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Equibles

OGS

ONE Gas, Inc.

Company with tickers: OGS

CIK
1587732
CUSIP
68235P108
Shares Outstanding
62,762,533
13F Activity (30d)
277 filings 273 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 425
Total Value: $4,847,367,418
Total Shares: 56,279,667
Showing 1–100 of 427 holdings by value · page 1 of 5

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 425 13F filers · Δ vs Dec 31, 2025
Top Holder
16.2%
Jun 2023 → Mar 2026 · range 13.4% – 16.2%
+1.0 pts
Top 5
38.9%
Jun 2023 → Mar 2026 · range 38.9% – 47.2%
−4.4 pts
Top 10
54.7%
Jun 2023 → Mar 2026 · range 54.7% – 60.3%
−2.1 pts
HHI
486
Jun 2023 → Mar 2026 · range 486 – 588
Broadly held −43

Quarterly Activity

vs Dec 31, 2025
New
64
Increased
148
Decreased
128
Sold Out
42
Unchanged
85
Holder count: +22
Institutional value: +9.0%
Shares held: -2.3%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Large Qube Research & Technologies Ltd +460,930 866,242
Mega AQR CAPITAL MANAGEMENT LLC +384,481 506,101
Mega BlackRock, Inc. +345,193 9,115,076
Mega FMR LLC +98,337 107,589
Mega GEODE CAPITAL MANAGEMENT, LLC +90,056 1,580,865

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Mega WELLINGTON MANAGEMENT GROUP LLP −594,653 2,605,303
Mega GOLDMAN SACHS GROUP INC −453,649 944,791
Mega ALLIANCEBERNSTEIN L.P. −184,900 1,515,835
Mega JPMORGAN CHASE & CO −181,275 428,658
Large Squarepoint Ops LLC −139,349 303,744

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mega VANGUARD PORTFOLIO MANAGEMENT LLC 3,589,993 $309,206,097
Mega VANGUARD CAPITAL MANAGEMENT LLC 2,776,005 $239,097,310
Mega VANGUARD FIDUCIARY TRUST CO 391,412 $33,712,315
Mid CBRE INVESTMENT MANAGEMENT LISTED REAL ASSETS LLC 371,334 $31,982,997
Mega TWO SIGMA INVESTMENTS, LP 79,166 $6,818,567

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Mega VANGUARD GROUP INC 6,489,014 $501,276,329
Mega NORGES BANK 916,079 $70,767,102
Mid SIR Capital Management, L.P. 162,523 $12,554,901
Large MARSHALL WACE, LLP 81,594 $6,303,135
Small Ausbil Investment Management Ltd 45,451 $3,511,089
Filter: New 64 Increased 148 Reduced 128 Sold out 42 Unchanged 85
Showing 100 of 427
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Mega BlackRock, Inc. $785,081,490 16.20% 9,115,076
Mega VANGUARD PORTFOLIO MANAGEMENT LLC $309,206,097 6.38% 3,589,993
Mega AMERICAN CENTURY COMPANIES INC $290,722,599 6.00% 3,375,393
Mega STATE STREET CORP $261,566,905 5.40% 3,036,885
Mega VANGUARD CAPITAL MANAGEMENT LLC $239,097,310 4.93% 2,776,005
Mega WELLINGTON MANAGEMENT GROUP LLP $224,394,745 4.63% 2,605,303
Mega T. Rowe Price Investment Management, Inc. $160,370,787 3.31% 1,861,962
Mega GEODE CAPITAL MANAGEMENT, LLC $136,159,901 2.81% 1,580,865
Mega ALLIANCEBERNSTEIN L.P. $130,558,868 2.69% 1,515,835
Mid Energy Income Partners, LLC $114,645,575 2.37% 1,331,076
Large EARNEST PARTNERS LLC $99,318,914 2.05% 1,153,128
Large Boston Trust Walden Corp $93,559,487 1.93% 1,086,259
Mega DIMENSIONAL FUND ADVISORS LP $87,110,414 1.80% 1,011,383
Mega GOLDMAN SACHS GROUP INC $81,374,847 1.68% 944,791
Mega MORGAN STANLEY $76,104,376 1.57% 883,599
Large Qube Research & Technologies Ltd $74,609,423 1.54% 866,242
Mega Bank of New York Mellon Corp Bank $65,792,718 1.36% 763,877
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $65,067,080 1.34% 755,452
Mega NORTHERN TRUST CORP Bank $62,777,312 1.30% 728,867
Mega FRANKLIN RESOURCES INC $62,029,704 1.28% 720,187
Mega Nuveen, LLC $60,750,330 1.25% 705,333
Mega VICTORY CAPITAL MANAGEMENT INC $55,482,017 1.14% 644,166
Mid DUFF & PHELPS INVESTMENT MANAGEMENT CO $49,610,880 1.02% 576,000
Mega FIRST TRUST ADVISORS LP $47,573,991 0.98% 552,351
Large SILVERCREST ASSET MANAGEMENT GROUP LLC $45,576,550 0.94% 529,160
Mega AQR CAPITAL MANAGEMENT LLC $43,590,475 0.90% 506,101
Mega BANK OF AMERICA CORP /DE/ Bank $43,348,278 0.89% 503,289
Mega JPMORGAN CHASE & CO $36,920,311 0.76% 428,658
Large ProShare Advisors LLC $35,420,876 0.73% 411,249
Mega VANGUARD FIDUCIARY TRUST CO Bank $33,712,315 0.70% 391,412
Large Rockefeller Capital Management L.P. $33,682,598 0.69% 391,067
Mega MASSACHUSETTS FINANCIAL SERVICES CO /MA/ $33,461,246 0.69% 388,497
Mega DEUTSCHE BANK AG\ Bank $32,187,037 0.66% 373,703
Mid CBRE INVESTMENT MANAGEMENT LISTED REAL ASSETS LLC $31,982,997 0.66% 371,334
Large Squarepoint Ops LLC $26,161,470 0.54% 303,744
Mega Invesco Ltd. $26,053,201 0.54% 302,487
Mega Legal & General Group Plc $24,882,353 0.51% 288,893
Large ExodusPoint Capital Management, LP $21,938,344 0.45% 254,712
Mega D. E. Shaw & Co., Inc. $21,934,640 0.45% 254,669
Mega UBS Group AG $19,125,079 0.39% 222,049
Mega RHUMBLINE ADVISERS $17,381,292 0.36% 201,803
Large GABELLI FUNDS LLC $16,433,604 0.34% 190,800
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $16,355,478 0.34% 189,893
Large Man Group plc $15,927,676 0.33% 184,926
Large Retirement Systems of Alabama Pension $15,753,693 0.32% 182,906
Large Tidal Investments LLC $13,538,602 0.28% 157,188
Mid EXCHANGE TRADED CONCEPTS, LLC $13,367,116 0.28% 155,197
Mega California Public Employees Retirement System Pension $13,102,698 0.27% 152,127
Mega WELLS FARGO & COMPANY/MN $12,894,693 0.27% 149,712
Large Point72 Asset Management, L.P. $12,644,056 0.26% 146,802
Mega PRINCIPAL FINANCIAL GROUP INC $11,612,477 0.24% 134,825
Large TUDOR INVESTMENT CORP ET AL $11,162,361 0.23% 129,599
Mega ENVESTNET ASSET MANAGEMENT INC $11,144,016 0.23% 129,386
Mega Swiss National Bank Bank $10,190,298 0.21% 118,313
Large HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC $9,955,077 0.21% 115,582
Large FEDERATED HERMES, INC. $9,745,178 0.20% 113,145
Mid BOKF, NA $9,552,332 0.20% 110,906
Mega FMR LLC $9,266,639 0.19% 107,589
Large First Eagle Investment Management, LLC $9,238,648 0.19% 107,264
Large COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS $9,165,954 0.19% 106,420
Mid Meiji Yasuda Asset Management Co Ltd. $9,146,230 0.19% 106,191
Small BTG Pactual Asset Management US LLC $9,067,594 0.19% 105,278
Mid ALGERT GLOBAL LLC $8,714,633 0.18% 101,180
Mega Clearbridge Investments, LLC $8,502,925 0.18% 98,722
Mid Aristotle Capital Boston, LLC $8,443,754 0.17% 98,035
Mega JANE STREET GROUP, LLC $7,126,395 0.15% 82,740
Large CANADA LIFE ASSURANCE Co Insurance $6,990,655 0.14% 81,164
Mid HEARTLAND ADVISORS INC $6,928,124 0.14% 80,438
Large Allianz Asset Management GmbH $6,869,212 0.14% 79,754
Large SEI INVESTMENTS CO $6,852,933 0.14% 79,565
Large SG Americas Securities, LLC Broker-Dealer $6,838,549 0.14% 79,398
Mega TWO SIGMA INVESTMENTS, LP $6,818,567 0.14% 79,166
Mid HENNESSY ADVISORS INC $6,552,339 0.14% 76,075
Mega PRICE T ROWE ASSOCIATES INC /MD/ $6,292,916 0.13% 73,063
Mid MARTINGALE ASSET MANAGEMENT L P $6,271,555 0.13% 72,815
Mega BARCLAYS PLC $6,263,545 0.13% 72,722
Mid Susquehanna Portfolio Strategies, LLC $6,144,255 0.13% 71,337
Large NEW YORK STATE TEACHERS RETIREMENT SYSTEM Pension $6,127,804 0.13% 71,146
Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension $6,066,135 0.13% 70,430
Mega AMERIPRISE FINANCIAL INC $5,987,929 0.12% 69,522
Large PANAGORA ASSET MANAGEMENT INC $5,606,029 0.12% 65,088
Large VOLORIDGE INVESTMENT MANAGEMENT, LLC $5,302,248 0.11% 61,561
Large MetLife Investment Management, LLC $5,274,601 0.11% 61,240
Mega RAYMOND JAMES FINANCIAL INC $5,134,467 0.11% 59,613
Mid Aventail Capital Group, LP $5,032,748 0.10% 58,432
Large CAPITAL FUND MANAGEMENT S.A. $5,023,532 0.10% 58,325
Mid Magellan Asset Management Ltd $4,972,371 0.10% 57,731
Large Aberdeen Group plc $4,914,749 0.10% 57,062
Mega MANUFACTURERS LIFE INSURANCE COMPANY, THE Insurance $4,860,918 0.10% 56,437
Mid Maryland State Retirement & Pension System Pension $4,634,224 0.10% 53,805
Large Connor, Clark & Lunn Investment Management Ltd. $4,600,289 0.09% 53,411
Mid Y-Intercept (Hong Kong) Ltd $4,166,021 0.09% 48,369
Large Creative Planning $4,077,308 0.08% 47,339
Mega VANGUARD ASSET MANAGEMENT, Ltd $3,950,696 0.08% 45,869
Large MACQUARIE GROUP LTD $3,874,041 0.08% 44,979
Large Vanguard Investments Australia, Ltd. $3,850,786 0.08% 44,709
Large CAPTRUST FINANCIAL ADVISORS $3,783,777 0.08% 43,931
Mid INTECH INVESTMENT MANAGEMENT LLC $3,501,012 0.07% 40,648
Mid GAMCO INVESTORS, INC. ET AL $3,420,394 0.07% 39,712
Mid OCCUDO QUANTITATIVE STRATEGIES LP $3,352,265 0.07% 38,921

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