Alphatec Holdings, Inc. (ATEC) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

0Shares Outstanding

2,402,313Shares held by institutions

$26,413,431Value of institutional holdings

70.58%Institutional ownership %

-0.97%Shares Changed QoQ

234No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Alphatec Holdings, Inc. (NASDAQ:ATEC) is held by 275 institutional investors per 13F filings through December 2025.

Collectively, these holders controlled 78.7% of Alphatec Holdings's outstanding shares in December 2025, up from 74.0% in September 2025.
Their total shares held in ATEC increased 11.02% from the prior quarter, while the number of investors in Alphatec Holdings increased 21.68% year over year.
Of these 275 funds, 140 grew their exposure to Alphatec Holdings, 96 cut back, and 39 maintained positions.
In total, institutional investors held 119.18Mn shares in Alphatec Holdings as of December 2025, up by 11.83Mn shares quarter on quarter, and up 31.66Mn shares year over year.
As of December 31, 2025, BlackRock, Inc. held the largest stake in Alphatec Holdings with 10.16Mn shares, accounting for 6.71% of total shares outstanding.
The most significant purchases of ATEC for the quarter ending December 2025 came from MILLENNIUM MANAGEMENT LLC (1.66Mn), TREMBLANT CAPITAL GROUP (1.62Mn), DRIEHAUS CAPITAL MANAGEMENT LLC (1.45Mn), Iron Triangle Partners LP (1.29Mn), CITADEL ADVISORS LLC (1.15Mn).
The biggest sellers of Alphatec Holdings for the quarter ending December 2025 included Bank Of America Corp /De/ (3.16Mn), TUDOR INVESTMENT CORP ET AL (913.18K), Prudential Financial Inc (794.24K), Intrinsic Edge Capital Management LLC (791.2K), Penn Capital Management Company, LLC (489.34K).
Per Business Quant, the top 10 investors in ATEC for the quarter ending December 2025 include BlackRock, Inc. (10.16Mn), VANGUARD GROUP INC (6.88Mn), AMERICAN CENTURY COMPANIES INC (6.51Mn), Royal Bank Of Canada (4.91Mn), Morgan Stanley (4.34Mn), DEUTSCHE BANK AG\ (3.34Mn), BNP Paribas Asset Management Holding S.A. (3.18Mn), State Street Corp (2.89Mn), Nuveen, LLC (2.87Mn), DRIEHAUS CAPITAL MANAGEMENT LLC (2.86Mn).

275 Institutional Holders

2,402,313 Total Shares Held

Rows:

Download Data

Owner Name	Date	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	-212,649	-2.05%	$0.00
VANGUARD GROUP INC	31 Dec, 2025	68,568	1.01%	$0.00
Nuveen, LLC	31 Dec, 2025	-38,066	-1.31%	$0.00
Rockefeller Capital Management L.P.	31 Dec, 2025	791,368	188.09%	$0.00
AMERICAN CENTURY COMPANIES INC	31 Dec, 2025	172,971	2.73%	$0.00
Walleye Capital LLC	31 Dec, 2025	-122,121	-7.25%	$0.00
HSBC HOLDINGS PLC	31 Dec, 2025	-10,905	-2.93%	$0.00
Royal Bank Of Canada	31 Dec, 2025	-99,665	-1.99%	$0.00
UBS Group AG	31 Dec, 2025	161,350	12.92%	$0.00
Barclays Plc	31 Dec, 2025	-143,720	-40.72%	$0.00
Morgan Stanley	31 Dec, 2025	784,191	22.05%	$0.00
Aberdeen Group plc	31 Dec, 2025	294,792	29.73%	$0.00
PEAK6 LLC	31 Dec, 2025	50,086	0.00%	$0.00
DEUTSCHE BANK AG\	31 Dec, 2025	220,821	7.07%	$0.00
Iron Triangle Partners LP	31 Dec, 2025	1,285,685	0.00%	$0.00
BNP Paribas Asset Management Holding S.A.	31 Dec, 2025	-79,539	-2.44%	$0.00
Point72 Asset Management, L.P.	31 Dec, 2025	949,545	631.60%	$0.00
State Street Corp	31 Dec, 2025	174,287	6.42%	$0.00
Motley Fool Wealth Management, LLC	31 Dec, 2025	-130,852	-13.52%	$0.00
DRIEHAUS CAPITAL MANAGEMENT LLC	31 Dec, 2025	1,449,158	102.81%	$0.00

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