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Business Summary
Filings
Ownership
Valuation
Ownership — ARTNA
Institutional Holdings
Insider Transactions
US Institutional Ownership
49.7%
Institution
Shares
Value
Ownership %
Change
Filing Date
T. Rowe Price Investment Management, Inc.
912.2K
$31.0M
8.84%
+4.5K
2026-06-30
VANGUARD CAPITAL MANAGEMENT LLC
399.3K
$13.0M
3.87%
+10.9K
2026-06-30
RENAISSANCE TECHNOLOGIES LLC
301.2K
$10.0M
2.92%
-19.3K
2026-06-30
BlackRock, Inc.
209.3K
$7.0M
2.03%
+38.6K
2026-06-30
MORGAN STANLEY
207.6K
$7.0M
2.01%
+11.7K
2026-06-30
ADAGE CAPITAL PARTNERS GP, L.L.C.
200.0K
$6.0M
1.94%
--
2026-06-30
DIMENSIONAL FUND ADVISORS LP
192.2K
$6.0M
1.86%
+2.3K
2026-06-30
TWO SIGMA INVESTMENTS, LP
183.0K
$6.0M
1.77%
--
2026-06-30
Kestra Advisory Services, LLC
165.3K
$5.0M
1.60%
-1.2K
2026-06-30
Prospera Financial Services Inc
157.0K
$5.0M
1.52%
-895
2026-06-30
ROFFMAN MILLER ASSOCIATES INC /PA/
147.5K
$5.0M
1.43%
+1.5K
2026-06-30
GEODE CAPITAL MANAGEMENT, LLC
123.7K
$4.0M
1.20%
+21.8K
2026-06-30
Costello Asset Management, INC
116.0K
$3.0M
1.12%
-15.5K
2026-06-30
JANE STREET GROUP, LLC
108.5K
$3.0M
1.05%
-41.3K
2026-06-30
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC
97.1K
$3.0M
0.94%
+1.7K
2026-06-30
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
83.8K
$2.0M
0.81%
+10.2K
2026-06-30
Bank of New York Mellon Corp
78.4K
$2.0M
0.76%
+4.2K
2026-06-30
GOLDMAN SACHS GROUP INC
74.1K
$2.0M
0.72%
-23.7K
2026-06-30
FCA CORP /TX
73.7K
$2.0M
0.71%
+4.0K
2026-06-30
FIRST MANHATTAN CO. LLC.
72.4K
$2.0M
0.70%
-3.1K
2026-06-30
STATE STREET CORP
70.2K
$2.0M
0.68%
+1.2K
2026-06-30
Russell Investments Group, Ltd.
69.0K
$2.0M
0.67%
+12.2K
2026-06-30
North Star Investment Management Corp.
67.0K
$2.0M
0.65%
+8.0K
2026-06-30
VANGUARD PORTFOLIO MANAGEMENT LLC
61.5K
$2.0M
0.60%
-3.6K
2026-06-30
VANGUARD FIDUCIARY TRUST CO
58.5K
$1.0M
0.57%
+2.5K
2026-06-30
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