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Buy Day today: Good (62) Broad market participation · no major macro event
OGS

One Gas Inc

Utilities · Utilities - Regulated Gas

76.20$ -0.3% vs. previous close Closing price · As of: Sep 17, 2026

Ownership

Ownership Structure

Who owns One Gas Inc (OGS)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 98.9% of the shares are freely tradable; institutional investors hold 94.3%.

Institutional ownership ?Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings. 94.3%
Insiders ?Share of the stock held by the executives, founders and major shareholders of the company itself. 1.1%
Float ?Share of stock freely tradable on the market — not locked up in the hands of founders, insiders, or major shareholders. 98.9%
Short % of float ?Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices. 7.5%
Shares Outstanding ?Total number of shares issued. Price times share count gives market cap. 63Mio.

Largest Shareholders

Institutions

Institutions OGS
Name Stake (%) Shares Change (%) Date
BlackRock Inc 14.50 9,115,076 +3.9 03/31/2026
Vanguard Portfolio Management, LLC 5.71 3,589,993 +0.0 03/31/2026
American Century Companies Inc 5.64 3,543,229 +5.0 06/30/2026
State Street Corp 4.83 3,036,885 +1.8 03/31/2026
Vanguard Capital Management, LLC 4.42 2,776,005 +0.0 03/31/2026
T. Rowe Price Investment Management,Inc. 2.96 1,861,962 -28.7 03/31/2026
Energy Income Partners, LLC 2.81 1,763,956 +32.5 06/30/2026

Funds

Funds OGS
Name Stake (%) Shares Change (%) Date
iShares Core S&P Mid-Cap ETF 3.50 2,197,883 +0.0 08/31/2026
Vanguard MStar Total Stk Mkt Idx Invest 3.18 1,998,030 +0.3 07/31/2026
iShares Russell 2000 ETF 2.61 1,637,456 -0.6 08/31/2026

Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.

Data as of: September 17, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)

Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.

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