David A. Siegel Alphatec Holdings, Inc. Transaction History

Two Sigma Advisers, LP

$43.8 Billion
Q2 2024

A detailed history of David A. Siegel (Two Sigma Advisers, LP) transactions in Alphatec Holdings, Inc. stock. As of the latest transaction made, Two Sigma Advisers, LP holds 12,700 shares of ATEC stock, worth $123,189. This represents 0.0% of its overall portfolio holdings.

Number of Shares

12,700

Previous 33,800 62.43%

Holding current value

$123,189

Previous $466,000 71.67%

% of portfolio

0.0%

Previous 0.0%

18 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q2 2024 Aug 14, 2024	SELL	$9.49 - $14.26 $200,239 - $300,886	-21,100 Reduced 62.43%	12,700 $132,000
Q1 2024 May 15, 2024	SELL	$12.8 - $16.78 $1.34 Million - $1.75 Million	-104,400 Reduced 75.54%	33,800 $466,000
Q4 2023 Feb 14, 2024	SELL	$8.89 - $15.36 $2.93 Million - $5.06 Million	-329,600 Reduced 70.46%	138,200 $2.09 Million
Q3 2023 Nov 14, 2023	SELL	$12.4 - $18.8 $6.24 Million - $9.46 Million	-503,000 Reduced 51.81%	467,800 $6.07 Million
Q2 2023 Aug 14, 2023	BUY	$14.32 - $18.03 $3.05 Million - $3.83 Million	212,700 Added 28.06%	970,800 $17.5 Million
Q1 2023 May 15, 2023	BUY	$11.83 - $16.02 $3.7 Million - $5 Million	312,400 Added 70.09%	758,100 $11.8 Million
Q4 2022 Feb 14, 2023	BUY	$8.91 - $12.35 $3.28 Million - $4.54 Million	367,700 Added 471.41%	445,700 $5.5 Million
Q3 2022 Nov 14, 2022	BUY	$6.57 - $9.74 $427,707 - $634,074	65,100 Added 504.65%	78,000 $682,000
Q2 2022 Aug 15, 2022	BUY	$6.36 - $13.08 $82,044 - $168,732	12,900 New	12,900 $84,000
Q4 2021 Feb 14, 2022	SELL	$10.57 - $13.23 $4.96 Million - $6.21 Million	-469,700 Closed	0 $0
Q3 2021 Nov 15, 2021	SELL	$11.83 - $15.79 $1.3 Million - $1.73 Million	-109,800 Reduced 18.95%	469,700 $5.73 Million
Q2 2021 Aug 16, 2021	BUY	$13.75 - $17.6 $1.77 Million - $2.27 Million	128,700 Added 28.55%	579,500 $8.88 Million
Q1 2021 May 17, 2021	BUY	$13.13 - $18.78 $4.4 Million - $6.29 Million	334,900 Added 288.96%	450,800 $7.12 Million
Q4 2020 Feb 16, 2021	BUY	$6.37 - $14.52 $3,185 - $7,260	500 Added 0.43%	115,900 $1.68 Million
Q3 2020 Nov 16, 2020	SELL	$4.43 - $6.94 $120,938 - $189,462	-27,300 Reduced 19.13%	115,400 $766,000
Q2 2020 Aug 14, 2020	BUY	$3.05 - $5.59 $30,500 - $55,900	10,000 Added 7.54%	142,700 $671,000
Q1 2020 May 15, 2020	BUY	$2.26 - $7.47 $118,649 - $392,175	52,500 Added 65.46%	132,700 $458,000
Q4 2019 Feb 14, 2020	BUY	$4.77 - $7.65 $382,553 - $613,530	80,200 New	80,200 $569,000

Others Institutions Holding ATEC

# of Institutions

229

Shares Held

92.1M

Call Options Held

288K

Put Options Held

392K

View Full List

About Alphatec Holdings, Inc.

Ticker ATEC
Exchange NASDAQ
Sector Healthcare
Industry Medical Devices
Shares Outstandng 104,656,000
Market Cap $1.02B
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

Track David A. Siegel's Portfolio

Portfolio Update

Get notified when there are updates to the investment portfolio of Two Sigma Advisers, LP, based on Form 13F filings with the SEC.

News

Stay updated on Two Sigma Advisers, LP and David A. Siegel with notifications on news.

Account