Alphatec
Builds spine-focused surgical implants, imaging, and procedural software for spine disorder treatment.
$9.44
After-hours close+0.01 (+0.16%)
At close$9.43(−1.52%)
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Breakdown13F · Form 4
Institutions 73.96%113.75M sharesInsiders 15.22%23.41M sharesOther 10.82%16.63M shares
Shares outstanding 153.79M · Float 121.05M · 78.7% free float
Institutions13F, as of Jun 30, 2026
280 holders · 113.75M shares · 43 new positions · 151 increased · 81 reduced · 59 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 11.33M | 7.37% | +1.24M | Aug 7, 2026 |
| Braidwell LP | 6.53M | 4.25% | +4.36M | Aug 14, 2026 |
| American Century Companies Inc | 6.52M | 4.24% | +96.9K | Aug 12, 2026 |
| Vanguard Capital Management LLC | 5.12M | 3.33% | +208.9K | Aug 13, 2026 |
| BNP Paribas Asset Management Holding S.A. | 3.54M | 2.30% | −79.8K | Aug 13, 2026 |
| State Street Corp | 3.48M | 2.26% | +450.2K | Aug 7, 2026 |
| Jacobs Levy Equity Management, Inc | 3.35M | 2.18% | +3.35Mnew | Aug 14, 2026 |
| Geode Capital Management, LLC | 3.19M | 2.07% | +282.5K | Aug 12, 2026 |
Beneficial owners13D/G · 5% or more, as filed
No 13D/G filer at 5% or more on record.
InsidersForm 4
| Insider | Role | Shares | % outstanding | Filed |
|---|---|---|---|---|
| David R. Pelizzon | director | 10.77M | 7.01% | Jun 12, 2026 |
| Pritzker Jennifer N. | 10 percent owner | 10.65M | 6.92% | Dec 10, 2025 |
| Squadron Capital LLC | 10 percent owner | 10.65M | 6.92% | Dec 10, 2025 |
| Patrick Miles | director, officer: CEO | 5.78M | 3.76% | Mar 9, 2026 |
| Craig E. Hunsaker | officer: EVP, PEOPLE & CULTURE | 1.73M | 1.12% | Mar 10, 2026 |
| Scott Lish | officer: CHIEF OPERATING OFFICER | 815.7K | 0.53% | Mar 17, 2026 |
| Mortimer III Berkowitz | director | 650.1K | 0.42% | Jun 12, 2026 |
| Tyson Eliot Marshall | officer: GENERAL COUNSEL & CORP. SEC. | 630.4K | 0.41% | Aug 7, 2026 |
| John Todd Koning | officer: CHIEF FINANCIAL OFFICER | 600.7K | 0.39% | Mar 17, 2026 |
| Quentin S. Blackford | director | 600.4K | 0.39% | Jun 12, 2026 |
8 ten-percent owners hold 37.72M shares by Form 4, outside the officers-and-directors figure above · 38 people have not refiled in the last 18 months (4.53M shares), so they are not in the figure above
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Aug 5, 2026 | Tyson Eliot Marshallofficer: GENERAL COUNSEL & CORP. SEC. | Sale | 8,168 | $9.65 | 630,398 |
| Jun 11, 2026 | Karen K. Mcginnisdirector | Sale | 6,050 | $8.01 | 94,671 |
| May 7, 2026 | Keith Valentinedirector | Purchase | 56,153 | $7.49 | 153,424 |
| May 8, 2026 | Keith Valentinedirector | Purchase | 43,847 | $7.54 | 197,271 |
| May 11, 2026 | Keith Valentinedirector | Purchase | 35,000 | $7.00 | 232,271 |
| Mar 13, 2026 | Scott Lishofficer: CHIEF OPERATING OFFICER | Sale | 260,535 | $12.30 | 815,704 |
| Mar 13, 2026 | John Todd Koningofficer: CHIEF FINANCIAL OFFICER | Sale | 79,789 | $12.36 | 600,721 |
| Mar 11, 2026 | David Sponselofficer: EVP, SALES | Sale | 163,452 | $12.52 | 504,932 |
| Mar 9, 2026 | Craig E. Hunsakerofficer: EVP, PEOPLE & CULTURE | Sale | 82,765 | $12.45 | 1,726,209 |
| Mar 6, 2026 | Craig E. Hunsakerofficer: EVP, PEOPLE & CULTURE | Sale | 33,602 | $12.22 | 1,808,974 |
CongressHouse and Senate disclosures
Not reported.