ARDSLEY ADVISORY PARTNERS LP

Position in VECO — Veeco Instruments Inc

CIK 900529 Norwalk, CT

Position in VECO

as of Jun 30, 2026 · filed Jul 13, 2026 Compact

Position Value

$2,804,600

+$1,976,350 QoQ

Shares Held

37,000

+48.0% QoQ

Ownership

0.061%

of shares outstanding

% of Portfolio

0.31%

of 13F equity value

Holder Rank

of 19 holders

Holding Since

Sep 2024

2 quarters on record

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

Technology · as of Jun 30, 2026

ARDSLEY ADVISORY PARTNERS LP holds $29,401,922 across 6 Semiconductor Equipment & Materials names. VECO ranks #5 (9.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ONTO	Onto Innovation Inc.	31,500	$11,921,175
2	CAMT	Camtek Ltd	37,000	$6,035,440
3	LRCX	Lam Research Corp	10,000	$4,333,300
4	COHU	Cohu Inc	41,700	$3,082,047
5	VECO	Veeco Instruments Inc This page	37,000	$2,804,600
6	AXTI	Axt Inc	17,000	$1,225,360

2 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$2,804,600	37,000	+48.0%	Shares	Sole	2026-07-13
2024-09-30	$828,250	25,000	—	Shares	Sole	2024-11-14
No filing history on record for this holder in this stock.