ALPHATEC HOLDINGS INC (ATEC) Institutional Ownership Changes & 13F Activity

ALPHATEC HOLDINGS INC (ATEC). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q4 2025). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Royal Bank Of Canada, Driehaus Capital Management Llc, Millennium Management Llc, Bank Of America Corp, and Two Sigma Investments, Lp.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Op Asset Management LtdBuy+16,553+31.8%68,587$1.44MQ4 2025Sep 28, 2026
Algert Global LlcBuy+119,689+133.8%209,158$4.40MQ4 2025Aug 11, 2026
Independent Financial Group, LlcSell-2,950-6.9%39,650$834.24KQ4 2025May 15, 2026
Hsbc Holdings PlcBuy+180,790—180,790$3.81MQ4 2025Mar 06, 2026
Rehmann Capital Advisory GroupBuy+23,950—23,950$503.91KQ4 2025Mar 04, 2026
Td Capital Management LlcBuy+43—43$905.00Q4 2025Feb 26, 2026
Sunbelt Securities, Inc.Buy+55—55$1.16KQ4 2025Feb 20, 2026
Mercer Global Advisors IncBuy+296,389—296,389$6.24MQ4 2025Feb 18, 2026
Raymond James Financial IncBuy+36,148—36,148$760.55KQ4 2025Feb 18, 2026
Royal Bank Of CanadaBuy+4,912,510—4,912,510$103.36MQ4 2025Feb 17, 2026
Driehaus Capital Management LlcBuy+2,858,771—2,858,771$60.15MQ4 2025Feb 17, 2026
Millennium Management LlcBuy+2,225,927—2,225,927$46.83MQ4 2025Feb 17, 2026
Bank Of America CorpBuy+2,017,912—2,017,912$42.46MQ4 2025Feb 17, 2026
Two Sigma Investments, LpBuy+1,968,209—1,968,209$41.41MQ4 2025Feb 17, 2026
Two Sigma Advisers, LpBuy+1,635,100—1,635,100$34.40MQ4 2025Feb 17, 2026
Tremblant Capital GroupBuy+1,624,997—1,624,997$34.19MQ4 2025Feb 17, 2026
Northern Trust CorpBuy+1,376,771—1,376,771$28.97MQ4 2025Feb 17, 2026
Citadel Advisors LlcBuy+1,337,565—1,337,565$28.14MQ4 2025Feb 17, 2026
Hood River Capital Management LlcBuy+1,138,350—1,138,350$23.95MQ4 2025Feb 17, 2026
Point72 Asset Management, L.P.Buy+1,099,884—1,099,884$23.14MQ4 2025Feb 17, 2026
Oberweis Asset Management Inc/Buy+1,000,400—1,000,400$21.05MQ4 2025Feb 17, 2026
Nomura Asset Management International Inc.Buy+890,038—890,038$18.73MQ4 2025Feb 17, 2026
Tudor Investment Corp Et AlBuy+887,803—887,803$18.68MQ4 2025Feb 17, 2026
Rockefeller Capital Management L.P.Buy+806,456—806,456$8.54MQ4 2025Feb 17, 2026
Freestone Grove Partners LpBuy+615,420—615,420$12.95MQ4 2025Feb 17, 2026
Aqr Capital Management LlcBuy+604,088—604,088$12.71MQ4 2025Feb 17, 2026
Fmr LlcBuy+480,632—480,632$10.11MQ4 2025Feb 17, 2026
Trexquant Investment LpBuy+419,882—419,882$8.83MQ4 2025Feb 17, 2026
Pdt Partners, LlcBuy+400,892—400,892$8.43MQ4 2025Feb 17, 2026
Rock Springs Capital Management LpBuy+302,500—302,500$6.36MQ4 2025Feb 17, 2026
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Frequently asked questions about ATEC activity

  • Which institutional owners are buying ATEC?

    Institutional owners buying ATEC include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in ATEC activity?

    "Buy" means an investor increased their reported position in ATEC compared to the prior reporting period. This reflects growing exposure to ALPHATEC HOLDINGS INC (ATEC) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in ATEC increasing?

    Institutional interest in ATEC can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.