ATRO
Astronics CorpCompany with tickers: ATRO, ATROB
CIK
8063
CUSIP
046433108
Shares Outstanding
32,040,340
Price History
Institutional Holders
Short Volume
Short Interest
Fails to Deliver
Financials
SEC Filings
Earnings Calls
Insider Trades
Congressional Trades
Holders: 1
Total Value: $22,621
Total Shares: 339
Institutional Ownership Trend
Holder Concentration
Across 1 13F filers · Δ vs Dec 31, 2025Top Holder
100.0%
+93.2 pts
Top 5
100.0%
+70.1 pts
Top 10
100.0%
+56.9 pts
HHI
10,000
Highly concentrated
+9,725
Quarterly Activity
vs Dec 31, 2025
New
0
Increased
0
Decreased
0
Sold Out
271
Unchanged
1
Holder count:
-271
Institutional value:
-100.0%
Shares held:
-100.0%
Top New Positions
vs Dec 31, 2025No new positions this quarter.
Top Sold-Out Positions
vs Dec 31, 2025| Institution | Previously Held | Last Value (USD) |
|---|---|---|
| Mega VANGUARD GROUP INC | 1,938,653 | $105,152,538 |
| Mega Capital International Investors | 1,849,886 | $100,337,816 |
| Mega STATE STREET CORP | 1,832,179 | $99,377,388 |
| Mega AMERICAN CENTURY COMPANIES INC | 1,764,235 | $95,692,106 |
| Mega UBS Group AG | 1,102,124 | $59,779,205 |
| Holder | Value (USD) | % of 13F | Shares | Activity | Type | Discretion | Filed | Action |
|---|---|---|---|---|---|---|---|---|
| Small Essential Partners LLC | $22,621 | 100.00% | 339 | Held | Shares | Sole | 2026-05-21 | View |
| No holders match your search. | ||||||||