DOSSIER · 13F Holders · Q2 2026
ATROB

ASTRONICS CL B ORD

13 institutions still hold ASTRONICS CL B ORD as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 046433207·13 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$24M
visible holders
Holders
13
filers reporting
Concentration
47.39%
NEXT CENTURY GROWTH INVESTORS LLC #1
top holder share
AI Holders Summary · Q2 2026

13 institutions reported ATROB in Q2 2026. NEXT CENTURY GROWTH INVESTORS LLC leads at 47.4% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
NEXT CENTURY GROWTH INVESTORS LLC
CIK 0001134007
$12M152K0.61%Q2 2026
02
Ophir Asset Management Pty Ltd
CIK 0001844640
$5M70K0.44%Q2 2026
03
Private Capital Management, LLC
CIK 0001588456
$3M42K0.28%Q2 2026
04
KENNEDY CAPITAL MANAGEMENT LLC
CIK 0000884589
$2M28K0.04%Q2 2026
05
EMERALD ADVISERS, LLC
CIK 0001015083
$791K12K0.02%Q3 2026
06
WHITE PINE CAPITAL LLC
CIK 0001137429
$682K10K0.16%Q3 2026
07
GLOBEFLEX CAPITAL L P
CIK 0000921531
$328K4K0.04%Q2 2026
08
MARK SHEPTOFF FINANCIAL PLANNING, LLC
CIK 0001607355
$139K2K0.07%Q2 2026
09
McIlrath & Eck, LLC
CIK 0001701714
$109K2K0.01%Q1 2026
10
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO
CIK 0000315297
$67K9830.00%Q3 2026
11
RHUMBLINE ADVISERS
CIK 0001115418
$32K4650.00%Q3 2026
12
GAMMA Investing LLC
CIK 0002010235
$8K1140.00%Q3 2026
13
FNY Investment Advisers, LLC
CIK 0001742998
$4K670.00%Q1 2026