CUSIP: 004397105 | NYSE | Healthcare · Medical Devices | Micro Cap | 603 institutional holders
5%+ stakes reported outside the quarterly cycle. A 13D is due within five business days of the event below, so these figures lead the holders table until the filer's next 13F catches up to them.
| Holder | Shares | % of Class | Change | Event Date | vs 13F |
|---|---|---|---|---|---|
| 13G/ANeuberger Berman Group LLC with Neuberger Berman Investment Advisers LLC | 5,484,393 | 4.6% | −589,270 | Jul 31, 2026 | 31d ahead of 13F (6,073,663 sh) · −589,270 |
| 13D/ATCW Group Inc | 27,527,916 | 18.7% | +8,585,857 | Jul 29, 2026 | 29d ahead of 13F (18,942,059 sh) · +8,585,857 |
| Style | Turnover | Location | Filed | ||||
|---|---|---|---|---|---|---|---|
| 4,832,616 | $1.3M | 1.2% | Deep Value | Very Low | Newton, MA | 2026-10-19 | |
| 647,915 | $175.0K | 0.1% | Growth | Very Low | Armonk, NY | 2026-10-13 | |
| 303,330 | $81.9K | 0.0% | ETF | Medium | Westlake Village, CA | 2026-10-09 | |
| 264,620 | $71.5K | 0.0% | Core | Low | Chicago, IL | 2026-10-27 | |
| 255,886 | $69.1K | 0.0% | Growth | High | Senningerberg, Netherlands | 2026-10-15 | |
| 84,592 | $22.8K | 0.0% | Core | Very High | Chicago, IL | 2026-11-04 | |
| 52,151 | $12.6K | 0.0% | Core | Low | Plymouth, MN | 2026-10-13 | |
| 21,000 | $5.7K | 0.0% | Core | Low | New York, NY | 2026-10-26 | |
| 16,406 | $4.4K | 0.0% | Index | Very Low | Overland Park, KS | 2026-11-02 | |
| 14,304 | $3.9K | 0.0% | Core | Very Low | Seattle, WA | 2026-11-03 | |
| 13,675 | $3.7K | 0.0% | Core | Low | Green Bay, WI | 2026-10-30 | |
| 5,347 | $1.4K | 0.0% | Value | Medium | Rancho Santa Fe, CA | 2026-10-14 | |
| 3,609 | $975 | 0.0% | Core | Medium | New York, NY | 2026-11-04 | |
| 2,810 | $759 | 0.0% | Core | Medium | Birmingham, AL | 2026-11-04 | |
| 1,422 | $384 | 0.0% | Index | Low | San Francisco, CA | 2026-10-08 | |
| 852 | $231 | 0.0% | ETF | Medium | Akron, OH | 2026-10-13 | |
| 479 | $67 | 0.0% | Growth | Very Low | Nashua, NH | 2026-11-04 | |
| 419 | $113 | 0.0% | ETF | Medium | Scottsdale, AZ | 2026-10-14 | |
| 151 | $41 | 0.0% | ETF | Low | Fort Lauderdale, FL | 2026-10-30 | |
| 104 | $28 | 0.0% | Agg Growth | Low | Tokyo, Mexico | 2026-10-22 | |
| 25 | $7 | 0.0% | ETF | Very Low | Sylvania, OH | 2026-10-26 |