Ranked by reported Q2 2026 13F market value
Share of total reported institutional value in MTSI held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | FMR LLC | 10.5M | $4.00B | -0.8% | 13.798% | 0.17% |
| 2 | BlackRock, Inc. | 9.5M | $3.62B | +11.1% | 12.468% | 0.05% |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | 3.6M | $1.37B | +0.5% | 4.726% | 0.06% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 3.1M | $1.17B | +2.4% | 4.017% | 0.02% |
| 5 | STATE STREET CORP | 2.3M | $860.5M | +5.1% | 2.965% | 0.01% |
| 6 | Invesco Ltd. | 2.1M | $817.6M | -41.5% | 2.817% | 0.06% |
| 7 | JPMORGAN CHASE & CO | 2.1M | $793.0M | +5.4% | 2.785% | 0.04% |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | 1.4M | $536.3M | +3.7% | 1.848% | 0.03% |
| 9 | WELLINGTON MANAGEMENT GROUP LLP | 1.2M | $458.6M | -22.1% | 1.580% | 0.08% |
| 10 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 1.2M | $443.6M | +40.8% | 1.529% | 0.14% |
| 11 | Capital Research Global Investors | 1.1M | $413.1M | -11.2% | 1.424% | 0.06% |
| 12 | NORGES BANK | 997K | $379.1M | β | 1.306% | 0.04% |
| 13 | Whale Rock Capital Management LLC | 989K | $376.1M | -15.8% | 1.296% | 3.02% |
| 14 | JANE STREET GROUP, LLC | 897K | $341.3M | +1538.6% | 1.176% | 0.03% |
| 15 | Neuberger Berman Group LLC | 827K | $314.4M | +4.8% | 1.084% | 0.10% |
| 16 | GOLDMAN SACHS GROUP INC | 812K | $309.0M | +88.6% | 1.065% | 0.03% |
| 17 | FRANKLIN RESOURCES INC | 799K | $303.9M | +59.2% | 1.047% | 0.07% |
| 18 | Qube Research & Technologies Ltd | 791K | $300.8M | β | 1.036% | 0.28% |
| 19 | Polar Capital Holdings Plc | 751K | $285.5M | -19.4% | 0.984% | 0.67% |
| 20 | Jupiter Topco LLC | 675K | $256.6M | β | 0.884% | 0.10% |
| 21 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 667K | $253.6M | +0.9% | 0.874% | 0.03% |
| 22 | BANK OF AMERICA CORP /DE/ | 651K | $247.7M | +35.5% | 0.854% | 0.02% |
| 23 | Rafferty Asset Management, LLC | 633K | $240.7M | +35.3% | 0.829% | 0.55% |
| 24 | Artisan Partners Limited Partnership | 628K | $238.8M | -40.0% | 0.823% | 0.38% |
| 25 | RAYMOND JAMES FINANCIAL INC | 628K | $238.8M | +6.3% | 0.823% | 0.06% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in MTSI β a direct measure of their conviction.
Filings activity in MTSI during Q2 2026, grouped by how each filer changed its position.
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q2 2026 | 653 | +28% | 97.10% | 0.22 pp | $25.83B | +75% |
| Q1 2026 | 512 | +12% | 97.32% | +6.54 pp | $14.73B | +39% |
| Q4 2025 | 456 | +9.4% | 90.78% | 0.57 pp | $10.58B | +40% |
| Q3 2025 | 417 | +1.0% | 91.35% | +4.55 pp | $7.55B | 10% |
| Q2 2025 | 413 | +10% | 86.80% | +2.35 pp | $8.40B | +49% |
| Q1 2025 | 375 | 0.5% | 84.45% | +1.43 pp | $5.64B | 22% |
| Q4 2024 | 377 | +16% | 83.02% | +0.40 pp | $7.20B | +20% |
| Q3 2024 | 326 | β | 82.62% | β | $5.99B | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying MTSI stock.
Based on Q2 2026 13F filings, institutional ownership of MACOM Technology Solutions Holdings, Inc. stands at 97.1%, held across 653 reporting institutions.
FMR LLC is the largest reported institutional holder of MTSI, with approximately 10,527,144 shares worth $4.00B as of Q2 2026.
Yes β 1 widely-followed marquee investor appear among the top 25 institutional holders of MTSI, including JANE STREET GROUP, LLC.
Our composite Smart Money Score for MTSI is 67 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
175 institutions opened new positions in MTSI during Q2 2026, while 39 fully exited. 412 added to existing positions and 49 trimmed.
MTSI institutional ownership fell by 0.22 percentage points quarter-over-quarter, with a net change of +141 holders.
The top 10 institutions account for 54.5% of all reported 13F value in MTSI, and the top 25 account for 71.9%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
MACOM Technology Solutions Holdings, Inc. (MTSI) Institutional Ownership