ASTRONICS CORP (ATRO) Institutional Shareholders
ASTRONICS CORP (ATRO) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $2.48B in ATRO holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of ATRO tracked by InsiderSet, reporting ownership valued at approximately $248.39M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $202.60M, representing an estimated loss of -18.43% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 44% of the total disclosed ATRO value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., State Street Corp, American Century Companies Inc, and several other long-term asset managers with concentrated positions in ASTRONICS CORP (ATRO).
This page ranks the largest institutional ATRO shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
300
Total Reported Value
$2.48B
Largest Holder
Blackrock, Inc.
Largest Position
$248.39M
Insider Transactions (90d)
3
Latest Filing Quarter
Q2 2026
New Institutional Positions
55
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.00% | 3,056,789 | $248,394,674 | $202,603,975 | -$45,790,699 | -18.43% | |
| State Street Corp | 0.00% | 2,051,242 | $166,704,310 | $135,956,320 | -$30,747,990 | -18.44% | |
| American Century Companies Inc | 0.05% | 1,436,706 | $116,746,894 | $95,224,874 | -$21,522,020 | -18.43% | |
| Vanguard Capital Management Llc | 0.00% | 1,419,352 | $115,336,544 | $94,074,651 | -$21,261,893 | -18.43% | |
| Capital International Investors | 0.02% | 1,324,626 | $107,639,109 | $87,796,211 | -$19,842,898 | -18.43% | |
| Geode Capital Management, Llc | 0.00% | 1,041,399 | $84,640,837 | $69,023,926 | -$15,616,911 | -18.45% | |
| Pertento Partners Llp | 5.80% | 993,637 | $80,742,943 | $65,858,260 | -$14,884,683 | -18.43% | |
| Next Century Growth Investors Llc | 3.20% | 743,086 | $60,383,168 | $49,251,740 | -$11,131,428 | -18.43% | |
| Ameriprise Financial Inc | 0.01% | 709,845 | $57,682,005 | $47,048,527 | -$10,633,478 | -18.43% | |
| Dimensional Fund Advisors Lp | 0.01% | 676,931 | $55,019,178 | $44,866,987 | -$10,152,191 | -18.45% | |
| Capital World Investors | 0.01% | 576,671 | $46,860,285 | $38,221,754 | -$8,638,531 | -18.43% | |
| Emerald Advisers, Llc | 0.98% | 513,984 | $41,766,340 | $34,066,860 | -$7,699,480 | -18.43% | |
| Goldman Sachs Group Inc | 0.00% | 484,353 | $39,358,525 | $32,102,917 | -$7,255,608 | -18.43% | |
| Westwood Holdings Group Inc | 0.26% | 430,281 | $34,964,634 | $28,519,025 | -$6,445,609 | -18.43% | |
| Morgan Stanley | 0.00% | 422,557 | $34,337,038 | $28,007,078 | -$6,329,960 | -18.43% | |
| Nuveen, Llc | 0.01% | 413,383 | $33,591,504 | $27,399,025 | -$6,192,479 | -18.43% | |
| D. E. Shaw & Co., Inc. | 0.02% | 406,571 | $33,037,959 | $26,947,526 | -$6,090,433 | -18.43% | |
| Vanguard Portfolio Management Llc | 0.00% | 400,061 | $32,508,957 | $26,516,043 | -$5,992,914 | -18.43% | |
| Royce & Associates Lp | 0.26% | 393,413 | $31,968,740 | $26,075,414 | -$5,893,326 | -18.43% | |
| Ophir Asset Management Pty Ltd | 2.58% | 385,791 | $31,349,377 | $25,570,227 | -$5,779,150 | -18.43% | |
| Ubs Group Ag | 0.00% | 347,555 | $28,242,319 | $23,035,945 | -$5,206,374 | -18.43% | |
| Fisher Asset Management, Llc | 0.01% | 333,965 | $27,137,995 | $22,135,200 | -$5,002,795 | -18.43% | |
| Point72 Asset Management, L.P. | 0.04% | 330,981 | $26,895,516 | $21,937,421 | -$4,958,095 | -18.43% | |
| Emerald Mutual Fund Advisers Trust | 0.93% | 327,295 | $26,595,992 | $21,693,113 | -$4,902,879 | -18.43% | |
| Millennium Management Llc | 0.02% | 325,117 | $26,419,007 | $21,548,755 | -$4,870,252 | -18.43% | |
| Fred Alger Management, Llc | 0.09% | 323,900 | $26,320,114 | $21,468,092 | -$4,852,022 | -18.43% | |
| Charles Schwab Investment Management Inc | 0.00% | 295,980 | $24,051,335 | $19,617,554 | -$4,433,781 | -18.43% | |
| Caspian Capital Lp | 13.19% | 285,965 | $23,237,516 | $18,953,760 | -$4,283,756 | -18.43% | |
| Price T Rowe Associates Inc | 0.00% | 281,518 | $22,877,000 | $18,659,013 | -$4,217,987 | -18.44% | |
| Jupiter Asset Management Ltd | 0.11% | 280,672 | $22,807,407 | $18,602,940 | -$4,204,467 | -18.43% | |
| Raymond James Financial Inc | 0.01% | 275,104 | $22,354,911 | $18,233,893 | -$4,121,018 | -18.43% | |
| Needham Investment Management Llc | 0.67% | 272,500 | $22,143,350 | $18,061,300 | -$4,082,050 | -18.43% | |
| Northern Trust Corp | 0.00% | 258,416 | $20,998,885 | $17,127,812 | -$3,871,073 | -18.43% | |
| Driehaus Capital Management Llc | 0.12% | 257,865 | $20,954,110 | $17,091,292 | -$3,862,818 | -18.43% | |
| Two Sigma Investments, Lp | 0.02% | 254,758 | $20,701,635 | $16,885,360 | -$3,816,275 | -18.43% | |
| Aqr Capital Management Llc | 0.01% | 253,603 | $20,607,779 | $16,808,807 | -$3,798,972 | -18.43% | |
| Aegon Asset Management Uk Plc | 0.21% | 245,048 | $19,912,600 | $16,241,781 | -$3,670,819 | -18.43% | |
| First Trust Advisors Lp | 0.01% | 231,693 | $18,827,373 | $15,356,612 | -$3,470,761 | -18.43% | |
| Vanguard Fiduciary Trust Co | 0.00% | 231,255 | $18,791,781 | $15,327,581 | -$3,464,200 | -18.43% | |
| Royal Bank Of Canada | 0.00% | 195,743 | $15,905,000 | $12,973,846 | -$2,931,154 | -18.43% | |
| First Eagle U.S. Value | Jean-Marie Eveillard | 0.03% | 192,726 | $15,660,915 | $12,773,879 | -$2,887,036 | -18.43% |
| M&G Plc | 0.08% | 189,691 | $15,364,971 | $12,572,719 | -$2,792,252 | -18.17% | |
| Norges Bank | 0.00% | 184,300 | $14,976,218 | $12,215,404 | -$2,760,814 | -18.43% | |
| Renaissance Technologies LLC | Jim Simons | 0.02% | 172,220 | $13,994,597 | $11,414,742 | -$2,579,855 | -18.43% |
| Invesco Ltd. | 0.00% | 168,982 | $13,731,478 | $11,200,127 | -$2,531,351 | -18.43% | |
| Congruence Capital, Llc | 3.59% | 168,856 | $13,721,238 | $11,191,776 | -$2,529,462 | -18.43% | |
| Bank Of America Corp | 0.00% | 162,725 | $13,223,034 | $10,785,413 | -$2,437,621 | -18.43% | |
| Bnp Paribas Financial Markets | 0.01% | 148,329 | $12,053,215 | $9,831,246 | -$2,221,969 | -18.43% | |
| Nicholas Investment Partners, Lp | 0.66% | 144,186 | $11,716,554 | $9,556,648 | -$2,159,906 | -18.43% | |
| Kennedy Capital Management Llc | 0.20% | 141,218 | $11,475,375 | $9,359,929 | -$2,115,446 | -18.43% |
Frequently asked questions about ATRO
Who owns the most ATRO stock?
The largest holders of ATRO are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for ASTRONICS CORP (ATRO).
Is ATRO widely held by superinvestors?
Many widely followed stocks like ATRO appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly ATRO is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.