DOSSIER · 13F Holders · Q2 2026
MDU

MDU RES GROUP INC

455 institutions still hold MDU RES GROUP INC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 552690109·455 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$2.8B
visible holders
Holders
455
filers reporting
Concentration
20.69%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q2 2026

455 institutions reported MDU in Q2 2026. BlackRock, Inc. leads at 20.7% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$580M27.4M0.01%Q2 2026
02
BARROW HANLEY MEWHINNEY & STRAUSS LLC
CIK 0000313028
$277M13.1M0.84%Q2 2026
03
Vanguard Portfolio Management
CIK 0002100121· Index
$269M12.7M0.01%Q2 2026
04
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$221M10.4M0.04%Q2 2026
05
EARNEST PARTNERS LLC
CIK 0001102578
$206M9.7M0.74%Q2 2026
06
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$200M9.4M0.00%Q2 2026
07
STATE STREET CORP
CIK 0000093751
$157M7.4M0.00%Q2 2026
08
BANK OF AMERICA CORP /DE/
CIK 0000070858
$129M6.1M0.01%Q2 2026
09
SEI INVESTMENTS CO
CIK 0000350894
$111M5.2M0.10%Q2 2026
10
MORGAN STANLEY
CIK 0000895421
$87M4.1M0.00%Q2 2026
11
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$75M3.6M0.00%Q2 2026
12
River Road Asset Management, LLC
CIK 0001341401
$72M3.4M0.80%Q2 2026
13
WESTWOOD HOLDINGS GROUP INC
CIK 0001165002
$68M3.2M0.51%Q2 2026
14
HITE Hedge Asset Management LLC
CIK 0001568939
$67M3.1M3.64%Q2 2026
15
NORGES BANK
CIK 0001374170· Sovereign
$56M2.6M0.01%Q2 2026
16
Bank of New York Mellon Corp
CIK 0001390777
$49M2.3M0.01%Q2 2026
17
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
CIK 0000884546· Index
$47M2.2M0.01%Q2 2026
18
T. Rowe Price Investment Management, Inc.
CIK 0001897612
$45M2.2M0.03%Q1 2026
19
Invesco Ltd.
CIK 0000914208
$43M2.0M0.00%Q2 2026
20
FRONTIER CAPITAL MANAGEMENT CO LLC
CIK 0000351173
$42M2.0M0.39%Q2 2026
Page 1 of 23
435 more holders available. Log in →
Insiders at MDU RES GROUP INC
Dosch Vernon A. →Durkin Marian M →Jones Anne M →Johnson Rob L. →Kivisto Nicole A →Senger Garret →Sievert Stephanie A →Vollmer Jason L →