Astronics Corp (ATRO)

AIRCRAFT PARTS & AUXILIARY EQUIPMENT, NEC

Astronics Corp (ATRO) is listed on Nasdaq, where it has traded since January 10, 1978.

Listed On
Nasdaq
Listed Since
January 10, 1978
Employees
2,700
Market Cap
$2.6B

About Astronics Corp

Astronics Corporation is a provider of technologies to the aerospace, defense, and electronics industries, offering high-performance electrical power generation and distribution systems, motion systems, lighting and safety systems, avionics products, systems certification, aircraft structures, and automated test systems. The company operates through two reportable segments, Aerospace and Test Systems. The Aerospace segment designs and manufactures products for the aerospace and defense industry and generates the majority of revenue, while the Test Systems segment designs, develops, manufactures, and maintains automated test systems for the aerospace and defense, communications, and mass transit industries. The company derives the majority of its revenue from the United States.

Institutional ownership

In 13F filings for the quarter ended June 30, 2026, 299 institutions reported holding ATRO, with 30.8 million shares worth $2.5 billion in aggregate. The largest reported holder was BlackRock, with 3.1 million shares worth $248.4 million. Of the 5 largest holders listed below, all 5 reduced their positions during the quarter.

InstitutionSharesValueQuarter change
BlackRock3,056,789$248MReduced 9.84%
Vanguard2,093,813$170MReduced 13.25%
State Street2,051,242$167MReduced 27.26%
Capital Group1,901,297$154MReduced 14.35%
American Century Companies1,436,706$117MReduced 31.1%

Form 13F is a quarterly report that institutional investment managers with at least $100 million in qualifying securities file with the SEC. It lists long positions as of the last day of the quarter and is due within 45 days of quarter end, so these holdings describe that date rather than today.

Frequently asked questions

What is ATRO?

Astronics Corp (ATRO) is listed on Nasdaq, where it has traded since January 10, 1978.

Who are the largest institutional holders of ATRO?

In 13F filings for the quarter ended June 30, 2026, the largest reported holders of ATRO were BlackRock, Vanguard and State Street.

How many institutions own ATRO?

299 institutions reported a position in ATRO for the quarter ended June 30, 2026, worth $2.5 billion in total.

Did institutions buy or sell ATRO last quarter?

Of the 5 largest reported holders, all 5 reduced their positions during the quarter. Every reported holder and its change is on the SentiSense ownership page for ATRO.

Every reported institutional holder, plus insider and congressional trades in ATRO, on SentiSense.