GSA CAPITAL PARTNERS LLP

Position in ATOM — Atomera Inc

CIK 1362033 LONDON, X0

Position in ATOM

as of Jun 30, 2026 · filed Aug 6, 2026 Compact

Position Value

$622,373

+$410,693 QoQ

Shares Held

71,455

-25.4% QoQ

Ownership

0.183%

of shares outstanding

% of Portfolio

0.04%

of 13F equity value

Holder Rank

#34

of 121 holders

Holding Since

Sep 2021

14 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Technology · as of Jun 30, 2026

GSA CAPITAL PARTNERS LLP holds $10,848,739 across 14 Semiconductor Equipment & Materials names. ATOM ranks #9 (5.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	FORM	Formfactor Inc	7,797	$1,246,974
2	IPGP	Ipg Photonics Corp	10,390	$1,218,954
3	AMBA	Ambarella Inc	13,211	$1,133,503
4	VECO	Veeco Instruments Inc	12,627	$957,126
5	AXTI	Axt Inc	12,953	$933,652
6	AEHR	Aehr Test Systems	9,639	$925,922
7	ASYS	Amtech Systems Inc	37,814	$872,747
8	AMKR	Amkor Technology, Inc.	7,742	$667,592

14 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$622,373	71,455	-25.4%	Shares	Sole	2026-08-06
2025-12-31	$211,680	95,783	-2.5%	Shares	Sole	2026-02-06
2025-03-31	$392,756	98,189	+1.8%	Shares	Sole	2025-05-08
2024-12-31	$1,118,820	96,450	+47.4%	Shares	Sole	2025-02-07
2024-09-30	$172,075	65,428	+28.0%	Shares	Sole	2024-11-05
2024-06-30	$194,694	51,101	-64.1%	Shares	Sole	2024-08-15
2024-03-31	$878,052	142,541	+32.8%	Shares	Sole	2024-05-03
2023-12-31	$752,635	107,366	+360.0%	Shares	Sole	2024-02-16
2023-09-30	$146,120	23,342	+98.1%	Shares	Sole	2023-11-15
2023-06-30	$103,345	11,784	-58.6%	Shares	Sole	2023-08-14
2023-03-31	$181,366	28,472	+125.3%	Shares	Sole	2023-05-12
2022-12-31	$78,589	12,635	+10.5%	Shares	Sole	2023-02-13
2022-09-30	$115,877	11,439	-69.1%	Shares	Sole	2022-11-14
2021-09-30	$855,322	37,043	—	Shares	Sole	2021-11-12
No filing history on record for this holder in this stock.