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ATO · XOM in the 13F filings

Two to four stocks side by side among the 95 tracked managers: who lists them, how that has moved, who bought and sold in a quarter, and which managers hold more than one.

ATOXOM
Quarter
Q2 2026Q1 2026Q4 2025Q3 2025Q2 2025Q1 2025Q4 2024Q3 2024Q2 2024Q1 2024Q4 2023

Holders over time

Tracked managers listing each stock every quarter, at least, or their combined reported value. A gap is a quarter in which no tracked manager listed it. Click a quarter to compare there.
  • ATO
  • XOM
010203040202120222023202420252026
Holders and value by quarter
QuarterATOXOM
Q3 20208 holders, $1.1bn21 holders, $7.1bn
Q4 202010 holders, $520m28 holders, $8.0bn
Q1 20216 holders, $217m27 holders, $11.5bn
Q2 20216 holders, $435m28 holders, $13.4bn
Q3 20214 holders, $408m30 holders, $13.0bn
Q4 20217 holders, $726m29 holders, $14.2bn
Q1 20225 holders, $543m37 holders, $20.3bn
Q2 202213 holders, $686m30 holders, $23.2bn
Q3 202214 holders, $1.5bn27 holders, $25.6bn
Q4 202213 holders, $1.6bn32 holders, $62.9bn
Q1 202312 holders, $1.6bn29 holders, $32.9bn
Q2 202310 holders, $1.6bn30 holders, $32.1bn
Q3 202310 holders, $1.5bn30 holders, $35.1bn
Q4 202311 holders, $1.9bn38 holders, $30.7bn
Q1 20248 holders, $2.0bn32 holders, $36.5bn
Q2 202411 holders, $2.7bn33 holders, $42.7bn
Q3 20246 holders, $3.9bn28 holders, $42.3bn
Q4 20249 holders, $3.8bn33 holders, $37.4bn
Q1 20259 holders, $4.0bn32 holders, $39.3bn
Q2 20259 holders, $4.0bn28 holders, $32.5bn
Q3 20258 holders, $4.3bn29 holders, $33.1bn
Q4 20257 holders, $3.7bn33 holders, $36.0bn
Q1 202611 holders, $4.3bn32 holders, $54.7bn
Q2 202616 holders, $4.4bn31 holders, $44.7bn
ATO

Atmos Energy Corp

Holders
16
Reported value
$4.4bn
Buyers
26
Sellers
8

Breadth +18 among 91 comparable managers.

UtilitiesEnergy and power infrastructure · L3VLUP
XOM

Exxon Mobil Corp

Holders
31
Reported value
$44.7bn
Buyers
20
Sellers
18

Breadth +2 among 91 comparable managers.

EnergyEnergy and power infrastructure · L3VLUPOil and gas

Who holds both, Q2 2026

Among the 36 tracked managers listing any of them. "Only" is about listed positions: a manager may hold the other below its listed range.

Only ATO (5)

PDT Partners LLC, Quantbot Technologies LP, Renaissance Technologies LLC, Tudor Investment Corp, Verition Fund Management LLC

Only XOM (20)

Acadian Asset Management LLC, AllianceBernstein LP, Brevan Howard Capital Management LP, Bridgewater Associates LP, Capital World Investors, D. E. Shaw & Co., Dodge & Cox, Fidelity (FMR LLC), First Eagle Investment Management LLC, GAMCO Investors Inc, Holocene Advisors LP, Janus Henderson Group Ltd, Man Group PLC, Markel Group Inc, Marshall Wace LLP, Millennium Management LLC, Squarepoint Ops LLC, Walleye Capital LLC, Winton Group Ltd, Woodline Partners LP

How much of the picture this is

A 13F is a manager’s long US-listed equity book at a quarter end, filed up to 45 days later. Buyers and sellers count comparable managers (those that filed both quarters) by shares, so a rise in value with no rise in shares is the price. Large books are listed to their largest positions. These are 95 tracked managers, not the institutional market.

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