13F Insight
DOSSIER · 13F Holders · Q1 2026Technology · Semiconductors & Related DevicesMost-boughtAI cap-ex
MTSI

MACOM TECH SOLUTIONS HLDGS I

532 institutions still hold MACOM TECH SOLUTIONS HLDGS I as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 55405Y100·Semiconductors & Related Devices·532 13F holders·last filed Mar 31, 2026
Market cap
—
▲ 4.2%
vs prior quarter
13F value held
$10.2B
54.0% inst. owned
of float
Holders
532
-137 QoQ
filers reporting
Activity
+54 / −58
+862 added · −910 reduced
this quarter
Concentration
23.06%
FMR LLC #1
top holder share
AI Holders Summary · Q1 2026

532 institutions reported MTSI in Q1 2026. FMR LLC leads at 23.1% of the visible book. -137 net institutions QoQ — distribution reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
FMR LLC
CIK 0000315066
$2.4B10.6M0.12%Q1 202602
BlackRock, Inc.
CIK 0002012383
$1.9B8.6M0.03%Q1 202603
Invesco Ltd.
CIK 0000914208
$816M3.7M0.12%Q1 202604
Vanguard Portfolio Management
CIK 0002100121· Index
$797M3.6M0.04%Q1 202605
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$665M3.0M0.02%Q1 202606
STATE STREET CORP
CIK 0000093751
$478M2.2M0.02%Q1 202607
JPMORGAN CHASE & CO
CIK 0000019617
$422M2.0M0.03%Q1 202608
WELLINGTON MANAGEMENT GROUP LLP
CIK 0000902219
$344M1.5M0.06%Q1 202609
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$302M1.4M0.02%Q1 202610
Capital Research Global Investors
CIK 0001422848
$272M1.2M0.04%Q1 202611
Whale Rock Capital Management LLC
CIK 0001387322
$261M1.2M3.37%Q1 202612
Artisan Partners Limited Partnership
CIK 0001466153
$233M1.0M0.37%Q1 202613
Polar Capital Holdings Plc
CIK 0001837309
$207M931K0.73%Q1 202614
MASSACHUSETTS FINANCIAL SERVICES CO /MA/
CIK 0000912938
$184M828K0.06%Q1 202615
UBS Group AG
CIK 0001610520
$180M809K0.03%Q1 202616
Neuberger Berman Group LLC
CIK 0001465109
$175M789K0.13%Q1 202617
JANUS HENDERSON GROUP PLC
CIK 0001274173
$174M784K0.08%Q1 202618
BARCLAYS PLC
CIK 0000312069
$163M735K0.04%Q1 202619
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
CIK 0000884546· Index
$147M661K0.02%Q1 202620
Delaware Management Holdings, Inc.
CIK 0000921739
$141M635K0.24%Q1 2026
Page 1 of 27
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