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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.

13F holders, Q1 2024

Institutional positions in Alphatec Holdings, Inc. as of Mar 31, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
224
+23 vs. Q4 2023
Shares held
91.6M
+151.2K (+0.2%) vs. Q4 2023
Total value
$1.26B
−$103.8M (−7.6%) vs. Q4 2023
New holders
44
79 more added
Sold out
21
61 more reduced

5 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2023: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ATEC on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2024: 224 institutions
Q1 2021: 158 institutionsQ2 2021: 153 institutionsQ3 2021: 165 institutionsQ4 2021: 172 institutionsQ1 2022: 162 institutionsQ2 2022: 161 institutionsQ3 2022: 164 institutionsQ4 2022: 182 institutionsQ1 2023: 184 institutionsQ2 2023: 209 institutionsQ3 2023: 201 institutionsQ4 2023: 206 institutionsQ1 2024: 224 institutionsQ2 2024: 218 institutionsQ3 2024: 216 institutionsQ4 2024: 229 institutionsQ1 2025: 231 institutionsQ2 2025: 239 institutionsQ3 2025: 275 institutionsQ4 2025: 285 institutionsQ1 2026: 285 institutionsQ2 2026: 267 institutions
Value heldQ1 2024: $1.26B
Q1 2021: $692.0MQ2 2021: $681.7MQ3 2021: $648.0MQ4 2021: $611.1MQ1 2022: $609.7MQ2 2022: $329.9MQ3 2022: $447.7MQ4 2022: $666.3MQ1 2023: $919.9MQ2 2023: $1.25BQ3 2023: $904.8MQ4 2023: $1.37BQ1 2024: $1.26BQ2 2024: $976.4MQ3 2024: $461.3MQ4 2024: $778.1MQ1 2025: $898.8MQ2 2025: $1.12BQ3 2025: $1.57BQ4 2025: $2.51BQ1 2026: $1.23BQ2 2026: $966.6M
Institutions holding ATEC and their total value by quarter
QuarterHoldersValue
Q2 2026267$966.6M
Q1 2026285$1.23B
Q4 2025285$2.51B
Q3 2025275$1.57B
Q2 2025239$1.12B
Q1 2025231$898.8M
Q4 2024229$778.1M
Q3 2024216$461.3M
Q2 2024218$976.4M
Q1 2024224$1.26B
Q4 2023206$1.37B
Q3 2023201$904.8M
Q2 2023209$1.25B
Q1 2023184$919.9M
Q4 2022182$666.3M
Q3 2022164$447.7M
Q2 2022161$329.9M
Q1 2022162$609.7M
Q4 2021172$611.1M
Q3 2021165$648.0M
Q2 2021153$681.7M
Q1 2021158$692.0M

Institutions, Q1 2024

Shares, value and share of portfolio for each institution holding Alphatec Holdings, Inc.; share changes are against Q4 2023.

Institutions holding ATEC in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Assenagon Asset Management S.A.31,905$440.0K0.00%−143,345−81.8%Reduced
LMR Partners LLP33,798$466.1K0.01%+1,033+3.2%Added
Two Sigma Advisers, LP33,800$466.1K0.00%−104,400−75.5%Reduced
Norden Group LLC36,147$498.5K0.10%−2,854−7.3%Reduced
Fox Run Management, L.L.C.38,922$536.7K0.12%+38,922New
Verition Fund Management LLC39,410$543.5K0.01%−54,520−58.0%Reduced
Invesco Ltd.41,196$568.1K0.00%−118,567−74.2%Reduced
Cullen/Frost Bankers, Inc.42,697$588.8K0.01%00.0%Unchanged
Rockefeller Capital Management L.P.43,464$599.4K0.00%00.0%Unchanged
American International Group, Inc.45,456$626.8K0.00%−390−0.9%Reduced
Cyndeo Wealth Partners, LLC46,841$645.9K0.05%00.0%Unchanged
TownSquare Capital, LLC47,313$652.4K0.01%−19,204−28.9%Reduced
MetLife Investment Management48,646$670.8K0.00%00.0%Unchanged
Winton Group Ltd51,190$705.9K0.05%+51,190New
Manufacturers Life Insurance Company, The53,502$737.8K0.00%+4,682+9.6%Added
Dynamic Technology Lab Private Ltd54,134$746.0K0.08%+54,134New
Mirae Asset Global Investments Co., Ltd.48,031$746.4K0.00%+3,363+7.5%Added
Occudo Quantitative Strategies LP56,471$778.7K0.14%+56,471New
HighMark Wealth Management LLC57,400$791.5K0.49%+21,250+58.8%Added
Lighthouse Investment Partners, LLC58,350$804.6K0.05%+58,350New
Phillips Financial Management, LLC60,567$835.2K0.07%−4,129−6.4%Reduced
Two Sigma Investments, LP60,946$840.4K0.00%−49,554−44.8%Reduced
Jump Financial, LLC67,731$934.0K0.03%+19,368+40.0%Added
HighTower Advisors, LLC69,196$951.0K0.00%−24,472−26.1%Reduced
Fernwood Investment Management, LLC70,987$978.9K0.29%−11,000−13.4%Reduced
Barclays PLC83,764$1.16M0.00%−61,537−42.4%Reduced
Zions Bancorporation, N.A.86,104$1.19M0.09%+86,104New
Birchview Capital, LP88,000$1.21M0.99%00.0%Unchanged
First Trust Advisors LP90,195$1.24M0.00%−2,333−2.5%Reduced
Calamos Advisors LLC94,312$1.30M0.01%−80,399−46.0%Reduced
California State Teachers Retirement System95,089$1.31M0.00%−4,064−4.1%Reduced
BNP Paribas Arbitrage, SA99,790$1.38M0.00%+73,257+276.1%Added
Spears Abacus Advisors LLC100,000$1.38M0.03%00.0%Unchanged
Ghisallo Capital Management LLC100,000$1.38M0.16%00.0%Unchanged
Seven Eight Capital, LP100,306$1.38M0.14%+100,306New
Millrace Asset Group, Inc.100,595$1.39M1.39%−9,652−8.8%Reduced
HRT Financial LP102,166$1.41M0.01%+102,166New
Alliancebernstein L.P.102,130$1.41M0.00%+9,740+10.5%Added
Legal & General Group Plc102,949$1.42M0.00%+2,584+2.6%Added
SEI Investments Co106,484$1.47M0.00%−7,918−6.9%Reduced
Legato Capital Management LLC107,288$1.48M0.18%00.0%Unchanged
Jane Street Group, LLC110,594$1.53M0.00%−9,242−7.7%Reduced
Castleark Management LLC112,340$1.55M0.06%−91,433−44.9%Reduced
Wells Fargo & Company116,972$1.61M0.00%+15,052+14.8%Added
Boothbay Fund Management, LLC120,000$1.65M0.05%+120,000New
UBS Oconnor LLC122,821$1.69M0.05%+30,000+32.3%Added
AQR Capital Management LLC123,654$1.71M0.00%+13,126+11.9%Added
Credit Suisse AG124,177$1.71M0.00%+593+0.5%Added
Congress Asset Management Co132,603$1.83M0.01%+132,603New
Oak Ridge Investments LLC132,653$1.83M0.18%+132,653New
Sectoral Asset Management Inc136,000$1.88M0.74%+136,000New
Voloridge Investment Management, LLC137,253$1.89M0.01%−71,253−34.2%Reduced
Rhumbline Advisers139,798$1.93M0.00%+3,117+2.3%Added
Stifel Financial Corp141,553$1.95M0.00%+51,153+56.6%Added
UBS Asset Management Americas Inc144,621$1.99M0.00%+244+0.2%Added
Canada Pension Plan Investment Board150,000$2.07M0.00%+150,000New
Invst, LLC152,919$2.13M0.25%00.0%Unchanged
Ameriprise Financial Inc161,166$2.22M0.00%+42,838+36.2%Added
UBS Group AG167,198$2.31M0.00%+41,258+32.8%Added
Polar Asset Management Partners Inc.175,364$2.42M0.06%−142,700−44.9%Reduced
Macquarie Group Ltd179,088$2.47M0.00%+64,406+56.2%Added
Alberta Investment Management Corp181,636$2.50M0.03%+34,378+23.3%Added
Perkins Capital Management Inc184,267$2.54M2.12%−600−0.3%Reduced
Great Lakes Advisors, LLC185,029$2.55M0.02%−9,252−4.8%Reduced
Trexquant Investment LP186,692$2.57M0.05%+111,109+147.0%Added
Swiss National Bank188,300$2.60M0.00%+2,600+1.4%Added
Cubist Systematic Strategies, LLC246,108$3.39M0.04%+238,161+2,996.9%Added
Formula Growth Ltd258,945$3.57M1.14%−4,420−1.7%Reduced
Essex Investment Management Co LLC270,968$3.74M0.74%+4,112+1.5%Added
Mercer Global Advisors Inc285,887$3.94M0.01%−15,540−5.2%Reduced
Granite Investment Partners, LLC288,580$3.98M0.15%+288,580New
ExodusPoint Capital Management, LP314,736$4.34M0.05%+314,736New
Pura Vida Investments, LLC320,054$4.41M3.00%+15,054+4.9%Added
Principal Financial Group Inc320,530$4.42M0.00%+43,530+15.7%Added
Russell Investments Group, Ltd.320,877$4.42M0.01%−71,595−18.2%Reduced
Bank of New York Mellon Corp321,201$4.43M0.00%−13,974−4.2%Reduced
The PNC Financial Services Group, Inc.323,246$4.46M0.00%+10,846+3.5%Added
Ziegler Capital Management, LLC334,995$4.62M0.18%+306,927+1,093.5%Added
Parkman Healthcare Partners LLC336,688$4.64M0.57%+336,688New
LPL Financial LLC337,917$4.66M0.00%+165,685+96.2%Added
Renaissance Technologies LLC352,400$4.86M0.01%−11,300−3.1%Reduced
Envestnet Asset Management Inc382,819$5.28M0.00%+23,900+6.7%Added
Schonfeld Strategic Advisors LLC444,749$6.13M0.05%+327,308+278.7%Added
Connor, Clark & Lunn Investment Management Ltd.547,640$7.55M0.03%+25,756+4.9%Added
Pier Capital, LLC662,844$9.14M1.26%+21,093+3.3%Added
Royce & Associates LP707,803$9.76M0.09%+183,981+35.1%Added
Emerald Mutual Fund Advisers Trust719,324$9.92M0.52%+322,595+81.3%Added
Charles Schwab Investment Management Inc756,366$10.4M0.00%+9,585+1.3%Added
Marshall Wace, LLP759,860$10.5M0.02%+407,418+115.6%Added
Squarepoint Ops LLC852,684$11.8M0.05%+267,488+45.7%Added
Northern Trust Corp875,525$12.1M0.00%−2,514−0.3%Reduced
New York State Common Retirement Fund880,542$12.1M0.02%+65,727+8.1%Added
Emerald Advisers, LLC904,946$12.5M0.50%+419,174+86.3%Added
Walleye Capital LLC916,166$12.6M0.14%−648,585−41.4%Reduced
King Luther Capital Management Corp926,228$12.8M0.06%+7,158+0.8%Added
First Turn Management, LLC990,618$13.7M2.04%+990,618New
Goldman Sachs Group Inc1,012,544$14.0M0.00%−438,955−30.2%Reduced
Janus Henderson Group PLC1,090,680$15.0M0.01%−329,013−23.2%Reduced
Intrinsic Edge Capital Management LLC1,132,023$15.6M1.32%−467,826−29.2%Reduced
Deutsche Bank AG1,138,363$15.7M0.01%+119,703+11.8%Added