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Equibles

SEI INVESTMENTS CO

Position in MDU — Mdu Resources Group Inc

CIK 350894 OAKS, PA
Back to MDU Full portfolio

Position in MDU

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$110,901,955
+$1,885,210 QoQ
Shares Held
5,228,758
-0.6% QoQ
Ownership
2.49%
of shares outstanding
% of Portfolio
0.12%
of 13F equity value
Holder Rank
#9
of 438 holders
Holding Since
Mar 2020
24 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in MDU Over Time

Shares Held

Position Value (USD)

Position in Utilities - Regulated Gas

Utilities · as of Jun 30, 2026

SEI INVESTMENTS CO holds $237,548,701 across 13 Utilities - Regulated Gas names. MDU ranks #1 (46.7% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 MDU
Mdu Resources Group Inc
This page 		5,228,758 $110,901,955
2 ATO
Atmos Energy Corp
 192,466 $33,156,116
3 NI
Nisource Inc.
 578,630 $27,513,855
4 UGI
Ugi Corp /Pa/
 668,363 $23,085,257
5 SWX
Southwest Gas Holdings, Inc.
 95,136 $8,436,660
6 CPK
Chesapeake Utilities Corp
 61,876 $7,578,571
7 BKH
Black Hills Corp /Sd/
 98,513 $7,329,367
8 NJR
New Jersey Resources Corp
 100,601 $5,637,679

All Filings in MDU

Export CSV
24 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $110,901,955 5,228,758
2026-03-31 $109,016,745 5,261,426
2025-12-31 $103,922,683 5,323,908
2025-09-30 $18,488,149 1,038,077
2025-06-30 $1,815,495 108,908
2025-03-31 $1,724,954 102,008
2024-12-31 $2,151,551 119,398
2024-09-30 $2,594,767 94,665
2024-06-30 $2,319,939 92,428
2024-03-31 $1,164,439 46,208
2023-12-31 $812,410 41,031
2023-09-30 $639,303 32,651
2023-06-30 $476,258 22,744
2023-03-31 $446,959 14,664
2022-06-30 $1,013,122 37,537
2022-03-31 $2,375,868 89,151
2021-12-31 $3,085,436 100,047
2021-09-30 $2,948,554 99,378
2021-06-30 $3,088,532 98,549
2021-03-31 $3,619,902 114,518
2020-12-31 $3,016,389 114,518
2020-09-30 $2,748,686 122,164
2020-06-30 $2,506,663 113,015
2020-03-31 $1,464,457 68,114