Filing Flows › Alphatec Holdings (ATEC) › Who owns the stock
Who owns Alphatec Holdings (ATEC) stock
265 funds reported Alphatec Holdings (ATEC) shares in their latest 13F filings, worth $1.1B in all. The largest holder is Vanguard Group ($145M). Last quarter 127 funds added to their stakes and 128 cut them.
Largest holders (13F)
| Fund | Shares | Value | Change | Quarter |
|---|---|---|---|---|
| Vanguard Group | 6,883,626 | $145M | increase | 2025-12-31 |
| BlackRock | 11,326,677 | $98.0M | increase | 2026-06-30 |
| American Century Companies | 6,521,659 | $56.4M | increase | 2026-06-30 |
| Vanguard Capital Management LLC | 5,122,681 | $44.3M | increase | 2026-06-30 |
| BNP Paribas Asset Management Holding S.A. | 3,536,538 | $30.6M | decrease | 2026-06-30 |
| State Street | 3,481,349 | $30.1M | increase | 2026-06-30 |
| Jacobs Levy Equity Management | 3,352,133 | $29.0M | new | 2026-06-30 |
| Geode Capital Management, LLC | 3,188,894 | $27.6M | increase | 2026-06-30 |
| Iron Triangle Partners LP | 1,285,685 | $27.1M | new | 2025-12-31 |
| Royal Bank of Canada | 2,995,410 | $25.9M | decrease | 2026-06-30 |
| Nuveen, LLC | 2,601,600 | $22.5M | decrease | 2026-06-30 |
| Tremblant Capital | 2,577,799 | $22.3M | increase | 2026-06-30 |
| Citadel Advisors LLC | 2,461,400 | $21.3M | increase | 2026-06-30 |
| AQR Capital Management LLC | 2,386,326 | $20.6M | increase | 2026-06-30 |
| Emerald Advisers, LLC | 2,104,451 | $18.2M | increase | 2026-06-30 |
Alphatec Holdings' latest quarter
Alphatec Holdings, Q3 2026: revenue $221M (+13% year over year), operating margin 1.5%, net loss $5.5M, operating cash flow $18.9M. The chart follows the revenue to costs, profit and cash.
Questions
Who owns the most ATEC stock?
By the latest 13F filings: Vanguard Group ($145M); BlackRock ($98.0M); American Century Companies ($56.4M); Vanguard Capital Management LLC ($44.3M); BNP Paribas Asset Management Holding S.A. ($30.6M).
What is the short interest in ATEC?
13,283,446 shares were sold short at the 2026-10-15 settlement, -5.62% of the float.
Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.