XTNTNYSESurgical & Medical Instruments & ApparatusFiscal year ends December 31
Xtant Medical Holdings, Inc.
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 11, 2026
$0.29+0.00 (+1.50%)
Close on Oct 19, 2026
- Market cap
- $40.82M
- P/E (TTM)
- –
- Dividend yield
- –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
100.0%
149M of 140M shares
Institutional holders
32
5 new, 7 sold out
Net institutional buying
68M
In Q2 2026
Insider trades, 12 months
0 buys · 0 sales
Open-market trades only
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| Laurence W. Lytton | 9,463,442 | 6.80% | 13G (passive) | Apr 15, 2025 |
| Altium Capital Management, LP | 8,027,593 | 6.20% | 13G (passive) amendment | Dec 31, 2023 |
| Lytton Laurence W | 7,702,002 | 5.50% | 13G (passive) amendment | Dec 31, 2025 |
| Harkey Wilmot B. | 68,394,000 | 49.10% | 13D (active) amendment | Aug 1, 2025 |
| Nantahala Capital Management, LLC | 68,394,000 | 49.10% | 13D (active) | Apr 10, 2025 |
| Daniel Mack | 11,394,000 | 8.21% | 13G (passive) | Sep 30, 2024 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of XTNT | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| Nantahala Capital Management, LLC | 136,788,000 | 97.51% | $57.59M | +68,394,000 | 0.96% |
| AWM Investment Company, Inc. | 5,976,910 | 4.26% | $2.52M | – | 0.22% |
| Vanguard Capital Management LLC | 2,014,603 | 1.44% | $848.15K | – | 0.00% |
| Renaissance Technologies LLC | 935,119 | 0.67% | $393.69K | −52,291 | 0.00% |
| Geode Capital Management, LLC | 517,133 | 0.37% | $217.77K | −12,081 | 0.00% |
| Crescent Grove Advisors, LLC | 412,024 | 0.29% | $173.46K | – | 0.01% |
| Nano Cap New Millennium Growth Fund L P | 400,000 | 0.29% | $168.40K | +50,000 | 0.13% |
| Vanguard Fiduciary Trust Co | 257,988 | 0.18% | $108.61K | – | 0.00% |
| Citadel Advisors LLC | 191,369 | 0.14% | $80.57K | +30,358 | 0.00% |
| Acadian Asset Management LLC | 180,299 | 0.13% | $73 | – | 0.00% |
| Bridgeway Capital Management, LLC | 164,100 | 0.12% | $69.09K | – | 0.00% |
| Wiregrass Investment Management LLC | 150,000 | 0.11% | $63.15K | +47,000 | 0.04% |
| BlackRock, Inc. | 115,782 | 0.08% | $48.74K | – | 0.00% |
| Mink Brook Asset Management LLC | 109,466 | 0.08% | $46.09K | – | 0.02% |
| Northern Trust Corp | 101,127 | 0.07% | $42.57K | +1,529 | 0.00% |
| Millennium Management LLC | 84,490 | 0.06% | $35.57K | −47,864 | 0.00% |
| XTX Topco Ltd | 68,531 | 0.05% | $28.85K | +30,598 | 0.00% |
| UBS Group AG | 31,920 | 0.02% | $13.44K | New | 0.00% |
| State Street Corp | 31,266 | 0.02% | $13.16K | – | 0.00% |
| Sei Investments Co | 24,760 | 0.02% | $10.42K | – | 0.00% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 32 | 149M | 100.0% | 5 / 7 | 3 / 7 | 69M | 1M |
| Q1 2026 | 34 | 81M | 57.6% | 6 / 6 | 6 / 6 | 3M | 1M |
| Q4 2025 | 35 | 81M | 58.0% | 12 / 4 | 9 / 7 | 2M | 0M |
| Q3 2025 | 30 | 80M | 57.1% | 4 / 8 | 5 / 4 | 0M | 0M |
| Q2 2025 | 30 | 80M | 57.0% | 6 / 7 | 6 / 4 | 64M | 81M |
| Q1 2025 | 28 | 96M | 68.7% | 3 / 3 | 7 / 5 | 0M | 1M |
| Q4 2024 | 30 | 97M | 68.9% | 7 / 5 | 8 / 5 | 0M | 2M |
| Q3 2024 | 28 | 98M | 70.0% | 3 / 7 | 5 / 1 | 5M | 0M |
| Q2 2024 | 27 | 94M | 66.8% | 2 / 7 | 11 / 8 | 5M | 2M |
| Q1 2024 | 33 | 90M | 64.4% | 6 / 11 | 8 / 4 | 1M | 5M |
| Q4 2023 | 31 | 94M | 67.1% | 5 / 15 | 4 / 2 | 5M | 1M |
| Q3 2023 | 28 | 90M | 64.4% | 11 / 12 | 4 / 2 | 9M | 0M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
| Fund | Shares | % of XTNT | Value | % of fund | As of |
|---|---|---|---|---|---|
| Vanguard Total Stock Market Index Fund | 1,499,266 | 1.07% | $631.19K | 0.00% | Jun 30, 2026 |
| Vanguard Extended Market Index Fund | 515,337 | 0.37% | $216.96K | 0.00% | Jun 30, 2026 |
| Fidelity Extended Market Index Fund | 241,904 | 0.17% | $111.76K | 0.00% | May 31, 2026 |
| Ultra-Small Company Market Fund | 154,100 | 0.11% | $64.88K | 0.04% | Jun 30, 2026 |
| Fidelity Total Market Index Fund | 113,093 | 0.08% | $52.25K | 0.00% | May 31, 2026 |
| Fidelity Series Total Market Index Fund | 74,213 | 0.05% | $34.29K | 0.00% | May 31, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| Sean E. Browne | President and CEO, Director | 3,114,669 | 2.22% | Aug 18, 2026 |
| Mark A. Schallenberger | Chief Operating Officer | 1,106,087 | 0.79% | Aug 18, 2026 |
| Scott C. Neils | CFO and Assistant Secretary | 1,243,381 | 0.89% | Aug 18, 2026 |
| Abhinav Jain | Director | 373,745 | 0.27% | Aug 18, 2026 |
| John K. Bakewell | Director | 1,129,633 | 0.81% | Aug 18, 2026 |
| Stavros G. Vizirgianakis | Director | 7,838,845 | 5.59% | Aug 18, 2026 |
| Jonn R. Beeson | Director | 1,748,408 | 1.25% | Aug 18, 2026 |
| Tyler Lipschultz | Director | 373,745 | 0.27% | Aug 18, 2026 |
| Capital Partners Limited Partnership Nantahala | 10% owner | – | – | Apr 17, 2025 |
| Daniel Mack | 10% owner | – | – | Apr 17, 2025 |
| Wilmot B. Harkey | 10% owner | 68,394,000 | 48.75% | Apr 17, 2025 |
| Nantahala Capital Management, LLC | 10% owner | – | – | Apr 17, 2025 |
| ROF II LLC Orbimed | 10% owner | 0 | – | Apr 14, 2025 |
| Advisors Llc Orbimed | 10% owner | 215,415 | 0.15% | Apr 14, 2025 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| John K. Bakewell Director | Aug 15, 2026 | Award | +215,517 | – | – | 1,129,633 |
| Mark A. Schallenberger Chief Operating Officer | Aug 15, 2026 | Tax withholding | −7,070 | $0.31 | $2.19K | 1,106,087 |
| Mark A. Schallenberger Chief Operating Officer | Aug 15, 2026 | Award | +450,000 | – | – | 1,113,157 |
| Jonn R. Beeson Director | Aug 15, 2026 | Award | +215,517 | – | – | 733,136 |
| Stavros G. Vizirgianakis Director | Aug 15, 2026 | Award | +323,275 | – | – | 7,838,845 |
| Scott C. Neils CFO and Assistant Secretary | Aug 15, 2026 | Award | +400,000 | – | – | 1,243,381 |
| Scott C. Neils CFO and Assistant Secretary | Aug 15, 2026 | Tax withholding | −28,155 | $0.31 | $8.73K | 1,215,226 |
| Sean E. Browne President and CEO, Director | Aug 15, 2026 | Tax withholding | −10,605 | $0.31 | $3.29K | 3,114,669 |
| Sean E. Browne President and CEO, Director | Aug 15, 2026 | Award | +550,000 | – | – | 3,125,274 |
| Abhinav Jain Director | Aug 15, 2026 | Award | +215,517 | – | – | 373,745 |
| Tyler Lipschultz Director | Aug 15, 2026 | Award | +215,517 | – | – | 373,745 |
| Mark A. Schallenberger Chief Operating Officer | Feb 15, 2026 | Tax withholding | −7,709 | $0.58 | $4.47K | 663,157 |
| Scott C. Neils CFO and Assistant Secretary | Jan 15, 2026 | Tax withholding | −8,084 | $0.65 | $5.25K | 843,381 |
| Scott C. Neils CFO and Assistant Secretary | Nov 15, 2025 | Award | +263,291 | – | – | 851,465 |
| Stavros G. Vizirgianakis Director | Nov 15, 2025 | Award | +553,797 | – | – | 7,515,570 |
| John K. Bakewell Director | Nov 15, 2025 | Award | +158,228 | – | – | 914,116 |
| Mark A. Schallenberger Chief Operating Officer | Nov 15, 2025 | Award | +292,253 | – | – | 670,866 |
| Jonn R. Beeson Director | Nov 15, 2025 | Award | +158,228 | – | – | 517,619 |
| Sean E. Browne President and CEO, Director | Nov 15, 2025 | Award | +394,937 | – | – | 2,575,274 |
| Tyler Lipschultz Director | Nov 15, 2025 | Award | +158,228 | – | – | 158,228 |
| John K. Bakewell Director | Nov 15, 2025 | Award | +158,228 | – | – | 158,228 |
| Abhinav Jain Director | Nov 15, 2025 | Award | +158,228 | – | – | 158,228 |
| Scott C. Neils CFO | Aug 15, 2025 | Tax withholding | −34,131 | $0.63 | $21.50K | 588,174 |
| Sean E. Browne President and CEO, Director | Aug 15, 2025 | Tax withholding | −10,605 | $0.63 | $6.68K | 2,180,337 |
| ROF II LLC Orbimed 10% owner | Apr 10, 2025 | Sale | −56,004,974 | $0.42 | $23.52M | 0 |
| ROF II LLC Orbimed 10% owner | Apr 10, 2025 | Sale | −17,109,618 | $0.42 | $7.19M | 0 |
| Scott C. Neils Chief Financial Officer | Jan 15, 2025 | Tax withholding | −7,986 | $0.53 | $4.23K | 622,305 |
| Sean E. Browne President and CEO, Director | Oct 15, 2024 | Tax withholding | −105,442 | $0.59 | $62.21K | 2,190,942 |
| John K. Bakewell Director | Aug 15, 2024 | Award | +162,162 | – | – | 755,888 |
| Stavros G. Vizirgianakis Director | Aug 15, 2024 | Award | +243,243 | – | – | 6,456,368 |
| Stavros G. Vizirgianakis Director | Aug 15, 2024 | Award | +505,405 | – | – | 6,961,773 |
| Sean E. Browne President and CEO, Director | Aug 15, 2024 | Tax withholding | −10,606 | $0.60 | $6.36K | 2,296,384 |
| Lori D. Mitchell-Keller Director | Aug 15, 2024 | Award | +162,162 | – | – | 353,124 |
| Jonn R. Beeson Director | Aug 15, 2024 | Award | +162,162 | – | – | 359,391 |
| Robert McNamara Director | Aug 15, 2024 | Award | +162,162 | – | – | 754,151 |
| Scott C. Neils Chief Financial Officer | Aug 15, 2024 | Tax withholding | −34,132 | $0.60 | $20.48K | 630,291 |
| Kevin D. Brandt Chief Commercial Officer | Aug 15, 2024 | Tax withholding | −56,333 | $0.60 | $33.80K | 943,736 |
| Mark A. Schallenberger Chief Operations Officer | Apr 3, 2024 | Award | +173,469 | – | – | 378,613 |
| Scott C. Neils Chief Financial Officer | Apr 3, 2024 | Award | +177,551 | – | – | 664,423 |
| Mark A. Schallenberger Chief Operations Officer | Apr 3, 2024 | Award | +177,551 | – | – | 382,695 |
| Sean E. Browne President and CEO, Director | Apr 3, 2024 | Award | +731,632 | – | – | 2,306,990 |
| Kevin D. Brandt Chief Commercial Officer | Apr 3, 2024 | Award | +184,209 | – | – | 1,000,069 |
| Scott C. Neils Chief Financial Officer | Jan 16, 2024 | Tax withholding | −7,986 | $1.09 | $8.70K | 486,872 |
| Kevin D. Brandt Chief Commercial Officer | Nov 17, 2023 | Buy | +41,670 | $1.20 | $50.00K | 815,860 |
| Sean E. Browne President and CEO, Director | Oct 15, 2023 | Tax withholding | −105,442 | $1.08 | $113.88K | 1,575,358 |
| Sean E. Browne President and CEO, Director | Oct 15, 2023 | Tax withholding | −111,721 | $1.08 | $120.66K | 1,569,079 |
| John K. Bakewell Director | Aug 15, 2023 | Award | +145,180 | – | – | 593,726 |
| Stavros G. Vizirgianakis Director | Aug 15, 2023 | Award | +217,770 | – | – | 6,213,125 |
| Mark A. Schallenberger Chief Operations Officer | Aug 15, 2023 | Award | +116,144 | – | – | 205,144 |
| Kevin D. Brandt Chief Commercial Officer | Aug 15, 2023 | Tax withholding | −49,880 | $1.18 | $58.86K | 774,190 |
| Kevin D. Brandt Chief Commercial Officer | Aug 15, 2023 | Award | +120,499 | – | – | 824,070 |
| Scott C. Neils Chief Financial Officer | Aug 15, 2023 | Tax withholding | −25,246 | $1.18 | $29.79K | 494,858 |
| Scott C. Neils Chief Financial Officer | Aug 15, 2023 | Award | +116,144 | – | – | 520,104 |
| Jonn R. Beeson Director | Aug 15, 2023 | Award | +145,180 | – | – | 197,229 |
| Sean E. Browne President and CEO, Director | Aug 15, 2023 | Award | +174,216 | – | – | 1,680,800 |
| Lori D. Mitchell-Keller Director | Aug 15, 2023 | Award | +145,180 | – | – | 190,962 |
| Robert McNamara Director | Aug 15, 2023 | Award | +145,180 | – | – | 591,989 |
| Lori D. Mitchell-Keller Director | Jun 15, 2023 | Award | +45,782 | – | – | 45,782 |
| Jonn R. Beeson Director | May 15, 2023 | Award | +52,049 | – | – | 52,049 |
| Mark A. Schallenberger Chief Operations Officer | Feb 15, 2023 | Award | +89,000 | – | – | 89,000 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.