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Sierra Summit Advisors’s Astronics ATRO Stock Holding History

Sierra Summit Advisors’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 		– Sell
-7,835
Closed -$436K – 192
2026
Q1 		$436K Buy
+7,835
New +$473K 0.06% 157
2024
Q1 		– Sell
-23,612
Closed -$343K – 151
2023
Q4 		$343K Buy
+23,612
New +$310K 0.1% 115

Other funds holding ATRO

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Capital International Investors
Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
PP
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
Ameriprise Minneapolis, Minnesota $495B AUM 43.24% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Sierra Summit Advisors's ATRO Position: Q2 2026 in Review

Sierra Summit Advisors sold out of Astronics (ATRO) in Q2 2026, closing a stake of 7,835 shares — an estimated $436K sold.

Sierra Summit Advisors first reported a position in ATRO in Q4 2023 and held it in 2 quarters. The position peaked at $436K in Q1 2026. 309 funds tracked by Wall St. Rank hold ATRO as of Q2 2026.

  • Sierra Summit Advisors reported no remaining Astronics position as of Q2 2026 after selling out during the quarter.
  • Sierra Summit Advisors sold 7,835 Astronics shares in Q2 2026, an estimated $436K.
  • Sierra Summit Advisors first reported a position in Astronics in Q4 2023 and held it in 2 quarters.
  • Sierra Summit Advisors's Astronics position peaked at $436K in Q1 2026.
  • 309 funds tracked by Wall St. Rank held Astronics as of Q2 2026.

Based on Sierra Summit Advisors's 13F filing for Q2 2026, filed 20 Jul 2026.