Emerald Advisers’s Astronics ATRO Stock Holding History

Emerald Advisers’s Portfolio ATRO Stock Details ATRO Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$30M	Buy	538,951 +247,679	+85%	+$15M	0.95%	41
2025 Q4	$13.2M	Buy	+291,272	New	+$12.2M	0.41%	99
2015 Q4	–	Sell	-375,887	Closed	-$8.33M	–	322
2015 Q3	$8.33M	Sell	375,887 -197,281	-34%	-$6.14M	0.43%	76
2015 Q2	$22.3M	Buy	573,168 +4,097	+0.7%	+$161K	1.06%	18
2015 Q1	$22.7M	Buy	569,071 +164,707	+41%	+$5.61M	1.14%	15
2014 Q4	$12.3M	Buy	404,364 +87,692	+28%	+$2.32M	0.65%	44
2014 Q3	$8.27M	Sell	316,672 -168,917	-35%	-$4.63M	0.49%	70
2014 Q2	$12.5M	Buy	485,589 +296,823	+157%	+$7.71M	0.71%	41
2014 Q1	$5.46M	Buy	188,766 +16,452	+10%	+$463K	0.31%	117
2013 Q4	$4.01M	Buy	+172,314	New	+$3.78M	0.22%	141

Other funds holding ATRO

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Pertento Partners London, United Kingdom $1.37B AUM 36.36% 1-Year Est. Return

NCGI

Next Century Growth Investors Plymouth, Minnesota $1.38B AUM 102.34% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return

Emerald Advisers's ATRO Position: Q1 2026 in Review

Emerald Advisers increased its Astronics (ATRO) stake by 85% in Q1 2026, buying an estimated $15M and bringing the position to 538,951 shares worth $30M. The position accounts for 0.95% of the portfolio, ranked #41.

Emerald Advisers first reported a position in ATRO in Q4 2013 and has held it in 10 quarters since. 290 funds tracked by Wall St. Rank hold ATRO as of Q1 2026.

Emerald Advisers held 538,951 shares of Astronics worth $30M as of Q1 2026.
Emerald Advisers bought 247,679 Astronics shares in Q1 2026, an estimated $15M.
Astronics made up 0.95% of Emerald Advisers's portfolio in Q1 2026, its #41 holding.
Emerald Advisers first reported a position in Astronics in Q4 2013 and has held it in 10 quarters since.
290 funds tracked by Wall St. Rank held Astronics as of Q1 2026.

Based on Emerald Advisers's 13F filing for Q1 2026, filed 4 May 2026.