Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in ATRO held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 2.8M | $188.5M | +1.0% | 7.883% | 0.00% |
| 2 | STATE STREET CORP | 2.3M | $156.8M | +28.2% | 6.556% | 0.01% |
| 3 | AMERICAN CENTURY COMPANIES INC | 1.7M | $115.9M | -1.5% | 4.848% | 0.06% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 1.4M | $92.7M | β | 3.875% | 0.00% |
| 5 | Capital International Investors | 1.3M | $86.0M | -30.3% | 3.596% | 0.02% |
| 6 | UBS Group AG | 1.1M | $74.2M | +0.8% | 3.101% | 0.01% |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | 887K | $59.2M | +17.3% | 2.475% | 0.00% |
| 8 | Pertento Partners LLP | 815K | $54.4M | β | 2.275% | 5.77% |
| 9 | NEXT CENTURY GROWTH INVESTORS LLC | 786K | $52.5M | -26.4% | 2.194% | 3.80% |
| 10 | DIMENSIONAL FUND ADVISORS LP | 674K | $45.0M | +5.3% | 1.880% | 0.01% |
| 11 | D. E. Shaw & Co., Inc. | 608K | $40.6M | +23.3% | 1.698% | 0.04% |
| 12 | Point72 Asset Management, L.P. | 571K | $38.1M | +14.8% | 1.592% | 0.05% |
| 13 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 570K | $38.0M | +623.2% | 1.589% | 0.00% |
| 14 | Capital World Investors | 561K | $37.4M | β | 1.565% | 0.01% |
| 15 | TORONTO DOMINION BANK | 494K | $33.0M | +284.6% | 1.379% | 0.05% |
| 16 | RAYMOND JAMES FINANCIAL INC | 493K | $31.5M | +13.1% | 1.375% | 0.01% |
| 17 | GOLDMAN SACHS GROUP INC | 455K | $30.4M | +44.6% | 1.270% | 0.00% |
| 18 | AMERIPRISE FINANCIAL INC | 451K | $30.1M | +76.1% | 1.257% | 0.01% |
| 19 | EMERALD ADVISERS, LLC | 449K | $30.0M | +85.0% | 1.253% | 0.95% |
| 20 | MORGAN STANLEY | 448K | $29.9M | -18.9% | 1.249% | 0.00% |
| 21 | Nuveen, LLC | 401K | $26.8M | -0.6% | 1.120% | 0.01% |
| 22 | HENNESSY ADVISORS INC | 378K | $25.2M | -3.4% | 1.054% | 0.91% |
| 23 | BNP PARIBAS ARBITRAGE, SA | 371K | $24.8M | -16.5% | 1.035% | 0.01% |
| 24 | VANGUARD PORTFOLIO MANAGEMENT LLC | 366K | $24.4M | β | 1.021% | 0.00% |
| 25 | ROYCE & ASSOCIATES LP | 363K | $24.2M | -30.2% | 1.014% | 0.24% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in ATRO β a direct measure of their conviction.
Filings activity in ATRO during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 284 | +6.0% | 61.81% | +13.62 pp | $2.13B | +28% |
| Q4 2025 | 268 | +21% | 48.19% | +9.80 pp | $1.66B | +26% |
| Q3 2025 | 222 | +0.5% | 38.39% | +10.22 pp | $1.32B | +36% |
| Q2 2025 | 221 | +25% | 28.17% | +9.91 pp | $969M | +54% |
| Q1 2025 | 177 | +17% | 18.26% | +7.95 pp | $628M | +77% |
| Q4 2024 | 151 | +5.6% | 10.31% | 0.65 pp | $355M | 5.9% |
| Q3 2024 | 143 | +13% | 10.96% | 0.26 pp | $377M | 2.3% |
| Q2 2024 | 126 | β | 11.22% | β | $386M | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying ATRO stock.
Based on Q1 2026 13F filings, institutional ownership of Astronics Corporation stands at 61.8%, held across 284 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of ATRO, with approximately 2,825,410 shares worth $0.19B as of Q1 2026.
Yes β 2 widely-followed marquee investors appear among the top 25 institutional holders of ATRO, including Point72 Asset Management, L.P., SUSQUEHANNA INTERNATIONAL GROUP, LLP.
Our composite Smart Money Score for ATRO is 67 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
57 institutions opened new positions in ATRO during Q1 2026, while 41 fully exited. 171 added to existing positions and 55 trimmed.
ATRO institutional ownership rose by 13.62 percentage points quarter-over-quarter, with a net change of +16 holders.
The top 10 institutions account for 43.5% of all reported 13F value in ATRO, and the top 25 account for 65.3%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Astronics Corporation (ATRO) Institutional Ownership