ARDSLEY ADVISORY PARTNERS LP

Position in ENPH — Enphase Energy, Inc.

CIK 900529 Norwalk, CT

Back to ENPH Full portfolio

Position in ENPH

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

Position Value

$3,213,850

+$2,011,975 QoQ

Shares Held

85,000

+126.7% QoQ

Ownership

0.064%

of shares outstanding

% of Portfolio

0.51%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

5 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in ENPH Over Time

Shares Held

Position Value (USD)

Derivatives in ENPH

reported options exposure · as of Mar 31, 2020

CallValue

$726,525

CallShares

22,500

PutValue

PutShares

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Solar

Technology · as of Mar 31, 2026

ARDSLEY ADVISORY PARTNERS LP holds $35,417,450 across 5 Solar names. ENPH ranks #3 (9.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	RUN	Sunrun Inc.	1,135,000	$15,390,600
2	SHLS	Shoals Technologies Group, Inc.	2,260,000	$14,870,800
3	ENPH	Enphase Energy, Inc. This page	85,000	$3,213,850
4	SPWR	SunPower Inc.	960,000	$1,219,200
5	ARRY	Array Technologies, Inc.	100,000	$723,000

All Filings in ENPH

Export CSV

6 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$3,213,850	85,000	+126.7%	Shares	Sole	2026-05-15
2025-12-31	$1,201,875	37,500	+7.1%	Shares	Sole	2026-02-17
2024-12-31	$2,403,800	35,000	+600.0%	Shares	Sole	2025-02-14
2024-06-30	$498,550	5,000	-50.0%	Shares	Sole	2024-08-14
2020-03-31	$322,900	10,000	-55.6%	Shares	Sole	2020-05-15
2020-03-31	$726,525	22,500	—	Call	Sole	2020-05-15
No filing history on record for this holder in this stock.