Marshall Wace, LLP Alphatec Holdings, Inc. Transaction History

Marshall Wace, LLP

$90.8 Billion
Q3 2025

A detailed history of Marshall Wace, LLP transactions in Alphatec Holdings, Inc. stock. As of the latest transaction made, Marshall Wace, LLP holds 28,367 shares of ATEC stock, worth $559,964. This represents 0.0% of its overall portfolio holdings.

Number of Shares

28,367

Previous 865,979 96.72%

Holding current value

$559,964

Previous $9.61 Million 95.71%

% of portfolio

0.0%

Previous 0.01%

17 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 13, 2025	SELL	$10.31 - $16.55 $8.64 Million - $13.9 Million	-837,612 Reduced 96.72%	28,367 $412,000
Q2 2025 Aug 13, 2025	SELL	$9.43 - $13.03 $8.06 Million - $11.1 Million	-854,819 Reduced 49.68%	865,979 $9.61 Million
Q1 2025 May 15, 2025	SELL	$9.06 - $12.53 $475,178 - $657,173	-52,448 Reduced 2.96%	1,720,798 $17.4 Million
Q4 2024 Feb 13, 2025	BUY	$4.98 - $10.48 $5.14 Million - $10.8 Million	1,032,070 Added 139.25%	1,773,246 $16.3 Million
Q3 2024 Nov 14, 2024	SELL	$5.45 - $11.87 $1.95 Million - $4.26 Million	-358,516 Reduced 32.6%	741,176 $4.13 Million

Q2 2024 Aug 14, 2024	BUY	$9.49 - $14.26 $3.23 Million - $4.85 Million	339,832 Added 44.72%	1,099,692 $11.5 Million
Q1 2024 May 15, 2024	BUY	$12.8 - $16.78 $5.21 Million - $6.84 Million	407,418 Added 115.6%	759,860 $10.5 Million
Q4 2023 Feb 14, 2024	SELL	$8.89 - $15.36 $615,027 - $1.06 Million	-69,182 Reduced 16.41%	352,442 $5.33 Million
Q3 2023 Nov 14, 2023	SELL	$12.4 - $18.8 $2.74 Million - $4.15 Million	-220,917 Reduced 34.38%	421,624 $5.47 Million
Q2 2023 Aug 14, 2023	BUY	$14.32 - $18.03 $6.49 Million - $8.17 Million	453,291 Added 239.52%	642,541 $11.6 Million
Q1 2023 May 15, 2023	BUY	$11.83 - $16.02 $2.24 Million - $3.03 Million	189,250 New	189,250 $2.95 Million
Q2 2022 Aug 15, 2022	BUY	$6.36 - $13.08 $823,581 - $1.69 Million	129,494 Added 177.24%	202,554 $1.33 Million
Q1 2022 May 16, 2022	SELL	$9.45 - $12.85 $2.06 Million - $2.8 Million	-217,611 Reduced 74.87%	73,060 $841,000
Q4 2021 Feb 14, 2022	BUY	$10.57 - $13.23 $1.19 Million - $1.49 Million	112,467 Added 63.11%	290,671 $3.32 Million
Q2 2021 Aug 13, 2021	SELL	$13.75 - $17.6 $1.87 Million - $2.39 Million	-135,856 Reduced 43.26%	178,204 $2.73 Million
Q1 2021 May 17, 2021	BUY	$13.13 - $18.78 $291,170 - $416,465	22,176 Added 7.6%	314,060 $4.96 Million
Q4 2020 Feb 16, 2021	BUY	$6.37 - $14.52 $1.86 Million - $4.24 Million	291,884 New	291,884 $4.24 Million

Others Institutions Holding ATEC

# of Institutions

309

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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Marshall Wace, LLP Alphatec Holdings, Inc. Transaction History