Ticker: ATRO CUSIP: 046433108 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Institution | Shares | Value ($000) |
|---|---|---|
| CASPIAN CAPITAL LP | 227,724 | $12,352 |
| Candelo Capital Management LP | 83,642 | $4,537 |
| Atom Investors LP | 188,492 | $10,224 |
| EMERALD ADVISERS, LLC | 242,727 | $13,166 |
| EMERALD MUTUAL FUND ADVISERS TRUST | 156,719 | $8,500 |
| SANDLER CAPITAL MANAGEMENT | 19,094 | $1,036 |
| Kingdom Financial Group LLC. | 15,408 | $836 |
| PETRA FINANCIAL ADVISORS INC | 9,792 | $531 |
| Lisanti Capital Growth, LLC | 18,270 | $991 |
| PharVision Advisers, LLC | 8,409 | $456 |
| Harvest Investment Services, LLC | 14,287 | $775 |
| SummitTX Capital, L.P. | 53,446 | $2,899 |
| Scientech Research LLC | 4,498 | $244 |
| Integrated Quantitative Investments LLC | 6,822 | $370 |
| FORTRESS PRIVATE LEDGER, LLC | 3,869 | $210 |
| DARK FOREST CAPITAL MANAGEMENT LP | 24,541 | $1,331 |
| Point72 Asset Management, L.P. | 497,260 | $26,971 |
| Versor Investments LP | 6,506 | $353 |
| KFA Private Wealth Group, LLC | 3,797 | $206 |
| FRED ALGER MANAGEMENT, LLC | 147,144 | $7,981 |
| Institution | Prev Shares | Curr Shares | Change |
|---|---|---|---|
| SG Capital Management LLC | 254,707 | 291,349 | +36,642 (+14.4%) |
| DRIEHAUS CAPITAL MANAGEMENT LLC | 260,805 | 666,498 | +405,693 (+155.6%) |
| KENNEDY CAPITAL MANAGEMENT LLC | 48,093 | 109,286 | +61,193 (+127.2%) |
| AMERICAN CENTURY COMPANIES INC | 539,006 | 1,764,235 | +1,225,229 (+227.3%) |
| PIER 88 INVESTMENT PARTNERS LLC | 14,430 | 17,330 | +2,900 (+20.1%) |
| Quantbot Technologies LP | 5,461 | 22,678 | +17,217 (+315.3%) |
| Campbell & CO Investment Adviser LLC | 5,607 | 13,494 | +7,887 (+140.7%) |
| State of Wyoming | 4,196 | 8,482 | +4,286 (+102.1%) |
| FIRST TRUST ADVISORS LP | 17,070 | 243,478 | +226,408 (+1326.4%) |
| RAYMOND JAMES FINANCIAL INC | 12,283 | 435,815 | +423,532 (+3448.1%) |
| TUDOR INVESTMENT CORP ET AL | 6,119 | 96,386 | +90,267 (+1475.2%) |
| GWN SECURITIES INC. | 4,723 | 6,353 | +1,630 (+34.5%) |
| Hennion & Walsh Asset Management, Inc. | 44,166 | 50,805 | +6,639 (+15.0%) |
| Capital International Investors | 1,407,000 | 1,849,886 | +442,886 (+31.5%) |
| HSBC HOLDINGS PLC | 6,202 | 148,309 | +142,107 (+2291.3%) |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC | 180,954 | 212,081 | +31,127 (+17.2%) |
| BlackRock, Inc. | 2,266,091 | 2,798,368 | +532,277 (+23.5%) |
| UBS Group AG | 65,404 | 282,024 | +216,620 (+331.2%) |
| STATE STREET CORP | 1,452,368 | 1,832,179 | +379,811 (+26.2%) |
| Advisors Asset Management, Inc. | 140,013 | 145,941 | +5,928 (+4.2%) |
| Institution | Prev Shares | Curr Shares | Change |
|---|---|---|---|
| 325 CAPITAL LLC | 1,360,675 | 70,000 | -1,290,675 (-94.9%) |
| ACK Asset Management LLC | 1,230,000 | 597,469 | -632,531 (-51.4%) |
| Minerva Advisors LLC | 195,041 | 102,244 | -92,797 (-47.6%) |
| Luxor Capital Group, LP | 1,155,398 | 453,305 | -702,093 (-60.8%) |
| Teton Advisors, LLC | 110,000 | 77,000 | -33,000 (-30.0%) |
| NEXT CENTURY GROWTH INVESTORS LLC | 1,214,287 | 1,067,612 | -146,675 (-12.1%) |
| Private Capital Management, LLC | 561,257 | 555,434 | -5,823 (-1.0%) |
| Senator Investment Group LP | 621,694 | 459,005 | -162,689 (-26.2%) |
| Schonfeld Strategic Advisors LLC | 463,109 | 22,500 | -440,609 (-95.1%) |
| HENNESSY ADVISORS INC | 416,300 | 390,900 | -25,400 (-6.1%) |
| GLOBEFLEX CAPITAL L P | 35,628 | 21,590 | -14,038 (-39.4%) |
| PDT Partners, LLC | 110,386 | 82,900 | -27,486 (-24.9%) |
| Skylands Capital, LLC | 39,400 | 28,800 | -10,600 (-26.9%) |
| ROYCE & ASSOCIATES LP | 604,777 | 520,597 | -84,180 (-13.9%) |
| WHITE PINE CAPITAL LLC | 72,001 | 70,843 | -1,158 (-1.6%) |
| Diametric Capital, LP | 18,122 | 14,640 | -3,482 (-19.2%) |
| EAM Investors, LLC | 128,674 | 126,159 | -2,515 (-2.0%) |
| EARNEST PARTNERS LLC | 129,621 | 4,083 | -125,538 (-96.9%) |
| Trexquant Investment LP | 136,518 | 91,231 | -45,287 (-33.2%) |
| Engineers Gate Manager LP | 75,628 | 38,002 | -37,626 (-49.8%) |
| Institution | Prev Shares | Prev Value ($000) |
|---|---|---|
| DENDUR CAPITAL LP | 362,000 | $16,511 |
| TradeLink Capital LLC | 4,578 | $0 |
| ALTA FOX CAPITAL MANAGEMENT, LLC | 41,048 | $1,872 |
| RBF Capital, LLC | 100,372 | $4,578 |
| Shay Capital LLC | 16,800 | $766 |
| Aigen Investment Management, LP | 9,278 | $423 |
| Numerai GP LLC | 10,602 | $484 |
| Winthrop Partners - WNY, LLC | 925 | $27,176 |
| Counterpoint Mutual Funds LLC | 11,215 | $512 |
| PRELUDE CAPITAL MANAGEMENT, LLC | 10,416 | $475 |
| TWO SIGMA SECURITIES, LLC | 4,935 | $225 |
| LAZARD ASSET MANAGEMENT LLC | 236,140 | $10,770 |
| Aquatic Capital Management LLC | 19,857 | $906 |
| USA FINANCIAL FORMULAS | 3,047 | $139 |
| Jain Global LLC | 45,100 | $2,057 |
| WINTON GROUP Ltd | 8,644 | $394 |
| PFG Investments, LLC | 5,865 | $268 |
| BRIGHTON JONES LLC | 7,085 | $323 |
| LINDEN ADVISORS LP | 21,746 | $992 |
| ExodusPoint Capital Management, LP | 10,625 | $485 |