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 March 31, 2026. The institutional investors covered on this page collectively reported approximately $2.04B 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 $188.54M in its March 31, 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 $196.34M, representing an estimated gain of +4.14% 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
287
Total Reported Value
$2.04B
Largest Holder
Blackrock, Inc.
Largest Position
$188.54M
Insider Transactions (90d)
16
Latest Filing Quarter
Q2 2026
New Institutional Positions
67
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% | 2,825,410 | $188,539,610 | $196,337,741 | +$7,798,131 | +4.14% | |
| State Street Corp | 0.01% | 2,349,815 | $156,803,155 | $163,288,644 | +$6,485,489 | +4.14% | |
| American Century Companies Inc | 0.06% | 1,737,573 | $115,948,387 | $120,743,948 | +$4,795,561 | +4.14% | |
| Vanguard Capital Management Llc | 0.00% | 1,388,899 | $92,681,230 | $96,514,592 | +$3,833,362 | +4.14% | |
| Capital International Investors | 0.02% | 1,288,947 | $86,011,433 | $89,568,927 | +$3,557,494 | +4.14% | |
| Geode Capital Management, Llc | 0.00% | 887,033 | $59,204,578 | $61,639,923 | +$2,435,345 | +4.11% | |
| Pertento Partners Llp | 5.77% | 815,333 | $54,407,171 | $56,657,490 | +$2,250,319 | +4.14% | |
| Next Century Growth Investors Llc | 3.80% | 786,317 | $52,470,933 | $54,641,168 | +$2,170,235 | +4.14% | |
| Dimensional Fund Advisors Lp | 0.01% | 673,760 | $44,950,993 | $46,819,582 | +$1,868,589 | +4.16% | |
| D. E. Shaw & Co., Inc. | 0.03% | 608,449 | $40,601,802 | $42,281,121 | +$1,679,319 | +4.14% | |
| Point72 Asset Management, L.P. | 0.07% | 567,240 | $37,851,925 | $39,417,508 | +$1,565,583 | +4.14% | |
| Capital World Investors | 0.01% | 560,939 | $37,431,459 | $38,979,651 | +$1,548,192 | +4.14% | |
| Goldman Sachs Group Inc | 0.00% | 455,054 | $30,365,754 | $31,621,702 | +$1,255,948 | +4.14% | |
| Ameriprise Financial Inc | 0.01% | 450,667 | $30,073,010 | $31,316,850 | +$1,243,840 | +4.14% | |
| Emerald Advisers, Llc | 0.95% | 449,126 | $29,970,178 | $31,209,766 | +$1,239,588 | +4.14% | |
| Morgan Stanley | 0.00% | 447,541 | $29,864,535 | $31,099,624 | +$1,235,089 | +4.14% | |
| Nuveen, Llc | 0.01% | 401,264 | $26,776,347 | $27,883,835 | +$1,107,488 | +4.14% | |
| Bnp Paribas Financial Markets | 0.02% | 371,030 | $24,758,832 | $25,782,875 | +$1,024,043 | +4.14% | |
| Vanguard Portfolio Management Llc | 0.00% | 366,014 | $24,424,114 | $25,434,313 | +$1,010,199 | +4.14% | |
| Royce & Associates Lp | 0.24% | 363,383 | $24,248,548 | $25,251,485 | +$1,002,937 | +4.14% | |
| Fisher Asset Management, Llc | 0.01% | 348,842 | $23,278,225 | $24,241,031 | +$962,806 | +4.14% | |
| Driehaus Capital Management Llc | 0.16% | 326,471 | $21,785,410 | $22,686,470 | +$901,060 | +4.14% | |
| Fred Alger Management, Llc | 0.10% | 324,954 | $21,684,180 | $22,581,053 | +$896,873 | +4.14% | |
| Private Capital Management, Llc | 2.19% | 322,543 | $21,523,294 | $22,413,513 | +$890,219 | +4.14% | |
| Raymond James Financial Inc | 0.01% | 333,088 | $21,522,547 | $23,146,285 | +$1,623,738 | +7.54% | |
| Aegon Asset Management Uk Plc | 0.21% | 245,048 | $19,912,600 | $17,028,386 | -$2,884,214 | -14.48% | |
| Ubs Group Ag | 0.00% | 291,144 | $19,428,039 | $20,231,597 | +$803,558 | +4.14% | |
| Charles Schwab Investment Management Inc | 0.00% | 288,762 | $19,269,088 | $20,066,071 | +$796,983 | +4.14% | |
| Jupiter Asset Management Ltd | 0.10% | 280,976 | $18,749,529 | $19,525,022 | +$775,493 | +4.14% | |
| Emerald Mutual Fund Advisers Trust | 0.90% | 279,159 | $18,628,280 | $19,398,759 | +$770,479 | +4.14% | |
| Needham Investment Management Llc | 0.93% | 272,500 | $18,183,925 | $18,936,025 | +$752,100 | +4.14% | |
| Northern Trust Corp | 0.00% | 268,910 | $17,944,364 | $18,686,556 | +$742,192 | +4.14% | |
| Caspian Capital Lp | 17.38% | 267,724 | $17,865,223 | $18,604,141 | +$738,918 | +4.14% | |
| Deutsche Bank Ag\ | 0.01% | 261,555 | $17,453,565 | $18,175,457 | +$721,892 | +4.14% | |
| First Trust Advisors Lp | 0.01% | 253,492 | $16,915,521 | $17,615,159 | +$699,638 | +4.14% | |
| Marshall Wace, Llp | 0.02% | 251,213 | $16,763,446 | $17,456,791 | +$693,345 | +4.14% | |
| Aqr Capital Management Llc | 0.01% | 247,301 | $16,502,396 | $17,184,946 | +$682,550 | +4.14% | |
| Renaissance Technologies LLC | Jim Simons | 0.02% | 222,920 | $14,875,452 | $15,490,711 | +$615,259 | +4.14% |
| Millennium Management Llc | 0.01% | 220,023 | $14,682,135 | $15,289,398 | +$607,263 | +4.14% | |
| Vanguard Fiduciary Trust Co | 0.00% | 217,931 | $14,542,536 | $15,144,025 | +$601,489 | +4.14% | |
| Two Sigma Investments, Lp | 0.01% | 216,727 | $14,462,193 | $15,060,359 | +$598,166 | +4.14% | |
| Canada Pension Plan Investment Board | 0.01% | 212,800 | $14,200,144 | $14,787,472 | +$587,328 | +4.14% | |
| Jane Street Group, Llc | 0.01% | 201,091 | $13,418,803 | $13,973,814 | +$555,011 | +4.14% | |
| Bank Of America Corp | 0.00% | 199,722 | $13,327,450 | $13,878,682 | +$551,232 | +4.14% | |
| M&G Plc | 0.07% | 198,707 | $13,313,369 | $13,808,149 | +$494,780 | +3.72% | |
| First Eagle U.S. Value | Jean-Marie Eveillard | 0.02% | 192,326 | $12,833,914 | $13,364,734 | +$530,820 | +4.14% |
| Royal Bank Of Canada | 0.00% | 183,464 | $12,243,000 | $12,748,913 | +$505,913 | +4.13% | |
| Invesco Ltd. | 0.00% | 179,027 | $11,946,471 | $12,440,586 | +$494,115 | +4.14% | |
| Congruence Capital, Llc | 3.92% | 175,366 | $11,702,173 | $12,186,183 | +$484,010 | +4.14% | |
| Qube Research & Technologies Ltd | 0.02% | 166,759 | $11,127,828 | $11,588,083 | +$460,255 | +4.14% |
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.