Institutional Holders (2026 Q2)
287 + investorsExplore institutional interest and hedge fund ownership dynamics. Analyze portfolio weights, new positions, and conviction trends in ATRO. Verified SEC 13F-HR filings.
| # | Investor | % of Portfolio | Shares | Mkt Value |
|---|---|---|---|---|
| 1 | Pertento Partners LLP | 4.35% | 993,637 | $80.7M |
| 2 | Congruence Capital, LLC | 3.59% | 168,856 | $13.7M |
| 3 | Minerva Advisors LLC | 2.83% | 55,041 | $4.5M |
| 4 | Teton Advisors, LLC | 2.63% | 56,000 | $4.6M |
| 5 | Blue Jean Financial LLC | 1.42% | 25,020 | $2.0M |
| 6 | Beacon Harbor Wealth Advisors, Inc. | 1.29% | 95,359 | $6.6M |
| 7 | Emerald Advisers, LLC | 0.98% | 513,984 | $41.8M |
| 8 | White Pine Capital LLC | 0.97% | 50,391 | $4.1M |
| 9 | Emerald Mutual Fund Advisers Trust | 0.93% | 327,295 | $26.6M |
| 10 | SG Capital Management LLC | 0.60% | 89,151 | $7.2M |
| 11 | Informed Momentum Co LLC | 0.57% | 79,042 | $6.3M |
| 12 | Petra Financial Advisors Inc | 0.42% | 11,208 | $911K |
| 13 | Mark Sheptoff Financial Planning, LLC | 0.39% | 9,150 | $744K |
| 14 | Peregrine Capital Management LLC | 0.34% | 129,848 | $10.6M |
| 15 | nVerses Capital, LLC | 0.34% | 2,684 | $218K |
| 16 | Comprehensive Financial Planning, Inc./PA | 0.24% | 5,547 | $451K |
| 17 | RiverPark Advisors, LLC | 0.24% | 6,433 | $517K |
| 18 | Globeflex Capital L P | 0.22% | 21,590 | $1.8M |
| 19 | Lisanti Capital Growth, LLC | 0.22% | 12,280 | $998K |
| 20 | Skylands Capital, LLC | 0.22% | 21,600 | $1.8M |
| 21 | Aegon Asset Management UK plc | 0.21% | 245,048 | $19.9M |
| 22 | Legato Capital Management LLC | 0.20% | 29,988 | $2.4M |
| 23 | Ellsworth Advisors, LLC | 0.20% | 16,920 | $1.2M |
| 24 | Primoris Wealth Advisors, LLC | 0.19% | 5,000 | $406K |
| 25 | Hennion & Walsh Asset Management, Inc. | 0.18% | 79,689 | $6.5M |
| Investor | Ownership History |
% of Portfolio | Prev % | Rank | Conviction | Avg Buy Price | 13F Score™ 3Y / 7Y | Sell Timing | Shares | Mkt Value | Change | Change % | Source | Quarter | Filed |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|