13F INSTITUTION · CIK 0000912938 · 2026-Q2 · filed Aug 3, 2026

Massachusetts Financial Services

MASSACHUSETTS FINANCIAL SERVICES CO /MA
$315.2B
13F long value · 2026-Q2
Positions1005
CategoryAsset Manager
Quarters tracked9
▲ #45 of 581 by 13F value
Size rank 10/10
63 NEW88 ADD48 2×+97 TRIM25 NEAR EXIT27 EXIT
Snapshot
Massachusetts Financial Services's 13F portfolio at a glance — size, concentration and this quarter's activity.
13F value (AUM)
$315.2B
Positions
1005 (88 unmapped)
Top 100 weight
68.1%
Quarters tracked
9
Latest 13F filed
Aug 3, 2026
New positions
63
Exits / near-exits
52
13F value by quarter
Total reported long value each quarter — fund flows plus market moves.
$325.3B
2024-Q2
$334.8B
2024-Q3
$316.9B
2024-Q4
$300.8B
2025-Q1
$315.1B
2025-Q2
$322.8B
2025-Q3
$310.1B
2025-Q4
$297.5B
2026-Q1
$315.2B
2026-Q2
Top holdings — 2026-Q2
The fund's largest reported positions. The 100 shown cover 68.1% of the portfolio.
TickerIssuerWeightValueSharesSince 2026-Q2
NVDA NVIDIA CORPORATION4.3%$13.7B62.5M+5.6%
GOOGL ALPHABET INC3.3%$10.5B28.7M-7.8%
AAPL APPLE INC2.8%$8.9B30.4M+12.3%
AMZN AMAZON COM INC2.8%$8.8B32.1M-10.1%
MSFT MICROSOFT CORP2.8%$8.8B20.4M+19.7%
AVGO BROADCOM INC1.7%$5.5B12.1M-23.0%
TSM TAIWAN SEMICONDUCTOR MANUFAC1.5%$4.7B9.5M-18.6%
KLAC KLA CORP1.4%$4.5B14.7M+523.0%
JPM JPMORGAN CHASE & CO1.3%$4.0B12.3M+1.5%
— LINDE PLC1.0%$3.3B4.9M—
— UBS GROUP AG1.0%$3.2B62.9M—
CI THE CIGNA GROUP0.9%$2.9B10.4M+1.9%
MA MASTERCARD INCORPORATED0.9%$2.8B5.4M+4.7%
JNJ JOHNSON & JOHNSON0.9%$2.7B10.5M+0.9%
— MEDTRONIC PLC0.8%$2.6B19.9M—
Option positions — 2026-Q2
$173.0K across 1 put position vs $15.2M across 1 call position — put/call ratio 0.01. Values are notional — the market value of the shares the options reference.
TypeTickerIssuerUnderlying sharesNotional value% of 13F value
CALL—WELLTOWER INC1.1M$15.2M0.0%
PUT—ISHARES TR186.0K$173.0K0.0%
Quarterly changes — 2026-Q2
What Massachusetts Financial Services opened, added, trimmed and exited this quarter, largest dollar moves first.
ActionTickerIssuerPrev sharesCurr sharesChangeValue Δ
TRIM—ACCENTURE PLC IRELAND9.8M3.1M-68.9%-$2.1B
ADDAVGOBROADCOM INC9.0M12.1M+34.6%+$2.0B
2×+MUMICRON TECHNOLOGY INC61.4K1.4M+2109.3%+$1.6B
NEWHONAHONEYWELL AEROSPACE INC—5.0M—+$1.4B
2×+AMDADVANCED MICRO DEVICES INC578.8K2.3M+301.1%+$1.2B
NEWSPCXSPACE EXPLORATION TECHN CORP—7.1M—+$1.2B
TRIMHONHONEYWELL INTL INC8.7M5.1M-41.8%-$1.1B
NEAR EXITGEGE AEROSPACE3.1M95.3K-97.0%-$866.3M
ADDANETARISTA NETWORKS INC7.2M9.7M+34.6%+$785.8M
2×+BSXBOSTON SCIENTIFIC CORP11.0M24.9M+126.1%+$781.2M
Conviction over time
Portfolio weight of the current top long holdings, quarter by quarter — rising weight = growing conviction.
NVDA 4.3%
GOOGL 3.3%
AAPL 2.8%
AMZN 2.8%
MSFT 2.8%
AVGO 1.7%
TSM 1.5%
KLAC 1.4%
JPM 1.3%