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Magnetar Financial’s Astronics ATRO Stock Holding History

Magnetar Financial’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 		$223K Sell
2,739
-41,416
-94% -$2.83M ﹤0.01% 905
2026
Q1 		$2.46M Buy
+44,155
New +$2.67M 0.02% 285
2018
Q4 		– Sell
-7,482
Closed -$236K – 295
2018
Q3 		$236K Buy
+7,482
New +$228K ﹤0.01% 402

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

Magnetar Financial's ATRO Position: Q2 2026 in Review

Magnetar Financial reduced its Astronics (ATRO) stake by 94% in Q2 2026, selling an estimated $2.83M and leaving 2,739 shares worth $223K. The position accounts for ﹤0.01% of the portfolio, ranked #905.

Magnetar Financial first reported a position in ATRO in Q3 2018 and has held it in 3 quarters since. The position peaked at $2.46M in Q1 2026. 309 funds tracked by Wall St. Rank hold ATRO as of Q2 2026.

  • Magnetar Financial held 2,739 shares of Astronics worth $223K as of Q2 2026.
  • Magnetar Financial sold 41,416 Astronics shares in Q2 2026, an estimated $2.83M.
  • Astronics made up ﹤0.01% of Magnetar Financial's portfolio in Q2 2026, its #905 holding.
  • Magnetar Financial first reported a position in Astronics in Q3 2018 and has held it in 3 quarters since.
  • Magnetar Financial's Astronics position peaked at $2.46M in Q1 2026.
  • 309 funds tracked by Wall St. Rank held Astronics as of Q2 2026.

Based on Magnetar Financial's 13F filing for Q2 2026, filed 14 Aug 2026.