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§ 13F · FUND PROFILE

Gates Foundation Trust.

MFS Investment Management is a diversified active manager running both equity and fixed income strategies, with significant institutional equity positions in large-cap names such as Microsoft, Berkshire Hathaway, and Waste Management. The firm is known for long-term, research-driven fundamental investing across asset classes rather than concentrated thematic bets.
AUM · $34.4B (13F)Positions · 24Turnover · n/a · Q2Filed · Aug 14, 2026
CONCENTRATION
n/a
Top 10 holdings
NEW BUYS
0
+$533M deployed
EXITS
0
No exits
SECTOR SHIFT
n/a
No prior quarter data
§ 01 · TOP HOLDINGS

The book · Q2 2026

FILED AUG 14, 2026
#TickerNameShares$ value% portΔ Q2
1BRK/BBERKSHIRE HATHAWAY INC DEL14.69M$7.4B21.4%−14%
2CATCATERPILLAR INC6.35M$6.8B19.7%±0%
3CNICANADIAN NATL RY CO51.83M$6.2B18.0%±0%
4WMWASTE MGMT INC DEL26.72M$6.0B17.3%−3%
5DEDEERE & CO3.56M$2.3B6.6%±0%
6ECLECOLAB INC5.22M$1.5B4.2%±0%
7WMTWALMART INC8.39M$950M2.8%±0%
8FDXFEDEX CORP2.38M$747M2.2%±0%
9KOFCOCA-COLA FEMSA SAB DE CV6.21M$660M1.9%±0%
10HDHOME DEPOT INC1.00M$353M1.0%NEW
§ 02 · SECTOR ALLOCATION

Where the money is

Sector data pending
§ 03 · THE GATES SIGNAL

AC read

Based on MFS Investment Management's most recent 13F filing with the SEC, the data presents some notable gaps and anomalies worth flagging before drawing any conclusions. Core metrics including total AUM, position count, portfolio concentration (HHI), quarterly turnover, and sector allocation are not available in this filing snapshot, which limits the scope of behavioral analysis possible here. What is visible are the top reported holdings, though the figures listed (e.g., MSFT at $10,682.6 trillion, BRK/B appearing three times with varying values and weights) appear to reflect data formatting or aggregation issues rather than accurate position sizes—these numbers are almost certainly reporting artifacts rather than real market values, likely stemming from multiple share classes, sub-advised accounts, or filing entities being blended together.

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