A detailed history of Ken Griffin (Citadel Advisors LLC) transactions in Alphatec Holdings, Inc. stock. As of the latest transaction made, Citadel Advisors LLC holds 61,500 shares of ATEC stock, worth $567,645. This represents 0.0% of its overall portfolio holdings.

Number of Shares
61,500
Previous 21,200 190.09%
Holding current value
$567,645
Previous $221,000 54.75%
% of portfolio
0.0%
Previous 0.0%

Shares

20 transactions
Quarter Operation Price Per share shares change shares Held SEC Form
Q3 2024

Nov 14, 2024

SELL
$5.45 - $11.87 $318,716 - $694,157
-58,480 Reduced 25.31%
172,542 $961,000
Q2 2024

Aug 14, 2024

SELL
$9.49 - $14.26 $13.1 Million - $19.7 Million
-1,379,821 Reduced 85.66%
231,022 $2.41 Million
Q1 2024

May 15, 2024

SELL
$12.8 - $16.78 $9.42 Million - $12.3 Million
-735,981 Reduced 31.36%
1,610,843 $22.2 Million
Q4 2023

Feb 14, 2024

BUY
$8.89 - $15.36 $19.7 Million - $34 Million
2,216,431 Added 1699.81%
2,346,824 $35.5 Million
Q3 2023

Nov 14, 2023

SELL
$12.4 - $18.8 $1.87 Million - $2.83 Million
-150,779 Reduced 53.63%
130,393 $1.69 Million
Q2 2023

Aug 14, 2023

SELL
$14.32 - $18.03 $12.2 Million - $15.4 Million
-853,279 Reduced 75.22%
281,172 $5.06 Million
Q1 2023

May 15, 2023

BUY
$11.83 - $16.02 $2.85 Million - $3.85 Million
240,527 Added 26.91%
1,134,451 $17.7 Million
Q4 2022

Feb 14, 2023

BUY
$8.91 - $12.35 $1.56 Million - $2.16 Million
174,799 Added 24.31%
893,924 $11 Million
Q3 2022

Nov 14, 2022

SELL
$6.57 - $9.74 $953,287 - $1.41 Million
-145,097 Reduced 16.79%
719,125 $6.29 Million
Q2 2022

Aug 15, 2022

BUY
$6.36 - $13.08 $1.81 Million - $3.72 Million
284,206 Added 49.0%
864,222 $5.65 Million
Q1 2022

May 16, 2022

BUY
$9.45 - $12.85 $3.91 Million - $5.32 Million
414,017 Added 249.41%
580,016 $6.67 Million
Q4 2021

Feb 14, 2022

BUY
$10.57 - $13.23 $832,070 - $1.04 Million
78,720 Added 90.19%
165,999 $1.9 Million
Q3 2021

Nov 15, 2021

SELL
$11.83 - $15.79 $2.9 Million - $3.86 Million
-244,733 Reduced 73.71%
87,279 $1.06 Million
Q2 2021

Aug 16, 2021

SELL
$13.75 - $17.6 $494,862 - $633,424
-35,990 Reduced 9.78%
332,012 $5.09 Million
Q1 2021

May 17, 2021

BUY
$13.13 - $18.78 $2.54 Million - $3.63 Million
193,471 Added 110.85%
368,002 $5.81 Million
Q4 2020

Feb 16, 2021

BUY
$6.37 - $14.52 $519,263 - $1.18 Million
81,517 Added 87.64%
174,531 $2.53 Million
Q3 2020

Nov 16, 2020

BUY
$4.43 - $6.94 $162,541 - $254,635
36,691 Added 65.14%
93,014 $618,000
Q2 2020

Aug 14, 2020

SELL
$3.05 - $5.59 $220,911 - $404,883
-72,430 Reduced 56.25%
56,323 $265,000
Q1 2020

May 15, 2020

SELL
$2.26 - $7.47 $247,580 - $818,331
-109,549 Reduced 45.97%
128,753 $444,000
Q4 2019

Feb 14, 2020

BUY
$4.77 - $7.65 $1.14 Million - $1.82 Million
238,302 New
238,302 $1.69 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 $966M
  • 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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