Intrinsic
Screener
Valuation
Movers
Economy
Bonds
Institutions
Business Summaries
Updates
Go
Sign In
Screener
Summaries
Updates
Institutions
Sign In
More
↑
Overview
Financials
Chart
Business Summary
Filings
Ownership
Valuation
Ownership — ATRO
Institutional Holdings
Insider Transactions
US Institutional Ownership
73.2%
Institution
Shares
Value
Ownership %
Change
Filing Date
BlackRock, Inc.
3.06M
$248.0M
7.12%
+231.4K
2026-06-30
STATE STREET CORP
2.05M
$166.0M
4.78%
-298.6K
2026-06-30
AMERICAN CENTURY COMPANIES INC
1.44M
$116.0M
3.35%
-300.9K
2026-06-30
VANGUARD CAPITAL MANAGEMENT LLC
1.42M
$115.0M
3.31%
+30.5K
2026-06-30
UBS Group AG
1.33M
$108.0M
3.10%
+220.4K
2026-06-30
Capital International Investors
1.32M
$107.0M
3.08%
+35.7K
2026-06-30
GEODE CAPITAL MANAGEMENT, LLC
1.04M
$84.0M
2.43%
+154.4K
2026-06-30
Pertento Partners LLP
993.6K
$80.0M
2.31%
+178.3K
2026-06-30
NEXT CENTURY GROWTH INVESTORS LLC
743.1K
$60.0M
1.73%
-43.2K
2026-06-30
AMERIPRISE FINANCIAL INC
709.8K
$57.0M
1.65%
+259.2K
2026-06-30
DIMENSIONAL FUND ADVISORS LP
676.9K
$55.0M
1.58%
+3.2K
2026-06-30
Capital World Investors
576.7K
$46.0M
1.34%
+15.7K
2026-06-30
EMERALD ADVISERS, LLC
514.0K
$41.0M
1.20%
+64.9K
2026-06-30
GOLDMAN SACHS GROUP INC
484.4K
$39.0M
1.13%
+29.3K
2026-06-30
WESTWOOD HOLDINGS GROUP INC
430.3K
$34.0M
1.00%
--
2026-06-30
MORGAN STANLEY
422.6K
$34.0M
0.98%
-25.0K
2026-06-30
RAYMOND JAMES FINANCIAL INC
421.7K
$34.0M
0.98%
-71.1K
2026-06-30
Nuveen, LLC
413.4K
$33.0M
0.96%
+12.1K
2026-06-30
D. E. Shaw & Co., Inc.
406.6K
$33.0M
0.95%
-201.9K
2026-06-30
VANGUARD PORTFOLIO MANAGEMENT LLC
400.1K
$32.0M
0.93%
+34.0K
2026-06-30
ROYCE & ASSOCIATES LP
393.4K
$31.0M
0.92%
+30.0K
2026-06-30
Ophir Asset Management Pty Ltd
385.8K
$31.0M
0.90%
--
2026-06-30
Point72 Asset Management, L.P.
334.4K
$27.0M
0.78%
-236.3K
2026-06-30
Fisher Asset Management, LLC
334.0K
$27.0M
0.78%
-14.9K
2026-06-30
EMERALD MUTUAL FUND ADVISERS TRUST
327.3K
$26.0M
0.76%
+48.1K
2026-06-30
← Prev
Page 1 of 12
Next →
