Skip to main content

MASSACHUSETTS FINANCIAL SERVICES CO /MA/

Position in MTSI — MACOM Technology Solutions Holdings, Inc.

CIK 912938 Boston, MA

Position in MTSI

as of Jun 30, 2026 · filed Aug 3, 2026
Position Value
$443,603,467
+$259,630,023 QoQ
Shares Held
1,166,242
+40.8% QoQ
Ownership
1.53%
of shares outstanding
% of Portfolio
0.15%
of 13F equity value
Holder Rank
#11
of 655 holders
Holding Since
Dec 2024
7 quarters on record
Voting authority Sole 81% Shared 16% None 3%

Common Shares in MTSI Over Time

Shares Held

Position Value (USD)

Position in Semiconductors

Technology · as of Jun 30, 2026

MASSACHUSETTS FINANCIAL SERVICES CO /MA/ holds $31,779,658,313 across 33 Semiconductors names. MTSI ranks #10 (1.4% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in MTSI

Export CSV
7 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $443,603,467 1,166,242
2026-03-31 $183,973,444 828,448
2025-12-31 $80,124,268 467,797
2025-09-30 $48,607,119 390,450
2025-06-30 $18,325,787 127,893
2025-03-31 $26,632,619 265,318
2024-12-31 $31,259,851 240,627