A detailed history of Castleark Management LLC transactions in Alphatec Holdings, Inc. stock. As of the latest transaction made, Castleark Management LLC holds 112,340 shares of ATEC stock, worth $1.12 Million. This represents 0.07% of its overall portfolio holdings.

Number of Shares
112,340
Previous 203,773 44.87%
Holding current value
$1.12 Million
Previous $3.08 Million 49.69%
% of portfolio
0.07%
Previous 0.14%

Shares

11 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q1 2024

May 15, 2024

SELL
$12.8 - $16.78 $1.17 Million - $1.53 Million
-91,433 Reduced 44.87%
112,340 $1.55 Million
Q4 2023

Feb 14, 2024

SELL
$8.89 - $15.36 $1.53 Million - $2.65 Million
-172,597 Reduced 45.86%
203,773 $3.08 Million
Q3 2023

Nov 15, 2023

SELL
$12.4 - $18.8 $52,328 - $79,336
-4,220 Reduced 1.11%
376,370 $4.88 Million
Q2 2023

Aug 15, 2023

BUY
$14.32 - $18.03 $2.09 Million - $2.63 Million
146,030 Added 62.26%
380,590 $6.84 Million
Q1 2023

May 15, 2023

BUY
$11.83 - $16.02 $2.77 Million - $3.76 Million
234,560 New
234,560 $3.66 Million
Q2 2022

Aug 16, 2022

BUY
$6.36 - $13.08 $909,365 - $1.87 Million
142,982 New
142,982 $935,000
Q4 2021

Feb 16, 2022

SELL
$10.57 - $13.23 $4.35 Million - $5.44 Million
-411,475 Closed
0 $0
Q3 2021

Nov 12, 2021

SELL
$11.83 - $15.79 $511,647 - $682,917
-43,250 Reduced 9.51%
411,475 $5.02 Million
Q2 2021

Aug 17, 2021

SELL
$13.75 - $17.6 $154,412 - $197,648
-11,230 Reduced 2.41%
454,725 $6.97 Million
Q1 2021

May 14, 2021

BUY
$13.13 - $18.78 $560,979 - $802,375
42,725 Added 10.09%
465,955 $7.36 Million
Q4 2020

Feb 17, 2021

BUY
$6.37 - $14.52 $2.7 Million - $6.15 Million
423,230 New
423,230 $6.15 Million

Others Institutions Holding ATEC

About Alphatec Holdings, Inc.


  • Ticker ATEC
  • Exchange NASDAQ
  • Sector Healthcare
  • Industry Medical Devices
  • Shares Outstandng 104,656,000
  • Market Cap $1.04B
  • Description
  • Alphatec Holdings, Inc., a medical technology company, designs, develops, and advances technologies for the surgical treatment of spinal disorders. The company offers SafeOp Neural InformatiX System, an Alpha InformatiX product platform designed to reduce the risk of intraoperative nerve injury; Sigma transforaminal lumbar interbody fusion pedic...
More about ATEC
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