§ 13F · FUND PROFILE
MASSACHUSETTS FINANCIAL SERVICES CO /MA/.
MFS, long-term fundamental investing
AUM · $315.2B (13F)Positions · 4175Turnover · 24% · Q2Filed · Aug 3, 2026
CONCENTRATION
17%
Top 10 holdings
NEW BUYS
+129
+$6.4B deployed
EXITS
0
No exits
SECTOR SHIFT
OTHER → SEMICONDUCTORS
-3pp · +4pp
§ 01 · TOP HOLDINGS
The book · Q2 2026
FILED AUG 3, 2026
| # | Ticker | Name | Shares | $ value | % port | Δ Q2 |
|---|---|---|---|---|---|---|
| 1 | NVDA | NVIDIA CORPORATION | 50.55M | $10.1B | 3.2% | −4% |
| 2 | GOOGL | ALPHABET INC | 22.91M | $8.2B | 2.6% | +23% |
| 3 | AAPL | APPLE INC | 24.54M | $7.1B | 2.3% | ±0% |
| 4 | MSFT | MICROSOFT CORP | 15.28M | $5.7B | 1.8% | −20% |
| 5 | AMZN | AMAZON COM INC | 23.78M | $5.7B | 1.8% | +24% |
| 6 | AVGO | BROADCOM INC | 9.41M | $3.6B | 1.1% | +35% |
| 7 | KLAC | KLA CORP | 11.71M | $3.5B | 1.1% | +794% |
| 8 | TSM | TAIWAN SEMICONDUCTOR MANUFAC | 6.80M | $3.2B | 1.0% | −2% |
| 9 | JPM | JPMORGAN CHASE & CO | 9.64M | $3.2B | 1.0% | −16% |
| 10 | MA | MASTERCARD INCORPORATED | 4.32M | $2.2B | 0.7% | −3% |
§ 02 · SECTOR ALLOCATION
Where the money is
Other56.7% (−3pp)
Semiconductors13.0% (+4pp)
Technology9.5% (−1pp)
Financial Services7.8% (−1pp)
Health Care5.8% (±0)
Media5.7%
§ 03 · THE MASSACHUSETTS SIGNAL
AC read
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ is a Quality / Compounder fund managing $315.2 billion in assets. The fund runs a massive portfolio of 4,175 positions, broad diversification across holdings. Turnover is moderate at 24% per quarter, with 129 new positions and 0 exits last quarter. Top sector allocations: Other (57%), Semiconductors (13%), Technology (10%).
Read the full dossier →§ 04 · FILING HISTORY
Q-by-Q deltas
4 OF 2 FILINGS MEASURED
Q2 2026
Busy quarter
+129 buys · −0 exits · 873 changed
Q1 2026
Busy quarter
+92 buys · −0 exits · 849 changed
Q4 2025
Busy quarter
+103 buys · −0 exits · 808 changed
Q3 2025
Busy quarter
+62 buys · −0 exits · 790 changed