Mariner
ATRO icon

Mariner’s Astronics ATRO Stock Holding History

Mariner’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 		$347K Sell
6,241
-3,693
-37% -$223K ﹤0.01% 2747
2025
Q4 		$449K Buy
9,934
+3,322
+50% +$139K ﹤0.01% 2511
2025
Q3 		$251K Buy
+6,612
New +$201K ﹤0.01% 2967

Other funds holding ATRO

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
American Century Companies
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
Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
PP
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
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return

Mariner's ATRO Position: Q1 2026 in Review

Mariner reduced its Astronics (ATRO) stake by 37% in Q1 2026, selling an estimated $223K and leaving 6,241 shares worth $347K. The position accounts for ﹤0.01% of the portfolio, ranked #2747.

Mariner first reported a position in ATRO in Q3 2025 and has held it in 3 quarters since. The position peaked at $449K in Q4 2025. 290 funds tracked by Wall St. Rank hold ATRO as of Q1 2026.

  • Mariner held 6,241 shares of Astronics worth $347K as of Q1 2026.
  • Mariner sold 3,693 Astronics shares in Q1 2026, an estimated $223K.
  • Astronics made up ﹤0.01% of Mariner's portfolio in Q1 2026, its #2747 holding.
  • Mariner first reported a position in Astronics in Q3 2025 and has held it in 3 quarters since.
  • Mariner's Astronics position peaked at $449K in Q4 2025.
  • 290 funds tracked by Wall St. Rank held Astronics as of Q1 2026.

Based on Mariner's 13F filing for Q1 2026, filed 13 May 2026.