MACOM Technology Solutions
Builds RF-to-lightwave semiconductors for industrial, defense, data center, and telecommunications systems.
$262.56
After-hours close−2.80 (−1.05%)
At close$265.36(−4.25%)
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Breakdown13F · Form 4
Institutions 135.70%Insiders 0.27%
A 13F quarter can total more than the shares outstanding — sub-advisers file the same block twice, and a filer's own share count can be a quarter stale. No split is drawn from it.
Shares outstanding 76.30M · Float 68.97M · 90.4% free float
Institutions13F, as of Jun 30, 2026
682 holders · 103.54M shares · 191 new positions · 402 increased · 189 reduced · 46 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| FMR LLC | 10.53M | 13.80% | −83.3K | Aug 13, 2026 |
| BlackRock, Inc. | 9.51M | 12.47% | +946.6K | Aug 7, 2026 |
| Vanguard Portfolio Management LLC | 3.61M | 4.73% | +18.2K | Aug 13, 2026 |
| Vanguard Capital Management LLC | 3.06M | 4.02% | +71.8K | Aug 13, 2026 |
| T. Rowe Price Investment Management, Inc. | 2.85M | 3.74% | −1.64M | Aug 14, 2026 |
| State Street Corp | 2.26M | 2.97% | +109.5K | Aug 7, 2026 |
| Invesco Ltd. | 2.15M | 2.82% | −1.52M | Aug 14, 2026 |
| JPMorgan Chase & Co | 2.13M | 2.79% | +109.5K | Aug 12, 2026 |
Beneficial owners13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| FMR LLC | 14.10% | 10.62M | 13G | May 6, 2026 ↗ |
| Susan M. Ocampo | 9.10% | 6.80M | 13G | May 5, 2026 ↗ |
| BlackRock, Inc. | 9.10% | 6.74M | 13G | Oct 17, 2025 ↗ |
| T. Rowe Price Investment Management, Inc. | 6.00% | 4.49M | 13G | May 15, 2026 ↗ |
InsidersForm 4
| Insider | Role | Shares | % outstanding | Filed |
|---|---|---|---|---|
| Ocampo Susan | 10 percent owner | 3.59M | 4.70% | Feb 26, 2026 |
| Stephen G. Daly | director, officer: President and CEO | 38.4K | 0.05% | Jun 2, 2026 |
| John Kober | officer: Senior VP and CFO | 33.6K | 0.04% | Aug 19, 2026 |
| Donghyun Thomas Hwang | officer: SVP, Global Sales | 29.8K | 0.04% | Jun 29, 2026 |
| Wayne Mack Struble | officer: SVP, Advanced Semiconductor | 29.4K | 0.04% | Nov 10, 2025 |
| Charles R. Bland | director | 13.6K | 0.02% | May 20, 2026 |
| Robert Dennehy | officer: Senior VP and COO | 13.0K | 0.02% | May 20, 2026 |
| Geoffrey G. Ribar | director | 12.6K | 0.02% | May 13, 2026 |
| Ambra R. Roth | officer: SVP, GC and Secretary | 9.8K | 0.01% | Nov 21, 2025 |
| John Ritchie | director | 9.5K | 0.01% | Mar 10, 2026 |
4 ten-percent owners hold 10.75M shares by Form 4, outside the officers-and-directors figure above · 15 people have not refiled in the last 18 months (9.10M shares), so they are not in the figure above
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Aug 17, 2026 | John Koberofficer: Senior VP and CFO | Sale · 8 lots | 7,389 | $326.08 | 33,583 |
| Jun 25, 2026 | Donghyun Thomas Hwangofficer: SVP, Global Sales | Sale · 12 lots | 2,620 | $383.87 | 29,756 |
| May 29, 2026 | Stephen G. Dalydirector, officer: President and CEO | Sale · 19 lots | 15,828 | $365.75 | 38,389 |
| May 18, 2026 | Donghyun Thomas Hwangofficer: SVP, Global Sales | Sale · 11 lots | 2,595 | $360.64 | 32,376 |
| May 18, 2026 | John Koberofficer: Senior VP and CFO | Sale · 13 lots | 7,644 | $359.25 | 40,972 |
| May 14, 2026 | Peter Y. Chungdirector | Sale | 43,268 | $378.20 | 6,781 |
| May 13, 2026 | Charles R. Blanddirector | Sale | 800 | $380.00 | 14,338 |
| May 11, 2026 | Geoffrey G. Ribardirector | Sale | 1,623 | $361.84 | 12,563 |
| Apr 30, 2026 | Donghyun Thomas Hwangofficer: SVP, Global Sales | Sale · 9 lots | 3,718 | $276.74 | 34,886 |
| Feb 26, 2026 | Robert Dennehyofficer: Senior VP and COO | Sale · 9 lots | 18,398 | $245.25 | 12,864 |
CongressHouse and Senate disclosures
| Member | Type | Amount | Owner | Traded | Disclosed |
|---|---|---|---|---|---|
| Rep. Gilbert Cisneros · CA31 | Sale | $1,001 – $15,000 | May 22, 2026 | Jun 9, 2026 ↗ |