ETF · 55286W108

MFSB

ETF
MFS ACTIVE EXCHANGE TRADED F
···Share
Holders (tracked)
1
Combined shares
59,082
Combined value
$1.49M
Last close
$25.19
Quarter
2025Q4
Price · 1Y$25.19+1.65 (+7.02%)H $25.40 · L $23.40 · Avg Vol 82K
$23.50$24.00$24.50$25.00$25.50VolJul 25Oct 25Jan 26Apr 26
Tracked holders · last 8 quarters
Flat over the last 2 quarters.
112025Q32025Q4
Filing-implied avg cost: $25.22 · live $25.19

Who owns MFSB

1 super-investors · 2025Q4
Tracked stake
59.1K
shares
Combined value
$1M
% of shares outstanding
shares-out unknown
Quarter action mix
Trim1
#ManagerSharesValue
1Ken Griffin
Citadel Advisors
59.1K$1M

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.
New positions0
Added to0
Trimmed1
Exited0

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2025Q3
1
$2.3M
2025Q4
1
$1.5M