Senator Investment Group’s Astronics ATRO Stock Holding History

Senator Investment Group’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	$545K	Sell	6,702 -19,135	-74%	-$1.31M	0.02%	60
2026 Q1	$1.44M	Sell	25,837 -524,969	-95%	-$31.7M	0.07%	62
2025 Q4	$24.9M	Sell	550,806 -195,227	-26%	-$8.19M	1%	34
2025 Q3	$28.4M	Sell	746,033 -143,259	-16%	-$4.36M	1.05%	35
2025 Q2	$24.8M	Buy	889,292 +38,632	+5%	+$903K	0.96%	39
2025 Q1	$17.1M	Buy	850,660 +60,000	+8%	+$1.01M	0.91%	37
2024 Q4	$10.5M	Sell	790,660 -5,590	-0.7%	-$82.1K	0.31%	51
2024 Q3	$12.9M	Buy	796,250 +141,345	+22%	+$2.4M	0.61%	49
2024 Q2	$10.9M	Hold	654,905	–	–	0.53%	47
2024 Q1	$10.4M	Buy	654,905 +44,376	+7%	+$660K	0.47%	47
2023 Q4	$8.86M	Buy	610,529 +70,529	+13%	+$925K	0.38%	55
2023 Q3	$7.14M	Buy	+540,000	New	+$8.11M	0.4%	48

Other funds holding ATRO

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

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 Minneapolis, Minnesota $495B AUM 43.24% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Senator Investment Group's ATRO Position: Q2 2026 in Review

Senator Investment Group reduced its Astronics (ATRO) stake by 74% in Q2 2026, selling an estimated $1.31M and leaving 6,702 shares worth $545K. The position accounts for 0.02% of the portfolio, ranked #60.

Senator Investment Group first reported a position in ATRO in Q3 2023 and has held it in 12 quarters since. The position peaked at $28.4M in Q3 2025. 309 funds tracked by Wall St. Rank hold ATRO as of Q2 2026.

Senator Investment Group held 6,702 shares of Astronics worth $545K as of Q2 2026.
Senator Investment Group sold 19,135 Astronics shares in Q2 2026, an estimated $1.31M.
Astronics made up 0.02% of Senator Investment Group's portfolio in Q2 2026, its #60 holding.
Senator Investment Group first reported a position in Astronics in Q3 2023 and has held it in 12 quarters since.
Senator Investment Group's Astronics position peaked at $28.4M in Q3 2025.
309 funds tracked by Wall St. Rank held Astronics as of Q2 2026.

Based on Senator Investment Group's 13F filing for Q2 2026, filed 12 Aug 2026.