Astronics Corp (ATROB) shareholders
ATROBOTCAircraft Parts & Auxiliary Equipment, NECFiscal year ends December 31Also trades as ATRO
$63.20+1.58 (+2.56%)
Close on Oct 19, 2026Market cap $2.94BP/E 33.4Yield –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
1M
Shares held, 13F filers
Institutional holders
20
19 new, 0 sold out
Net institutional buying
1M
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 |
|---|---|---|---|---|
| Ruben Kliksberg Joint filing with Redwood Capital Management LLC (6.80%), Redwood Capital Management Holdings, LP (6.80%) and 1 more | 2,122,931 | 6.80% | 13G (passive) | Dec 31, 2024 |
| American Century Investment Management, Inc. Joint filing with American Century Companies, Inc. (5.60%), Stowers Institute for Medical Research (5.60%) | 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 Joint filing with The Goldman Sachs Group, Inc. (5.20%) | 1,564,295 | 5.20% | 13G (passive) | Mar 31, 2025 |
| Capital International Investors | 264,925 | 5.80% | 13G (passive) | Jun 30, 2026 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of ATROB | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| Next Century Growth Investors LLC | 152,050 | – | $11.56M | New | 0.61% |
| Emerald Advisers, LLC | 103,535 | – | $7.87M | New | 0.19% |
| Ophir Asset Management Pty Ltd | 69,726 | – | $5.30M | New | 0.44% |
| Emerald Mutual Fund Advisers Trust | 65,459 | – | $4.97M | New | 0.17% |
| Private Capital Management, LLC | 42,403 | – | $3.22M | New | 0.28% |
| Kennedy Capital Management LLC | 28,238 | – | $2.15M | New | 0.04% |
| White Pine Capital LLC | 10,157 | – | $771.93K | New | 0.18% |
| Martingale Asset Management L P | 6,509 | – | $494.68K | New | 0.01% |
| Ironwood Investment Management LLC | 5,850 | – | $444.57K | New | 0.15% |
| Legato Capital Management LLC | 4,754 | – | $361.30K | New | 0.03% |
| Globeflex Capital L P | 4,317 | – | $328.09K | New | 0.04% |
| Rhumbline Advisers | 3,300 | – | $250.80K | New | 0.00% |
| Los Angeles Capital Management LLC | 2,950 | – | $224.20K | New | 0.00% |
| Mark Sheptoff Financial Planning, LLC | 1,830 | – | $139.08K | New | 0.07% |
| Public Employees Retirement Association Of Colorado | 983 | – | $75.00K | New | 0.00% |
| GAMMA Investing LLC | 115 | – | $8.74K | New | 0.00% |
| FNY Investment Advisers, LLC | 67 | – | $5.00K | −13 | 0.00% |
| Massmutual Trust Co Fsb/Adv | 28 | – | $2.13K | New | 0.00% |
| Sterling Capital Management LLC | 28 | – | $2.13K | New | 0.00% |
| Zions Bancorporation, National Association /Ut/ | 3 | – | $258 | New | 0.00% |
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 | 20 | 1M | 19 / 0 | 1 / 0 | 1M | 0M |
| Q1 2026 | 2 | 0M | 1 / 0 | 0 / 0 | 0M | 0M |
| Q4 2025 | 1 | 0M | 0 / 0 | 0 / 0 | 0M | 0M |
| Q3 2025 | 1 | 0M | 0 / 0 | 0 / 1 | 0M | 0M |
| Q2 2025 | 2 | 0M | 1 / 0 | 0 / 0 | 0M | 0M |
| Q1 2025 | 1 | 0M | 0 / 0 | 0 / 0 | 0M | 0M |
| Q4 2024 | 1 | 0M | 0 / 0 | 0 / 0 | 0M | 0M |
| Q3 2024 | 1 | 0M | 0 / 0 | 0 / 1 | 0M | 0M |
| Q2 2024 | 2 | 0M | 1 / 0 | 0 / 0 | 0M | 0M |
| Q1 2024 | 1 | 0M | 0 / 0 | 0 / 0 | 0M | 0M |
| Q4 2023 | 1 | 0M | 0 / 0 | 0 / 0 | 0M | 0M |
| Q3 2023 | 1 | 0M | 0 / 0 | 0 / 0 | 0M | 0M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
153 funds held ATROB in Q2 2026, 49% of their shares through ETFs. Each fund counts once per quarter, from its quarter-end report.
| Fund | Shares | % of ATROB | Value | % of fund | As of |
|---|---|---|---|---|---|
| SMALLCAP World Fund Inc | 369,977 | – | $28.12M | 0.03% | Jun 30, 2026 |
| State Street(R) SPDR(R) S&P(R) Aerospace & Defense ETF | 329,971 | – | $25.08M | 0.39% | Jun 30, 2026 |
| Vanguard Total Stock Market Index Fund | 201,825 | – | $15.34M | 0.00% | Jun 30, 2026 |
| iShares Russell 2000 ETF | 149,828 | – | $11.39M | 0.01% | Jun 30, 2026 |
| Small Cap Growth Fund | 146,713 | – | $10.13M | 0.18% | Jul 31, 2026 |
| U.S. Small Cap Portfolio | 72,157 | – | $4.98M | 0.03% | Jul 31, 2026 |
| Vanguard Extended Market Index Fund | 71,409 | – | $5.43M | 0.01% | Jun 30, 2026 |
| U.S. Micro Cap Portfolio | 69,367 | – | $4.79M | 0.06% | Jul 31, 2026 |
| iShares U.S. Aerospace & Defense ETF | 68,793 | – | $5.23M | 0.04% | Jun 30, 2026 |
| Columbia Acorn Fund | 68,033 | – | $5.17M | 0.19% | Jun 30, 2026 |
| 1290 VT GAMCO Small Company Value Portfolio | 61,000 | – | $4.64M | 0.10% | Jun 30, 2026 |
| Alger Small Cap Focus Fund | 56,401 | – | $3.89M | 0.46% | Jul 31, 2026 |
| Needham Aggressive Growth Fund | 54,500 | – | $4.14M | 0.16% | Jun 30, 2026 |
| iShares Russell 2000 Growth ETF | 46,976 | – | $3.57M | 0.02% | Jun 30, 2026 |
| U.S. Core Equity 2 Portfolio | 42,932 | – | $2.96M | 0.01% | 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 | 424,887 | Aug 26, 2026 |
| Robert T. Brady | Director | 229,451 | 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.
Short interest
Shares sold short and not yet bought back, as of Oct 15, 2026 (FINRA, reported twice a month)
Short % of shares outstanding
–
0M shares short
Days to cover
17.1
At 0M shares a day
Change since last report
-1.1%
From 0M shares
Short volume, 0 days
–
Of volume reported to FINRA
Shares sold short, last 12 months
Short sale volume counts trades marked short on any given day, including market-maker hedging, so it runs far higher than the share of Astronics's stock actually held short. No settlement fails above the SEC's reporting threshold in the last 90 days.
Planned insider sales
Notices of proposed sale filed on Form 144 before shares are sold
| Seller | Filed | Shares | Market value | Planned sale | Acquired through |
|---|---|---|---|---|---|
| Robert S. Keane 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 |
| Robert S. Keane Director | Mar 7, 2025 | 77,099 | $1.89M | Mar 7, 2025 | Acquired as an inheritance from an estate |
| Robert S. Keane Director | Mar 4, 2024 | 2,933 | $56.05K | Mar 4, 2024 | Acquired as an inheritance from an estate |
| Robert S. Keane Director | Mar 1, 2024 | 32,594 | $624.83K | Mar 1, 2024 | Acquired as an inheritance from an estate |