FMR LLC
Rank #1
13.9%
- Shares
- 10.61M
- Change
- +4.13M
- Change %
- +63.73%
- Filing
- Mar 31, 2026
Increased
Recent
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Top MTSI institutional shareholders, filing changes, and Form 4 insider activity with filters for buys, sales, option exercises, gifts, and tax withholding.
Section freshness
Price Jun 15, 4:46 AM EDT · Statements Mar 30, 8:00 PM EDT
Prices update fastest. Fundamentals, analyst data, and news update on their own schedules, so check these timestamps before comparing signals.
Price time means the latest available trade or regular-market close. Other times show when that section was checked or published.
Ownership read
FMR LLC is the largest loaded institutional holder. 109 sale rows and 0 purchase rows are visible in the loaded Form 4 history. Use the filters below to separate real buying and selling from option exercises, gifts, awards, and tax withholding.
Insider flow
MTSI
Directional bars ignore awards, gifts, conversions, and tax withholding rows.
Top holder
10.61M
FMR LLC
Insider stance
Net selling
$250.32M sold / — bought
Latest filing
May 29, 2026
Most recent holder or insider filing date
Rows loaded
240
120 holder / 120 insider
Top 120 institutional holders
Ranked by reported share count, with position changes and latest filing dates where ownership data supplies them.
FMR LLC
Rank #1
13.9%
Increased
BLACKROCK
Rank #2
11.3%
Increased
VANGUARD GROUP INC
Rank #3
9.49%
Increased
T. ROWE PRICE INVESTMENT MANAGEMENT
Rank #4
5.89%
Decreased
INVESCO LTD.
Rank #5
4.83%
Increased
VANGUARD PORTFOLIO MANAGEMENT LLC
Rank #6
4.71%
Initiated
VANGUARD CAPITAL MANAGEMENT LLC
Rank #7
3.93%
Initiated
STATE STREET CORP
Rank #8
2.83%
Increased
JPMORGAN CHASE & CO
Rank #9
2.65%
Increased
WELLINGTON MANAGEMENT GROUP LLP
Rank #10
2.03%
Increased
GEODE CAPITAL MANAGEMENT
Rank #11
1.79%
Increased
CAPITAL RESEARCH GLOBAL INVESTORS
Rank #12
1.61%
Decreased
WHALE ROCK CAPITAL MANAGEMENT LLC
Rank #13
1.54%
Increased
ARTISAN PARTNERS LIMITED PARTNERSHIP
Rank #14
1.38%
Decreased
POLAR CAPITAL HOLDINGS PLC
Rank #15
1.22%
Initiated
PRICE T ROWE ASSOCIATES INC
Rank #16
1.20%
Decreased
GW&K INVESTMENT MANAGEMENT
Rank #17
1.10%
Decreased
MASSACHUSETTS FINANCIAL SERVICES CO
Rank #18
1.09%
Increased
UBS GROUP AG
Rank #19
1.06%
Decreased
ALLIANCEBERNSTEIN L.P.
Rank #20
1.04%
Decreased
NEUBERGER BERMAN GROUP LLC
Rank #21
1.04%
Increased
JANUS HENDERSON GROUP PLC
Rank #22
1.03%
Increased
BARCLAYS PLC
Rank #23
0.97%
Increased
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
Rank #24
0.87%
Increased
NOMURA INVESTMENT MANAGEMENT BUSINESS TRUST
Rank #25
0.83%
Decreased
CITADEL ADVISORS LLC
Rank #26
0.78%
Increased
RAYMOND JAMES FINANCIAL INC
Rank #27
0.78%
Decreased
NORGES BANK
Rank #28
0.75%
Decreased
MORGAN STANLEY
Rank #29
0.73%
Decreased
BESSEMER GROUP INC
Rank #30
0.70%
Decreased
NORTHERN TRUST CORP
Rank #31
0.70%
Increased
DIMENSIONAL FUND ADVISORS LP
Rank #32
0.70%
Decreased
STEPHENS INVESTMENT MANAGEMENT GROUP LLC
Rank #33
0.68%
Decreased
FRANKLIN RESOURCES INC
Rank #34
0.66%
Increased
BANK OF AMERICA CORP
Rank #35
0.63%
Decreased
RAFFERTY ASSET MANAGEMENT
Rank #36
0.61%
Decreased
ANALOG CENTURY MANAGEMENT LP
Rank #37
0.57%
Decreased
GOLDMAN SACHS GROUP INC
Rank #38
0.57%
Decreased
CITIGROUP INC
Rank #39
0.56%
Increased
VANGUARD FIDUCIARY TRUST CO
Rank #40
0.53%
Initiated
| # | Institution | % held | Shares | Change | Change % | Filing date |
|---|---|---|---|---|---|---|
| 1 | 13.9% | 10.61M | +4.13M Increased | +63.73% | Mar 31, 2026 | |
| 2 | 11.3% | 8.57M | +1.04M Increased | +13.84% | Mar 31, 2026 | |
| 3 | 9.49% | 7.23M | +157.34K Increased | +2.23% | Dec 31, 2025 | |
| 4 | 5.89% | 4.49M | -913.95K Decreased | -16.93% | Mar 31, 2026 | |
| 5 | 4.83% | 3.67M | +249.25K Increased | +7.28% | Mar 31, 2026 | |
| 6 | 4.71% | 3.59M | +3.59M Initiated | — | Mar 31, 2026 | |
| 7 | 3.93% | 2.99M | +2.99M Initiated | — | Mar 31, 2026 | |
| 8 | 2.83% | 2.15M | +34.08K Increased | +1.61% | Mar 31, 2026 | |
| 9 | 2.65% | 2.02M | +909.29K Increased | +82.19% | Mar 31, 2026 | |
| 10 | 2.03% | 1.55M | +532.47K Increased | +52.43% | Mar 31, 2026 | |
| 11 | 1.79% | 1.36M | +92.43K Increased | +7.29% | Mar 31, 2026 | |
| 12 | 1.61% | 1.22M | -114.04K Decreased | -8.53% | Mar 31, 2026 | |
| 13 | WHALE ROCK CAPITAL MANAGEMENT LLC | 1.54% | 1.17M | +391.69K Increased | +50.00% | Mar 31, 2026 |
| 14 | ARTISAN PARTNERS LIMITED PARTNERSHIP | 1.38% | 1.05M | -199.56K Decreased | -16.01% | Mar 31, 2026 |
| 15 | POLAR CAPITAL HOLDINGS PLC | 1.22% | 930.78K | +930.78K Initiated | — | Mar 31, 2026 |
| 16 | 1.20% | 914.85K | -1.02M Decreased | -52.71% | Mar 31, 2026 | |
| 17 | GW&K INVESTMENT MANAGEMENT | 1.10% | 839.06K | -378.87K Decreased | -31.11% | Mar 31, 2026 |
| 18 | MASSACHUSETTS FINANCIAL SERVICES CO | 1.09% | 828.45K | +360.65K Increased | +77.10% | Mar 31, 2026 |
| 19 | 1.06% | 809.41K | -100.39K Decreased | -11.03% | Mar 31, 2026 | |
| 20 | 1.04% | 789.04K | -274.33K Decreased | -25.80% | Mar 31, 2026 | |
| 21 | NEUBERGER BERMAN GROUP LLC | 1.04% | 788.82K | +123.40K Increased | +18.54% | Mar 31, 2026 |
| 22 | JANUS HENDERSON GROUP PLC | 1.03% | 784.12K | +105.03K Increased | +15.47% | Mar 31, 2026 |
| 23 | BARCLAYS PLC | 0.97% | 734.57K | +160.12K Increased | +27.87% | Mar 31, 2026 |
| 24 | 0.87% | 660.86K | +19.49K Increased | +3.04% | Mar 31, 2026 | |
| 25 | NOMURA INVESTMENT MANAGEMENT BUSINESS TRUST | 0.83% | 635.06K | -110.73K Decreased | -14.85% | Mar 31, 2026 |
| 26 | CITADEL ADVISORS LLC | 0.78% | 590.57K | +457.45K Increased | +3.44% | Mar 31, 2026 |
| 27 | RAYMOND JAMES FINANCIAL INC | 0.78% | 590.34K | -12.11K Decreased | -2.01% | Mar 31, 2026 |
| 28 | 0.75% | 568.64K | -226.50K Decreased | -28.49% | Dec 31, 2025 | |
| 29 | 0.73% | 555.16K | -203.01K Decreased | -26.78% | Mar 31, 2026 | |
| 30 | BESSEMER GROUP INC | 0.70% | 533.26K | -35.78K Decreased | -6.29% | Mar 31, 2026 |
| 31 | 0.70% | 532.68K | +22.91K Increased | +4.50% | Mar 31, 2026 | |
| 32 | 0.70% | 529.14K | -417.99K Decreased | -44.13% | Mar 31, 2026 | |
| 33 | STEPHENS INVESTMENT MANAGEMENT GROUP LLC | 0.68% | 515.82K | -25.24K Decreased | -4.67% | Mar 31, 2026 |
| 34 | 0.66% | 501.97K | +486.58K Increased | +31.61% | Mar 31, 2026 | |
| 35 | 0.63% | 480.69K | -175.77K Decreased | -26.77% | Mar 31, 2026 | |
| 36 | RAFFERTY ASSET MANAGEMENT | 0.61% | 467.59K | -112.59K Decreased | -19.41% | Mar 31, 2026 |
| 37 | ANALOG CENTURY MANAGEMENT LP | 0.57% | 436.35K | -169.82K Decreased | -28.02% | Mar 31, 2026 |
| 38 | 0.57% | 430.80K | -99.56K Decreased | -18.77% | Mar 31, 2026 | |
| 39 | CITIGROUP INC | 0.56% | 423.87K | +132.17K Increased | +45.31% | Mar 31, 2026 |
| 40 | 0.53% | 405.53K | +405.53K Initiated | — | Mar 31, 2026 |
Recent insider transactions
Action codes are translated so open-market buys and sales are separate from awards, gifts, conversions, and tax withholding.
DALY, STEPHEN G
Director, President and CEO
Filed May 29, 2026
DALY, STEPHEN G
Director, President and CEO
Filed May 29, 2026
DALY, STEPHEN G
Director, President and CEO
Filed May 29, 2026
DALY, STEPHEN G
Director, President and CEO
Filed May 29, 2026
DALY, STEPHEN G
Director, President and CEO
Filed May 29, 2026
DALY, STEPHEN G
Director, President and CEO
Filed May 29, 2026
DALY, STEPHEN G
Director, President and CEO
Filed May 29, 2026
DALY, STEPHEN G
Director, President and CEO
Filed May 29, 2026
DALY, STEPHEN G
Director, President and CEO
Filed May 29, 2026
DALY, STEPHEN G
Director, President and CEO
Filed May 29, 2026
DALY, STEPHEN G
Director, President and CEO
Filed May 29, 2026
DALY, STEPHEN G
Director, President and CEO
Filed May 29, 2026
| # | Insider | % company | Action | Shares | Price | Value | Filing date |
|---|---|---|---|---|---|---|---|
| 1 | DALY, STEPHEN G Director, President and CEO | <0.01% | Sale to issuer | 2.43K | $362.94 | $881,581 | May 29, 2026 |
| 2 | DALY, STEPHEN G Director, President and CEO | <0.01% | Sale to issuer | 400 | $391.07 | $156,428 | May 29, 2026 |
| 3 | DALY, STEPHEN G Director, President and CEO | <0.01% | Sale to issuer | 904 | $362.02 | $327,266 | May 29, 2026 |
| 4 | DALY, STEPHEN G Director, President and CEO | <0.01% | Sale to issuer | 2.08K | $363.87 | $755,030 | May 29, 2026 |
| 5 | DALY, STEPHEN G Director, President and CEO | <0.01% | Sale to issuer | 149 | $389.40 | $58,021 | May 29, 2026 |
| 6 | DALY, STEPHEN G Director, President and CEO | <0.01% | Sale to issuer | 1.50K | $358.44 | $537,660 | May 29, 2026 |
| 7 | DALY, STEPHEN G Director, President and CEO | <0.01% | Sale to issuer | 551 | $388.38 | $213,997 | May 29, 2026 |
| 8 | DALY, STEPHEN G Director, President and CEO | <0.01% | Sale to issuer | 100 | $386.46 | $38,646 | May 29, 2026 |
| 9 | DALY, STEPHEN G Director, President and CEO | <0.01% | Sale to issuer | 100 | $382.60 | $38,260 | May 29, 2026 |
| 10 | DALY, STEPHEN G Director, President and CEO | <0.01% | Sale to issuer | 100 | $380.98 | $38,098 | May 29, 2026 |
| 11 | DALY, STEPHEN G Director, President and CEO | <0.01% | Sale to issuer | 400 | $378.86 | $151,544 | May 29, 2026 |
| 12 | DALY, STEPHEN G Director, President and CEO | <0.01% | Sale to issuer | 200 | $375.10 | $75,020 | May 29, 2026 |
Frequently asked
FMR LLC is the largest institutional holder in the loaded MTSI ownership dataset, with 10.61 million shares, or about 13.94% of shares outstanding. The table ranks additional institutions by reported share count.
The current TECHi snapshot has 120 loaded institutional rows for MACOM Technology Solutions Holdings Inc. 58 rows are marked increased or initiated, while 60 rows are marked decreased, with the latest holder filing dated Mar 31, 2026.
The insider transaction table currently shows 120 loaded Form 4 rows for MTSI, with the latest insider filing dated May 29, 2026. It separates purchases, sales, option exercises, awards, gifts, and tax withholding so administrative transactions are not confused with open-market trades.
The loaded MTSI Form 4 rows currently read Net selling: 109 sale rows and 0 purchase rows. Awards, gifts, conversions, and tax withholding are shown separately because they do not carry the same signal as open-market buying or selling.
OCAMPO, SUSAN is the most active insider by absolute share movement in the loaded MTSI rows, with 1.09 million shares moving across the visible filing history. Review the action labels before treating that activity as buying or selling.