ATRONasdaqAircraft Parts & Auxiliary Equipment, NECFiscal year ends December 31Also trades as ATROB
ASTRONICS CORP
Financials through Q2 FY2026, quarter ended Jul 4, 2026Last filing: 10-Q on Aug 12, 2026
$62.33+0.80 (+1.30%)
Close on Oct 19, 2026
- Market cap
- $2.90B
- P/E (TTM)
- 33.0
- Dividend yield
- –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
31M
Shares held, 13F filers
Institutional holders
310
59 new, 36 sold out
Net institutional buying
0M
In Q2 2026
Insider trades, 12 months
0 buys · 1 sales
Net sold $518.24K
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| Capital International Investors | 264,925 | 5.80% | 13G (passive) | Jun 30, 2026 |
| Ruben Kliksberg | 2,122,931 | 6.80% | 13G (passive) | Dec 31, 2024 |
| American Century Investment Management, Inc. | 1,764,235 | 5.60% | 13G (passive) | Dec 31, 2025 |
| Vanguard Capital Management | 1,617,222 | 5.07% | 13G (passive) | Mar 31, 2026 |
| Goldman Sachs & Co. LLC | 1,564,295 | 5.20% | 13G (passive) | Mar 31, 2025 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of ATRO | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| BlackRock, Inc. | 3,056,789 | – | $248.39M | +231,379 | 0.00% |
| State Street Corp | 2,051,242 | – | $166.70M | −298,573 | 0.00% |
| American Century Companies Inc | 1,436,706 | – | $116.75M | −300,867 | 0.05% |
| Vanguard Capital Management LLC | 1,419,352 | – | $115.34M | +30,453 | 0.00% |
| Capital International Investors | 1,324,626 | – | $107.64M | +35,679 | 0.02% |
| Geode Capital Management, LLC | 1,041,399 | – | $84.64M | +154,366 | 0.00% |
| Pertento Partners LLP | 993,637 | – | $80.74M | +178,304 | 4.35% |
| Next Century Growth Investors LLC | 743,086 | – | $60.38M | −43,231 | 3.20% |
| Ameriprise Financial Inc | 709,845 | – | $57.68M | +259,178 | 0.01% |
| Dimensional Fund Advisors LP | 676,931 | – | $55.02M | +3,171 | 0.01% |
| Capital World Investors | 576,671 | – | $46.86M | +15,732 | 0.01% |
| Emerald Advisers, LLC | 513,984 | – | $41.77M | +64,858 | 0.98% |
| Goldman Sachs Group Inc | 484,353 | – | $39.36M | +29,299 | 0.00% |
| Westwood Holdings Group Inc | 430,281 | – | $34.96M | New | 0.26% |
| Morgan Stanley | 422,557 | – | $34.34M | −24,984 | 0.00% |
| Raymond James Financial Inc | 421,741 | – | $34.27M | −71,071 | 0.01% |
| Nuveen, LLC | 413,383 | – | $33.59M | +12,119 | 0.01% |
| D. E. Shaw & Co., Inc. | 406,571 | – | $33.04M | −201,878 | 0.02% |
| Vanguard Portfolio Management LLC | 400,061 | – | $32.51M | +34,047 | 0.00% |
| Royce & Associates LP | 393,413 | – | $31.97M | +30,030 | 0.26% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|
| Q2 2026 | 310 | 31M | 59 / 115 | 103 / 36 | 5M | 4M |
| Q1 2026 | 293 | 31M | 55 / 107 | 95 / 35 | 8M | 6M |
| Q4 2025 | 276 | 31M | 70 / 97 | 75 / 21 | 8M | 6M |
| Q3 2025 | 229 | 29M | 47 / 75 | 79 / 43 | 7M | 8M |
| Q2 2025 | 228 | 31M | 68 / 81 | 58 / 22 | 7M | 4M |
| Q1 2025 | 183 | 28M | 43 / 63 | 55 / 15 | 6M | 2M |
| Q4 2024 | 156 | 24M | 32 / 64 | 38 / 23 | 5M | 2M |
| Q3 2024 | 148 | 21M | 26 / 52 | 35 / 9 | 4M | 1M |
| Q2 2024 | 133 | 21M | 20 / 52 | 31 / 16 | 2M | 2M |
| Q1 2024 | 130 | 21M | 18 / 41 | 39 / 14 | 2M | 1M |
| Q4 2023 | 127 | 20M | 9 / 51 | 34 / 17 | 2M | 1M |
| Q3 2023 | 136 | 19M | 23 / 32 | 40 / 8 | 2M | 1M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
| Fund | Shares | % of ATRO | Value | % of fund | As of |
|---|---|---|---|---|---|
| SMALLCAP World Fund Inc | 1,849,886 | – | $150.32M | 0.16% | Jun 30, 2026 |
| State Street(R) SPDR(R) S&P(R) Aerospace & Defense ETF | 1,320,332 | – | $107.29M | 1.66% | Jun 30, 2026 |
| Vanguard Total Stock Market Index Fund | 1,016,177 | – | $82.57M | 0.00% | Jun 30, 2026 |
| iShares Russell 2000 ETF | 837,683 | – | $68.07M | 0.08% | Jun 30, 2026 |
| Small Cap Growth Fund | 768,490 | – | $53.40M | 0.96% | Jul 31, 2026 |
| Avantis U.S. Small Cap Value ETF | 447,305 | – | $38.92M | 0.14% | May 31, 2026 |
| Vanguard Extended Market Index Fund | 370,250 | – | $30.09M | 0.03% | Jun 30, 2026 |
| Fidelity Small Cap Index Fund | 351,113 | – | $24.40M | 0.07% | Jul 31, 2026 |
| Columbia Acorn Fund | 340,163 | – | $27.64M | 1.00% | Jun 30, 2026 |
| iShares U.S. Aerospace & Defense ETF | 320,012 | – | $26.00M | 0.18% | Jun 30, 2026 |
| iShares Russell 2000 Growth ETF | 292,316 | – | $23.75M | 0.15% | Jun 30, 2026 |
| Alger Small Cap Focus Fund | 282,009 | – | $19.60M | 2.30% | Jul 31, 2026 |
| Needham Aggressive Growth Fund | 272,500 | – | $22.14M | 0.85% | Jun 30, 2026 |
| Nuveen Quant Small Cap Equity Fund | 259,156 | – | $18.01M | 0.44% | Jul 31, 2026 |
| Emerald Growth Fund | 198,938 | – | $13.82M | 0.93% | Jul 31, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | Latest filing |
|---|---|---|---|
| Peter J. Gundermann | PRESIDENT/CEO, Director | 1,671,251 | Jun 17, 2026 |
| Mark Peabody | Executive VP & Pres-Aerospace | 260,727 | Aug 19, 2026 |
| Julie M. Davis | Secretary | 2,256 | Jun 17, 2026 |
| Nancy L. Hedges | Principal Accounting Officer | 8,560 | Jun 17, 2026 |
| Jeffry D. Frisby | Director | 10,931 | Sep 18, 2026 |
| Robert S. Keane | Director | 631,773 | Aug 26, 2026 |
| Robert T. Brady | Director | 252,856 | Jun 17, 2026 |
| Warren C. Johnson | Director | 9,951 | Jun 17, 2026 |
| Neil Y. Kim | Director | 8,811 | Jun 17, 2026 |
| Fay West | Director | 1,517 | Jun 17, 2026 |
| Mark J. Moran | Director | 8,811 | Jun 17, 2026 |
| Linda O'Brien | Director | 4,514 | Jun 17, 2026 |
| James Mulato | – | 11,457 | Jun 17, 2026 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Jeffry D. Frisby Director | Sep 16, 2026 | Option exercise | +1,520 | $23.75 | $36.10K | 10,931 |
| Jeffry D. Frisby Director | Sep 16, 2026 | Option exercise | +4,000 | $23.75 | $95.00K | 49,056 |
| Robert S. Keane Director | Aug 25, 2026 | Conversion | −76,000 | – | – | 173,838 |
| Robert S. Keane Director | Aug 25, 2026 | Conversion | +76,000 | – | – | 76,000 |
| Mark Peabody Executive VP & Pres-Aerospace | Aug 18, 2026 | Gift | −150 | – | – | 62,233 |
| Jeffry D. Frisby Director | Aug 17, 2026 | Gift | −2,000 | – | – | 45,056 |
| James Mulato – | Jun 15, 2026 | Other | +7,645 | – | – | 10,098 |
| Nancy L. Hedges Principal Accounting Officer | Jun 15, 2026 | Other | +6,666 | – | – | 7,953 |
| Robert S. Keane Director | Jun 15, 2026 | Other | +41,377 | – | – | 248,263 |
| Robert S. Keane Director | Jun 15, 2026 | Other | +2,786 | – | – | 2,786 |
| Robert S. Keane Director | Jun 15, 2026 | Other | +41,639 | – | – | 249,838 |
| Robert T. Brady Director | Jun 15, 2026 | Other | +53,085 | – | – | 229,451 |
| Peter J. Gundermann PRESIDENT/CEO, Director | Jun 15, 2026 | Other | +168,375 | – | – | 916,286 |
| Neil Y. Kim Director | Jun 15, 2026 | Other | +8,811 | – | – | 8,811 |
| Fay West Director | Jun 15, 2026 | Other | +1,517 | – | – | 1,517 |
| Mark Peabody Executive VP & Pres-Aerospace | Jun 15, 2026 | Other | +49,165 | – | – | 232,610 |
| Linda O'Brien Director | Jun 15, 2026 | Other | +240 | – | – | 240 |
| Linda O'Brien Director | Jun 15, 2026 | Other | +4,274 | – | – | 4,274 |
| Mark J. Moran Director | Jun 15, 2026 | Other | +8,811 | – | – | 8,811 |
| Warren C. Johnson Director | Jun 15, 2026 | Other | +9,951 | – | – | 9,951 |
| Jeffry D. Frisby Director | Jun 15, 2026 | Other | +9,411 | – | – | 9,411 |
| Julie M. Davis Secretary | Jun 15, 2026 | Other | +1,620 | – | – | 2,256 |
| Mark Peabody Executive VP & Pres-Aerospace | Mar 3, 2026 | Option exercise | +10,850 | $81.35 | $882.65K | 65,025 |
| Mark Peabody Executive VP & Pres-Aerospace | Mar 3, 2026 | Tax withholding | −2,642 | $81.35 | $214.93K | 62,383 |
| Nancy L. Hedges Principal Accounting Officer | Mar 3, 2026 | Tax withholding | −1,821 | $81.35 | $148.14K | 32,049 |
| Nancy L. Hedges Principal Accounting Officer | Mar 3, 2026 | Option exercise | +5,050 | $81.35 | $410.82K | 33,870 |
| James Mulato – | Mar 3, 2026 | Option exercise | +11,500 | $81.35 | $935.52K | 38,578 |
| James Mulato – | Mar 3, 2026 | Tax withholding | −2,801 | $81.35 | $227.86K | 35,777 |
| Peter J. Gundermann PRESIDENT/CEO, Director | Mar 3, 2026 | Option exercise | +13,550 | $81.35 | $1.10M | 97,457 |
| Peter J. Gundermann PRESIDENT/CEO, Director | Mar 3, 2026 | Tax withholding | −3,489 | $81.35 | $283.83K | 93,968 |
| Julie M. Davis Secretary | Mar 3, 2026 | Tax withholding | −1,472 | $81.35 | $119.75K | 7,466 |
| Julie M. Davis Secretary | Mar 3, 2026 | Option exercise | +3,000 | $81.35 | $244.05K | 8,938 |
| Robert T. Brady Director | Feb 26, 2026 | Option exercise | +1,290 | $22.93 | $29.58K | 176,366 |
| Robert T. Brady Director | Feb 26, 2026 | Tax withholding | −1,539 | $78.84 | $121.33K | 89,063 |
| Robert T. Brady Director | Feb 26, 2026 | Option exercise | +4,000 | $22.93 | $91.72K | 90,602 |
| Warren C. Johnson Director | Feb 19, 2026 | Award | +1,533 | – | – | 49,756 |
| Fay West Director | Feb 19, 2026 | Award | +1,533 | – | – | 7,588 |
| Mark J. Moran Director | Feb 19, 2026 | Award | +1,533 | – | – | 44,056 |
| Robert T. Brady Director | Feb 19, 2026 | Award | +1,533 | – | – | 86,602 |
| Linda O'Brien Director | Feb 19, 2026 | Award | +1,533 | – | – | 21,372 |
| Jeffry D. Frisby Director | Feb 19, 2026 | Award | +1,533 | – | – | 47,056 |
| Neil Y. Kim Director | Feb 19, 2026 | Award | +1,533 | – | – | 44,056 |
| Robert S. Keane Director | Feb 19, 2026 | Award | +1,533 | – | – | 13,934 |
| Mark Peabody Executive VP & Pres-Aerospace | Feb 9, 2026 | Gift | −2,000 | – | – | 183,445 |
| Mark Peabody Executive VP & Pres-Aerospace | Feb 9, 2026 | Gift | −500 | – | – | 54,175 |
| Jeffry D. Frisby Director | Dec 9, 2025 | Gift | −500 | – | – | 45,523 |
| Jeffry D. Frisby Director | Dec 4, 2025 | Gift | −500 | – | – | 46,023 |
| James Mulato – | Dec 1, 2025 | Sale | −9,734 | $53.24 | $518.24K | 27,078 |
| Jeffry D. Frisby Director | Dec 1, 2025 | Gift | −1,000 | – | – | 46,523 |
| Mark Peabody Executive VP & Pres-Aerospace | Nov 26, 2025 | Gift | −650 | – | – | 54,675 |
| Peter J. Gundermann PRESIDENT/CEO, Director | Nov 20, 2025 | Tax withholding | −11,707 | $49.35 | $577.74K | 83,907 |
| Peter J. Gundermann PRESIDENT/CEO, Director | Nov 20, 2025 | Option exercise | +4,418 | $27.72 | $122.47K | 747,911 |
| Peter J. Gundermann PRESIDENT/CEO, Director | Nov 20, 2025 | Option exercise | +13,700 | $27.72 | $379.76K | 95,614 |
| Peter J. Gundermann PRESIDENT/CEO, Director | Nov 20, 2025 | Option exercise | +4,418 | $27.72 | $122.47K | 747,911 |
| Peter J. Gundermann PRESIDENT/CEO, Director | Nov 20, 2025 | Tax withholding | −11,707 | $49.35 | $577.74K | 83,907 |
| Peter J. Gundermann PRESIDENT/CEO, Director | Nov 20, 2025 | Option exercise | +13,700 | $27.72 | $379.76K | 95,614 |
| Mark Peabody Executive VP & Pres-Aerospace | Nov 19, 2025 | Option exercise | +4,500 | $27.72 | $124.74K | 55,325 |
| Mark Peabody Executive VP & Pres-Aerospace | Nov 19, 2025 | Option exercise | +1,451 | $27.72 | $40.22K | 185,445 |
| Nancy L. Hedges Principal Accounting Officer | Nov 17, 2025 | Tax withholding | −984 | $52.15 | $51.32K | 28,365 |
| Nancy L. Hedges Principal Accounting Officer | Nov 17, 2025 | Option exercise | +1,400 | $27.72 | $38.81K | 29,349 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Planned insider sales
Notices of proposed sale filed on Form 144 before shares are sold
| Seller | Filed | Shares | Market value | Planned sale | Acquired through |
|---|---|---|---|---|---|
| Keane Robert Director | May 8, 2025 | 200,000 | $5.48M | May 8, 2025 | Acquired Class B common shares from Issuer in private transaction; Class B common shares to be converted to Class A common shares in connection with any sales |
| Keane Robert Director | Mar 7, 2025 | 77,099 | $1.89M | Mar 7, 2025 | Acquired as an inheritance from an estate |
| Keane Robert Director | Mar 4, 2024 | 2,933 | $56.05K | Mar 4, 2024 | Acquired as an inheritance from an estate |
| Keane Robert Director | Mar 1, 2024 | 32,594 | $624.83K | Mar 1, 2024 | Acquired as an inheritance from an estate |