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Business Summary
Filings
Ownership
Valuation
Ownership — ATI
Institutional Holdings
Insider Transactions
US Institutional Ownership
89.1%
Institution
Shares
Value
Ownership %
Change
Filing Date
BlackRock, Inc.
16.44M
$2.39B
12.05%
+1.77M
2026-03-31
Capital Research Global Investors
6.16M
$895.0M
4.51%
+2.55M
2026-03-31
VANGUARD CAPITAL MANAGEMENT LLC
6.12M
$890.0M
4.49%
--
2026-03-31
Capital International Investors
5.88M
$854.0M
4.31%
-11.21M
2026-03-31
VANGUARD PORTFOLIO MANAGEMENT LLC
5.82M
$846.0M
4.27%
--
2026-03-31
Capital World Investors
5.71M
$831.0M
4.19%
-1.64M
2026-03-31
STATE STREET CORP
5.38M
$782.0M
3.94%
-218.2K
2026-03-31
FMR LLC
5.25M
$763.0M
3.84%
+172.4K
2026-03-31
Invesco Ltd.
3.86M
$560.0M
2.83%
+470.7K
2026-03-31
GEODE CAPITAL MANAGEMENT, LLC
2.95M
$428.0M
2.16%
+528.2K
2026-03-31
Point72 Asset Management, L.P.
1.94M
$282.0M
1.42%
+1.14M
2026-03-31
D. E. Shaw & Co., Inc.
1.75M
$254.0M
1.28%
-288.1K
2026-03-31
MORGAN STANLEY
1.67M
$242.0M
1.22%
+385.1K
2026-03-31
JANE STREET GROUP, LLC
1.58M
$230.0M
1.16%
+1.17M
2026-03-31
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
1.50M
$218.0M
1.10%
+14.2K
2026-03-31
UBS Group AG
1.42M
$206.0M
1.04%
+226.0K
2026-03-31
DIMENSIONAL FUND ADVISORS LP
1.37M
$198.0M
1.00%
-759.2K
2026-03-31
BANK OF AMERICA CORP /DE/
1.36M
$198.0M
1.00%
+565.9K
2026-03-31
DENDUR CAPITAL LP
1.28M
$186.0M
0.94%
-756.2K
2026-03-31
NORTHERN TRUST CORP
1.24M
$180.0M
0.91%
+64.9K
2026-03-31
AQR CAPITAL MANAGEMENT LLC
1.22M
$174.0M
0.90%
+202.7K
2026-03-31
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
1.20M
$175.0M
0.88%
+840.5K
2026-03-31
Holocene Advisors, LP
1.10M
$159.0M
0.80%
+25.8K
2026-03-31
SG Americas Securities, LLC
1.08M
$156.0M
0.79%
+1.01M
2026-03-31
AMERICAN CENTURY COMPANIES INC
1.07M
$155.0M
0.78%
-520.7K
2026-03-31
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