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Alphatec Holdings, Inc.

ATEC
Exchange
Nasdaq
Industry
Surgical & Medical Instruments & Apparatus
SEC CIK
0001350653

In the last 90 days, Alphatec Holdings, Inc. insiders filed 1 open-market purchase and 1 sale; 267 institutions reported holding it in 13F filings for Q2 2026, worth $966.6M in total; no superinvestor holds it.

Q1 2026 vs. Q4 2025

How the institutions holding Alphatec Holdings, Inc. changed between Q4 2025 and Q1 2026.

All holders in Q1 2026All holders in Q4 2025

13F holders of ATEC: Q4 2025 compared with Q1 2026
MeasureQ4 2025Of which not filed for Q1 2026Q1 2026Change
Holders2856285+6
Shares119.4M8.83M113.1M+2.53M (+2.3%)
Value$2.51B$185.8M$1.23B−$1.09B (−47.0%)

6 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (56)

Institutions that held Alphatec Holdings, Inc. at the end of Q1 2026 but not at the end of Q4 2025.

Institutions new to ATEC in Q1 2026
InstitutionSharesValue% of portfolio
Vanguard Capital Management LLC4,913,779$53.5M0.00%
Braidwell LP2,172,725$23.6M0.79%
Vanguard Portfolio Management LLC1,104,753$12.0M0.00%
Vanguard Fiduciary Trust Co795,985$8.66M0.00%
Harbor Capital Advisors, Inc.217,701$2.37M0.19%
Kornitzer Capital Management Inc100,000$1.09M0.02%
Campbell & CO Investment Adviser LLC77,529$843.5K0.05%
Vanguard Asset Management, Ltd76,808$835.7K0.00%
Mackenzie Financial Corp67,404$733.4K0.00%
Vontobel Holding Ltd.61,445$668.5K0.00%
Vanguard Global Advisers, LLC45,979$500.3K0.00%
Gsa Capital Partners LLP42,520$463.0K0.03%
Kestra Private Wealth Services, LLC39,000$424.3K0.01%
Weatherly Asset Management L. P.38,333$417.1K0.03%
Bridgefront Capital, LLC34,985$380.6K0.09%
Two Sigma Securities, LLC34,559$376.0K0.04%
Magnetar Financial LLC32,794$356.8K0.00%
Centiva Capital, LP30,485$331.7K0.02%
Dynamic Technology Lab Private Ltd30,369$330.4K0.05%
Round Rock Advisors, LLC29,920$325.5K0.05%
Vanguard Investments Australia, Ltd.29,041$316.0K0.00%
Marshall Wace, LLP25,463$277.0K0.00%
CIBC Bancorp USA Inc.25,420$276.6K0.00%
Skopos Labs, Inc.24,574$267.4K0.01%
MML Investors Services, LLC23,876$259.8K0.00%
Mount Yale Investment Advisors, LLC23,217$252.6K0.01%
Teacher Retirement System of Texas22,867$248.8K0.00%
Capstone Investment Advisors, LLC21,881$238.1K0.00%
Vident Advisory, LLC20,605$224.2K0.00%
AA Financial Advisors, LLC20,000$217.6K0.03%
Man Group plc18,971$206.4K0.00%
Sanctuary Advisors, LLC18,112$197.1K0.00%
Mirabella Financial Services LLP17,316$188.4K0.02%
Empirical Asset Management, LLC15,531$169.0K0.04%
Sentinus, LLC14,597$158.8K0.01%
Colony Group, LLC10,803$117.5K0.00%
Xponance, Inc.10,722$116.7K0.00%
Lido Advisors, LLC10,612$115.5K0.00%
Walleye Trading LLC10,384$113.0K0.00%
Redhawk Wealth Advisors, Inc.10,335$112.4K0.01%
Bayforest Capital Ltd9,872$107.4K0.12%
Caitong International Asset Management Co., Ltd9,505$103.4K0.02%
Clear Street Markets LLC2,694$29.3K0.01%
Ensign Peak Advisors, Inc2,450$26.7K0.00%
Cassaday & Co Wealth Management LLC1,104$12.0K0.00%
Bessemer Group Inc520$6.00K0.00%
Millstone Evans Group, LLC365$3.97K0.00%
Caption Management, LLC300$3.26K0.00%
Wealth Preservation Advisors, LLC190$2.07K0.00%
Basecamp Wealth Advisors LLC168$1.83K0.00%
Root Financial Partners, LLC103$1.12K0.00%
Owl Creek Wealth Partners LLC100$1.09K0.00%
McGuire Capital Advisors Inc75$8160.00%
Investors Portfolio Services LLC43$3280.00%
JPL Wealth Management, LLC18$1960.00%
Hughes Financial Services, LLC3$330.00%

Sold out (50)

Institutions that held Alphatec Holdings, Inc. at the end of Q4 2025 and filed for Q1 2026 without it.

Institutions that sold out of ATEC in Q1 2026
InstitutionShares, Q4 2025Value, Q4 2025
Driehaus Capital Management LLC2,858,771$60.1M
Two Sigma Advisers, LP1,635,100$34.4M
M&G Plc669,266$14.1M
Defilade Capital Management, L.P.626,754$13.2M
Freestone Grove Partners LP615,420$12.9M
Jefferies Financial Group Inc.595,937$12.5M
Lisanti Capital Growth, LLC372,407$7.84M
Castleark Management LLC296,160$6.23M
Occudo Quantitative Strategies LP269,798$5.68M
EAM Investors, LLC212,278$4.47M
Blackstone Group Inc.161,900$3.41M
Legato Capital Management LLC102,945$2.17M
Polen Capital Management LLC95,761$2.01M
Jain Global LLC75,511$1.59M
Gotham Asset Management, LLC60,146$1.27M
Fred Alger Management, LLC58,817$1.24M
Deerfield Management Company, L.P. (Series C)57,277$1.21M
FirstWave Capital Management LLC52,726$1.11M
O'Shaughnessy Asset Management, LLC45,445$956.2K
Focused Alpha, LLC40,220$846.2K
Numerai GP LLC35,976$756.9K
Graham Capital Management, L.P.33,476$704.3K
Versor Investments LP30,584$643.5K
PEAK6 LLC25,043$526.9K
Dark Forest Capital Management LP22,240$467.9K
Aquatic Capital Management LLC21,520$452.8K
NBC Securities, Inc.20,513$431.6K
Fifth Lane Capital, LP20,000$420.8K
Birchview Capital, LP18,058$379.9K
Voloridge Investment Management, LLC15,242$320.7K
Oppenheimer Asset Management Inc.15,075$317.2K
Cambridge Investment Research Advisors, Inc.14,844$312.0K
Neo Ivy Capital Management14,589$307.0K
Net Worth Advisory Group12,982$273.1K
Quest Partners LLC12,069$253.9K
Atlas Brown,Inc.11,506$242.1K
EntryPoint Capital, LLC10,634$223.7K
R Squared Ltd10,482$220.5K
Pathstone Holdings, LLC9,850$207.2K
Inceptionr LLC9,654$203.1K
Amalgamated Bank3,691$78.0K
Innovative Advisory Group, LLC3,500$73.6K
Quarry LP917$19.3K
SBI Securities Co., Ltd.150$3.16K
Golden State Wealth Management, LLC144$3.03K
Johnson Financial Group, Inc.93$1.96K
TD Capital Management LLC43$905
Bare Financial Services, Inc24$505
Keating Financial Advisory Services, Inc.18$379
DV Trading LLC7$147

Not filed for Q1 2026 yet (6)

Institutions that held Alphatec Holdings, Inc. at the end of Q4 2025 and haven't filed a 13F for Q1 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ATEC in Q4 2025 that haven't filed for Q1 2026
InstitutionShares, Q4 2025Value, Q4 2025
Vanguard Group Inc6,883,626$144.8M
Iron Triangle Partners LP1,285,685$27.1M
Norges Bank649,814$13.7M
CIBC Private Wealth Group, LLC8,895$187.2K
Comerica Bank2,283$48.0K
Global Retirement Partners, LLC299$6.29K