Institutional shares held 85 Million
1.45M calls
352K puts
Total value of holdings $953M
$16.2M calls
$3.94M puts
Market Cap $1.15B
104,656,000 Shares Out.
Institutional ownership 81.26%
# of Institutions 259


Latest Institutional Activity in ATEC

Top Purchases

Q1 2025
Lisanti Capital Growth, LLC Shares Held: 347K ($3.81M)
Q1 2025
Emerald Advisers, LLC Shares Held: 1.62M ($17.8M)
Q1 2025
Emerald Mutual Fund Advisers Trust Shares Held: 1M ($11M)
Q1 2025
Wealth Enhancement Advisory Services, LLC Shares Held: 60K ($659K)
Q1 2025
Cerity Partners LLC Shares Held: 1.86M ($20.4M)

Top Sells

Q1 2025
Hbk Sorce Advisory LLC Shares Held: 28.5K ($313K)
Q1 2025
High Mark Wealth Management LLC Shares Held: 94.4K ($1.04M)
Q1 2025
Gamma Investing LLC Shares Held: 228 ($2.5K)
Q1 2025
Assenagon Asset Management S.A. Shares Held: 10.4K ($115K)
Q1 2025
Congress Asset Management CO Shares Held: 433K ($4.75M)

About ATEC

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 pedicle-based access system that provides direct visualization of anatomical landmarks; Sigma PTP Access and Patient Positioning System; squadron lateral retractor designed to maximize patient outcomes; Invictus Spinal Fixation System, a thoracolumbar fixation system to treat a range of pathologies; and Invictus MIS SingleStep System that provides minimally invasive pedicle screw placement. It also provides Invictus Modular Fixation Systems designed to increase adaptability with the power of screw modularity; OsseoScrew system to restore the integrity of the spinal column; Arsenal spinal fixation system, a comprehensive thoracolumbar fixation platform to fix a range of degenerative to deformity pathologies and surgical procedures; Aspida Anterior Lumbar Plating System, a fixation system for anterior lumbar interbody fusion; AMP Anti-Migration Plate; OCT Spinal Fixation System; trestle luxe anterior cervical plate system; and Insignia Anterior Cervical Plate System. In addition, the company offers IdentiTi Porous Ti, Transcend Lateral, and Battalion Posterior Interbody Implants; and biologics consisting of Cervical Structural Allograft Spacers, 3D ProFuse Demineralized Bone Scaffold, Neocore Osteoconductive Matrix, Alphagraft Demineralized and Cellular Bone Matrix, and Amnioshield Amniotic Tissue Barrier, as well as EOS imaging products. It sells its products through a network of independent distributors and direct sales representatives in the United States. The company was founded in 1990 and is headquartered in Carlsbad, California.


Insider Transactions at ATEC

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
2.9M Shares
From 21 Insiders
Grant, award, or other acquisition 2.53M shares
Exercise of conversion of derivative security 182K shares
Open market or private purchase 190K shares
Sell / Disposition
1.11M Shares
From 10 Insiders
Bona fide gift 15.1K shares
Payment of exercise price or tax liability 214K shares
Open market or private sale 881K shares

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P - Open market or private purchase×
S - Open market or private sale×
V - Transaction voluntarily reported earlier than required×
A - Grant, award, or other acquisition×
D - Sale (or disposition) back to the issuer×
F - Payment of exercise price or tax liability×
I - Discretionary transaction×
M - Exercise of conversion of derivative security×
C - Conversion of derivative security×
E - Expiration of short derivative position×
H - Expiration (or cancellation) of long derivative position with value received×
O - Exercise of out-of-the-money derivative securities×
X - Exercise of in-the-money or at-the-money derivatives securities×
G - Bona fide gift×
L - Small Acquisition×
W - Acquisition or disposition by will or laws×
Z - Deposit into or withdrawal from voting trust×
J - Other acquisition or disposition×
K - Transaction in equity swap or similar instrument×
U - Disposition due to a tender of shares in a change of control transaction×
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