XTNT · Xtant Medical Holdings, Inc. · Shareholders & Ownership

$0.28 +0.01 (+2.07%) At close · Oct 27 Q2 2026 earnings call transcript

Market Cap

$40.40M

140.29M

Volume · Oct 27 87.39K Avg daily vol (3M) 1.67M

Every disclosed holder of XTNT 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.

How the holder list picks a filing →

Who Owns XTNT

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

Holder group	Holders	Shares	% Out	Summed
Institutional (13F)	33	80,297,193	57.24%	Yes
Insiders (Forms 3, 4, 5)	8	16,900,358	12.05%	Yes
13D/G-only blocks	1	7,702,002	5.49%	Yes
Remaining	—	35,388,407	25.23%	Rest
Registered funds (N-PORT, not summed)	6	2,583,831	1.84%	No

Shares outstanding: 140,287,960, the issuer's latest cover-page count restated onto today's split basis.

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 XTNT

One row per holder Every filing By ultimate parent

All 13F Funds Insiders 13D/G Non-US

#	Holder	Shares	% Out	Change	As of	Notes
1	Nantahala Capital Management, LLC 13F CIK 1472322 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	68,394,000	48.75%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
1.1	Nantahala Capital Management, LLC Insider CIK 1472322 · Apr 10, 2025 10% Owner, issuer-wide, not summed	68,394,000	48.75%	—	Apr 10, 2025	10% Owner, issuer-wide, not summed
2	Vizirgianakis Stavros G. Insider CIK 1559834 · Aug 15, 2026 Director, issuer-wide	7,838,845	5.59%	+323,275	Aug 15, 2026	Director, issuer-wide
3	Lytton, Laurence W. 13G CIK 1105806 · Unknown · Dec 31, 2025 Rule 13d-1(c), passive investor	7,702,002	5.49%	-1,761,440	Dec 31, 2025	Rule 13d-1(c), passive investor
4	AWM Investment Company, Inc. 13F CIK 1535264 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	5,976,910	4.26%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
5	Browne Sean E Insider CIK 1790461 · Aug 15, 2026 Director, President and CEO, issuer-wide	3,114,669	2.22%	+539,395	Aug 15, 2026	Director, President and CEO, issuer-wide
6	VANGUARD CAPITAL MANAGEMENT LLC 13F CIK 2100119 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	2,014,603	1.44%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
7	Beeson Jonn R. Insider CIK 1975134 · Aug 15, 2026 Director, issuer-wide	1,748,408	1.25%	+215,517	Aug 15, 2026	Director, issuer-wide
8	VANGUARD TOTAL STOCK MARKET INDEX FUND Fund S000002848 · Registered fund · Jun 30, 2026 VANGUARD INDEX FUNDS, not summed	1,499,266	1.07%	0	Jun 30, 2026	VANGUARD INDEX FUNDS, not summed
9	Neils Scott C Insider CIK 1902610 · Aug 15, 2026 CFO and Assistant Secretary, issuer-wide	1,215,226	0.87%	+371,845	Aug 15, 2026	CFO and Assistant Secretary, issuer-wide
10	BAKEWELL JOHN K Insider CIK 1183553 · Aug 15, 2026 Director, issuer-wide	1,129,633	0.81%	+215,517	Aug 15, 2026	Director, issuer-wide
11	Schallenberger Mark A. Insider CIK 1960742 · Aug 15, 2026 Chief Operating Officer, issuer-wide	1,106,087	0.79%	+442,930	Aug 15, 2026	Chief Operating Officer, issuer-wide
12	RENAISSANCE TECHNOLOGIES LLC 13F CIK 1037389 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	935,119	0.67%	-52,291	Jun 30, 2026	carried, not yet filed for the newest quarter
13	GEODE CAPITAL MANAGEMENT, LLC 13F CIK 1214717 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	517,133	0.37%	-12,081	Jun 30, 2026	carried, not yet filed for the newest quarter
14	VANGUARD EXTENDED MARKET INDEX FUND Fund S000002841 · Registered fund · Jun 30, 2026 VANGUARD INDEX FUNDS, not summed	515,337	0.37%	0	Jun 30, 2026	VANGUARD INDEX FUNDS, not summed
15	Crescent Grove Advisors, LLC 13F CIK 1713520 · Registered investment adviser · Sep 30, 2026	412,024	0.29%	0	Sep 30, 2026
16	NANO CAP NEW MILLENNIUM GROWTH FUND L P 13F CIK 1277890 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	400,000	0.29%	+50,000	Jun 30, 2026	carried, not yet filed for the newest quarter
17	JAIN ABHINAV Insider CIK 1981291 · Aug 15, 2026 Director, issuer-wide	373,745	0.27%	+215,517	Aug 15, 2026	Director, issuer-wide
18	Lipschultz Tyler Insider CIK 1509284 · Aug 15, 2026 Director, issuer-wide	373,745	0.27%	+215,517	Aug 15, 2026	Director, issuer-wide
19	VANGUARD FIDUCIARY TRUST CO 13F CIK 933478 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	257,988	0.18%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
20	Fidelity Extended Market Index Fund Fund S000006021 · Registered fund · Aug 31, 2026 Fidelity Concord Street Trust, not summed	227,822	0.16%	-14,082	Aug 31, 2026	Fidelity Concord Street Trust, not summed
21	CITADEL ADVISORS LLC 13F CIK 1423053 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	191,369	0.14%	+30,358	Jun 30, 2026	carried, not yet filed for the newest quarter
22	ACADIAN ASSET MANAGEMENT LLC 13F CIK 916542 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	180,299	0.13%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
23	BRIDGEWAY CAPITAL MANAGEMENT, LLC 13F CIK 1107261 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	164,100	0.12%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
23.1	Ultra-Small Company Market Fund Fund S000004424 · Registered fund · Jun 30, 2026 Bridgeway Funds, Inc., not summed	154,100	0.11%	0	Jun 30, 2026	Bridgeway Funds, Inc., not summed
24	WIREGRASS INVESTMENT MANAGEMENT LLC 13F CIK 2109460 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	150,000	0.11%	+47,000	Jun 30, 2026	carried, not yet filed for the newest quarter
25	BlackRock, Inc. 13F CIK 2012383 · Holding company · Jun 30, 2026 carried, not yet filed for the newest quarter	115,782	0.08%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
26	Fidelity Total Market Index Fund Fund S000006026 · Registered fund · Aug 31, 2026 Fidelity Concord Street Trust, not summed	113,093	0.08%	0	Aug 31, 2026	Fidelity Concord Street Trust, not summed
27	Mink Brook Asset Management LLC 13F CIK 2052205 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	109,466	0.08%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
28	NORTHERN TRUST CORP 13F CIK 73124 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	101,127	0.07%	+1,529	Jun 30, 2026	carried, not yet filed for the newest quarter
29	MILLENNIUM MANAGEMENT LLC 13F CIK 1273087 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	84,490	0.06%	-47,864	Jun 30, 2026	carried, not yet filed for the newest quarter
30	Fidelity Series Total Market Index Fund Fund S000065248 · Registered fund · Aug 31, 2026 Fidelity Concord Street Trust, not summed	74,213	0.05%	0	Aug 31, 2026	Fidelity Concord Street Trust, not summed
31	XTX Topco Ltd 13F CIK 1828301 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	68,531	0.05%	+30,598	Jun 30, 2026	carried, not yet filed for the newest quarter
32	WEDBUSH SECURITIES INC 13F CIK 1142495 · Registered investment adviser · Sep 30, 2026	45,000	0.03%	+45,000	Sep 30, 2026
33	UBS Group AG 13F CIK 1610520 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	31,920	0.02%	+31,920	Jun 30, 2026	carried, not yet filed for the newest quarter
34	STATE STREET CORP 13F CIK 93751 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	31,266	0.02%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
35	SEI INVESTMENTS CO 13F CIK 350894 · Holding company · Jun 30, 2026 carried, not yet filed for the newest quarter	24,760	0.02%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
36	Kestra Advisory Services, LLC 13F CIK 1830819 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	20,000	0.01%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
37	HRT FINANCIAL LP 13F CIK 1475597 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	19,597	0.01%	+19,597	Jun 30, 2026	carried, not yet filed for the newest quarter
38	Ground Swell Capital, LLC 13F CIK 1534450 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	13,070	0.01%	+13,070	Jun 30, 2026	carried, not yet filed for the newest quarter
39	COMMONWEALTH EQUITY SERVICES, LLC 13F CIK 312272 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	12,691	0.01%	+12,691	Jun 30, 2026	carried, not yet filed for the newest quarter
40	Equitable Holdings, Inc. 13F CIK 1333986 · Holding company · Jun 30, 2026 carried, not yet filed for the newest quarter	11,450	0.01%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
41	Tower Research Capital LLC (TRC) 13F CIK 1533421 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	10,398	0.01%	+3,010	Jun 30, 2026	carried, not yet filed for the newest quarter
42	MassMutual Private Wealth & Trust, FSB 13F CIK 1103653 · Unknown · Sep 30, 2026	2,000	0.00%	0	Sep 30, 2026
43	MORGAN STANLEY 13F CIK 895421 · Holding company · Jun 30, 2026 carried, not yet filed for the newest quarter	1,125	0.00%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
44	WELLS FARGO & COMPANY/MN 13F CIK 72971 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	488	0.00%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
45	VALLEY WEALTH MANAGERS, INC. 13F CIK 924166 · Registered investment adviser · Sep 30, 2026	298	0.00%	0	Sep 30, 2026
46	BARCLAYS PLC 13F CIK 312069 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	187	0.00%	+187	Jun 30, 2026	carried, not yet filed for the newest quarter
47	SBI Securities Co., Ltd. 13F CIK 1851815 · Non-US institution · Sep 30, 2026	2	0.00%	0	Sep 30, 2026

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.

Key facts CIK 1453593 CUSIP 98420P308 13F (30d) 5 filings 5 filers Visit website Investor relations