DOSSIER · 13F Holders · Q4 2025

MFS SERS TR X INTL VALUE A

1 institutions still hold MFS SERS TR X INTL VALUE A as of Q4 2025. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 55273E305·1 13F holders·last filed Dec 31, 2025
Market cap
13F value held
$58K
visible holders
Holders
1
filers reporting
Concentration
100.00%
Coston, McIsaac & Partners #1
top holder share
AI Holders Summary · Q4 2025

1 institutions reported MFS SERS TR X INTL VALUE A in Q4 2025. Coston, McIsaac & Partners leads at 100.0% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
Coston, McIsaac & Partners
CIK 0001945037
$58K1K0.01%Q4 2025