DOSSIER · 13F Holders ·
MRBIX

MFS TOTAL RETURN BOND I

0 institutions still hold MFS TOTAL RETURN BOND I as of . Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 55272P778·0 13F holders
Market cap
13F value held
visible holders
Holders
0
filers reporting
Concentration
top holder share
AI Holders Summary · —

0 institutions reported MRBIX in —. Top-holder concentration data is loading.

Historical Security — No Current Institutional Holders

MFS TOTAL RETURN BOND I appears only in historical 13F filings. No institutions currently hold this position.

Browse active securities →