Assenagon Asset Management S.A. Alphatec Holdings, Inc. Transaction History

Assenagon Asset Management S.A.

$64.4 Billion
Q4 2025

A detailed history of Assenagon Asset Management S.A. transactions in Alphatec Holdings, Inc. stock. As of the latest transaction made, Assenagon Asset Management S.A. holds 978,343 shares of ATEC stock, worth $19.3 Million. This represents 0.03% of its overall portfolio holdings.

Number of Shares

978,343

Previous 750,429 30.37%

Holding current value

$19.3 Million

Previous $10.9 Million 77.0%

% of portfolio

0.03%

Previous 0.02%

17 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q4 2025 Jan 09, 2026	BUY	$13.14 - $20.75 $2.99 Million - $4.73 Million	227,914 Added 30.37%	978,343 $19.3 Million
Q3 2025 Oct 07, 2025	BUY	$10.31 - $16.55 $7.63 Million - $12.2 Million	739,982 Added 7083.2%	750,429 $10.9 Million
Q1 2025 Apr 15, 2025	SELL	$9.06 - $12.53 $18,835 - $26,049	-2,079 Reduced 16.6%	10,447 $105,000
Q4 2024 Jan 14, 2025	SELL	$4.98 - $10.48 $139,240 - $293,020	-27,960 Reduced 69.06%	12,526 $114,000
Q3 2024 Oct 23, 2024	BUY	$5.45 - $11.87 $51,017 - $111,115	9,361 Added 30.08%	40,486 $225,000

Q2 2024 Jul 18, 2024	SELL	$9.49 - $14.26 $7,402 - $11,122	-780 Reduced 2.44%	31,125 $325,000
Q1 2024 Apr 24, 2024	SELL	$12.8 - $16.78 $1.83 Million - $2.41 Million	-143,345 Reduced 81.79%	31,905 $439,000
Q4 2023 Jan 17, 2024	SELL	$8.89 - $15.36 $12.6 Million - $21.7 Million	-1,412,266 Reduced 88.96%	175,250 $2.65 Million
Q3 2023 Nov 06, 2023	BUY	$12.4 - $18.8 $1.88 Million - $2.84 Million	151,249 Added 10.53%	1,587,516 $20.6 Million
Q2 2023 Jul 25, 2023	BUY	$14.32 - $18.03 $8.83 Million - $11.1 Million	616,294 Added 75.16%	1,436,267 $25.8 Million
Q1 2023 Apr 18, 2023	BUY	$11.83 - $16.02 $7.2 Million - $9.75 Million	608,495 Added 287.73%	819,973 $12.8 Million
Q4 2022 Jan 12, 2023	BUY	$8.91 - $12.35 $1.88 Million - $2.61 Million	211,478 New	211,478 $2.61 Million
Q2 2022 Jul 27, 2022	SELL	$6.36 - $13.08 $289,551 - $595,493	-45,527 Closed	0 $0
Q1 2022 Apr 25, 2022	SELL	$9.45 - $12.85 $9.25 Million - $12.6 Million	-979,269 Reduced 95.56%	45,527 $524,000
Q4 2021 Feb 01, 2022	BUY	$10.57 - $13.23 $7.94 Million - $9.93 Million	750,802 Added 274.02%	1,024,796 $11.7 Million
Q3 2021 Oct 19, 2021	SELL	$11.83 - $15.79 $1.37 Million - $1.83 Million	-115,828 Reduced 29.71%	273,994 $3.34 Million
Q2 2021 Jul 15, 2021	BUY	$13.75 - $17.6 $5.36 Million - $6.86 Million	389,822 New	389,822 $5.97 Million

Others Institutions Holding ATEC

# of Institutions

311

Shares Held

109M

Call Options Held

7.89M

Put Options Held

1.16M

View Full List

About Alphatec Holdings, Inc.

Ticker ATEC
Exchange NASDAQ
Sector Healthcare
Industry Medical Devices
Shares Outstandng 104,656,000
Market Cap $2.07B
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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Assenagon Asset Management S.A. Alphatec Holdings, Inc. Transaction History