Alphatec Holdings Inc (ATEC)
Healthcare
Medical Devices
9.50 $
-1.4%
vs. previous close
Closing price · As of: 31. Jul 2026
Who owns Alphatec Holdings Inc (ATEC)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 79.0% of the shares are freely tradable; institutional investors hold 77.4%.
Ownership Structure
Institutional ownership
Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings.
77.4%
Insiders
Share of the stock held by the executives, founders and major shareholders of the company itself.
20.5%
Float
Share of stock freely tradable on the market — not locked up in the hands of founders, insiders, or major shareholders.
79.0%
Short % of float
Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices.
9.3%
Shares Outstanding
Total number of shares issued. Price times share count gives market cap.
154Mio.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 6.56 | 10,088,182 | -0.7 | 03/31/2026 |
| Vanguard Group Inc | 4.48 | 6,883,626 | +1.0 | 12/31/2025 |
| American Century Companies Inc | 4.18 | 6,424,777 | -1.3 | 03/31/2026 |
| Vanguard Capital Management, LLC | 3.20 | 4,913,779 | +0.0 | 03/31/2026 |
| Royal Bank of Canada | 2.94 | 4,516,592 | -8.1 | 03/31/2026 |
| BNP Paribas Investment Partners SA | 2.35 | 3,616,330 | +13.8 | 03/31/2026 |
| State Street Corp | 1.97 | 3,031,164 | +4.9 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| American Century Small Cap Growth Inv | 3.19 | 4,902,028 | -3.1 | 03/31/2026 |
| American Century U.S. Small Cap Growth | 3.19 | 4,902,028 | -3.1 | 03/31/2026 |
| Vanguard Total Stock Mkt Idx Inv | 2.34 | 3,595,125 | +2.3 | 04/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.