Alphatec Holdings, Inc.
ATEC- Exchange
- Nasdaq
- Industry
- Surgical & Medical Instruments & Apparatus
- SEC CIK
- 0001350653
In the last 90 days, Alphatec Holdings, Inc. insiders filed 1 open-market purchase and 1 sale; 267 institutions reported holding it in 13F filings for Q2 2026, worth $966.6M in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in Alphatec Holdings, Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 285
- +6 vs. Q4 2025
- Shares held
- 113.1M
- +2.53M (+2.3%) vs. Q4 2025
- Total value
- $1.23B
- −$1.09B (−47.0%) vs. Q4 2025
- New holders
- 56
- 109 more added
- Sold out
- 50
- 78 more reduced
6 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ATEC on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 267 | $966.6M |
| Q1 2026 | 285 | $1.23B |
| Q4 2025 | 285 | $2.51B |
| Q3 2025 | 275 | $1.57B |
| Q2 2025 | 239 | $1.12B |
| Q1 2025 | 231 | $898.8M |
| Q4 2024 | 229 | $778.1M |
| Q3 2024 | 216 | $461.3M |
| Q2 2024 | 218 | $976.4M |
| Q1 2024 | 224 | $1.26B |
| Q4 2023 | 206 | $1.37B |
| Q3 2023 | 201 | $904.8M |
| Q2 2023 | 209 | $1.25B |
| Q1 2023 | 184 | $919.9M |
| Q4 2022 | 182 | $666.3M |
| Q3 2022 | 164 | $447.7M |
| Q2 2022 | 161 | $329.9M |
| Q1 2022 | 162 | $609.7M |
| Q4 2021 | 172 | $611.1M |
| Q3 2021 | 165 | $648.0M |
| Q2 2021 | 153 | $681.7M |
| Q1 2021 | 158 | $692.0M |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Alphatec Holdings, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Fred Alger Management, LLC | 0 | $0 | 0.00% | −58,817−100.0% | Sold out |
| Deerfield Management Company, L.P. (Series C) | 0 | $0 | 0.00% | −57,277−100.0% | Sold out |
| FirstWave Capital Management LLC | 0 | $0 | 0.00% | −52,726−100.0% | Sold out |
| O'Shaughnessy Asset Management, LLC | 0 | $0 | 0.00% | −45,445−100.0% | Sold out |
| Focused Alpha, LLC | 0 | $0 | 0.00% | −40,220−100.0% | Sold out |
| Numerai GP LLC | 0 | $0 | 0.00% | −35,976−100.0% | Sold out |
| Graham Capital Management, L.P. | 0 | $0 | 0.00% | −33,476−100.0% | Sold out |
| Versor Investments LP | 0 | $0 | 0.00% | −30,584−100.0% | Sold out |
| PEAK6 LLC | 0 | $0 | 0.00% | −25,043−100.0% | Sold out |
| Dark Forest Capital Management LP | 0 | $0 | 0.00% | −22,240−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −21,520−100.0% | Sold out |
| NBC Securities, Inc. | 0 | $0 | 0.00% | −20,513−100.0% | Sold out |
| Fifth Lane Capital, LP | 0 | $0 | 0.00% | −20,000−100.0% | Sold out |
| Birchview Capital, LP | 0 | $0 | 0.00% | −18,058−100.0% | Sold out |
| Voloridge Investment Management, LLC | 0 | $0 | 0.00% | −15,242−100.0% | Sold out |
| Oppenheimer Asset Management Inc. | 0 | $0 | 0.00% | −15,075−100.0% | Sold out |
| Cambridge Investment Research Advisors, Inc. | 0 | $0 | 0.00% | −14,844−100.0% | Sold out |
| Neo Ivy Capital Management | 0 | $0 | 0.00% | −14,589−100.0% | Sold out |
| Net Worth Advisory Group | 0 | $0 | 0.00% | −12,982−100.0% | Sold out |
| Quest Partners LLC | 0 | $0 | 0.00% | −12,069−100.0% | Sold out |
| Atlas Brown,Inc. | 0 | $0 | 0.00% | −11,506−100.0% | Sold out |
| EntryPoint Capital, LLC | 0 | $0 | 0.00% | −10,634−100.0% | Sold out |
| R Squared Ltd | 0 | $0 | 0.00% | −10,482−100.0% | Sold out |
| Pathstone Holdings, LLC | 0 | $0 | 0.00% | −9,850−100.0% | Sold out |
| Inceptionr LLC | 0 | $0 | 0.00% | −9,654−100.0% | Sold out |
| Amalgamated Bank | 0 | $0 | 0.00% | −3,691−100.0% | Sold out |
| Innovative Advisory Group, LLC | 0 | $0 | 0.00% | −3,500−100.0% | Sold out |
| Quarry LP | 0 | $0 | 0.00% | −917−100.0% | Sold out |
| SBI Securities Co., Ltd. | 0 | $0 | 0.00% | −150−100.0% | Sold out |
| Golden State Wealth Management, LLC | 0 | $0 | 0.00% | −144−100.0% | Sold out |
| Johnson Financial Group, Inc. | 0 | $0 | 0.00% | −93−100.0% | Sold out |
| TD Capital Management LLC | 0 | $0 | 0.00% | −43−100.0% | Sold out |
| Bare Financial Services, Inc | 0 | $0 | 0.00% | −24−100.0% | Sold out |
| Keating Financial Advisory Services, Inc. | 0 | $0 | 0.00% | −18−100.0% | Sold out |
| DV Trading LLC | 0 | $0 | 0.00% | −7−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| Iron Triangle Partners LP | – | – | – | – | Not filed |
| Norges Bank | – | – | – | – | Not filed |
| CIBC Private Wealth Group, LLC | – | – | – | – | Not filed |
| Comerica Bank | – | – | – | – | Not filed |
| Global Retirement Partners, LLC | – | – | – | – | Not filed |