Position in ATEC
as of Mar 31, 2026
· filed May 7, 2026
Position Value
$232,516
+$42,020 QoQ
Shares Held
21,371
+136.0% QoQ
Ownership
0.014%
of shares outstanding
% of Portfolio
0.42%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2023
10 quarters on record
Voting authority
Sole 0.ToString("F0")%
Shared 0.ToString("F0")%
None 100.ToString("F0")%
Common Shares in ATEC Over Time
Shares Held
Position Value (USD)
Position in Medical Devices
Healthcare · as of Mar 31, 2026Tidemark, LLC holds $454,817 across 17 Medical Devices names. ATEC ranks #1 (51.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ATEC |
Alphatec Holdings, Inc.
This page
|
21,371 | $232,516 | |
| 2 | SYK |
Stryker Corp
|
275 | $90,362 | |
| 3 | DXCM |
Dexcom Inc
|
1,345 | $84,466 | |
| 4 | ABT |
Abbott Laboratories
|
120 | $12,320 | |
| 5 | SENS |
Senseonics Holdings, Inc.
|
1,583 | $10,542 | |
| 6 | CLPT |
ClearPoint Neuro, Inc.
|
832 | $7,571 | |
| 7 | GMED |
Globus Medical Inc
|
56 | $4,824 | |
| 8 | BSX |
Boston Scientific Corp
|
58 | $3,639 |
All Filings in ATEC
Export CSV
10 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $232,516 | 21,371 | Shares | Sole | 2026-05-07 | |
| 2025-12-31 | $190,496 | 9,054 | Shares | Sole | 2026-02-10 | |
| 2025-09-30 | $131,645 | 9,054 | Shares | Sole | 2025-11-03 | |
| 2025-06-30 | $100,499 | 9,054 | Shares | Sole | 2025-08-11 | |
| 2025-03-31 | $91,807 | 9,054 | Shares | Sole | 2025-05-09 | |
| 2024-12-31 | $83,115 | 9,054 | Shares | Sole | 2025-02-10 | |
| 2024-09-30 | $50,340 | 9,054 | Shares | Sole | 2024-11-07 | |
| 2024-06-30 | $94,614 | 9,054 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $124,854 | 9,054 | Shares | Sole | 2024-05-13 | |
| 2023-12-31 | $136,805 | 9,054 | Shares | Sole | 2024-02-09 | |
| No filing history on record for this holder in this stock. | ||||||