Harmonic
Virtualized broadband software and access hardware for cable and fiber operators.
$12.02
After-hours close+0.01 (+0.07%)
At close$12.01(−2.20%)
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Breakdown13F · Form 4
Institutions 88.55%96.08M sharesInsiders 1.44%1.56M sharesOther 10.01%10.86M shares
Shares outstanding 108.50M · Float 106.50M · 98.2% free float
Institutions13F, as of Jun 30, 2026
264 holders · 96.08M shares · 56 new positions · 134 increased · 102 reduced · 46 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 18.00M | 16.59% | −1.16M | Aug 7, 2026 |
| Vanguard Portfolio Management LLC | 5.39M | 4.97% | −745.1K | Aug 13, 2026 |
| State Street Corp | 5.15M | 4.74% | +286.8K | Aug 7, 2026 |
| Price T Rowe Associates Inc /MD/ | 4.79M | 4.42% | +4.67M | Aug 14, 2026 |
| Vanguard Capital Management LLC | 4.77M | 4.40% | +70.3K | Aug 13, 2026 |
| Arrowstreet Capital, Limited Partnership | 3.29M | 3.03% | +1.10M | Aug 13, 2026 |
| American Century Companies Inc | 3.22M | 2.96% | +2.00M | Aug 12, 2026 |
| Dimensional Fund Advisors LP | 2.92M | 2.69% | −754.6K | Aug 11, 2026 |
Beneficial owners13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| Vanguard Portfolio Management | 5.64% | 6.23M | 13G | Apr 29, 2026 ↗ |
| Vanguard Capital Management | 5.00% | 5.52M | 13G | Apr 30, 2026 ↗ |
InsidersForm 4
| Insider | Role | Shares | % outstanding | Filed |
|---|---|---|---|---|
| Nimrod Ben-Natan | director, officer: President and CEO | 727.9K | 0.67% | Aug 18, 2026 |
| David Krall | director | 239.3K | 0.22% | Feb 18, 2026 |
| Walter Jankovic | officer: Chief Financial Officer | 166.1K | 0.15% | Aug 18, 2026 |
| Neven Haltmayer | officer: SVP & GM, Video Business | 161.4K | 0.15% | Jun 22, 2026 |
| Timothy C. Chu | officer: General Counsel & SVP, HR | 148.9K | 0.14% | Aug 18, 2026 |
| Ronald J. Glahn | officer: SVP, Global Sales, Broadband | 44.5K | 0.04% | Aug 18, 2026 |
| Daniel T. Whalen | director | 30.0K | 0.03% | Feb 18, 2026 |
| Dana L. Crandall | director | 25.1K | 0.02% | Feb 18, 2026 |
| Stephanie Copeland | director | 20.8K | 0.02% | May 18, 2026 |
27 people have not refiled in the last 18 months (4.71M shares), so they are not in the figure above
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| May 14, 2026 | Stephanie Copelanddirector | Sale | 4,300 | $13.31 | 20,752 |
| May 13, 2026 | Neven Haltmayerofficer: SVP & GM, Video Business | Sale | 31,766 | $13.24 | 133,924 |
| Dec 15, 2025 | Neven Haltmayerofficer: SVP & GM, Video Business | Sale · 2 lots | 23,835 | $10.41 | 149,570 |
| Dec 12, 2025 | Neven Haltmayerofficer: SVP & GM, Video Business | Sale | 6,165 | $10.61 | 173,405 |
| Dec 11, 2025 | David Kralldirector | Purchase | 47,528 | $10.50 | 223,125 |
CongressHouse and Senate disclosures
Not reported.