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Alphatec Holdings, Inc. Ownership Summary

$1.94
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*Delayed - data as of May 24, 2013 14:09 ET 
Exchange: NASDAQ
Industry: Health Care
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Institutional Ownership

Shares Outstanding

Shares Outstanding


Institutional Summary

Total Number of Holders 82
% of Shares Outstanding 31.56%
Total Shares Held 30,513,225
Total Value of Holdings 59,195,657
Net Activity 211,784

Top 5 Holders

PARADIGM CAPITAL MANAGEMENT INC/NY 6,638,600
WELLINGTON MANAGEMENT CO LLP 3,081,431
MARXE AUSTIN W & GREENHOUSE DAVID M 2,787,691
CHUBB CORP 2,302,070
VANGUARD GROUP INC 2,205,228

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Insider Trades

Buy/Sell Total Trades

Buys/Sells/Total Trades


Insider Trades Summary

Trade Type Last 3 Mo. Last 12 Mo.
Number of Buys 3 15
Number of Sells 7
Total Insider Trades 3 22
Net Activity 30,222 (539,015)

Top 5 Insider Trades

BERKOWITZ MORTIMER III 1,344,179
FOSTER JOHN 1,344,179
HCPII CO-INVEST VEHICLE II, L.P. 1,344,179
HGP II, LLC 1,344,179
BERKOWITZ MORTIMER III 200,000

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ATEC Ownership Overview:

Alphatec Holdings, Inc. (ATEC) Ownership Summary provides a snapshot of institutional holdings and activity for a particular stock. The institutional holdings summary data encompasses the holdings and change from most recent 13F filings. The insider filer data counts the number of monthly positions over 3 month and 12 month time spans. Summary data is calculated daily, using the most up to date information available.

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