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ROCKWOOD RESEARCH · A CORPORATE FILINGS WEBSITE|STRAIGHT FROM THE SOURCE · SEC EDGAR|SPONSOREDYour message on this tape — bid on the Rockwood Ad Exchange · Rockwood Ad Exchange|
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ATEC

Alphatec Holdings, Inc.

Surgical & Medical Instruments & Apparatus · SIC 3841CIK 1350653Held by 3 tracked managersEDGAR filings ↗10-K/10-Q ↗

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i
3 managers · Q2 2026 13F
0.23%
(20.9%)
0.02%
+27.0%
0.01%
+43.1%

Weight = position value ÷ the manager's total 13F long-equity value in the same filing — one definition for every row. “1st obs.” marks a position with no earlier stored 13F to compare against — it is not shown as a purchase.