Alphatec Holdings, Inc. - Common Stock, par value $0.0001 per share (ATEC)

Q: What does CUSIP 02081G201 represent in this 13F holders report?

CUSIP 02081G201 is the security identifier for ATEC - Alphatec Holdings, Inc. - Common Stock, par value $0.0001 per share used to aggregate holder disclosures.

Q: How many institutions held ATEC - Alphatec Holdings, Inc. - Common Stock, par value $0.0001 per share in Q4 2023?

203 institutional investors reported ATEC - Alphatec Holdings, Inc. - Common Stock, par value $0.0001 per share for Q4 2023. Use the holders table for investor-level position and value details.

CUSIP: 02081G201

Q4 2023 13F Holders as of 31 Dec 2023

Security type / class: Equity / Common Stock, par value $0.0001 per share
Total 13F shares: 90,194,008
Total 13F value: $1,363,122,567
Share change: +20,555,872
Put/Call ratio: 5.8%
SEC-reported price per share: $15.11
Number of holders: 203
Value change: +$315,244,959
Number of buys: 124
Number of sells: 68
Shares outstanding: 148,491,921

Security key

02081G201

Report period

Q4 2023

Institutions

203

Top holders

ATEC full security history Ownership snapshot Full 13F holder table Newer quarter: Q1 2024 Previous quarter: Q3 2023 Alphatec Holdings, Inc. SEC filings Alphatec Holdings, Inc. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 02081G201

Newer quarter: Q1 2024 Previous quarter: Q3 2023

Recent filing periods:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Ownership snapshot

Top reported holders of ATEC - Alphatec Holdings, Inc. - Common Stock, par value $0.0001 per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

BlackRock Finance, Inc.

Disclosed value leader

BlackRock Finance, Inc.

Comparable rows

15/15

Latest evidence

30 Sep 2023

13F Lead comparable stake: 3.8% Showing 1-6 of 15 holder rows.

Quick read

BlackRock Finance, Inc. leads the comparable SEC ownership view at 3.8%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens BlackRock Finance, Inc.'s linked filing trail.

Comparable ownership Top 5

BlackRock Finance, Inc. 3.8%

MILLENNIUM MANAGEMENT LLC 3.8%

VANGUARD GROUP INC 3.1%

First Light Asset Management, LLC 2%

AMERICAN CENTURY COMPANIES INC 1.8%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
BlackRock Finance, Inc.	13F Company 13F	3.8%	$74,068,687 5,710,770 shares	—	30 Sep 2023
MILLENNIUM MANAGEMENT LLC	13F Company 13F	3.8%	$74,055,276 5,709,736 shares	—	30 Sep 2023
VANGUARD GROUP INC	13F Company 13F	3.1%	$59,859,443 4,615,223 shares	—	30 Sep 2023
First Light Asset Management, LLC	13F Company 13F	2%	$39,345,027 3,033,541 shares	—	30 Sep 2023
AMERICAN CENTURY COMPANIES INC	13F Company 13F	1.8%	$34,439,609 2,655,328 shares	—	30 Sep 2023
DRIEHAUS CAPITAL MANAGEMENT LLC	13F Company 13F	1.7%	$32,772,687 2,526,807 shares	—	30 Sep 2023

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q4 2023

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

203

90,194,008

Rows available

203

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q4 2023 vs Q3 2023 Across Filers

Q3 2023 holders

197

Q4 2023 holders

203

Holder diff

Investor	Q3 2023 Shares	Q4 2023 Shares	Share Diff	Share Chg %	Q3 2023 value	Q4 2023 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend