Tidemark, LLC
- SEC CIK
- 0002009591
- Latest filing
- Aug 10, 2026
ATEC holding history
Alphatec Holdings, Inc. in every 13F filed by Tidemark, LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
ATEC overviewAll 13F holders of ATECFull Q2 2026 holdings
- Shares (Q2 2026)
- 21,371
- Value
- $184.9K
- % of portfolio
- <0.1%
- Quarters held
- 11
- Since Q4 2023
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 21,371 | $184.9K | <0.1% | 00.0% | Unchanged | Holders |
| Q1 2026 | 21,371 | $232.5K | 0.1% | +12,317+136.0% | Added | Holders |
| Q4 2025 | 9,054 | $190.5K | 0.1% | 00.0% | Unchanged | Holders |
| Q3 2025 | 9,054 | $131.6K | <0.1% | 00.0% | Unchanged | Holders |
| Q2 2025 | 9,054 | $100.5K | <0.1% | 00.0% | Unchanged | Holders |
| Q1 2025 | 9,054 | $91.8K | <0.1% | 00.0% | Unchanged | Holders |
| Q4 2024 | 9,054 | $83.1K | <0.1% | 00.0% | Unchanged | Holders |
| Q3 2024 | 9,054 | $50.3K | <0.1% | 00.0% | Unchanged | Holders |
| Q2 2024 | 9,054 | $94.6K | <0.1% | 00.0% | Unchanged | Holders |
| Q1 2024 | 9,054 | $124.9K | 0.1% | 00.0% | Unchanged | Holders |
| Q4 2023 | 9,054 | $136.8K | 0.1% | – | No prior filing | Holders |