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Atmos Energy

910 hedge funds and large institutions have $27.2B invested in Atmos Energy in 2025 Q3 according to their latest regulatory filings, with 120 funds opening new positions, 359 increasing their positions, 261 reducing their positions, and 70 closing their positions.

New
Increased
Maintained
Reduced
Closed

236% more call options, than puts

Call options by funds: $29.3M | Put options by funds: $8.72M

71% more first-time investments, than exits

New positions opened: 120 | Existing positions closed: 70

38% more repeat investments, than reductions

Existing positions increased: 359 | Existing positions reduced: 261

10% more capital invested

Capital invested by funds: $24.7B → $27.2B (+$2.52B)

5% more funds holding

Funds holding: 869910 (+41)

0% more funds holding in top 10

Funds holding in top 10: 99 (0)

1.62% less ownership

Funds ownership: 101.01%99.39% (-1.6%)

Holders
910
Holders Change
+41
Holders Change %
+4.72%
% of All Funds
11.94%
Holding in Top 10
9
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.12%
New
120
Increased
359
Reduced
261
Closed
70
Calls
$29.3M
Puts
$8.72M
Net Calls
+$20.6M
Net Calls Change
+$59.2M
Name Holding Trade Value Shares
Change
Change in
Stake
Caisse de Depot et Placement du Quebec (CDPQ)
101
Caisse de Depot et Placement du Quebec (CDPQ)
Quebec, Canada
$26.6M +$16.3M +100,728 +183%
LPL Financial
102
LPL Financial
California
$26.1M +$1.71M +10,617 +7%
Skandinaviska Enskilda Banken (SEB)
103
Skandinaviska Enskilda Banken (SEB)
Sweden
$26M +$10.2M +63,433 +72%
CRM
104
Cramer Rosenthal McGlynn
Connecticut
$25.8M -$520K -3,223 -2%
Citadel Advisors
105
Citadel Advisors
Florida
$25.7M +$12.5M +77,548 +106%
HAI
106
Hennessy Advisors Inc
California
$25.3M -$2.62M -16,200 -10%
Adage Capital Partners
107
Adage Capital Partners
Massachusetts
$24.9M -$22.5M -139,400 -49%
Ameriprise
108
Ameriprise
Minnesota
$24.8M -$264K -1,636 -1%
Lazard Asset Management
109
Lazard Asset Management
New York
$24.2M -$11.9M -73,792 -34%
CIBC Asset Management
110
CIBC Asset Management
Ontario, Canada
$23.4M +$316K +1,955 +1%
State Board of Administration of Florida Retirement System
111
State Board of Administration of Florida Retirement System
Florida
$23.4M -$362K -2,241 -2%
Natixis Advisors
112
Natixis Advisors
Massachusetts
$22.3M -$284K -1,761 -1%
MAM
113
Magellan Asset Management
Australia
$22.3M +$2.31M +14,304 +12%
Asset Management One
114
Asset Management One
Japan
$21.8M -$1.8M -11,121 -8%
Aviva
115
Aviva
United Kingdom
$21.5M +$1.21M +7,464 +6%
New York State Teachers Retirement System (NYSTRS)
116
New York State Teachers Retirement System (NYSTRS)
New York
$20.4M +$4.84K +30 +0%
Toronto Dominion Bank
117
Toronto Dominion Bank
Ontario, Canada
$20.3M +$936K +5,799 +5%
Jane Street
118
Jane Street
New York
$20.3M +$13.8M +85,677 +260%
Russell Investments Group
119
Russell Investments Group
United Kingdom
$20.2M +$5.6M +34,667 +41%
SO
120
STRS Ohio
Ohio
$20.2M -$274K -1,699 -1%
Baird Financial Group
121
Baird Financial Group
Wisconsin
$19.7M +$193K +1,198 +1%
Ensign Peak Advisors
122
Ensign Peak Advisors
Utah
$19.2M -$1.33M -8,260 -7%
AssetMark Inc
123
AssetMark Inc
California
$18.8M +$503K +3,115 +3%
KC
124
Kepler Cheuvreux
$18.4M +$17.4M +107,485 New
Marshall Wace
125
Marshall Wace
United Kingdom
$18M -$14M -86,940 -45%

ATO Hedge Fund Activity: Q3 2025 in Review

910 of the 7,620 institutional investors tracked by Wall St. Rank reported a position in Atmos Energy (ATO) for Q3 2025, worth a combined $27.2B — up 10% from $24.7B a quarter earlier.

Buyers outnumbered sellers: 120 funds opened new ATO positions and 70 closed out — a net gain of 50 holders — while 359 added to existing stakes and 261 trimmed.

The largest buyer was Cohen & Steers, opening a new position worth an estimated $104M. The largest seller was Wellington Management Group, cutting an estimated $148M.

  • 910 institutional investors held Atmos Energy (ATO) as of Q3 2025, up from 869 in Q2 2025.
  • Funds reported $27.2B of Atmos Energy stock for Q3 2025, up 10% quarter-over-quarter.
  • 120 funds opened new Atmos Energy positions in Q3 2025 and 70 closed out, a net change of +50 holders.
  • The largest Atmos Energy buyer in Q3 2025 was Cohen & Steers, an estimated $104M added.
  • The largest Atmos Energy seller in Q3 2025 was Wellington Management Group, an estimated $148M sold.

Based on aggregated 13F filings for Q3 2025.