Atmos Energy CORP (ATO) 13F Filings: Institutional Buyers & Sellers (Q2 2026)

ATO ranks #451 out of 37501 tracked stocks by institutional interest — one of the most closely watched names in our coverage.

ATO is a top-conviction position for Sfmg, LLC — at 11.0% of their entire disclosed 13F portfolio, it's one of their largest single bets, not just a passing allocation.

The largest dollar stake in ATO belongs to BlackRock, Inc., but the position matters far more to Sfmg, LLC, who has 11.0% of their own portfolio riding on it — a reminder that the biggest holder by size and the holder with the biggest bet aren't always the same fund.

Cliff Asness has added to its ATO position for two straight quarters, increasing it by $324.0M to reach $409.0M today.

Aristotle Capital Management, LLC has trimmed its ATO position for two straight quarters, cutting it by $1.1B while still holding $5.8M.

ATO is down 0% today, but institutions show net buying of $5.3B this quarter — a divergence between today's price move and the underlying institutional flow.

ATO posted net income of $1.4B over the trailing twelve months, and currently trades at a P/E of 19.2.

• Profitable — net income of $1.4B over the trailing twelve months
• Revenue grew 6.5% year over year
• Net income improved year over year, from $1.2B to $1.4B
• Generated $2.0B in positive operating cash flow
• Current ratio of 0.77x — below the conventional 1.5x liquidity buffer
• Liabilities run 0.04x equity — within a conventional range