DOSSIER · 13F-HR · Q1 2026

MASSACHUSETTS FINANCIAL SERVICES CO /MA/

MASSACHUSETTS FINANCIAL SERVICES /MA/'s hedge fund based in Greenwich, CT $297.5B in tracked AUM across 3,996 positions as of Q1 2026.

MF
MASSACHUSETTS FINANCIAL SERVICES /MA/·Greenwich, CT·Hedge Fund
CIK 0000912938 · last filed Mar 31, 2026
Total AUM
$297.5B
3.1%
vs prior
Holdings
3,996
positions
Whale Score
65
65
tracked
Activity
no data
changes this Q
Top sector
Financials
8% weight
concentration
AI Analysis · Q1 2026 · Q1 2026

Massachusetts Financial Services (MFS) reported $297.5B in Q1 2026, down from $310.1B, with reductions far outnumbering additions — 36 positions decreased versus just 6 increased. Microsoft (-$2.4B), Nvidia (-$959M), and Alphabet (-$929M) led the trims among anchors Nvidia (3.89%), Microsoft (3.59%), and Apple (2.64%). Against the broad pruning, MFS added to Broadcom (+$628M), Apple (+$536M), and gold miner Agnico Eagle (+$519M). New positions opened in RTX, Honeywell, Visa, Schwab, Waters, and Dominion Energy; KKR and American Express were sold.

Quarter at a glance — Q1 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q1 2026.

#HoldingValueSharesWeight
01
NVDA
NVIDIA CORPORATION
$11.6B65.3M3.9%
02
MSFT
MICROSOFT CORP
$10.7B25.5M3.6%
03
AAPL
APPLE INC
$7.8B30.3M2.6%
04
GOOGL
ALPHABET INC
$7.0B23.4M2.3%
05
AMZN
AMAZON COM INC
$6.6B26.0M2.2%
06
JPM
JPMORGAN CHASE & CO
$4.3B14.7M1.5%
07
AVGO
BROADCOM INC
$3.4B9.0M1.1%
08
TSM
TAIWAN SEMICONDUCTOR MANUFAC
$3.4B9.7M1.1%
09
JNJ
JOHNSON & JOHNSON
$3.3B13.4M1.1%
10
CI
THE CIGNA GROUP
$3.1B11.6M1.0%

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