Security record · archived quarter
MTSI
MACOM Technology Solutions Holdings, Inc. · Technology · Semiconductors
132Tracked holders
+1Δ holders
54.33MShares held
$9.31BReported value
+3New positions
−1Exits
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2025
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 146 | +14 | 56.07M | $20.98B | +18 | −3 |
| Q1 2026 | 134 | +2 | 57.04M | $11.94B | +10 | −9 |
| Q4 2025 | 132 | +1 | 54.33M | $9.31B | +3 | −1 |
| Q3 2025 | 19 | +2 | 31.80M | $3.96B | +2 | −1 |
| Q2 2025 | 15 | 0 | 28.73M | $4.12B | +1 | −1 |
| Q1 2025 | 12 | -1 | 12.26M | $1.23B | +1 | −2 |
| Q4 2024 | 13 | +4 | 11.70M | $1.52B | +4 | — |
| Q3 2024 | 8 | -1 | 8.78M | $977.09M | — | −1 |
| Q2 2024 | 9 | — | 7.14M | $796.33M | — | — |
Who holds it · Q4 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 7.52M | +6.7% | $1.29B | 0.0% | ▲ Add | 3 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 7.52M | +6.7% | $1.29B | 0.0% | ▲ Add | 3 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 7.52M | +6.7% | $1.29B | 0.0% | ▲ Add | 3 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 7.52M | +6.7% | $1.29B | 0.0% | ▲ Add | 3 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 7.52M | +6.7% | $1.29B | 0.0% | ▲ Add | 3 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 7.52M | +6.7% | $1.29B | 0.0% | ▲ Add | 3 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 7.52M | +6.7% | $1.29B | 0.0% | ▲ Add | 3 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 7.52M | +6.7% | $1.29B | 0.0% | ▲ Add | 3 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 7.52M | +6.7% | $1.29B | 0.0% | ▲ Add | 3 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 7.52M | +6.7% | $1.29B | 0.0% | ▲ Add | 3 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 7.52M | +6.7% | $1.29B | 0.0% | ▲ Add | 3 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 7.52M | +6.7% | $1.29B | 0.0% | ▲ Add | 3 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 7.52M | +6.7% | $1.29B | 0.0% | ▲ Add | 3 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 7.52M | +6.7% | $1.29B | 0.0% | ▲ Add | 3 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 7.52M | +6.7% | $1.29B | 0.0% | ▲ Add | 3 | SEC ↗ |
| 16 | BlackRock ✦ (passive) | 7.52M | +6.7% | $1.29B | 0.0% | ▲ Add | 3 | SEC ↗ |
| 17 | The Vanguard Group ✦ (passive) | 7.23M | +2.2% | $1.24B | 0.0% | ▲ Add | 3 | SEC ↗ |
| 18 | The Vanguard Group ✦ (passive) | 7.23M | +2.2% | $1.24B | 0.0% | ▲ Add | 3 | SEC ↗ |
| 19 | The Vanguard Group ✦ (passive) | 7.23M | +2.2% | $1.24B | 0.0% | ▲ Add | 3 | SEC ↗ |
| 20 | The Vanguard Group ✦ (passive) | 7.23M | +2.2% | $1.24B | 0.0% | ▲ Add | 3 | SEC ↗ |
| 21 | The Vanguard Group ✦ (passive) | 7.23M | +2.2% | $1.24B | 0.0% | ▲ Add | 3 | SEC ↗ |
| 22 | Fidelity (FMR) ✦ | 6.48M | +17.3% | $1.11B | 0.1% | ▲ Add | 3 | SEC ↗ |
| 23 | Fidelity (FMR) ✦ | 6.48M | +17.3% | $1.11B | 0.1% | ▲ Add | 3 | SEC ↗ |
| 24 | Fidelity (FMR) ✦ | 6.48M | +17.3% | $1.11B | 0.1% | ▲ Add | 3 | SEC ↗ |
| 25 | Fidelity (FMR) ✦ | 6.48M | +17.3% | $1.11B | 0.1% | ▲ Add | 3 | SEC ↗ |
| 26 | Fidelity (FMR) ✦ | 6.48M | +17.3% | $1.11B | 0.1% | ▲ Add | 3 | SEC ↗ |
| 27 | Fidelity (FMR) ✦ | 6.48M | +17.3% | $1.11B | 0.1% | ▲ Add | 3 | SEC ↗ |
| 28 | Fidelity (FMR) ✦ | 6.48M | +17.3% | $1.11B | 0.1% | ▲ Add | 3 | SEC ↗ |
| 29 | Fidelity (FMR) ✦ | 6.48M | +17.3% | $1.11B | 0.1% | ▲ Add | 3 | SEC ↗ |
| 30 | Invesco Ltd. | 3.42M | — | $586.56M | 0.1% | n/c | 1 | SEC ↗ |
| 31 | Invesco Ltd. | 3.42M | — | $586.56M | 0.1% | n/c | 1 | SEC ↗ |
| 32 | Invesco Ltd. | 3.42M | — | $586.56M | 0.1% | n/c | 1 | SEC ↗ |
| 33 | Invesco Ltd. | 3.42M | — | $586.56M | 0.1% | n/c | 1 | SEC ↗ |
| 34 | Invesco Ltd. | 3.42M | — | $586.56M | 0.1% | n/c | 1 | SEC ↗ |
| 35 | Invesco Ltd. | 3.42M | — | $586.56M | 0.1% | n/c | 1 | SEC ↗ |
| 36 | Invesco Ltd. | 3.42M | — | $586.56M | 0.1% | n/c | 1 | SEC ↗ |
| 37 | Invesco Ltd. | 3.42M | — | $586.56M | 0.1% | n/c | 1 | SEC ↗ |
| 38 | Invesco Ltd. | 3.42M | — | $586.56M | 0.1% | n/c | 1 | SEC ↗ |
| 39 | Invesco Ltd. | 3.42M | — | $586.56M | 0.1% | n/c | 1 | SEC ↗ |
| 40 | Invesco Ltd. | 3.42M | — | $586.56M | 0.1% | n/c | 1 | SEC ↗ |
| 41 | Invesco Ltd. | 3.42M | — | $586.56M | 0.1% | n/c | 1 | SEC ↗ |
| 42 | Invesco Ltd. | 3.42M | — | $586.56M | 0.1% | n/c | 1 | SEC ↗ |
| 43 | State Street Global Advisors ✦ (passive) | 2.12M | -2.2% | $362.89M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 44 | T. Rowe Price ✦ | 1.93M | +7.6% | $331.37M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 45 | T. Rowe Price ✦ | 1.93M | +7.6% | $331.37M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 46 | Capital Research Global Investors | 1.34M | — | $228.95M | 0.0% | n/c | 1 | SEC ↗ |
| 47 | Geode Capital Management ✦ (passive) | 1.27M | +3.0% | $217.07M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 48 | Geode Capital Management ✦ (passive) | 1.27M | +3.0% | $217.07M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 49 | Artisan Partners Limited Partnership | 1.25M | — | $213.54M | 0.3% | n/c | 1 | SEC ↗ |
| 50 | JPMorgan Chase ✦ | 1.11M | -57.4% | $189.49M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 51 | JPMorgan Chase ✦ | 1.11M | -57.4% | $189.49M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 52 | JPMorgan Chase ✦ | 1.11M | -57.4% | $189.49M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 53 | JPMorgan Chase ✦ | 1.11M | -57.4% | $189.49M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 54 | JPMorgan Chase ✦ | 1.11M | -57.4% | $189.49M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 55 | JPMorgan Chase ✦ | 1.11M | -57.4% | $189.49M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 56 | JPMorgan Chase ✦ | 1.11M | -57.4% | $189.49M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 57 | JPMorgan Chase ✦ | 1.11M | -57.4% | $189.49M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 58 | JPMorgan Chase ✦ | 1.11M | -57.4% | $189.49M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 59 | JPMorgan Chase ✦ | 1.11M | -57.4% | $189.49M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 60 | JPMorgan Chase ✦ | 1.11M | -57.4% | $189.49M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 61 | Alliancebernstein L.P. | 1.06M | — | $182.13M | 0.1% | n/c | 1 | SEC ↗ |
| 62 | Wellington Management ✦ | 1.02M | +3.0% | $173.95M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 63 | Wellington Management ✦ | 1.02M | +3.0% | $173.95M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 64 | Wellington Management ✦ | 1.02M | +3.0% | $173.95M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 65 | Dimensional Fund Advisors Lp | 947.13K | — | $162.24M | 0.0% | n/c | 1 | SEC ↗ |
| 66 | Dimensional Fund Advisors Lp | 947.13K | — | $162.24M | 0.0% | n/c | 1 | SEC ↗ |
| 67 | Dimensional Fund Advisors Lp | 947.13K | — | $162.24M | 0.0% | n/c | 1 | SEC ↗ |
| 68 | Dimensional Fund Advisors Lp | 947.13K | — | $162.24M | 0.0% | n/c | 1 | SEC ↗ |
| 69 | Dimensional Fund Advisors Lp | 947.13K | — | $162.24M | 0.0% | n/c | 1 | SEC ↗ |
| 70 | UBS Group AG | 909.80K | — | $155.83M | 0.0% | n/c | 1 | SEC ↗ |
| 71 | UBS Group AG | 909.80K | — | $155.83M | 0.0% | n/c | 1 | SEC ↗ |
| 72 | UBS Group AG | 909.80K | — | $155.83M | 0.0% | n/c | 1 | SEC ↗ |
| 73 | Morgan Stanley ✦ | 758.16K | -2.4% | $129.86M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 74 | Morgan Stanley ✦ | 758.16K | -2.4% | $129.86M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 75 | Morgan Stanley ✦ | 758.16K | -2.4% | $129.86M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 76 | Morgan Stanley ✦ | 758.16K | -2.4% | $129.86M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 77 | Morgan Stanley ✦ | 758.16K | -2.4% | $129.86M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 78 | Morgan Stanley ✦ | 758.16K | -2.4% | $129.86M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 79 | Morgan Stanley ✦ | 758.16K | -2.4% | $129.86M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 80 | Morgan Stanley ✦ | 758.16K | -2.4% | $129.86M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 81 | Morgan Stanley ✦ | 758.16K | -2.4% | $129.86M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 82 | Morgan Stanley ✦ | 758.16K | -2.4% | $129.86M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 83 | Morgan Stanley ✦ | 758.16K | -2.4% | $129.86M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 84 | Morgan Stanley ✦ | 758.16K | -2.4% | $129.86M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 85 | Morgan Stanley ✦ | 758.16K | -2.4% | $129.86M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 86 | Nomura Asset Management… | 745.79K | — | $127.74M | 0.2% | n/c | 1 | SEC ↗ |
| 87 | Janus Henderson Group Plc | 679.09K | — | $116.32M | 0.1% | n/c | 1 | SEC ↗ |
| 88 | Janus Henderson Group Plc | 679.09K | — | $116.32M | 0.1% | n/c | 1 | SEC ↗ |
| 89 | Janus Henderson Group Plc | 679.09K | — | $116.32M | 0.1% | n/c | 1 | SEC ↗ |
| 90 | Neuberger Berman Group LLC | 665.42K | — | $114.05M | 0.1% | n/c | 1 | SEC ↗ |
| 91 | Neuberger Berman Group LLC | 665.42K | — | $114.05M | 0.1% | n/c | 1 | SEC ↗ |
| 92 | Bank Of America Corp /De/ | 656.45K | — | $112.44M | 0.0% | n/c | 1 | SEC ↗ |
| 93 | Bank Of America Corp /De/ | 656.45K | — | $112.44M | 0.0% | n/c | 1 | SEC ↗ |
| 94 | Bank Of America Corp /De/ | 656.45K | — | $112.44M | 0.0% | n/c | 1 | SEC ↗ |
| 95 | Bank Of America Corp /De/ | 656.45K | — | $112.44M | 0.0% | n/c | 1 | SEC ↗ |
| 96 | Bank Of America Corp /De/ | 656.45K | — | $112.44M | 0.0% | n/c | 1 | SEC ↗ |
| 97 | Bank Of America Corp /De/ | 656.45K | — | $112.44M | 0.0% | n/c | 1 | SEC ↗ |
| 98 | Bank Of America Corp /De/ | 656.45K | — | $112.44M | 0.0% | n/c | 1 | SEC ↗ |
| 99 | Bank Of America Corp /De/ | 656.45K | — | $112.44M | 0.0% | n/c | 1 | SEC ↗ |
| 100 | Bank Of America Corp /De/ | 656.45K | — | $112.44M | 0.0% | n/c | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| Renaissance Technologies | $16.33M | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 510 holders, 72.04M shares, $14.26B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Aug 17
Kober John
Officer · 1.59K sh · $509,706
Aug 17
Kober John
Officer · 400 sh · $129,588
Aug 17
Kober John
Officer · 900 sh · $292,734
Aug 17
Kober John
Officer · 500 sh · $163,255
Aug 17
Kober John
Officer · 1.70K sh · $556,898
Aug 17
Kober John
Officer · 1.60K sh · $526,048
Aug 17
Kober John
Officer · 300 sh · $98,925
Aug 17
Kober John
Officer · 400 sh · $132,268
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology
Aug 14
SC 13G/A — T. Rowe Price Investment Management…
Aug 12
SC 13G/A — OCAMPO SUSAN
Jul 08
SC 13G/A — BlackRock, Inc.
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q4 2025 ·
Methodology ·
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