MTSI
MACOM Technology (MTSI)
NASDAQ
$268.21+$1.59 (+0.60%)
Price as of Aug 21, 2026 7:59 PM EDT
  • $20.4B
    Market Cap
  • 111.34%
    1-Year Change
  • Semiconductors
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
FMR LLC
13.80%
10.5M
-83,296 (-0.79%)
Jun 30, 2026
BLACKROCK, INC.
12.47%
9.5M
+946,616 (+9.95%)
Jun 30, 2026
VANGUARD GROUP INC
9.47%
7.2M
+157,343 (+2.18%)
Dec 31, 2025
BLACKROCK FUNDING, INC. /DE
7.12%
5.4M
+219,292 (+4.04%)
Dec 31, 2024
BLACKROCK INC.
6.53%
5.0M
-1.5M (-30.55%)
Jun 30, 2024
N/A
4.73%
3.6M
+18,243 (+0.51%)
Jun 30, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
4.73%
3.6M
+18,243 (+0.51%)
Jun 30, 2026

Current Ownership Distribution

  • Mutual Funds1.4B (54.39%)
  • Institutions1.2B (44.81%)
  • Insiders20.5M (0.80%)
  • Other0 (0.00%)

Insider Transactions

  • 0.80% (20.5M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 7
    Number of InsiderSelling (last 12 months)
  • $25.8B
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Kober John
Senior VP and CFO
Sell
Aug 17, 2026
$509,706.30
1,590
$320.57
39,382
Kober John
Senior VP and CFO
Sell
Aug 17, 2026
$129,588.00
400
$323.97
38,982
Kober John
Senior VP and CFO
Sell
Aug 17, 2026
$292,734.00
900
$325.26
38,082
Kober John
Senior VP and CFO
Sell
Aug 17, 2026
$163,255.00
500
$326.51
37,582
Kober John
Senior VP and CFO
Sell
Aug 17, 2026
$556,898.22
1,699
$327.78
35,883
Kober John
Senior VP and CFO
Sell
Aug 17, 2026
$526,048.00
1,600
$328.78
34,283
Kober John
Senior VP and CFO
Sell
Aug 17, 2026
$98,925.00
300
$329.75
33,983
Kober John
Senior VP and CFO
Sell
Aug 17, 2026
$132,268.00
400
$330.67
33,583
BLAND CHARLES R
Gift
May 19, 2026
$0.00
300
$0.00
13,638
BLAND CHARLES R
Gift
May 18, 2026
$0.00
400
$0.00
13,938
BLAND CHARLES R
Award
Mar 06, 2026
$0.00
776
$0.00
15,138
Shanmugaraj Murugesan
Award
Mar 06, 2026
$0.00
776
$0.00
6,614
Ritchie John
Award
Mar 06, 2026
$0.00
776
$0.00
9,466
Ingram Bryan
Award
Mar 06, 2026
$0.00
776
$0.00
1,747
Rosenband Jihye Whang
Award
Mar 06, 2026
$0.00
776
$0.00
7,165
RIBAR GEOFFREY G
Award
Mar 06, 2026
$0.00
776
$0.00
14,186
Dennehy Robert
Senior VP and COO
Sell
Feb 26, 2026
$233,428.40
971
$240.40
30,291
Dennehy Robert
Senior VP and COO
Sell
Feb 26, 2026
$72,510.00
300
$241.70
29,991
Dennehy Robert
Senior VP and COO
Sell
Feb 26, 2026
$777,472.00
3,200
$242.96
26,791
Dennehy Robert
Senior VP and COO
Sell
Feb 26, 2026
$1.2M
4,780
$243.95
22,011
Dennehy Robert
Senior VP and COO
Sell
Feb 26, 2026
$1.0M
4,100
$244.85
17,911
Dennehy Robert
Senior VP and COO
Sell
Feb 26, 2026
$635,499.20
2,576
$246.70
15,335
Dennehy Robert
Senior VP and COO
Sell
Feb 26, 2026
$99,588.00
400
$248.97
14,935
Dennehy Robert
Senior VP and COO
Sell
Feb 26, 2026
$125,260.00
500
$250.52
14,435
Dennehy Robert
Senior VP and COO
Sell
Feb 26, 2026
$398,374.18
1,571
$253.58
12,864
RIBAR GEOFFREY G
Sell
Feb 25, 2026
$569,055.96
2,244
$253.59
13,410
OCAMPO SUSAN
Sell
Feb 25, 2026
$10.3M
41,012
$250.39
4.0M
Ritchie John
Sell
Feb 25, 2026
$401,115.00
1,573
$255.00
8,690
OCAMPO SUSAN
Sell
Feb 25, 2026
$583,440.50
2,323
$251.16
4.0M
OCAMPO SUSAN
Sell
Feb 25, 2026
$55.7M
218,428
$255.22
3.8M