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392 hedge funds and large institutions have $4.5B invested in ONE Gas in 2025 Q3 according to their latest regulatory filings, with 44 funds opening new positions, 138 increasing their positions, 129 reducing their positions, and 32 closing their positions.

New
Increased
Maintained
Reduced
Closed

38% more first-time investments, than exits

New positions opened: 44 | Existing positions closed: 32

30% more call options, than puts

Call options by funds: $1.39M | Put options by funds: $1.07M

9% more capital invested

Capital invested by funds: $4.11B → $4.5B (+$382M)

2% more funds holding

Funds holding: 385392 (+7)

7% more repeat investments, than reductions

Existing positions increased: 138 | Existing positions reduced: 129

2.94% less ownership

Funds ownership: 95.53%92.58% (-2.9%)

100% less funds holding in top 10

Funds holding in top 10: 10 (-1)

Holders
392
Holders Change
+7
Holders Change %
+1.82%
% of All Funds
5.14%
Holding in Top 10
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-100%
% of All Funds
New
44
Increased
138
Reduced
129
Closed
32
Calls
$1.39M
Puts
$1.07M
Net Calls
+$323K
Net Calls Change
+$1.13M
Name Holding Trade Value Shares
Change
Change in
Stake
COPPSERS
51
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$10M +$188K +2,509 +2%
Swiss National Bank
52
Swiss National Bank
Switzerland
$9.79M +$494K +6,600 +6%
ClearBridge Investments
53
ClearBridge Investments
New York
$9.5M +$181K +2,411 +2%
AQR Capital Management
54
AQR Capital Management
Connecticut
$8.64M +$5.26M +70,168 +192%
MYAM
55
Meiji Yasuda Asset Management
Japan
$8.49M -$105K -1,402 -1%
Allianz Asset Management
56
Allianz Asset Management
Germany
$8.34M +$1.46M +19,522 +23%
First Eagle Investment Management
57
First Eagle Investment Management
New York
$8.22M +$41.2K +550 +0.5%
Jane Street
58
Jane Street
New York
$7.3M -$3.13M -41,738 -32%
Hotchkis & Wiley Capital Management
59
Hotchkis & Wiley Capital Management
California
$6.91M +$6.4M +85,388 New
Canada Life
60
Canada Life
Manitoba, Canada
$6.73M +$241K +3,212 +4%
Deutsche Bank
61
Deutsche Bank
Germany
$6.57M +$842K +11,242 +16%
HA
62
Heartland Advisors
Wisconsin
$6.51M +$416K +5,548 +7%
HAI
63
Hennessy Advisors Inc
California
$6.38M -$884K -11,800 -13%
GCM
64
Greenland Capital Management
New York
$6.08M +$2.59M +34,610 +85%
HSBC Holdings
65
HSBC Holdings
United Kingdom
$5.97M -$4.16M -55,573 -43%
ACB
66
Aristotle Capital Boston
Massachusetts
$5.96M +$5.51M +73,607 New
Ameriprise
67
Ameriprise
Minnesota
$5.67M +$572K +7,637 +12%
SPS
68
Susquehanna Portfolio Strategies
Pennsylvania
$5.58M -$4.42M -58,995 -46%
New York State Teachers Retirement System (NYSTRS)
69
New York State Teachers Retirement System (NYSTRS)
New York
$5.45M
CSS
70
Cubist Systematic Strategies
Connecticut
$5.42M -$12M -160,582 -71%
MIM
71
MetLife Investment Management
New Jersey
$5.25M -$160K -2,136 -3%
Capital Fund Management (CFM)
72
Capital Fund Management (CFM)
France
$5.24M +$2.93M +39,182 +153%
Manulife (Manufacturers Life Insurance)
73
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$4.99M -$259K -3,455 -5%
T. Rowe Price Associates
74
T. Rowe Price Associates
Maryland
$4.98M +$263K +3,517 +6%
SEI Investments
75
SEI Investments
Pennsylvania
$4.83M +$1.93M +25,826 +76%

OGS Hedge Fund Activity: Q3 2025 in Review

392 of the 7,620 institutional investors tracked by Wall St. Rank reported a position in ONE Gas (OGS) for Q3 2025, worth a combined $4.5B — up 9.3% from $4.11B a quarter earlier.

Buyers outnumbered sellers: 44 funds opened new OGS positions and 32 closed out — a net gain of 12 holders — while 138 added to existing stakes and 129 trimmed.

The largest buyer was Goldman Sachs, adding an estimated $24.8M. The largest seller was DZ Bank, cutting an estimated $36.8M.

  • 392 institutional investors held ONE Gas (OGS) as of Q3 2025, up from 385 in Q2 2025.
  • Funds reported $4.5B of ONE Gas stock for Q3 2025, up 9.3% quarter-over-quarter.
  • 44 funds opened new ONE Gas positions in Q3 2025 and 32 closed out, a net change of +12 holders.
  • The largest ONE Gas buyer in Q3 2025 was Goldman Sachs, an estimated $24.8M added.
  • The largest ONE Gas seller in Q3 2025 was DZ Bank, an estimated $36.8M sold.

Based on aggregated 13F filings for Q3 2025.