-02-14
2024-09-30	$263,449	2,331	-98.1%	Shares	Sole	2024-11-14
2023-09-30	$14,839,245	123,506	-61.1%	Shares	Sole	2023-11-14
2023-06-30	$53,219,617	317,767	+33.6%	Shares	Sole	2023-08-14
2023-03-31	$49,998,275	237,770	-32.8%	Shares	Sole	2023-05-15
2022-12-31	$93,742,848	353,800	-14.5%	Shares	Sole	2023-02-14
2022-09-30	$114,778,795	413,662	-32.8%	Shares	Sole	2022-11-14
2022-06-30	$120,134,686	615,318	-9.3%	Shares	Sole	2022-08-15
2022-03-31	$136,875,041	678,338	+29.7%	Shares	Sole	2022-05-16
2021-12-31	$95,703,780	523,143	-35.5%	Shares	Sole	2022-02-14
2021-09-30	$121,676,809	811,341	-12.5%	Shares	Sole	2021-11-15
2021-06-30	$170,276,793	927,282	-16.1%	Shares	Sole	2021-08-16
2021-03-31	$179,138,638	1,104,703	-17.7%	Shares	Sole	2021-05-17
2020-12-31	$235,657,964	1,343,010	-12.2%	Shares	Sole	2021-02-12
2020-09-30	$126,392,514	1,530,361	+33.0%	Shares	Sole	2020-11-12
2020-06-30	$54,730,379	1,150,523	-24.4%	Shares	Sole	2020-08-14
2020-03-31	$49,160,168	1,522,458	—	Shares	Sole	2020-05-12
No filing history on record for this holder in this stock.