Sei Investments CO Alphatec Holdings, Inc. Transaction History

Sei Investments CO

$75 Billion
Q1 2025

A detailed history of Sei Investments CO transactions in Alphatec Holdings, Inc. stock. As of the latest transaction made, Sei Investments CO holds 61,633 shares of ATEC stock, worth $766,098. This represents 0.0% of its overall portfolio holdings.

Number of Shares

61,633

Previous 107,460 42.65%

Holding current value

$766,098

Previous $1.09 Million 42.7%

% of portfolio

0.0%

Previous 0.0%

21 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q1 2025 May 14, 2025	SELL	$9.06 - $12.53 $415,192 - $574,212	-45,827 Reduced 42.65%	61,633 $624,000
Q1 2025 May 13, 2025	BUY	$9.06 - $12.53 $434 - $601	48 Added 0.04%	107,460 $1.09 Million
Q4 2024 Feb 11, 2025	SELL	$4.98 - $10.48 $3,087 - $6,497	-620 Reduced 0.57%	107,412 $986,000
Q3 2024 Nov 12, 2024	SELL	$5.45 - $11.87 $18,682 - $40,690	-3,428 Reduced 3.08%	108,032 $601,000
Q2 2024 Aug 13, 2024	BUY	$9.49 - $14.26 $47,222 - $70,957	4,976 Added 4.67%	111,460 $1.16 Million
Q1 2024 May 07, 2024	SELL	$12.8 - $16.78 $101,350 - $132,864	-7,918 Reduced 6.92%	106,484 $1.47 Million
Q4 2023 Feb 14, 2024	BUY	$8.89 - $15.36 $114,209 - $197,329	12,847 Added 12.65%	114,402 $1.73 Million
Q3 2023 Nov 14, 2023	SELL	$12.4 - $18.8 $232,450 - $352,424	-18,746 Reduced 15.58%	101,555 $1.32 Million
Q2 2023 Aug 11, 2023	BUY	$14.32 - $18.03 $223,807 - $281,790	15,629 Added 14.93%	120,301 $2.16 Million
Q1 2023 May 12, 2023	SELL	$11.83 - $16.02 $43,037 - $58,280	-3,638 Reduced 3.36%	104,672 $1.63 Million
Q4 2022 Feb 10, 2023	SELL	$8.91 - $12.35 $11,173 - $15,486	-1,254 Reduced 1.14%	108,310 $1.34 Million
Q3 2022 Nov 14, 2022	SELL	$6.57 - $9.74 $49,642 - $73,595	-7,556 Reduced 6.45%	109,564 $958,000
Q2 2022 Aug 15, 2022	SELL	$6.36 - $13.08 $39,292 - $80,808	-6,178 Reduced 5.01%	117,120 $766,000
Q1 2022 May 13, 2022	SELL	$9.45 - $12.85 $22,802 - $31,007	-2,413 Reduced 1.92%	123,298 $1.42 Million
Q4 2021 Feb 14, 2022	BUY	$10.57 - $13.23 $216,114 - $270,500	20,446 Added 19.42%	125,711 $1.44 Million
Q3 2021 Nov 12, 2021	SELL	$11.83 - $15.79 $104,127 - $138,983	-8,802 Reduced 7.72%	105,265 $1.28 Million
Q2 2021 Aug 06, 2021	SELL	$13.75 - $17.6 $773,891 - $990,580	-56,283 Reduced 33.04%	114,067 $1.75 Million
Q1 2021 May 12, 2021	BUY	$13.13 - $18.78 $1.3 Million - $1.87 Million	99,349 Added 139.93%	170,350 $2.6 Million
Q4 2020 Feb 08, 2021	BUY	$6.37 - $14.52 $452,276 - $1.03 Million	71,001 New	71,001 $1.03 Million
Q1 2020 May 14, 2020	SELL	$2.26 - $7.47 $159,149 - $526,037	-70,420 Closed	0 $0
Q4 2019 Feb 06, 2020	BUY	$4.77 - $7.65 $335,903 - $538,713	70,420 New	70,420 $500,000

Others Institutions Holding ATEC

# of Institutions

261

Shares Held

105M

Call Options Held

6.44M

Put Options Held

776K

View Full List

About Alphatec Holdings, Inc.

Ticker ATEC
Exchange NASDAQ
Sector Healthcare
Industry Medical Devices
Shares Outstandng 104,656,000
Market Cap $1.3B
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...

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Sei Investments CO Alphatec Holdings, Inc. Transaction History