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Mdu Res Group Inc

MDUNASDAQ · US

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Holders

BlackRock
13F filer
$467.1M
18,609,410 sh
as-of 30 Jun 2024Stale
Renaissance Technologies
13F filer
$19.3M
929,844 sh
as-of 31 Mar 2026Stale
Two Sigma Investments
13F filer
$10.0M
482,576 sh
as-of 31 Mar 2026Stale
Bridgewater Associates
13F filer
$1.1M
52,626 sh
as-of 31 Mar 2026Stale
Durkin Marian M
US insider
—
172 sh
as-of 10 Oct 2026T+2
Dosch Vernon A.
US insider
—
1,462 sh
as-of 10 Oct 2026T+2

Ownership

Ownership data not yet available for this security.

Disclosure timeline

ACQUIREDT+30
Dosch Vernon A.
Mdu Res Group Inc · NASDAQ
+1,462 sh
Filed 1 Oct 2026SEC Form 4view source
ACQUIREDT+30
Durkin Marian M
Mdu Res Group Inc · NASDAQ
+172 sh
Filed 1 Oct 2026SEC Form 4view source
DISCLOSEDStale
Renaissance Technologies
Mdu Res Group Inc · NASDAQ
929,844 sh · $19.3M
Filed 31 Mar 2026SEC 13Fview source
DISCLOSEDStale
Bridgewater Associates
Mdu Res Group Inc · NASDAQ
52,626 sh · $1.1M
Filed 31 Mar 2026SEC 13Fview source
DISCLOSEDStale
Two Sigma Investments
Mdu Res Group Inc · NASDAQ
482,576 sh · $10.0M
Filed 31 Mar 2026SEC 13Fview source
DISCLOSEDStale
BlackRock
Mdu Res Group Inc · NASDAQ
18,609,410 sh · $467.1M
Filed 30 Jun 2024SEC 13Fview source

Announcements

No announcements on record for this security.

MDUNASDAQ · US

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Latest filing1 Oct 2026T+30

6 disclosed holders · 6 disclosures · 0 announcements

Ownership

Ownership data not yet available for this security.

Announcements

No announcements on record for this security.