FLEXSHARES DURATION MBS (MBSD): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in MBSD. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
2
13F filers
Aggregate Value
$105K
Across holders
Last Price
$19.98
2026-10-19
Sector
—
GICS
Quarterly fund activity1 increased0 reduced1 exited
Full exits: CITADEL ADVISORS LLC
Institutional Holders of MBSD
↗
2 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
Ancora Advisors, LLC
CIK 0001446114
Hedge Fund4K$87K83.5%0.0%Unchanged+$0Q2 2026
Rockefeller Capital Management L.P.
CIK 0001739439
Hedge Fund837$17K16.5%0.0%Added+$144Q2 2026
Recent insider activity
No Form 4 purchase or sale records in our coverage in the last 90 days.