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NASDAQ · TECHNOLOGY · Holders

MACOM Technology Solutions Holdings Inc (MTSI) Institutional Ownership & Insider Trading History

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

Source timingDetails

Data freshness

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.

PriceLive
Last traded
Source: Market data provider
Fundamentalsevery 1 day
Provider checked
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Analystevery 1 day
Provider checked
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Newsevery 4 hr
Latest item
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Ownership read

MTSI insider sentiment: Net selling.

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

Purchases
Sales1.21M

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

Holder rows
120
Market data source
Latest filing
May 29, 2026
Most recent holder or insider filing date
Increased / initiated
58
60 decreased in loaded rows
Insider rows
120
Market data source

Top 120 institutional holders

MACOM Technology Solutions Holdings Inc (MTSI) institutional ownership

Ranked by reported share count, with position changes and latest filing dates where ownership data supplies them.

FMR LLC

Rank #1

13.9%

Shares
10.61M
Change
+4.13M
Change %
+63.73%
Filing
Mar 31, 2026

Increased

BLACKROCK

Rank #2

11.3%

Shares
8.57M
Change
+1.04M
Change %
+13.84%
Filing
Mar 31, 2026

Increased

VANGUARD GROUP INC

Rank #3

9.49%

Shares
7.23M
Change
+157.34K
Change %
+2.23%
Filing
Dec 31, 2025

Increased

T. ROWE PRICE INVESTMENT MANAGEMENT

Rank #4

5.89%

Shares
4.49M
Change
-913.95K
Change %
-16.93%
Filing
Mar 31, 2026

Decreased

INVESCO LTD.

Rank #5

4.83%

Shares
3.67M
Change
+249.25K
Change %
+7.28%
Filing
Mar 31, 2026

Increased

VANGUARD PORTFOLIO MANAGEMENT LLC

Rank #6

4.71%

Shares
3.59M
Change
+3.59M
Change %
Filing
Mar 31, 2026

Initiated

VANGUARD CAPITAL MANAGEMENT LLC

Rank #7

3.93%

Shares
2.99M
Change
+2.99M
Change %
Filing
Mar 31, 2026

Initiated

STATE STREET CORP

Rank #8

2.83%

Shares
2.15M
Change
+34.08K
Change %
+1.61%
Filing
Mar 31, 2026

Increased

JPMORGAN CHASE & CO

Rank #9

2.65%

Shares
2.02M
Change
+909.29K
Change %
+82.19%
Filing
Mar 31, 2026

Increased

WELLINGTON MANAGEMENT GROUP LLP

Rank #10

2.03%

Shares
1.55M
Change
+532.47K
Change %
+52.43%
Filing
Mar 31, 2026

Increased

GEODE CAPITAL MANAGEMENT

Rank #11

1.79%

Shares
1.36M
Change
+92.43K
Change %
+7.29%
Filing
Mar 31, 2026

Increased

CAPITAL RESEARCH GLOBAL INVESTORS

Rank #12

1.61%

Shares
1.22M
Change
-114.04K
Change %
-8.53%
Filing
Mar 31, 2026

Decreased

WHALE ROCK CAPITAL MANAGEMENT LLC

Rank #13

1.54%

Shares
1.17M
Change
+391.69K
Change %
+50.00%
Filing
Mar 31, 2026

Increased

ARTISAN PARTNERS LIMITED PARTNERSHIP

Rank #14

1.38%

Shares
1.05M
Change
-199.56K
Change %
-16.01%
Filing
Mar 31, 2026

Decreased

POLAR CAPITAL HOLDINGS PLC

Rank #15

1.22%

Shares
930.78K
Change
+930.78K
Change %
Filing
Mar 31, 2026

Initiated

PRICE T ROWE ASSOCIATES INC

Rank #16

1.20%

Shares
914.85K
Change
-1.02M
Change %
-52.71%
Filing
Mar 31, 2026

Decreased

GW&K INVESTMENT MANAGEMENT

Rank #17

1.10%

Shares
839.06K
Change
-378.87K
Change %
-31.11%
Filing
Mar 31, 2026

Decreased

MASSACHUSETTS FINANCIAL SERVICES CO

Rank #18

1.09%

Shares
828.45K
Change
+360.65K
Change %
+77.10%
Filing
Mar 31, 2026

Increased

UBS GROUP AG

Rank #19

1.06%

Shares
809.41K
Change
-100.39K
Change %
-11.03%
Filing
Mar 31, 2026

Decreased

ALLIANCEBERNSTEIN L.P.

Rank #20

1.04%

Shares
789.04K
Change
-274.33K
Change %
-25.80%
Filing
Mar 31, 2026

Decreased

NEUBERGER BERMAN GROUP LLC

Rank #21

1.04%

Shares
788.82K
Change
+123.40K
Change %
+18.54%
Filing
Mar 31, 2026

Increased

JANUS HENDERSON GROUP PLC

Rank #22

1.03%

Shares
784.12K
Change
+105.03K
Change %
+15.47%
Filing
Mar 31, 2026

Increased

BARCLAYS PLC

Rank #23

0.97%

Shares
734.57K
Change
+160.12K
Change %
+27.87%
Filing
Mar 31, 2026

Increased

CHARLES SCHWAB INVESTMENT MANAGEMENT INC

Rank #24

0.87%

Shares
660.86K
Change
+19.49K
Change %
+3.04%
Filing
Mar 31, 2026

Increased

NOMURA INVESTMENT MANAGEMENT BUSINESS TRUST

Rank #25

0.83%

Shares
635.06K
Change
-110.73K
Change %
-14.85%
Filing
Mar 31, 2026

Decreased

CITADEL ADVISORS LLC

Rank #26

0.78%

Shares
590.57K
Change
+457.45K
Change %
+3.44%
Filing
Mar 31, 2026

Increased

RAYMOND JAMES FINANCIAL INC

Rank #27

0.78%

Shares
590.34K
Change
-12.11K
Change %
-2.01%
Filing
Mar 31, 2026

Decreased

NORGES BANK

Rank #28

0.75%

Shares
568.64K
Change
-226.50K
Change %
-28.49%
Filing
Dec 31, 2025

Decreased

MORGAN STANLEY

Rank #29

0.73%

Shares
555.16K
Change
-203.01K
Change %
-26.78%
Filing
Mar 31, 2026

Decreased

BESSEMER GROUP INC

Rank #30

0.70%

Shares
533.26K
Change
-35.78K
Change %
-6.29%
Filing
Mar 31, 2026

Decreased

NORTHERN TRUST CORP

Rank #31

0.70%

Shares
532.68K
Change
+22.91K
Change %
+4.50%
Filing
Mar 31, 2026

Increased

DIMENSIONAL FUND ADVISORS LP

Rank #32

0.70%

Shares
529.14K
Change
-417.99K
Change %
-44.13%
Filing
Mar 31, 2026

Decreased

STEPHENS INVESTMENT MANAGEMENT GROUP LLC

Rank #33

0.68%

Shares
515.82K
Change
-25.24K
Change %
-4.67%
Filing
Mar 31, 2026

Decreased

FRANKLIN RESOURCES INC

Rank #34

0.66%

Shares
501.97K
Change
+486.58K
Change %
+31.61%
Filing
Mar 31, 2026

Increased

BANK OF AMERICA CORP

Rank #35

0.63%

Shares
480.69K
Change
-175.77K
Change %
-26.77%
Filing
Mar 31, 2026

Decreased

RAFFERTY ASSET MANAGEMENT

Rank #36

0.61%

Shares
467.59K
Change
-112.59K
Change %
-19.41%
Filing
Mar 31, 2026

Decreased

ANALOG CENTURY MANAGEMENT LP

Rank #37

0.57%

Shares
436.35K
Change
-169.82K
Change %
-28.02%
Filing
Mar 31, 2026

Decreased

GOLDMAN SACHS GROUP INC

Rank #38

0.57%

Shares
430.80K
Change
-99.56K
Change %
-18.77%
Filing
Mar 31, 2026

Decreased

CITIGROUP INC

Rank #39

0.56%

Shares
423.87K
Change
+132.17K
Change %
+45.31%
Filing
Mar 31, 2026

Increased

VANGUARD FIDUCIARY TRUST CO

Rank #40

0.53%

Shares
405.53K
Change
+405.53K
Change %
Filing
Mar 31, 2026

Initiated

Showing 40 of 120 matching institutional rows.Load more institutions

Recent insider transactions

MACOM Technology Solutions Holdings Inc (MTSI) Form 4 filings

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

Sale to issuer
Shares
2.43K
% company
<0.01%
Price
$362.94
Value
$881,581

Filed May 29, 2026

DALY, STEPHEN G

Director, President and CEO

Sale to issuer
Shares
400
% company
<0.01%
Price
$391.07
Value
$156,428

Filed May 29, 2026

DALY, STEPHEN G

Director, President and CEO

Sale to issuer
Shares
904
% company
<0.01%
Price
$362.02
Value
$327,266

Filed May 29, 2026

DALY, STEPHEN G

Director, President and CEO

Sale to issuer
Shares
2.08K
% company
<0.01%
Price
$363.87
Value
$755,030

Filed May 29, 2026

DALY, STEPHEN G

Director, President and CEO

Sale to issuer
Shares
149
% company
<0.01%
Price
$389.40
Value
$58,021

Filed May 29, 2026

DALY, STEPHEN G

Director, President and CEO

Sale to issuer
Shares
1.50K
% company
<0.01%
Price
$358.44
Value
$537,660

Filed May 29, 2026

DALY, STEPHEN G

Director, President and CEO

Sale to issuer
Shares
551
% company
<0.01%
Price
$388.38
Value
$213,997

Filed May 29, 2026

DALY, STEPHEN G

Director, President and CEO

Sale to issuer
Shares
100
% company
<0.01%
Price
$386.46
Value
$38,646

Filed May 29, 2026

DALY, STEPHEN G

Director, President and CEO

Sale to issuer
Shares
100
% company
<0.01%
Price
$382.60
Value
$38,260

Filed May 29, 2026

DALY, STEPHEN G

Director, President and CEO

Sale to issuer
Shares
100
% company
<0.01%
Price
$380.98
Value
$38,098

Filed May 29, 2026

DALY, STEPHEN G

Director, President and CEO

Sale to issuer
Shares
400
% company
<0.01%
Price
$378.86
Value
$151,544

Filed May 29, 2026

DALY, STEPHEN G

Director, President and CEO

Sale to issuer
Shares
200
% company
<0.01%
Price
$375.10
Value
$75,020

Filed May 29, 2026

Showing 12 of 120 matching Form 4 rows. Percent of company uses current shares outstanding when available.Load more insiders

Frequently asked

Common questions.

Who are the largest MTSI shareholders?

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.

What is institutional ownership of MTSI?

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.

Where can I see MACOM Technology Solutions Holdings Inc insider transactions?

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.

Are MTSI insiders buying or selling?

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.

Who is the most active MTSI insider in the loaded filings?

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.