Martingale Asset Management’s Astronics ATRO Stock Holding History

Martingale Asset Management’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 Q2	$2.64M	Sell	32,534 -6,884	-17%	-$470K	0.06%	333
2026 Q1	$2.19M	Sell	39,418 -13,668	-26%	-$825K	0.06%	329
2025 Q4	$2.4M	Buy	53,086 +3,734	+8%	+$157K	0.06%	278
2025 Q3	$1.88M	Buy	49,352 +613	+1%	+$18.6K	0.05%	334
2025 Q2	$1.36M	Buy	+48,739	New	+$1.14M	0.03%	397
2019 Q3	–	Sell	-21,001	Closed	-$705K	–	992
2019 Q2	$705K	Buy	+21,001	New	+$660K	0.01%	830

Other funds holding ATRO

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Pertento Partners London, United Kingdom $1.86B AUM 53.86% 1-Year Est. Return

NCGI

Next Century Growth Investors Plymouth, Minnesota $1.89B AUM 151.53% 1-Year Est. Return

Ameriprise Minneapolis, Minnesota $495B AUM 43.24% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Martingale Asset Management's ATRO Position: Q2 2026 in Review

Martingale Asset Management reduced its Astronics (ATRO) stake by 17% in Q2 2026, selling an estimated $470K and leaving 32,534 shares worth $2.64M. The position accounts for 0.06% of the portfolio, ranked #333.

Martingale Asset Management first reported a position in ATRO in Q2 2019 and has held it in 6 quarters since. 309 funds tracked by Wall St. Rank hold ATRO as of Q2 2026.

Martingale Asset Management held 32,534 shares of Astronics worth $2.64M as of Q2 2026.
Martingale Asset Management sold 6,884 Astronics shares in Q2 2026, an estimated $470K.
Astronics made up 0.06% of Martingale Asset Management's portfolio in Q2 2026, its #333 holding.
Martingale Asset Management first reported a position in Astronics in Q2 2019 and has held it in 6 quarters since.
309 funds tracked by Wall St. Rank held Astronics as of Q2 2026.

Based on Martingale Asset Management's 13F filing for Q2 2026, filed 13 Aug 2026.