Ken Griffin
ATRO icon

Ken Griffin’s Astronics ATRO Stock Holding History

Ken Griffin’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 		$1.35M Sell
24,360
-5,280
-18% -$319K ﹤0.01% 6959
2025
Q4 		$1.34M Buy
29,640
+1,920
+7% +$80.5K ﹤0.01% 6769
2025
Q3 		$1.05M Buy
27,720
+17,400
+169% +$529K ﹤0.01% 7429
2025
Q2 		$288K Sell
10,320
-6,360
-38% -$149K ﹤0.01% 9904
2025
Q1 		$336K Buy
16,680
+13,800
+479% +$232K ﹤0.01% 9329
2024
Q4 		$38.3K Sell
2,880
-1,560
-35% -$22.9K ﹤0.01% 12651
2024
Q3 		$72.1K Sell
4,440
-3,120
-41% -$53K ﹤0.01% 11519
2024
Q2 		$126K Sell
7,560
-17,280
-70% -$268K ﹤0.01% 10583
2024
Q1 		$394K Sell
24,840
-5,760
-19% -$85.7K ﹤0.01% 8888
2023
Q4 		$444K Buy
30,600
+17,880
+141% +$234K ﹤0.01% 8364
2023
Q3 		$168K Sell
12,720
-15,720
-55% -$236K ﹤0.01% 10181
2023
Q2 		$471K Sell
28,440
-1,560
-5% -$21.4K ﹤0.01% 8075
2023
Q1 		$334K Buy
30,000
+21,120
+238% +$236K ﹤0.01% 9161
2022
Q4 		$76.2K Buy
+8,880
New +$65.6K ﹤0.01% 11579
2022
Q2 		– Sell
-21,720
Closed -$234K – 12831
2022
Q1 		$234K Buy
+21,720
New +$236K ﹤0.01% 11151
2021
Q4 		– Sell
-19,560
Closed -$229K – 13763
2021
Q3 		$229K Sell
19,560
-4,560
-19% -$57.9K ﹤0.01% 11682
2021
Q2 		$352K Sell
24,120
-17,280
-42% -$251K ﹤0.01% 10873
2021
Q1 		$622K Buy
41,400
+17,760
+75% +$230K ﹤0.01% 9206
2020
Q4 		$261K Buy
+23,640
New +$194K ﹤0.01% 9306
2016
Q3 		– Sell
-15,711
Closed -$329K – 7214
2016
Q2 		$329K Sell
15,711
-13,490
-46% -$310K ﹤0.01% 5079
2016
Q1 		$702K Buy
29,201
+25,392
+667% +$537K ﹤0.01% 3927
2015
Q4 		$98K Buy
+3,809
New +$91.4K ﹤0.01% 6708

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
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T 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 $1.37B 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 $552B AUM 44.19% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return

Ken Griffin's ATRO Position: Q1 2026 in Review

Ken Griffin reduced its Astronics (ATRO) stake by 69% in Q1 2026, selling an estimated $15.9M and leaving 115,709 shares worth $6.43M. The position accounts for ﹤0.01% of the portfolio, ranked #3938.

Ken Griffin first reported a position in ATRO in Q2 2013 and has held it in 44 quarters since. The position peaked at $17.1M in Q4 2025. 292 funds tracked by Wall St. Rank hold ATRO as of Q1 2026.

  • Ken Griffin held 115,709 shares of Astronics worth $6.43M as of Q1 2026.
  • Ken Griffin sold 263,251 Astronics shares in Q1 2026, an estimated $15.9M.
  • Astronics made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #3938 holding.
  • Ken Griffin first reported a position in Astronics in Q2 2013 and has held it in 44 quarters since.
  • Ken Griffin's Astronics position peaked at $17.1M in Q4 2025.
  • 292 funds tracked by Wall St. Rank held Astronics as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.