13F Insight
DOSSIER · 13F Holders · Q1 2026Utilities · Natural Gas DistributionCyclicalNet sold
OGS

ONE GAS INC

444 institutions still hold ONE GAS INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 68235P108·Natural Gas Distribution·444 13F holders·last filed Mar 31, 2026
Market cap
—
▼ 0.7%
vs prior quarter
13F value held
$3.3B
78.0% inst. owned
of float
Holders
444
-53 QoQ
filers reporting
Activity
+8 / −29
+1,039 added · −849 reduced
this quarter
Concentration
23.74%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q1 2026

444 institutions reported OGS in Q1 2026. BlackRock, Inc. leads at 23.7% of the visible book. -53 net institutions QoQ — distribution reading.

Top holders

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

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$785M9.1M0.01%Q1 202602
Vanguard Portfolio Management
CIK 0002100121· Index
$309M3.6M0.02%Q1 202603
AMERICAN CENTURY COMPANIES INC
CIK 0000748054
$291M3.4M0.15%Q1 202604
STATE STREET CORP
CIK 0000093751
$262M3.0M0.01%Q1 202605
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$239M2.8M0.01%Q1 202606
WELLINGTON MANAGEMENT GROUP LLP
CIK 0000902219
$224M2.6M0.04%Q1 202607
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$136M1.6M0.01%Q1 202608
ALLIANCEBERNSTEIN L.P.
CIK 0001109448
$117M1.5M0.04%Q1 202609
Energy Income Partners, LLC
CIK 0001388814
$115M1.3M1.84%Q1 202610
EARNEST PARTNERS LLC
CIK 0001102578
$99M1.2M0.41%Q1 202611
Boston Trust Walden Corp
CIK 0001534866
$94M1.1M0.77%Q1 202612
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$87M1.0M0.02%Q1 202613
GOLDMAN SACHS GROUP INC
CIK 0000886982
$81M945K0.01%Q1 202614
MORGAN STANLEY
CIK 0000895421
$76M884K0.00%Q1 202615
Qube Research & Technologies Ltd
CIK 0001729829
$75M866K0.08%Q1 202616
Bank of New York Mellon Corp
CIK 0001390777
$66M764K0.01%Q1 202617
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
CIK 0000884546· Index
$65M755K0.01%Q1 202618
NORTHERN TRUST CORP
CIK 0000073124· Index
$63M729K0.01%Q1 202619
FRANKLIN RESOURCES INC
CIK 0000038777
$62M720K0.02%Q1 202620
Nuveen, LLC
CIK 0001871926
$61M705K0.02%Q1 2026
Page 1 of 23
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