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ATI Inc

Institutional holders · 13F as of Dec 31, 2025

Holder	Value	Shares	% of shares
Russell Investments Group, Ltd.	$3.45M	30,019	0.02%
NORTHWESTERN MUTUAL INVESTMENT MANAGEMENT COMPANY, LLC	$3.49M	30,398	0.02%
KLP KAPITALFORVALTNING AS	$3.49M	30,400	0.02%
Lazard Asset Management LLC	$3.51M	24,105	0.02%
STATE OF MICHIGAN RETIREMENT SYSTEM	$3.68M	32,100	0.02%
Creative Planning	$3.73M	32,464	0.02%
CAPITAL FUND MANAGEMENT S.A.	$3.75M	25,759	0.02%
Quantinno Capital Management LP	$3.78M	32,963	0.02%
&PARTNERS	$3.80M	25,857	0.02%
KEYSTONE INVESTORS PTE LTD	$3.83M	33,415	0.02%
BOOTHBAY FUND MANAGEMENT, LLC	$3.87M	33,729	0.02%
Cerity Partners LLC	$3.90M	33,983	0.02%
New Age Alpha Advisors, LLC	$3.91M	34,050	0.03%
Hudson Bay Capital Management LP	$3.99M	27,397	0.02%
OREGON PUBLIC EMPLOYEES RETIREMENT FUND	$4.05M	27,835	0.02%
Focus Partners Advisor Solutions, LLC	$4.15M	36,196	0.03%
Pier Capital, LLC	$4.18M	28,721	0.02%
COOKSON PEIRCE & CO INC	$4.21M	28,949	0.02%
Roubaix Capital, LLC	$4.28M	37,284	0.03%
Register Financial Advisors LLC	$4.29M	37,353	0.03%
Engineers Gate Manager LP	$4.30M	37,426	0.03%
Louisiana State Employees Retirement System	$4.31M	37,600	0.03%
Quantbot Technologies LP	$4.32M	37,674	0.03%
Envestnet Portfolio Solutions, Inc.	$4.34M	37,778	0.03%
Ameritas Investment Partners, Inc.	$4.35M	29,879	0.02%
Quadrature Capital Ltd	$4.66M	23,645	0.02%
PIER 88 INVESTMENT PARTNERS LLC	$4.70M	40,912	0.03%
1492 Capital Management LLC	$4.85M	42,292	0.03%
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS	$4.95M	34,041	0.02%
FARMERS & MERCHANTS INVESTMENTS INC	$5.05M	34,723	0.03%
BLAIR WILLIAM & CO/IL	$5.06M	44,102	0.03%
Pathstone Holdings, LLC	$5.20M	45,351	0.03%
YOUSIF CAPITAL MANAGEMENT, LLC	$5.24M	42,516	0.03%
Rafferty Asset Management, LLC	$5.31M	36,482	0.03%
State of New Jersey Common Pension Fund D	$5.38M	46,864	0.03%
Covea Finance	$5.67M	49,400	0.04%
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO	$5.81M	39,930	0.03%
Sagefield Capital LP	$5.90M	51,455	0.04%
Asset Management One Co., Ltd.	$6.09M	42,215	0.03%
Healthcare of Ontario Pension Plan Trust Fund	$6.14M	53,462	0.04%
Horizon Investments, LLC	$6.37M	55,514	0.04%
MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC	$6.49M	56,543	0.04%
Tribune Investment Group LP	$6.54M	57,000	0.04%
Police & Firemen's Retirement System of New Jersey	$6.58M	57,359	0.04%
TD ASSET MANAGEMENT INC	$6.63M	45,569	0.03%
Waverly Advisors, LLC	$6.87M	59,843	0.04%
VOYA INVESTMENT MANAGEMENT LLC	$6.87M	47,251	0.03%
The PNC Financial Services Group, Inc.	$6.94M	35,210	0.03%
NORDEA INVESTMENT MANAGEMENT AB	$7.17M	50,456	0.04%
Lansforsakringar Fondforvaltning AB (publ)	$7.23M	63,028	0.05%