Alphatec Holdings, Inc. (ATEC) Institutional Ownership & Insider Trading

267 institutions reported holding Alphatec Holdings, Inc. shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings. 48 insider trades on Form 4 since 2025-10-01.

Source: SEC EDGAR filings · figures as of 2026-06-30 · read by EquiReason

ATECAlphatec Holdings, Inc.Follow ATEC — free

Medical Devices · Healthcare

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Market cap: 1.7B
P/E TTM: —
Dividend yield: —
52-week: —
Next earnings: 29 Oct, in 5 days

Institutions · all 13F filers

quarter to 30 Jun 2026 · filers in both quarters

267 institutions held 73.0% of the shares. Across filers that reported both quarters, shares held changed +0.1%.

Largest moves, shares (millions)

Institutional flow by quarter

net shares added or trimmed, millions · filers in both quarters

Quarter	Holders	Shares held, M	Change	Increased	New	Decreased	Closed
Jun 26	267	113	+0.1%	105	32	79	50
Mar 26	284	113	-2.5%	99	44	69	42
Dec 25	279	120	+9.2%	89	34	92	24
Sep 25	265	108	+3.1%	78	53	80	20
Jun 25	235	101	+12.7%	97	30	52	16
Mar 25	228	88	+8.4%	76	37	59	30
Dec 24	224	85	-2.9%	73	34	61	30
Sep 24	213	83	-13.2%	81	37	57	42

Alphatec Holdings, Inc. — questions

Who owns Alphatec Holdings, Inc. stock?: 267 institutions reported Alphatec Holdings, Inc. shares in 13F filings for the quarter ended 2026-06-30. The largest: BlackRock, Inc. (7.3%), BRAIDWELL LP (4.2%), AMERICAN CENTURY COMPANIES INC (4.2%).
Are Alphatec Holdings, Inc. insiders buying or selling?: 48 insider trades on Form 4 since 2025-10-01; the full list, with dates, people and plan status, is on this page.

Every figure on this page comes from Alphatec Holdings, Inc.'s own SEC filings — see them on SEC EDGAR. Price data is licensed and shown only inside the product.

How these figures are read: methodology · EquiReason.

Important information. Figures on this page are taken from filings submitted to the U.S. Securities and Exchange Commission (SEC) and processed automatically by EquiReason. They may contain errors, omissions or delays, and EquiReason makes no representation or warranty as to their accuracy, completeness or timeliness. Always verify figures against the original filing on SEC EDGAR before relying on them.

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