ONE Gas, Inc. (OGS) — Institutional Holders, Q2 2026

432 institutional investment managers reported a OGS position on SEC Form 13F-HR for the quarter ended June 30, 2026, with a combined reported value of $4.5B. Every filer is listed below, ranked by position value, 100 per page; this page shows ranks 1 to 100. Put and call option positions are excluded, and a firm filing several lots or share classes is shown once with its total.

← OGS stock profile

OGS in Q2 2026: what funds did

Funds that filed a 13F for both Q1 2026 and Q2 2026, by what they did with the common stock. Share counts are adjusted for any split between the two quarters; dollar figures are the change in shares at this quarter’s price.

New positions

Added to

179

Trimmed

111

Sold out

Biggest buyers

AQR CAPITAL MANAGEMENTAdded · +613,651 sh+$47.3M
Energy Income PartnersAdded · +432,880 sh+$33.4M
GEODE CAPITAL MANAGEMENTAdded · +376,808 sh+$29.0M
ExodusPoint Capital ManagementAdded · +372,573 sh+$28.7M
Point72 Asset Management, L.P.Added · +246,288 sh+$19.0M

Biggest sellers

WELLINGTON MANAGEMENT GROUP LLPTrimmed · -1,954,954 sh-$150.7M
NuveenTrimmed · -306,373 sh-$23.6M
DEUTSCHE BANK AG\Trimmed · -286,905 sh-$22.1M
Man Group plcTrimmed · -154,358 sh-$11.9M
Squarepoint OpsTrimmed · -140,532 sh-$10.8M

OGS 13F holders ranked 1–100 of 432

Institutional investors reporting a position in ONE Gas, Inc. on SEC Form 13F-HR for Q2 2026, ranked by reported value.
#	Institution	Shares	Value	% of portfolio	QoQShares vs Q1 2026
1	BlackRock#1 · 9,099,077 sh	9,099,077	$701.3M	0.01%	-0.2%
2	VANGUARD PORTFOLIO MANAGEMENT#2 · 3,716,434 sh	3,716,434	$286.4M	0.01%	+3.5%
3	AMERICAN CENTURY COMPANIES#3 · 3,543,229 sh	3,543,229	$273.1M	0.12%	+5.0%
4	STATE STREET#4 · 3,268,798 sh	3,268,798	$251.9M	<0.01%	+7.6%
5	VANGUARD CAPITAL MANAGEMENT#5 · 2,821,399 sh	2,821,399	$217.4M	<0.01%	+1.6%
6	GEODE CAPITAL MANAGEMENT#6 · 1,957,673 sh	1,957,673	$150.9M	<0.01%	+23.8%
7	T. Rowe Price Investment Management#7 · 1,858,002 sh	1,858,002	$143.2M	0.09%	-0.2%
8	Energy Income Partners#8 · 1,763,956 sh	1,763,956	$135.9M	2.14%	+32.5%
9	ALLIANCEBERNSTEIN L.P.#9 · 1,484,889 sh	1,484,889	$127.9M	0.04%	-2.0%
10	AQR CAPITAL MANAGEMENT#10 · 1,119,752 sh	1,119,752	$86.3M	0.03%	+121.3%
11	EARNEST PARTNERS#11 · 1,110,347 sh	1,110,347	$85.6M	0.31%	-3.7%
12	Boston Walden#12 · 1,045,444 sh	1,045,444	$80.6M	0.61%	-3.8%
13	DIMENSIONAL FUND ADVISORS#13 · 1,030,076 sh	1,030,076	$79.4M	0.01%	+1.8%
14	MORGAN STANLEY#14 · 1,022,683 sh	1,022,683	$78.8M	<0.01%	+15.7%
15	NORGES BANK#15 · 879,121 sh	879,121	$67.8M	<0.01%	—
16	NORTHERN#16 · 845,290 sh	845,290	$65.1M	<0.01%	+16.0%
17	GOLDMAN SACHS GROUP#17 · 807,222 sh	807,222	$62.2M	<0.01%	-14.6%
18	Qube Research & Technologies Ltd#18 · 794,066 sh	794,066	$61.2M	0.06%	-8.3%
19	CHARLES SCHWAB INVESTMENT MANAGEMENT#19 · 766,365 sh	766,365	$59.1M	<0.01%	+1.4%
20	Bank of New York Mellon#20 · 730,608 sh	730,608	$56.3M	<0.01%	-4.4%
21	FRANKLIN RESOURCES#21 · 718,962 sh	718,962	$55.4M	0.01%	-0.2%
22	VICTORY CAPITAL MANAGEMENT#22 · 693,785 sh	693,785	$53.5M	0.03%	+7.7%
23	WELLINGTON MANAGEMENT GROUP LLP#23 · 650,349 sh	650,349	$50.1M	<0.01%	-75.0%
24	ExodusPoint Capital Management#24 · 627,285 sh	627,285	$48.3M	0.31%	+146.3%
25	DUFF & PHELPS INVESTMENT MANAGEMENT#25 · 576,000 sh	576,000	$44.4M	0.42%	0.0%
26	FIRST ADVISORS#26 · 572,032 sh	572,032	$44.1M	0.03%	+3.6%
27	BANK OF AMERICA#27 · 571,048 sh	571,048	$44.0M	<0.01%	+13.5%
28	SILVERCREST ASSET MANAGEMENT GROUP#28 · 496,116 sh	496,116	$38.2M	0.25%	-6.2%
29	CBRE INVESTMENT MANAGEMENT LISTED REAL ASSETS#29 · 483,805 sh	483,805	$37.3M	0.52%	+30.3%
30	JPMORGAN CHASE#30 · 465,930 sh	465,930	$36.9M	<0.01%	+8.7%
31	VANGUARD FIDUCIARY#31 · 416,335 sh	416,335	$32.1M	<0.01%	+6.4%
32	ProShare Advisors#32 · 405,848 sh	405,848	$31.3M	0.05%	-1.3%
33	Nuveen#33 · 398,960 sh	398,960	$30.7M	<0.01%	-43.4%
34	Point72 Asset Management, L.P.#34 · 393,090 sh	393,090	$30.3M	0.03%	+167.8%
35	Rockefeller Capital Management L.P.#35 · 392,527 sh	392,527	$30.3M	0.05%	+0.4%
36	MASSACHUSETTS FINANCIAL SERVICES#36 · 369,339 sh	369,339	$28.5M	<0.01%	-4.9%
37	Invesco Ltd.#37 · 299,800 sh	299,800	$23.1M	<0.01%	-0.9%
38	Legal & General Group Plc#38 · 299,768 sh	299,768	$23.1M	<0.01%	+3.8%
39	FMR#39 · 291,441 sh	291,441	$22.5M	<0.01%	+170.9%
40	D. E. Shaw#40 · 280,660 sh	280,660	$21.6M	0.01%	+10.2%
41	RHUMBLINE ADVISERS#41 · 217,173 sh	217,173	$16.7M	0.01%	+7.6%
42	UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AME#42 · 196,427 sh	196,427	$15.1M	<0.01%	+3.4%
43	GABELLI FUNDS#43 · 190,800 sh	190,800	$14.7M	0.09%	0.0%
44	FEDERATED HERMES#44 · 186,454 sh	186,454	$14.4M	0.02%	+64.8%
45	WELLS FARGO & COMPANY#45 · 182,606 sh	182,606	$14.1M	<0.01%	+22.0%
46	Retirement Systems of Alabama#46 · 174,265 sh	174,265	$13.4M	0.04%	-4.7%
47	Cerity Partners#47 · 165,659 sh	165,659	$12.8M	0.02%	+395.4%
48	Squarepoint Ops#48 · 163,212 sh	163,212	$12.6M	0.01%	-46.3%
49	Freestone Grove Partners#49 · 161,501 sh	161,501	$12.4M	0.08%	+1088.5%
50	First Eagle Investment Management#50 · 160,764 sh	160,764	$12.4M	0.02%	+49.9%
51	Toroso Investments#51 · 160,107 sh	160,107	$12.3M	0.02%	+1.9%
52	UBS Group AG#52 · 153,854 sh	153,854	$11.9M	<0.01%	-30.7%
53	Crossmark Global#53 · 151,342 sh	151,342	$11.7M	—	+5065.3%
54	BTG Pactual Asset Management US#54 · 147,317 sh	147,317	$11.4M	0.71%	+39.9%
55	PRINCIPAL FINANCIAL GROUP#55 · 143,170 sh	143,170	$11.0M	<0.01%	+6.2%
56	EXCHANGE TRADED CONCEPTS#56 · 130,290 sh	130,290	$10.0M	0.05%	-16.0%
57	ENVESTNET ASSET MANAGEMENT#57 · 129,580 sh	129,580	$10.0M	<0.01%	+0.1%
58	Swiss National Bank#58 · 126,013 sh	126,013	$9.7M	<0.01%	+6.5%
59	CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM#59 · 123,844 sh	123,844	$9.5M	<0.01%	-18.6%
60	HOTCHKIS & WILEY CAPITAL MANAGEMENT#60 · 118,092 sh	118,092	$9.1M	0.03%	+2.2%
61	BOKF, NA#61 · 118,047 sh	118,047	$9.1M	0.13%	+6.4%
62	RENAISSANCE TECHNOLOGIES#62 · 110,900 sh	110,900	$8.5M	0.01%	New
63	Meiji Yasuda Asset Management Ltd.#63 · 108,420 sh	108,420	$8.4M	0.38%	+2.1%
64	ALGERT GLOBAL#64 · 107,690 sh	107,690	$8.3M	0.10%	+6.4%
65	TUDOR INVESTMENT ET AL#65 · 100,785 sh	100,785	$7.8M	0.01%	-22.2%
66	COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS#66 · 100,360 sh	100,360	$7.7M	0.04%	-5.7%
67	Campbell & Investment Adviser#67 · 98,346 sh	98,346	$7.6M	0.40%	+782.5%
68	Lighthouse Investment Partners#68 · 94,726 sh	94,726	$7.3M	0.20%	New
69	Aventail Capital Group#69 · 93,589 sh	93,589	$7.2M	0.41%	+60.2%
70	Aristotle Capital Boston#70 · 92,979 sh	92,979	$7.2M	0.48%	-5.2%
71	NATIXIS#71 · 90,700 sh	90,700	$7.0M	0.03%	+1295.4%
72	GREAT WEST LIFE ASSURANCE#72 · 87,782 sh	87,782	$6.8M	0.01%	+8.2%
73	PRICE T ROWE ASSOCIATES#73 · 87,037 sh	87,037	$6.7M	<0.01%	+19.1%
74	DEUTSCHE BANK AG\#74 · 86,798 sh	86,798	$6.7M	<0.01%	-76.8%
75	HENNESSY ADVISORS#75 · 83,175 sh	83,175	$6.4M	0.20%	+9.3%
76	XTX Topco Ltd#76 · 83,067 sh	83,067	$6.4M	0.08%	+341.7%
77	MARTINGALE ASSET MANAGEMENT L P#77 · 81,800 sh	81,800	$6.3M	0.15%	+12.3%
78	HEARTLAND ADVISORS#78 · 75,438 sh	75,438	$5.8M	0.26%	-6.2%
79	PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO#79 · 73,699 sh	73,699	$5.7M	0.02%	+968.3%
80	CAPITAL FUND MANAGEMENT S.A.#80 · 72,044 sh	72,044	$5.6M	0.02%	+23.5%
81	AMERIPRISE FINANCIAL#81 · 71,314 sh	71,314	$5.5M	<0.01%	+2.6%
82	NEW YORK STATE TEACHERS RETIREMENT SYSTEM#82 · 68,904 sh	68,904	$5.3M	—	-3.2%
83	MetLife Investment Management#83 · 66,291 sh	66,291	$5.1M	0.02%	+8.2%
84	Schonfeld Strategic Advisors#84 · 63,896 sh	63,896	$4.9M	0.02%	+1439.7%
85	INTECH INVESTMENT MANAGEMENT#85 · 62,364 sh	62,364	$4.8M	0.04%	+53.4%
86	Elo Mutual Pension Insurance#86 · 61,502 sh	61,502	$4.7M	0.06%	+234.9%
87	Creative Planning#87 · 60,127 sh	60,127	$4.6M	<0.01%	+27.0%
88	Greenland Capital Management#88 · 60,070 sh	60,070	$4.6M	0.57%	+253.4%
89	CITIGROUP#89 · 59,770 sh	59,770	$4.6M	<0.01%	+139.0%
90	Maryland State Retirement & Pension System#90 · 59,329 sh	59,329	$4.6M	0.08%	+10.3%
91	RAYMOND JAMES FINANCIAL#91 · 59,212 sh	59,212	$4.6M	<0.01%	-0.7%
92	Russell Investments Group, Ltd.#92 · 59,158 sh	59,158	$4.6M	<0.01%	+71.8%
93	Magellan Asset Management Ltd#93 · 59,113 sh	59,113	$4.6M	0.10%	+2.4%
94	Mariner#94 · 58,169 sh	58,169	$4.5M	<0.01%	+65.3%
95	MANUFACTURERS LIFE INSURANCE COMPANY, THE#95 · 58,085 sh	58,085	$4.5M	<0.01%	+2.9%
96	VANGUARD ASSET MANAGEMENT, Ltd#96 · 57,595 sh	57,595	$4.4M	<0.01%	+25.6%
97	Connor, Clark & Lunn Investment Management Ltd.#97 · 56,264 sh	56,264	$4.3M	<0.01%	+5.3%
98	JUPITER ASSET MANAGEMENT LTD#98 · 54,703 sh	54,703	$4.2M	0.02%	New
99	Holocene Advisors#99 · 54,450 sh	54,450	$4.2M	<0.01%	+169.1%
100	Quantbot Technologies#100 · 54,035 sh	54,035	$4.2M	0.16%	New

Funds that sold out of OGS in Q2 2026 (50)

Held OGS at the end of Q1 2026 and filed a Q2 2026 13F without it. Not in the list above, because they no longer hold it. Largest prior position first.

Institutions that held OGS in Q1 2026 and reported no position in Q2 2026.
Institution	Shares sold	Value in Q1 2026
Clearbridge Investments98,722 sh	98,722	$8.5M
TWO SIGMA INVESTMENTS79,166 sh	79,166	$6.8M
VOLORIDGE INVESTMENT MANAGEMENT61,561 sh	61,561	$5.3M
HSBC PLC38,616 sh	38,616	$3.3M
Dynamic Technology Lab Private Ltd18,597 sh	18,597	$1.6M
INCEPTIONR15,685 sh	15,685	$1.4M
ONTARIO TEACHERS PENSION PLAN BOARD12,508 sh	12,508	$1.1M
CAPSTONE INVESTMENT ADVISORS10,075 sh	10,075	$867.8K
Aquatic Capital Management7,159 sh	7,159	$616.6K
Polymer Capital Management (US)6,783 sh	6,783	$584.2K
Triune Financial Partners6,319 sh	6,319	$544.2K
nVerses Capital5,910 sh	5,910	$509.0K
DARK FOREST CAPITAL MANAGEMENT5,480 sh	5,480	$472.0K
DRW Securities4,898 sh	4,898	$421.9K
CANADA PENSION PLAN INVESTMENT BOARD4,500 sh	4,500	$387.6K
Empowered Funds4,431 sh	4,431	$381.6K
Odyssean4,424 sh	4,424	$381.0K
GSA CAPITAL PARTNERS LLP4,341 sh	4,341	$374.0K
R Squared Ltd4,323 sh	4,323	$372.3K
111 Capital3,791 sh	3,791	$326.5K
Blueshift Asset Management3,647 sh	3,647	$314.1K
AVIVA PLC3,421 sh	3,421	$294.7K
RITHOLTZ WEALTH MANAGEMENT2,878 sh	2,878	$247.9K
COLDSTREAM CAPITAL MANAGEMENT2,819 sh	2,819	$242.8K
Financiere des Professionnels - Fonds d,investissement2,778 sh	2,778	$239.3K
Brucke Financial2,664 sh	2,664	$229.4K
Douglass Winthrop Advisors2,500 sh	2,500	$215.3K
Oxler Private Wealth2,439 sh	2,439	$210.1K
Hudson Bay Capital Management2,400 sh	2,400	$206.7K
Vident Advisory2,352 sh	2,352	$202.6K
SEEDS INVESTOR2,253 sh	2,253	$200.4K
MEEDER ASSET MANAGEMENT2,050 sh	2,050	$176.6K
Wealth Preservation Advisors1,036 sh	1,036	$89.2K
Bayforest Capital Ltd980 sh	980	$84.4K
Advisory Services Network330 sh	330	$28.4K
Sound Income Strategies212 sh	212	$18.4K
Destiny Wealth Partners175 sh	175	$15.1K
Western Wealth Management125 sh	125	$10.8K
Root Financial Partners105 sh	105	$9.0K
PRIVATE NA80 sh	80	$6.9K
Pinnacle Wealth Planning Services79 sh	79	$6.8K
MassMutual Private Wealth & , FSB49 sh	49	$4.2K
Scarborough Advisors33 sh	33	$2.9K
Transamerica Financial Advisors27 sh	27	$2.3K
TD Capital Management24 sh	24	$2.1K
TWIN PEAKS WEALTH ADVISORS13 sh	13	$1.1K
Wall Street Financial Group7 sh	7	$603.00
Vermillion Wealth Management2 sh	2	$172.00
RAFFA WEALTH MANAGEMENT1 sh	1	$86.00
CURIO WEALTH1 sh	1	$86.00

Source: Form 13F-HR filings on SEC EDGAR, Q2 2026. Values are as reported by each manager at quarter end. “% of portfolio” is the position’s share of the manager’s total reported 13F value for the same quarter. “New” means the manager filed a 13F for Q1 2026 without this position; a dash means no comparison is available. Where a manager’s own filing is internally inconsistent its value is withheld and it is listed last. 13F data shows reported holdings, not recommendations.