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ATEC · Alphatec Holdings, Inc. · Shareholders & Ownership

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$10.86 +0.00 (+0.00%) At close · Oct 21
Market Cap
$1.69B
Shares
154.45M
Volume · Oct 21 1.69M Avg daily vol (3M) 2.17M

Every disclosed holder of ATEC in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.

Who Owns ATEC

13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positions

No chart: the summed disclosures exceed shares outstanding, so they are not parts of one whole.

Holder group Shares % Out
Institutional (13F) 111,876,748 72.44%
Insiders (Forms 3, 4, 5) 58,174,104 37.67%
13D/G-only blocks 0 0.00%
Remaining 15,599,776 -10.10%
Registered funds (N-PORT, not summed) 38,737,447 25.08%

Shares outstanding: 154,451,076, the issuer's latest cover-page count restated onto today's split basis.

Remaining is negative: the summed disclosures exceed shares outstanding, as when filings are dated at different times or holders that do not disclose their links count the same shares. It is flagged, not clipped.

13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.

Holders of ATEC

# Holder Shares
1
BlackRock, Inc.
13F CIK 2012383 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
11,326,677
1.1
iShares Russell 2000 ETF
Fund S000004344 · Registered fund · Jun 30, 2026
iShares Trust, not summed
3,223,712
1.2
iShares Russell 2000 Growth ETF
Fund S000004343 · Registered fund · Jun 30, 2026
iShares Trust, not summed
1,145,158
1.3
iShares U.S. Medical Devices ETF
Fund S000009419 · Registered fund · Jun 30, 2026
iShares Trust, not summed
554,532
1.4
Master Small Cap Index Series
Fund S000002716 · Registered fund · Jun 30, 2026
Quantitative Master Series LLC, not summed
231,918
1.5
BlackRock Advantage Small Cap Core Fund
Fund S000039982 · Registered fund · May 29, 2026
BlackRock Funds, not summed
186,700
2
Pelizzon David R
Insider CIK 1719217 · Jun 10, 2026
Director, issuer-wide
10,773,884
3
Pritzker Jennifer N.
Insider CIK 1850165 · Dec 9, 2025
10% Owner, issuer-wide
10,703,045
4
Squadron Capital Holdings LLC
Insider CIK 1731171 · Dec 9, 2025
10% Owner, issuer-wide
10,645,045
5
Squadron Capital LLC
13D CIK 1719228 · Unknown · Dec 15, 2025
not summed
10,395,045
5.1
Squadron Capital LLC
Insider CIK 1719228 · Dec 9, 2025
10% Owner, issuer-wide
10,645,045
6
BRAIDWELL LP
13F CIK 1920938 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
6,531,439
7
AMERICAN CENTURY COMPANIES INC
13F CIK 748054 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
6,521,659
7.1
Small Cap Growth Fund
Fund S000006193 · Registered fund · Jul 31, 2026
American Century Mutual Funds, Inc., not summed
4,902,028
7.2
Small Company Fund
Fund S000005981 · Registered fund · Jun 30, 2026
American Century Quantitative Equity Funds, Inc., not summed
56,103
8
Miles Patrick
Insider CIK 1289409 · Sep 10, 2026
Director, CEO, issuer-wide
6,143,551
9
VANGUARD CAPITAL MANAGEMENT LLC
13F CIK 2100119 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
5,122,681
10
VANGUARD TOTAL STOCK MARKET INDEX FUND
Fund S000002848 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
3,649,925
11
BNP PARIBAS ASSET MANAGEMENT Holding S.A.
13F CIK 1520354 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
3,536,538
12
STATE STREET CORP
13F CIK 93751 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
3,481,349
12.1
State Street(R) SPDR(R) S&P(R) Health Care Equipment ETF
Fund S000012330 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
305,592
12.2
State Street(R) SPDR(R) S&P Kensho New Economies Composite ETF
Fund S000063362 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
295,685
12.3
STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO
Fund S000050332 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
42,100
12.4
State Street Total Return V.I.S. Fund
Fund S000001637 · Registered fund · Jun 30, 2026
STATE STREET VARIABLE INSURANCE SERIES FUNDS INC, not summed
3,132
12.5
State Street(R) SPDR(R) Portfolio MSCI Global Stock Market ETF
Fund S000036082 · Registered fund · Jun 30, 2026
SPDR INDEX SHARES FUNDS, not summed
2,237
13
JACOBS LEVY EQUITY MANAGEMENT, INC
13F CIK 884414 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
3,352,133
14
GEODE CAPITAL MANAGEMENT, LLC
13F CIK 1214717 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
3,188,894
15
ROYAL BANK OF CANADA
13F CIK 1000275 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
2,995,410
16
Nuveen, LLC
13F CIK 1871926 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
2,601,600
16.1
College Retirement Equities Fund - Total Global Stock Account
Fund S000005080 · Registered fund · Jun 30, 2026
College Retirement Equities Fund, not summed
1,316,021
16.2
Nuveen Quant Small/Mid Cap Equity Fund
Fund S000054623 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
405,920
16.3
Nuveen Small Cap Blend Index Fund
Fund S000005367 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
164,192
16.4
Nuveen Equity Index Fund
Fund S000005360 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
81,576
16.5
Nuveen ESG Small-Cap ETF
Fund S000055815 · Registered fund · Jul 31, 2026
NuShares ETF Trust, not summed
64,392
17
TREMBLANT CAPITAL GROUP
13F CIK 1353312 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
2,577,799
18
CITADEL ADVISORS LLC
13F CIK 1423053 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,461,400
19
AQR CAPITAL MANAGEMENT LLC
13F CIK 1167557 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,386,326
19.1
AQR Small Cap Multi-Style Fund
Fund S000040064 · Registered fund · Jun 30, 2026
AQR Funds, not summed
187,483
19.2
AQR Small Cap Momentum Style Fund
Fund S000025644 · Registered fund · Mar 31, 2026
AQR Funds, not summed
13,846
20
WOODS WARD W JR
Insider CIK 1196931 · Jun 11, 2025
Director, issuer-wide
2,210,602
21
VANGUARD MID-CAP GROWTH FUND
Fund S000004408 · Registered fund · Jul 31, 2026
VANGUARD WHITEHALL FUNDS, not summed
2,196,274
22
EMERALD ADVISERS, LLC
13F CIK 1015083 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,104,451
23
UBS Group AG
13F CIK 1610520 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
2,018,823
24
BANK OF AMERICA CORP /DE/
13F CIK 70858 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
1,976,534
25
NOMURA ASSET MANAGEMENT INTERNATIONAL INC.
13F CIK 921739 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,974,452
25.1
Nomura Small Cap Growth Fund
Fund S000006286 · Registered fund · Jun 30, 2026
IVY FUNDS, not summed
1,332,292
25.2
Nomura VIP Small Cap Growth Series
Fund S000006233 · Registered fund · Jun 30, 2026
Ivy Variable Insurance Portfolios, not summed
260,528
26
Cerity Partners LLC
13F CIK 1566475 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,881,945
27
Hunsaker Craig E
Insider CIK 1509282 · Mar 9, 2026
EVP, PEOPLE & CULTURE, issuer-wide
1,725,609
28
GOLDMAN SACHS GROUP INC
13F CIK 886982 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
1,654,423
28.1
Goldman Sachs Small Cap Equity Insights Fund
Fund S000009329 · Registered fund · Jul 31, 2026
Goldman Sachs Trust, not summed
111,018
28.2
Goldman Sachs ActiveBeta(R) U.S. Small Cap Equity ETF
Fund S000048296 · Registered fund · May 31, 2026
Goldman Sachs ETF Trust, not summed
100,634
28.3
Goldman Sachs Small Cap Growth Insights Fund
Fund S000014930 · Registered fund · Jul 31, 2026
Goldman Sachs Trust, not summed
87,239
28.4
Goldman Sachs Variable Insurance Trust Small Cap Equity Insights Fund
Fund S000009355 · Registered fund · Jun 30, 2026
Goldman Sachs Variable Insurance Trust, not summed
18,012
28.5
Goldman Sachs Absolute Return Tracker Fund
Fund S000020314 · Registered fund · Jun 30, 2026
GOLDMAN SACHS TRUST, not summed
16,096
29
RAYMOND JAMES FINANCIAL INC
13F CIK 720005 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
1,639,330
30
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
13F CIK 1164508 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,564,766
31
MORGAN STANLEY
13F CIK 895421 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
1,535,750
31.1
E*TRADE No Fee Total Market Index Fund
Fund S000090722 · Registered fund · Jul 31, 2026
E Trade Trust, not summed
131
32
Penn Capital Management Company, LLC
13F CIK 1158202 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,488,060
33
NORTHERN TRUST CORP
13F CIK 73124 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
1,428,231
33.1
Small Cap Index Fund
Fund S000001245 · Registered fund · Jun 30, 2026
Northern Funds, not summed
62,808
33.2
Small Cap Core Fund
Fund S000001244 · Registered fund · Jun 30, 2026
Northern Funds, not summed
11,067
34
VANGUARD EXTENDED MARKET INDEX FUND
Fund S000002841 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
1,345,307
35
EMERALD MUTUAL FUND ADVISERS TRUST
13F CIK 1352895 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,258,086
35.1
Emerald Growth Fund
Fund S000036390 · Registered fund · Apr 30, 2026
FINANCIAL INVESTORS TRUST, not summed
633,536
36
Granite Investment Partners, LLC
13F CIK 1542266 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,213,570
37
VANGUARD PORTFOLIO MANAGEMENT LLC
13F CIK 2100121 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,198,123
38
Aberdeen Group plc
13F CIK 1716774 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
1,188,581
38.1
abrdn U.S. Small Cap Equity Fund
Fund S000020297 · Registered fund · Jul 31, 2026
abrdn Funds, not summed
674,330
38.2
abrdn Focused U.S. Small Cap Active ETF
Fund S000088604 · Registered fund · Jul 31, 2026
abrdn Funds, not summed
20,403
39
Freestone Grove Partners LP
13F CIK 2007591 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,173,065
40
MILLENNIUM MANAGEMENT LLC
13F CIK 1273087 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,145,837
41
NEW YORK STATE COMMON RETIREMENT FUND
13F CIK 810265 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
1,100,625
42
PARADIGM CAPITAL MANAGEMENT INC/NY
13F CIK 1037792 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,088,200
43
First Eagle Investment Management, LLC
13F CIK 1325447 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
996,637
43.1
First Eagle Small Cap Opportunity Fund
Fund S000072438 · Registered fund · Jul 31, 2026
First Eagle Funds, not summed
875,414
44
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F CIK 884546 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
995,314
44.1
Schwab U.S. Small-Cap ETF
Fund S000026636 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
543,735
44.2
Schwab Small-Cap Index Fund
Fund S000005912 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
300,269
44.3
Schwab Total Stock Market Index Fund
Fund S000005913 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
72,252
44.4
Schwab U.S. Broad Market ETF
Fund S000026631 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
63,880
45
FMR LLC
13F CIK 315066 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
925,732
45.1
Fidelity Small Cap Index Fund
Fund S000033638 · Registered fund · Jul 31, 2026
Fidelity Salem Street Trust, not summed
1,351,638
45.2
Fidelity Enhanced Small Cap Core ETF
Fund S000081807 · Registered fund · Jun 30, 2026
Fidelity Covington Trust, not summed
771,112
45.3
Fidelity Extended Market Index Fund
Fund S000006021 · Registered fund · May 31, 2026
Fidelity Concord Street Trust, not summed
594,553
45.4
Fidelity Total Market Index Fund
Fund S000006026 · Registered fund · May 31, 2026
Fidelity Concord Street Trust, not summed
214,089
45.5
Fidelity Series Total Market Index Fund
Fund S000065248 · Registered fund · May 31, 2026
Fidelity Concord Street Trust, not summed
173,849
46
DEUTSCHE BANK AG\
13F CIK 948046 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
925,186
46.1
DWS Small Cap Growth Fund
Fund S000031150 · Registered fund · Jun 30, 2026
DEUTSCHE DWS INVESTMENT TRUST, not summed
50,668
46.2
DWS Small Cap Index VIP
Fund S000006223 · Registered fund · Jun 30, 2026
DEUTSCHE DWS INVESTMENTS VIT FUNDS, not summed
18,935
46.3
DWS Small Mid Cap Growth VIP
Fund S000006260 · Registered fund · Jun 30, 2026
DEUTSCHE DWS VARIABLE SERIES II, not summed
9,320
47
Bridge Builder Small/Mid Cap Growth Fund
Fund S000048336 · Registered fund · Jun 30, 2026
Bridge Builder Trust, not summed
886,930
48
VANGUARD FIDUCIARY TRUST CO
13F CIK 933478 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
847,952
49
TWO SIGMA INVESTMENTS, LP
13F CIK 1179392 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
823,496
50
Lish Scott
Insider CIK 1831608 · Mar 13, 2026
CHIEF OPERATING OFFICER, issuer-wide
815,704

28 more nested rows are not shown here; Every filing lists them all.

Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.

Showing 1–50 of 371 holders

Create a free account to page through every holder, filter by source and group by ultimate parent.

Key facts CIK 1350653 CUSIP 02081G201 13F (30d) 45 filings 40 filers Visit website Investor relations