SEC 13F Intelligence

ALPHATEC HLDGS INC

CUSIP 02081GAB8

Alphatec Hldgs Inc has 10 institutional holders in Filings Flow’s 13F database, together reporting 63.26M shares worth $48M as of Q1 2026. The largest reported holders are Capstone Investment Advisors, LLC, Context Capital Management, LLC, and Deepcurrents Investment Group LLC.

Institutional Holders
10
Q1 2026
Reported Value
$48M
Ticker
unmapped
private placement or foreign
Quarters Tracked
3

Ownership Trend

Institutional holders
Q4 ’22: 15Q4 ’22Q4 ’25: 8Q4 ’25Q1 ’26: 10Q1 ’26filingsflow.com
Total reported value
Q4 ’22: $275MQ4 ’22Q4 ’25: $58MQ4 ’25Q1 ’26: $48MQ1 ’26filingsflow.com

Holders

Mixed quarters
Manager% of PortfolioValueSharesQuarter
Context Capital Management, LLC$4.3B AUM0.48%$19M15.04MQ4 2025OLDER
CSS LLC/IL$2.1B AUM0.34%$7M7.20MQ1 2026
ABSOLUTE INVESTMENT ADVISERS, LLC$852M AUM0.29%$2M2.51MQ1 2026
DeepCurrents Investment Group LLC$3.1B AUM0.24%$7M7.43MQ1 2026
BRAIDWELL LP$3.0B AUM0.20%$6M5.82MQ2 2025OLDER
ADVENT CAPITAL MANAGEMENT /DE/$3.6B AUM0.11%$4M4.10MQ1 2026
TENOR CAPITAL MANAGEMENT Co., L.P.$6.5B AUM0.08%$6M5.82MQ2 2025OLDER
CAPSTONE INVESTMENT ADVISORS, LLC$57.4B AUM0.04%$21M20.90MQ1 2026
LINDEN ADVISORS LP$17.9B AUM0.03%$6M6.31MQ1 2026
NOMURA HOLDINGS INC$37.7B AUM0.00%$3M201.4KQ3 2025OLDER
INSIGNEO ADVISORY SERVICES, LLC$1.4B AUM0.00%$10,83511.0KQ1 2026
LAZARD ASSET MANAGEMENT LLC$60.8B AUM0.00%$145,60914.71MQ1 2026
CITIGROUP INC$234.5B AUM0.00%$59,10060.0KQ1 2026
JPMORGAN CHASE & CO$1.56T AUM0.00%$9,81310.0KQ1 2026

Holdings are reported up to 45 days after quarter end. Share counts are as filed and not adjusted for stock splits.