HEARTLAND ADVISORS INC OGS — ONE GAS INC

Ownership history in HEARTLAND ADVISORS INC  ·  7 quarters on record

AI Ownership Summary

HEARTLAND ADVISORS INC reported ONE GAS INC (OGS) in 7 quarterly 13F filings from 2024 Q3 through 2026 Q1. Peak portfolio weight reached 0.35% in 2026 Q1. The latest visible filing shows OGS at 0.35% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings.

What this OGS ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was HEARTLAND ADVISORS INC's position in ONE GAS INC, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2026 Q1

OGS was reported at 0.35% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.35% in 2026 Q1

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2024 Q3 to 2026 Q1

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

OGS stock page HEARTLAND ADVISORS INC fund profile HEARTLAND ADVISORS INC full holdings
How HEARTLAND ADVISORS INC held OGS — position size vs. price
% of Fund (quarterly)    OGS price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 7 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 REDUCED — — — 80,438 -13 -0.0% 0.35% $6.9M 2026-05-06 $86.00
2025 Q4 REDUCED — — — 80,451 -29 -0.0% 0.33% $6.2M 2026-02-11 $82.71
2025 Q3 ADDED — — — 80,480 +5,548 +7.4% 0.34% $6.5M 2025-11-07 $80.90
2025 Q2 ADDED — — — 74,932 +15,999 +27.1% 0.30% $5.4M 2025-08-12 $73.97
2025 Q1 ADDED — — — 58,933 +16,059 +37.5% 0.26% $4.5M 2025-05-07 $78.66
2024 Q4 UNCHANGED — — — 42,874 — 0% 0.16% $3.0M 2025-02-12 $68.22
2024 Q3 INITIATED — — — 42,874 — — 0.17% $3.2M 2024-11-12 $71.49

🏢 Other funds also holding OGS

As of 2026 Q1 — sorted by position size

Sprinkle Financial Consultants LLC 1.18% BTG Pactual Asset Management US LLC 0.78% Boston Trust Walden Corp 3Y 7Y 0.77% Jackson Creek Investment Advisors LLC 3Y 0.57% DUFF & PHELPS INVESTMENT MANAGEMENT CO 3Y 7Y 0.52% CBRE INVESTMENT MANAGEMENT LISTED REAL ASSETS LLC 3Y 7Y 0.47% nVerses Capital, LLC 0.46% Meiji Yasuda Asset Management Co Ltd. 3Y 7Y 0.46% MQS Management LLC 3Y 0.46% Cadent Capital Advisors, LLC 3Y 0.34%

FAQ About HEARTLAND ADVISORS INC and OGS

These are the practical questions this page is built to answer before you even open the full history table.

How long has HEARTLAND ADVISORS INC reported owning OGS?

HEARTLAND ADVISORS INC reported OGS across 7 quarterly 13F filings, from 2024 Q3 through 2026 Q1.

What was the largest reported OGS position in HEARTLAND ADVISORS INC's portfolio?

The largest reported portfolio weight for OGS was 0.35% in 2026 Q1.

What is the latest reported OGS position on this page?

The most recent filing on this page is 2026 Q1, when HEARTLAND ADVISORS INC reported 80,438 shares, equal to 0.35% of portfolio, with an estimated market value of $6.9M.

What does the chart on this OGS ownership page compare?

The chart compares HEARTLAND ADVISORS INC's quarterly OGS portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

How well did HEARTLAND ADVISORS INC time their OGS position?

Based on 13F filing dates vs. subsequent OGS price moves, HEARTLAND ADVISORS INC correctly timed 2 out of 5 reported position changes (40%). The annualised alpha on OGS relative to SPY over the holding period was -2.6%.

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