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