AMERICAN BEACON SELECT FUNDS (MGNR): Ownership & Insider Activity

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

Reported Holders
4
13F filers
Aggregate Value
$5.4M
Across holders
Last Price
$55.37
2026-08-24
Sector
GICS
Quarterly fund activity4 increased0 reduced1 exited
Full exits: CITADEL ADVISORS LLC
Institutional Holders of MGNR
4 holders
ManagerTypeSharesMarket Value% of Total% of PortfolioActionQoQ ChangeQuarter
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund93K$4.5M83.2%0.0%AddedQ2 2026
Rockefeller Capital Management L.P.
CIK 0001739439
Hedge Fund8K$367K6.8%0.0%Added+$1KQ2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund7K$324K6.0%0.0%AddedQ2 2026
Qube Research & Technologies Ltd
CIK 0001729829
Hedge Fund5K$218K4.0%0.0%AddedQ2 2026
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