ATI (ATI) Ownership - Who Owns ATI?

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ATI (ATI) Ownership Overview

0.92% Insiders

34.14% Mutual Funds

0.90% Other Institutional Investors

25.02% ETFs

39.01% Public Companies and Individual Investors

The ownership structure of ATI (ATI) stock is a mix of institutional, retail, and individual investors. Approximately 60.07% of the company’s stock is owned by Institutional Investors, 0.92% is owned by Insiders, and 39.01% is owned by Public Companies and Individual Investors.

The ownership structure of ATI (ATI) stock is a mix of institutional, retail, and individual investors. Approximately 35.04% of the company’s stock is owned by Institutional Investors, 0.92% is owned by Insiders, and 25.02% is owned by Public Companies and Individual Investors.

Recent Insider Trading Activity

Date	Name	Activity	Value
Mar 11, 2026	David Morehouse	xxxxxxxxxxxxx	$1019464
Nov 25, 2025	Tina Killough Busch	xxxxxxxxxxxxx	$242289
Aug 06, 2025	David Morehouse	xxxxxxxxxxxxx	$598920

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Recent Hedge Fund Trading Activity

Date	Firm	Activity	Value
Dec 31, 2023	Gamco Investors, Inc. Et Al	xxxxxxxxxxxxx	$43964556
Dec 31, 2023	Royce & Associates Llc	xxxxxxxxxxxxx	$15094612
Dec 31, 2023	Fisher Asset Management Llc	xxxxxxxxxxxxx	$104258886
Dec 31, 2023	Aristeia Capital Llc	xxxxxxxxxxxxx	$749268

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Top Shareholders

Holder	# of Shares	Type	% Holding	Value
	11,191,478	Institution	8.20%	1,755,159,495
	10,556,724	Institution	7.74%	1,655,611,025
	9,928,478	Institution	7.28%	1,557,083,205
	6,653,107	Institution	4.88%	1,043,406,771
	4,393,829	Institution	3.22%	689,084,202
	3,710,532	Institution	2.72%	581,922,734
	3,628,868	Institution	2.66%	569,115,368
	2,179,885	Institution	1.60%	341,871,365
Malcolm Levine	2,039,291	Institution	1.49%	319,822,008
	1,994,735	Institution	1.46%	312,834,290

Top Mutual Fund Holders

# of Shares	Type	% Holding	Value
10,556,724	Institution	7.74%	1,655,611,025
6,653,107	Institution	4.88%	1,043,406,771
4,393,829	Institution	3.22%	689,084,202
3,628,868	Institution	2.66%	569,115,368
1,994,735	Institution	1.46%	312,834,290
1,760,931	Institution	1.29%	276,166,809
1,279,435	Institution	0.94%	200,653,791
1,193,592	Institution	0.87%	187,191,033
973,145	Institution	0.71%	152,618,330
926,853	Institution	0.68%	145,358,356

Top ETF Holders

Holder	# of Shares	Type	% Holding	Value
iShares Core S&P Mid-Cap ETF	4,564,070	Institution	3.34%	744,080,332
Vanguard Total Stock Market ETF	4,296,532	Institution	3.15%	702,869,670
Vanguard Small-Cap ETF	3,085,615	Institution	2.26%	504,775,758
Vanguard Small-Cap Growth ETF	1,713,471	Institution	1.26%	280,306,721
iShares U.S. Aerospace & Defense ETF	1,529,241	Institution	1.12%	249,312,160
Vanguard Extended Market ETF	1,480,409	Institution	1.08%	242,180,108
SPDR S&P Aerospace & Defense ETF	1,211,791	Institution	0.89%	198,467,130
Invesco S&P MidCap Momentum ETF	1,114,357	Institution	0.82%	181,673,622
SPDR S&P Midcap 400 ETF Trust	1,024,589	Institution	0.75%	167,038,745
Global X U.S. Infrastructure Development ETF	951,745	Institution	0.70%	155,876,796

FAQ

Who Owns ATI (ATI)?

According to the latest TipRanks data, approximately 0.90% of the company's stock is held by institutional investors, 0.92% is held by insiders, and 39.01% is held by retail investors.

What percentage of ATI (ATI) stock is held by institutional investors?

According to the latest TipRanks data, approximately 0.90% of ATI (ATI) stock is held by institutional investors.

What percentage of ATI (ATI) stock is held by retail investors?

According to the latest TipRanks data, approximately 39.01% of ATI (ATI) stock is held by retail investors.

Who owns the most shares of ATI (ATI)?

Vanguard owns the most shares of ATI (ATI).

What is the significance of the ownership structure for a publicly traded company?

The ownership structure can impact the company's decision making, as large institutional investors may exert influence on the company's management and can also affect the company's stock price with their buying and selling patterns.