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ACK Asset Management’s Astronics ATRO Stock Holding History

ACK 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
Q1 		– Sell
-716,963
Closed -$32.4M – 23
2025
Q4 		$32.4M Sell
716,963
-759,037
-51% -$31.8M 4.07% 14
2025
Q3 		$56.1M Sell
1,476,000
-996,000
-40% -$30.3M 7.02% 4
2025
Q2 		$69M Hold
2,472,000
– – 9.06% 1
2025
Q1 		$49.8M Hold
2,472,000
– – 8.18% 5
2024
Q4 		$32.9M Hold
2,472,000
– – 4.4% 9
2024
Q3 		$40.1M Hold
2,472,000
– – 4.96% 10
2024
Q2 		$41.3M Buy
2,472,000
+462,000
+23% +$7.17M 5.09% 10
2024
Q1 		$31.9M Buy
2,010,000
+175,200
+10% +$2.61M 3.72% 14
2023
Q4 		$26.6M Buy
1,834,800
+28,800
+2% +$378K 3.2% 14
2023
Q3 		$23.9M Buy
1,806,000
+96,000
+6% +$1.44M 3.47% 14
2023
Q2 		$28.3M Buy
1,710,000
+186,000
+12% +$2.55M 3.52% 13
2023
Q1 		$17M Buy
1,524,000
+474,000
+45% +$5.29M 2.59% 15
2022
Q4 		$9.01M Buy
+1,050,000
New +$7.76M 1.65% 19
2019
Q4 		– Sell
-870,000
Closed -$19.2M – 24
2019
Q3 		$19.2M Sell
870,000
-60,000
-6% -$1.61M 5.4% 9
2019
Q2 		$20.6M Sell
930,000
-486,000
-34% -$15.3M 5.98% 3
2019
Q1 		$31.9M Hold
1,416,000
– – 8.82% 1
2018
Q4 		$32M Buy
1,416,000
+59,323
+4% +$1.56M 10.87% 1
2018
Q3 		$42.8M Sell
1,356,677
-37,123
-3% -$1.13M 11.75% 1
2018
Q2 		$31.6M Buy
1,393,800
+27,600
+2% +$732K 8.45% 1
2018
Q1 		$36.9M Buy
1,366,200
+87,354
+7% +$2.61M 9.29% 3
2017
Q4 		$38.4M Buy
1,278,846
+195,960
+18% +$5.31M 8.63% 2
2017
Q3 		$23.3M Buy
1,082,886
+268,686
+33% +$5.49M 6.45% 3
2017
Q2 		$18M Buy
814,200
+213,900
+36% +$4.79M 4.06% 9
2017
Q1 		$13.2M Buy
+600,300
New +$14.2M 3.92% 11
2014
Q1 		– Sell
-735,002
Closed -$17.1M – 32
2013
Q4 		$17.1M Sell
735,002
-395,511
-35% -$8.68M 5.65% 5
2013
Q3 		$20.5M Sell
1,130,513
-86,711
-7% -$1.4M 7.9% 1
2013
Q2 		$18.2M Buy
+1,217,224
New +$14.6M 7.37% 1

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

ACK Asset Management's ATRO Position: Q1 2026 in Review

ACK Asset Management sold out of Astronics (ATRO) in Q1 2026, closing a stake of 716,963 shares — an estimated $32.4M sold.

ACK Asset Management first reported a position in ATRO in Q2 2013 and held it in 27 quarters. The position peaked at $69M in Q2 2025. 290 funds tracked by Wall St. Rank hold ATRO as of Q1 2026.

  • ACK Asset Management reported no remaining Astronics position as of Q1 2026 after selling out during the quarter.
  • ACK Asset Management sold 716,963 Astronics shares in Q1 2026, an estimated $32.4M.
  • ACK Asset Management first reported a position in Astronics in Q2 2013 and held it in 27 quarters.
  • ACK Asset Management's Astronics position peaked at $69M in Q2 2025.
  • 290 funds tracked by Wall St. Rank held Astronics as of Q1 2026.

Based on ACK Asset Management's 13F filing for Q1 2026, filed 15 May 2026.