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Alphatec Holdings

Name Holding Trade Value Shares
Change
Change in
Stake
ARTA
26
A.R.T. Advisors
New York
– -$25K -10,810 Closed
Acadian Asset Management
27
Acadian Asset Management
Massachusetts
– -$18K -7,682 Closed
Tower Research Capital (TRC)
28
Tower Research Capital (TRC)
New York
– -$1K -246 Closed