Who owns Alphatec Holdings, Inc.?
Institutional ownership of ATEC from SEC Form 13F filings across 187 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
187
13F holders
$662.5M
value, 2026 filers
49.9%
of shares outstanding (76.8M sh)
27
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of ATEC's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 11.3M | $98.0M | 0.0% | 7.4% | +12.3% |
| 2 | AMERICAN CENTURY COMPANIES INC | 6.5M | $56.4M | 0.0% | 4.2% | +1.5% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 5.1M | $44.3M | 0.0% | 3.3% | -47.9% |
| 4 | BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 3.5M | $30.6M | 0.0% | 2.3% | -2.2% |
| 5 | GEODE CAPITAL MANAGEMENT, LLC | 3.2M | $27.6M | 0.0% | 2.1% | +9.7% |
| 6 | ROYAL BANK OF CANADA | 3.0M | $25.9M | 0.0% | 1.9% | -33.7% |
| 7 | Nuveen, LLC | 2.6M | $22.5M | 0.0% | 1.7% | -8.7% |
| 8 | CITADEL ADVISORS LLC | 2.5M | $21.3M | 0.0% | 1.6% | +187.1% |
| 9 | UBS Group AG | 2.0M | $17.5M | 0.0% | 1.3% | +3.8% |
| 10 | BANK OF AMERICA CORP /DE/ | 2.0M | $17.1M | 0.0% | 1.3% | -22.8% |
| 11 | NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 2.0M | $17.1M | 0.0% | 1.3% | +52.8% |
| 12 | Cerity Partners LLC | 1.9M | $16.3M | 0.0% | 1.2% | +3.3% |
| 13 | GOLDMAN SACHS GROUP INC | 1.7M | $14.3M | 0.0% | 1.1% | -5.1% |
| 14 | RAYMOND JAMES FINANCIAL INC | 1.6M | $14.2M | 0.0% | 1.1% | +63.1% |
| 15 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 1.6M | $13.5M | 0.0% | 1% | +208.6% |
| 16 | MORGAN STANLEY | 1.5M | $13.3M | 0.0% | 1% | -7.0% |
| 17 | NORTHERN TRUST CORP | 1.4M | $12.4M | 0.0% | 0.9% | +5.1% |
| 18 | VANGUARD PORTFOLIO MANAGEMENT LLC | 1.2M | $10.4M | 0.0% | 0.8% | +8.5% |
| 19 | Aberdeen Group plc | 1.2M | $10.3M | 0.0% | 0.8% | -8.0% |
| 20 | Freestone Grove Partners LPNEW | 1.2M | $10.1M | 0.1% | 0.8% | new |
| 21 | MILLENNIUM MANAGEMENT LLC | 1.1M | $9.9M | 0.0% | 0.7% | -59.2% |
| 22 | NEW YORK STATE COMMON RETIREMENT FUND | 1.1M | $9.5M | 0.0% | 0.7% | -7.0% |
| 23 | Sixth Street Partners Management Company, L.P.NEW | 995,314 | $8.6M | 1.5% | 0.6% | new |
| 24 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 995,314 | $8.6M | 0.0% | 0.6% | +1.8% |
| 25 | FMR LLC | 925,732 | $8.0M | 0.0% | 0.6% | +222.1% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.