ONE GAS INC (OGS) is held by 189 institutional investors that disclose positions via SEC 13F filings. The largest disclosed holder is BlackRock, Inc. as of Q1 2026.

Are institutions buying or selling OGS?

In Q1 2026, 103 institutions opened or increased positions in ONE GAS INC while 79 reduced or exited — a net buying quarter.

What is the Smart Money Verdict on OGS?

The Smart Money Verdict combines four independent sources (institutional 13F activity, insider trades, activist filings, and congressional trades) into a single assessment for ONE GAS INC.

How many hedge funds hold OGS?

189 institutional investors report holding ONE GAS INC (OGS) as of Q1 2026, based on SEC 13F filings.

Is institutional money flowing into OGS?

As of Q1 2026, tracked institutions in ONE GAS INC show 103 buyers versus 79 sellers — net inflows.

ONE GAS INC

OGS·68235P108·US·Common Stock·Utilities - Utilities - Regulated Gas-13D/G

189

Holders

Avg rating(40 Elite)

$4.3B

Total Value

57% (199)

Fund Consensus

103 buying - 79 selling

Smart Money Verdict

View all

Held by 189 funds

40 elite

Who's Trading

Activist

Wellington Management Group LLP4.2%May 15, 2026

ActivistACAmerican Century Investment Management, Inc.5.4%May 1, 2026

ActivistVAVanguard Capital Management5.2%Apr 30, 2026

ActivistVPVanguard Portfolio Management5.8%Apr 29, 2026

Activist

The Vanguard Group0.0%Mar 27, 2026

InsiderRARODRIGUEZ EDUARDO ASell $73KMar 6, 2026

InsiderBFBrumfield Brian F.Sell $86KFeb 24, 2026

Activist

STATE STREET CORPORATION5.0%Feb 9, 2026

ActivistACAmerican Century Capital Portfolios, Inc.4.4%May 15, 2025

InsiderHGHutchinson Michael GSell $89KMar 18, 2025

View all insider trades View all activist filings

13F: Mar 31, 2026Insider & Congress: Updated regularly

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BlackRock, Inc.	Increased	9.1M(+3.9%)	$785.1M	0.0%	+16.00%	33
VPVANGUARD PORTFOLIO MANAGEMENT LLC	New	3.6M	$309.2M	0.0%	-9.27%	43
AMERICAN CENTURY COMPANIES INC	Decreased	3.4M(-3.6%)	$290.7M	0.1%	+26.31%	0
STATE STREET CORP	Increased	3M(+1.8%)	$261.6M	0.0%	+31.21%	31
VAVANGUARD CAPITAL MANAGEMENT LLC	New	2.8M	$239.1M	0.0%	-9.27%	43
WELLINGTON MANAGEMENT GROUP LLP	Decreased	2.6M(-18.6%)	$224.4M	0.0%	+17.82%	0
GEODE CAPITAL MANAGEMENT, LLC	Increased	1.6M(+6.0%)	$136.2M	0.0%	+18.08%	32
ALLIANCEBERNSTEIN L.P.	Decreased	1.5M(-10.9%)	$117.1M	0.0%	+12.23%	0
EARNEST PARTNERS LLC	Decreased	1.2M(-2.9%)	$99.3M	0.4%	+13.94%	0
Boston Trust Walden Corp	Decreased	1.1M(-1.6%)	$93.6M	0.8%	+14.37%	0
DIMENSIONAL FUND ADVISORS LP	Increased	1M(+0.2%)	$87.1M	0.0%	+14.13%	30
GOLDMAN SACHS GROUP INC	Decreased	944,791(-32.4%)	$81.4M	0.0%	+8.32%	0
MORGAN STANLEY	Decreased	883,599(-11.0%)	$76.1M	0.0%	+19.02%	0
Qube Research & Technologies Ltd	Increased	866,242(+113.7%)	$74.6M	0.1%	-4.23%	48
Bank of New York Mellon Corp	Increased	763,877(+2.2%)	$65.8M	0.0%	+19.18%	30
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	Decreased	755,452(-0.3%)	$65.1M	0.0%	+19.92%	0
NORTHERN TRUST CORP	Increased	728,867(+2.4%)	$62.8M	0.0%	+11.44%	30
FRANKLIN RESOURCES INC	Increased	720,187(+0.3%)	$62M	0.0%	+28.75%	29
Nuveen, LLC	Decreased	705,333(-9.2%)	$60.8M	0.0%	+4.13%	0
VICTORY CAPITAL MANAGEMENT INC	Increased	644,166(+2.7%)	$55.5M	0.0%	+20.34%	30