Jane Street’s Astronics ATRO Stock Holding History

Jane Street’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	$1.13M	Buy	20,400 +6,840	+50%	+$413K	﹤0.01%	6233
2025 Q4	$613K	Buy	+13,560	New	+$569K	﹤0.01%	7240

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

Jane Street's ATRO Position: Q1 2026 in Review

Jane Street increased its Astronics (ATRO) stake by 1,811% in Q1 2026, buying an estimated $13.8M and bringing the position to 241,309 shares worth $13.4M. The position accounts for ﹤0.01% of the portfolio, ranked #2183.

Jane Street first reported a position in ATRO in Q3 2018 and has held it in 16 quarters since. 291 funds tracked by Wall St. Rank hold ATRO as of Q1 2026.

Jane Street held 241,309 shares of Astronics worth $13.4M as of Q1 2026.
Jane Street bought 228,681 Astronics shares in Q1 2026, an estimated $13.8M.
Astronics made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #2183 holding.
Jane Street first reported a position in Astronics in Q3 2018 and has held it in 16 quarters since.
291 funds tracked by Wall St. Rank held Astronics as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.