Alphatec Holdings, Inc.

ATEC

Exchange: Nasdaq
Industry: Surgical & Medical Instruments & Apparatus
SEC CIK: 0001350653

SEC filings (opens in a new tab)

In the last 90 days, Alphatec Holdings, Inc. insiders filed 1 open-market purchase and 1 sale; 267 institutions reported holding it in 13F filings for Q2 2026, worth $966.6M in total; no superinvestor holds it.

Q4 2022 vs. Q3 2022

How the institutions holding Alphatec Holdings, Inc. changed between Q3 2022 and Q4 2022.

All holders in Q4 2022 All holders in Q3 2022

13F holders of ATEC: Q3 2022 compared with Q4 2022
Measure	Q3 2022	Of which not filed for Q4 2022	Q4 2022	Change
Holders	164	2	182	+20
Shares	51.2M	290.1K	54.0M	+3.04M (+6.0%)
Value	$447.7M	$2.54M	$666.3M	+$221.2M (+49.7%)

2 institutions that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so the changes leave them out.

New holders (36)

Institutions that held Alphatec Holdings, Inc. at the end of Q4 2022 but not at the end of Q3 2022.

Institutions new to ATEC in Q4 2022
Institution	Shares	Value	% of portfolio
Polar Asset Management Partners Inc.	954,528	$11.8M	0.17%
Divisadero Street Capital Management, LP	450,000	$5.56M	4.16%
Brookfield Asset Management Inc.	281,845	$3.48M	0.01%
Waypoint Capital Advisors, LLC	258,247	$3.19M	1.11%
Assenagon Asset Management S.A.	211,478	$2.61M	0.01%
Numerai GP LLC	200,282	$2.47M	1.69%
HRT Financial LP	197,612	$2.44M	0.03%
Calamos Advisors LLC	158,755	$1.96M	0.01%
Legato Capital Management LLC	82,736	$1.02M	0.20%
PEAK6 Investments LLC	57,896	$715.0K	0.04%
Cyndeo Wealth Partners, LLC	46,841	$578.5K	0.07%
Advisory Research Inc	37,157	$458.9K	0.04%
Simplex Trading, LLC	34,928	$431.0K	0.02%
Raymond James & Associates	29,010	$358.3K	0.00%
Aquatic Capital Management LLC	24,600	$304.0K	0.02%
Aigen Investment Management, LP	23,569	$291.1K	0.04%
Kula Investments, LLC	22,862	$282.3K	0.10%
Bayesian Capital Management, LP	21,565	$266.3K	0.04%
Tudor Investment Corp Et Al	21,014	$260.0K	0.01%
XTX Topco Ltd	17,085	$211.0K	0.04%
Cipher Capital LP	17,028	$210.3K	0.04%
Balyasny Asset Management LLC	12,927	$159.6K	0.00%
Boothbay Fund Management, LLC	11,601	$143.3K	0.00%
Belvedere Trading LLC	10,646	$131.5K	0.07%
Verition Fund Management LLC	10,112	$124.9K	0.00%
Arcadia Investment Management Corp	9,221	$113.9K	0.03%
Point72 Middle East FZE	6,255	$77.2K	0.01%
Worth Venture Partners, LLC	4,000	$49.4K	0.03%
Belpointe Asset Management LLC	2,000	$24.7K	0.00%
Quarry LP	1,441	$17.8K	0.02%
Money Concepts Capital Corp	1,315	$16.2K	0.00%
GWM Advisors LLC	2,285	$6.20K	0.00%
Column Capital Advisors, LLC	200	$2.47K	0.00%
Elequin Capital LP	59	$729	0.00%
Accurate Wealth Management, LLC	50	$598	0.00%
Signaturefd, LLC	19	$235	0.00%

Sold out (16)

Institutions that held Alphatec Holdings, Inc. at the end of Q3 2022 and filed for Q4 2022 without it.

Institutions that sold out of ATEC in Q4 2022
Institution	Shares, Q3 2022	Value, Q3 2022
Avidity Partners Management LP	1,715,000	$15.0M
Altium Capital Management LP	342,000	$2.99M
Renaissance Technologies LLC	331,800	$2.90M
ExodusPoint Capital Management, LP	91,174	$797.0K
Twinbeech Capital LP	56,957	$498.0K
Winning Points Advisors, LLC	45,300	$393.0K
Versor Investments LP	31,157	$272.0K
Susquehanna Fundamental Investments, LLC	28,150	$246.0K
Leverage Partners Absolute Return Fund SPC	25,000	$218.0K
Dynamic Technology Lab Private Ltd	18,777	$164.0K
SG Americas Securities, LLC	14,811	$129.0K
State of Wisconsin Investment Board	13,277	$116.0K
Ensign Peak Advisors, Inc	13,270	$116.0K
Fox Run Management, L.L.C.	11,822	$103.0K
Teacher Retirement System of Texas	10,218	$89.0K
Almanack Investment Partners, LLC.	2,135	$19.0K

Not filed for Q4 2022 yet (2)

Institutions that held Alphatec Holdings, Inc. at the end of Q3 2022 and haven't filed a 13F for Q4 2022. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ATEC in Q3 2022 that haven't filed for Q4 2022
Institution	Shares, Q3 2022	Value, Q3 2022
Parian Global Management LP	265,918	$2.32M
Keebeck Alpha, LP	24,227	$212.0K