What does CUSIP 01741R102 represent in this 13F holders report?

CUSIP 01741R102 is the security identifier for ATI - ATI INC - Common Stock used to aggregate holder disclosures.

How many institutions held ATI - ATI INC - Common Stock in Q4 2018?

273 institutional investors reported ATI - ATI INC - Common Stock for Q4 2018. Use the holders table for investor-level position and value details.

ATI INC - Common Stock (ATI)

CUSIP: 01741R102

Q4 2018 13F Holders as of 31 Dec 2018

Type / Class: Equity / Common Stock
Shares outstanding: 137,099,556
Total 13F shares: 136,300,064
Share change: +1,759,595
Total reported value: $2,967,619,455
Put/Call ratio: 48%
Price per share: $21.77
Number of holders: 273
Value change: +$20,985,977
Number of buys: 109
Number of sells: 156

Quarterly Holders Quick Answers

What is CUSIP 01741R102?
CUSIP 01741R102 identifies ATI - ATI INC - Common Stock in SEC institutional holdings data.

Need full ownership history?
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Related Filing Research

Latest 13F filings for newly reported positions.
Latest Schedule 13D/13G reports for ownership changes outside 13F cadence.
Latest 10-Q/10-K reports for financial context tied to this issuer.
Recent insider transactions for executive and insider activity.
SEC investors directory and top value investors for manager drilldown.
Back to full security ownership history.

Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q1 2019
Previous quarter: Q3 2018

Recent filing periods for CUSIP 01741R102:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of ATI - ATI INC - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
BlackRock Finance, Inc.	13F	Company	11%	14,662,646	$433,282,000	—	30 Sep 2018	13F
VANGUARD GROUP INC	13F	Company	8.3%	11,346,496	$335,290,000	—	30 Sep 2018	13F
FRONTIER CAPITAL MANAGEMENT CO LLC	13F	Company	7%	9,562,933	$282,585,000	—	30 Sep 2018	13F
VICTORY CAPITAL MANAGEMENT INC	13F	Company	4.7%	6,469,854	$191,183,000	—	30 Sep 2018	13F
GOLDMAN SACHS GROUP INC	13F	Company	4.6%	6,245,367	$184,551,000	—	30 Sep 2018	13F
Capital Research Global Investors	13F	Company	4.3%	5,854,900	$173,012,000	—	30 Sep 2018	13F
STATE STREET CORP	13F	Company	3.9%	5,376,052	$158,860,000	—	30 Sep 2018	13F
Capital World Investors	13F	Company	2.8%	3,881,000	$114,684,000	—	30 Sep 2018	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	2.8%	3,833,023	$113,267,000	—	30 Sep 2018	13F
BARROW HANLEY MEWHINNEY & STRAUSS LLC	13F	Company	2.8%	3,785,531	$111,863,000	—	30 Sep 2018	13F
WS MANAGEMENT LLLP	13F	Company	2.3%	3,123,965	$92,313,000	—	30 Sep 2018	13F
Invesco Ltd.	13F	Company	2%	2,804,235	$82,865,000	—	30 Sep 2018	13F
NORTHERN TRUST CORP	13F	Company	1.6%	2,230,495	$65,912,000	—	30 Sep 2018	13F
SASCO CAPITAL INC / CT/	13F	Company	1.6%	2,213,106	$65,397,000	—	30 Sep 2018	13F
VAN DEN BERG MANAGEMENT I, INC	13F	Company	1.5%	2,074,900	$61,313,000	—	30 Sep 2018	13F
OppenheimerFunds, Inc.	13F	Company	1.4%	1,933,042	$57,122,000	—	30 Sep 2018	13F
AMERIPRISE FINANCIAL INC	13F	Company	1.4%	1,923,623	$56,843,000	—	30 Sep 2018	13F
BANK OF AMERICA CORP /DE/	13F	Company	1.4%	1,893,446	$55,952,000	—	30 Sep 2018	13F
MORGAN STANLEY	13F	Company	1.2%	1,648,766	$48,720,000	—	30 Sep 2018	13F
Bank of New York Mellon Corp	13F	Company	1%	1,407,540	$41,593,000	—	30 Sep 2018	13F
EARNEST PARTNERS LLC	13F	Company	1%	1,402,283	$41,437,000	—	30 Sep 2018	13F
BOWEN HANES & CO INC	13F	Company	1%	1,383,435	$40,881,000	—	30 Sep 2018	13F
ROYAL BANK OF CANADA	13F	Company	1%	1,372,844	$40,568,000	—	30 Sep 2018	13F
Fisher Asset Management, LLC	13F	Company	0.96%	1,309,622	$38,699,000	—	30 Sep 2018	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.9%	1,232,763	$36,428,000	—	30 Sep 2018	13F
KLCM Advisors, Inc.	13F	Company	0.89%	1,214,360	$35,884,000	—	30 Sep 2018	13F
Nuveen Asset Management, LLC	13F	Company	0.86%	1,175,929	$34,749,000	—	30 Sep 2018	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.82%	1,124,850	$33,240,000	—	30 Sep 2018	13F
Neuberger Berman Group LLC	13F	Company	0.8%	1,096,473	$32,401,000	—	30 Sep 2018	13F
ROYCE & ASSOCIATES LP	13F	Company	0.77%	1,058,321	$31,273,000	—	30 Sep 2018	13F
NORGES BANK	13F	Company	0.71%	972,958	$28,751,000	—	30 Sep 2018	13F
Ashler Capital LLC	13F	Company	0.71%	968,351	$28,615,000	—	30 Sep 2018	13F
Russell Investments Group, Ltd.	13F	Company	0.7%	960,971	$28,398,000	—	30 Sep 2018	13F
TEACHERS ADVISORS, LLC	13F	Company	0.6%	819,243	$24,209,000	—	30 Sep 2018	13F
D. E. Shaw & Co., Inc.	13F	Company	0.58%	800,320	$23,649,000	—	30 Sep 2018	13F
DEUTSCHE BANK AG\	13F	Company	0.58%	797,786	$23,573,000	—	30 Sep 2018	13F
GAMCO INVESTORS, INC. ET AL	13F	Company	0.58%	797,600	$23,569,000	—	30 Sep 2018	13F
PRUDENTIAL PLC	13F	Company	0.56%	771,000	$22,783,000	—	30 Sep 2018	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	0.51%	698,763	$20,648,000	—	30 Sep 2018	13F
MESIROW FINANCIAL INVESTMENT MANAGEMENT - Fixed Income	13F	Company	0.47%	648,285	$19,158,000	—	30 Sep 2018	13F
Holocene Advisors, LP	13F	Company	0.44%	606,273	$17,915,000	—	30 Sep 2018	13F
KINGDON CAPITAL MANAGEMENT, L.L.C.	13F	Company	0.41%	565,211	$16,702,000	—	30 Sep 2018	13F
PRINCIPAL FINANCIAL GROUP INC	13F	Company	0.41%	559,371	$16,529,000	—	30 Sep 2018	13F
KENNEDY CAPITAL MANAGEMENT LLC	13F	Company	0.4%	546,057	$16,136,000	—	30 Sep 2018	13F
EMERALD ADVISERS, LLC	13F	Company	0.4%	544,796	$16,099,000	—	30 Sep 2018	13F
BROADVIEW ADVISORS LLC	13F	Company	0.35%	475,300	$14,045,000	—	30 Sep 2018	13F
EMERALD MUTUAL FUND ADVISERS TRUST	13F	Company	0.35%	474,105	$14,010,000	—	30 Sep 2018	13F
CITADEL ADVISORS LLC	13F	Company	0.35%	473,808	$14,001,000	—	30 Sep 2018	13F
BRIGADE CAPITAL MANAGEMENT, LP	13F	Company	0.34%	472,500	$13,962,000	—	30 Sep 2018	13F
FEDERATED HERMES, INC.	13F	Company	0.34%	469,391	$13,870,000	—	30 Sep 2018	13F

Institutional Holders of ATI INC - Common Stock (ATI) as of Q4 2018

As of 31 Dec 2018, ATI INC - Common Stock (ATI) was held by 273 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 136,300,064 shares. The largest 10 holders included BlackRock Inc., Vanguard Group Inc, FRONTIER CAPITAL MANAGEMENT CO LLC, Capital Research Global Investors, GOLDMAN SACHS GROUP INC, VICTORY CAPITAL MANAGEMENT INC, STATE STREET CORP, Capital World Investors, DIMENSIONAL FUND ADVISORS LP, and BARROW HANLEY MEWHINNEY & STRAUSS LLC. This page lists 273 institutional shareholders reporting positions in this security for the Q4 2018 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q4 2018 vs Q3 2018 Across Filers

Q3 2018 holders

290

Q4 2018 holders

273

Holder diff

-17

Investor	Q3 2018 Shares	Q4 2018 Shares	Share Diff	Share Chg %	Q3 2018 Value $	Q4 2018 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.