GSA CAPITAL PARTNERS LLP

Position in ATI — Ati Inc

CIK 1362033 LONDON, X0

Position in ATI

as of Mar 31, 2026 · filed May 8, 2026 Compact

Position Value

$457,762

-$392,928 QoQ

Shares Held

3,147

-80.8% QoQ

Ownership

0.002%

of shares outstanding

% of Portfolio

0.03%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

13 quarters on record

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

Industrials · as of Mar 31, 2026

GSA CAPITAL PARTNERS LLP holds $5,846,229 across 8 Metal Fabrication names. ATI ranks #4 (7.8% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	PRLB	Proto Labs Inc	46,960	$2,677,659
2	IIIN	Insteel Industries Inc	37,252	$1,252,039
3	MLI	Mueller Industries Inc	6,592	$730,393
4	ATI	Ati Inc This page	3,147	$457,762
5	TG	Tredegar Corp	40,917	$325,290
6	WOR	Worthington Enterprises, Inc.	5,002	$260,804
7	AP	Ampco Pittsburgh Corp	18,657	$125,375
8	MTEN	Mingteng International Corp Inc.	13,746	$16,907

13 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$457,762	3,147	-80.8%	Shares	Sole	2026-05-08
2025-03-31	$850,690	16,350	+110.6%	Shares	Sole	2025-05-08
2024-09-30	$519,422	7,763	+15.1%	Shares	Sole	2024-11-05
2024-06-30	$373,843	6,742	-49.6%	Shares	Sole	2024-08-15
2022-12-31	$399,317	13,373	-15.7%	Shares	Sole	2023-02-13
2022-06-30	$360,226	15,862	-48.7%	Shares	Sole	2022-08-09
2022-03-31	$829,865	30,919	-48.2%	Shares	Sole	2022-05-11
2021-12-31	$951,180	59,710	+23.5%	Shares	Sole	2022-02-14
2021-09-30	$804,027	48,348	-22.4%	Shares	Sole	2021-11-12
2020-12-31	$1,045,240	62,328	+187.8%	Shares	Sole	2021-02-03
2020-09-30	$188,840	21,656	+30.6%	Shares	Sole	2020-11-06
2020-06-30	$169,021	16,587	-39.5%	Shares	Sole	2020-08-11
2020-03-31	$233,163	27,431	—	Shares	Sole	2020-05-12
No filing history on record for this holder in this stock.