FMR LLC

Position in ATI — Ati Inc

CIK 315066 BOSTON, MA

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Position in ATI

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

Position Value

$763,254,072

+$180,867,272 QoQ

Shares Held

5,247,175

+3.4% QoQ

Ownership

3.84%

of shares outstanding

% of Portfolio

0.04%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 99.44208073868319.ToString("F0")% Shared 0.ToString("F0")% None 0.5579192613168038.ToString("F0")%

Common Shares in ATI Over Time

Shares Held

Position Value (USD)

Position in Metal Fabrication

Industrials · as of Mar 31, 2026

FMR LLC holds $3,709,144,230 across 12 Metal Fabrication names. ATI ranks #2 (20.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	CRS	Carpenter Technology Corp	4,326,105	$1,705,134,283
2	ATI	Ati Inc This page	5,247,175	$763,254,072
3	GPGI	GPGI, Inc.	39,551,933	$676,338,052
4	CMC	COMMERCIAL METALS Co	4,970,895	$305,362,077
5	ESAB	ESAB Corp	1,240,062	$119,864,389
6	MLI	Mueller Industries Inc	1,806,257	$100,066,636
7	PRLB	Proto Labs Inc	422,356	$24,082,738
8	WOR	Worthington Enterprises, Inc.	201,567	$10,509,703

All Filings in ATI

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25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$763,254,072	5,247,175	+3.4%	Shares	Defined	2026-05-15
2025-12-31	$582,386,800	5,074,824	+3.6%	Shares	Defined	2026-02-17
2025-09-30	$398,498,484	4,899,170	+43.5%	Shares	Defined	2025-11-13
2025-06-30	$294,745,848	3,413,781	-19.3%	Shares	Defined	2025-08-14
2025-03-31	$219,985,543	4,228,052	-36.2%	Shares	Defined	2025-05-12
2024-12-31	$364,468,438	6,621,883	-28.7%	Shares	Defined	2025-02-13
2024-09-30	$621,018,002	9,281,393	+27.8%	Shares	Defined	2024-11-13
2024-06-30	$402,614,352	7,260,854	+26.6%	Shares	Defined	2024-08-13
2024-03-31	$293,374,493	5,733,330	+73.1%	Shares	Defined	2024-05-13
2023-12-31	$150,609,095	3,312,274	+3.4%	Shares	Defined	2024-02-13
2023-09-30	$131,867,559	3,204,558	-2.8%	Shares	Defined	2023-11-13
2023-06-30	$145,776,063	3,295,864	+25.1%	Shares	Defined	2023-08-11
2023-03-31	$103,973,389	2,634,906	+52.3%	Shares	Defined	2023-08-11
2022-12-31	$51,658,545	1,730,025	+37.7%	Shares	Defined	2023-02-13
2022-09-30	$33,425,592	1,256,129	+3.2%	Shares	Defined	2022-11-10
2022-06-30	$27,655,465	1,217,766	+5.3%	Shares	Defined	2022-08-12
2022-03-31	$31,035,896	1,156,330	-11.8%	Shares	Defined	2022-05-13
2021-12-31	$20,887,574	1,311,210	-36.7%	Shares	Defined	2022-02-14
2021-09-30	$34,465,174	2,072,470	-40.9%	Shares	Defined	2022-02-14
2021-06-30	$73,062,110	3,504,178	+541504.0%	Shares	Defined	2021-08-13
2021-03-31	$13,625	647	+63.0%	Shares	Defined	2021-05-14
2020-12-31	$6,657	397	-7.0%	Shares	Defined	2021-02-08
2020-09-30	$3,722	427	-2.1%	Shares	Defined	2020-11-13
2020-06-30	$4,442	436	-99.2%	Shares	Defined	2020-08-24
2020-03-31	$488,673	57,491	—	Shares	Defined	2020-05-14
No filing history on record for this holder in this stock.