StockData
SMCNYSENatural Gas TransmissionFiscal year ends December 31

Summit Midstream Corp

Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 10, 2026
$30.23−0.47 (-1.53%)

Close on Oct 19, 2026

Market cap
$424.58M
P/E (TTM)
–
Dividend yield
–

Ownership

Institutional holdings as of Jun 30, 2026, from 13F filings

Held by institutions
27.8%
6M of 20M shares
Institutional holders
75
12 new, 10 sold out
Net institutional buying
0M
In Q2 2026
Insider trades, 12 months
1 buys · 2 sales
Net bought $37.55M

Shares held by institutions

Holders of more than 5%

Latest Schedule 13D (active) or 13G (passive) filed by each holder

HolderShares% of classFilingAs of
Invesco Ltd.957,0267.80%13G (passive) amendmentMar 31, 2025
Edward Herring7,891,86439.10%13D (active) amendmentMar 31, 2026
Tailwater Energy Fund III LP6,670,94635.50%13D (active) amendmentAug 28, 2025
Jason H. Downie6,644,62735.40%13D (active) amendmentAug 26, 2025
He Zhengxu––13G (passive) amendmentDec 31, 2025

Top institutional holders

13F holdings as of Jun 30, 2026

HolderShares% of SMCValueChange% of portfolio
Invesco Ltd.967,5034.76%$27.55M−1,8960.00%
Deltroit Asset Management (UK) LLP815,0004.01%$23.21M+107,9443.34%
BlackRock, Inc.658,6243.24%$18.76M+9,2330.00%
Vanguard Capital Management LLC511,4242.52%$14.57M+5,2530.00%
Eagle Global Advisors LLC263,0861.30%$7.49M+36,2880.25%
Geode Capital Management, LLC247,6371.22%$7.05M+14,6150.00%
State Street Corp184,5460.91%$5.26M+5,9390.00%
Flat Footed LLC158,5170.78%$4.51M+34,2390.35%
American Century Companies Inc155,1190.76%$4.42M+32,6980.00%
Charles Schwab Investment Management Inc122,8530.60%$3.50M−51,4720.00%
Bridgeway Capital Management, LLC119,5530.59%$3.40M+1,7570.06%
Bank Of America Corp /De/118,6360.58%$3.38M−35,9040.00%
Empowered Funds, LLC91,5530.45%$2.61M+1,7570.01%
Liberty Mutual Group Asset Management Inc.84,8400.42%$2.42M–0.21%
Morgan Stanley80,7610.40%$2.30M−15,4830.00%
Northern Trust Corp75,6750.37%$2.16M+5,3840.00%
Vanguard Fiduciary Trust Co68,6410.34%$1.95M−2,7660.00%
Citadel Advisors LLC63,9100.31%$1.82M+54,6770.00%
Vanguard Portfolio Management LLC59,7600.29%$1.70M+10,1000.00%
Farallon Capital Management LLC58,2140.29%$1.66M–0.01%

Institutional buying and selling by quarter

Positions opened, added to, reduced and closed by 13F filers

QuarterHoldersShares held% of sharesNew / addedReduced / closedShares boughtShares sold
Q2 2026756M27.8%12 / 2918 / 101M0M
Q1 2026735M26.9%15 / 2126 / 61M1M
Q4 2025656M28.5%11 / 2319 / 101M0M
Q3 2025645M23.2%11 / 2219 / 90M0M
Q2 2025625M23.0%22 / 1814 / 211M1M
Q1 2025614M22.0%10 / 2716 / 71M1M
Q4 2024594M19.3%28 / 129 / 31M1M
Q3 2024344M18.0%34 / 00 / 04M0M

Top mutual fund and ETF holders

Latest monthly portfolio reports (Form N-PORT)

FundShares% of SMCValue% of fundAs of
Invesco SteelPath MLP Income Fund738,6293.64%$19.68M0.44%May 31, 2026
Vanguard Total Stock Market Index Fund379,1971.87%$10.80M0.00%Jun 30, 2026
Invesco SteelPath MLP Select 40 Fund214,7231.06%$5.72M0.25%May 31, 2026
iShares Russell 2000 ETF210,8241.04%$6.00M0.01%Jun 30, 2026
Avantis U.S. Small Cap Value ETF130,0070.64%$3.46M0.01%May 31, 2026
Vanguard Extended Market Index Fund120,8760.60%$3.44M0.00%Jun 30, 2026
Schwab Fundamental U.S. Small Company ETF105,0880.52%$2.80M0.03%May 31, 2026
Eagle Energy Infrastructure Fund96,5600.48%$2.98M1.10%Jul 31, 2026
Fidelity Small Cap Index Fund94,6990.47%$2.92M0.01%Jul 31, 2026
EA Bridgeway Omni Small-Cap Value ETF91,5530.45%$2.61M0.11%Jun 30, 2026
iShares Russell 2000 Value ETF74,2370.37%$2.11M0.01%Jun 30, 2026
Fidelity Extended Market Index Fund54,8570.27%$1.46M0.00%May 31, 2026
Vanguard Russell 2000 Index Fund44,5200.22%$1.19M0.01%May 31, 2026
iShares Micro-Cap ETF29,8010.15%$848.73K0.06%Jun 30, 2026
Omni Small-Cap Value Fund28,0000.14%$797.44K0.06%Jun 30, 2026

Officers, directors and major owners

People who filed Forms 3, 4 or 5 in the last two years

NameRoleShares owned% of sharesLatest filing
James David JohnstonExecutive VP, GC, CCO and Secy75,3570.37%Jul 6, 2026
J. Heath DenekeChairman, President and CEO342,3931.69%Mar 17, 2026
Matthew B. SicinskiSenior VP and CAO39,5050.19%Mar 17, 2026
William J. MaultExecutive VP and CFO87,1100.43%Mar 17, 2026
Jerry L. PetersDirector16,9790.08%May 21, 2026
Edward HerringDirector, 10% owner1,367,3976.73%Apr 13, 2026
Jason H. DownieDirector, 10% owner––Apr 13, 2026
James J. ClearyDirector37,0040.18%Mar 18, 2026
Carolyn J. StoneDirector3,7330.02%Mar 18, 2026
Rommel OatesDirector26,1700.13%Mar 18, 2026
James Lee JacobeDirector45,6860.22%Mar 18, 2026
Robert Joseph McNallyDirector37,0040.18%Mar 18, 2026
Rommel M. OatesDirector22,4370.11%Mar 18, 2025
Marguerite Woung-ChapmanDirector33,2710.16%Mar 18, 2025
Stephen Martin Lipscomb JrDirector––Dec 12, 2024
Andrew Arthur WinstonDirector––Dec 12, 2024
Connect Midstream, LLC10% owner6,524,46732.13%Apr 13, 2026
Capital LLC Tailwater10% owner146,4790.72%Apr 13, 2026
Energy Fund III LP Tailwater10% owner––Apr 13, 2026

Insider trades

Common stock transactions reported on Form 4, newest first

InsiderDateTransactionSharesPriceValueShares after
James David Johnston
Executive VP, GC, CCO and Secy
Jul 2, 2026Sale(10b5-1 plan)−2,600$29.72$77.27K75,357
Jerry L. Peters
Director
May 19, 2026Sale−10,000$32.00$320.00K16,979
Jerry L. Peters
Director
Apr 20, 2026Gift+3,733––26,979
Jerry L. Peters
Director
Apr 20, 2026Gift−3,733––0
Edward Herring
Director, 10% owner
Mar 31, 2026Buy+1,220,918$31.08$37.95M1,367,397
Carolyn J. Stone
Director
Mar 16, 2026Award+3,733––3,733
Rommel Oates
Director
Mar 16, 2026Award+3,733––26,170
James J. Cleary
Director
Mar 16, 2026Award+3,733––37,004
Robert Joseph McNally
Director
Mar 16, 2026Award+3,733––37,004
Jerry L. Peters
Director
Mar 16, 2026Award+3,733––3,733
James Lee Jacobe
Director
Mar 16, 2026Award+3,733––45,686
William J. Mault
Executive VP and CFO
Mar 13, 2026Option exercise+16,522––87,110
William J. Mault
Executive VP and CFO
Mar 13, 2026Tax withholding−3,362$30.29$101.83K88,694
William J. Mault
Executive VP and CFO
Mar 13, 2026Tax withholding−6,502$30.29$196.95K80,608
William J. Mault
Executive VP and CFO
Mar 13, 2026Option exercise+4,793––85,401
William J. Mault
Executive VP and CFO
Mar 13, 2026Tax withholding−1,887$30.29$57.16K83,514
William J. Mault
Executive VP and CFO
Mar 13, 2026Option exercise+8,542––92,056
James David Johnston
Executive VP, GC, CCO and Secy
Mar 13, 2026Tax withholding−1,831$30.29$55.46K72,018
James David Johnston
Executive VP, GC, CCO and Secy
Mar 13, 2026Option exercise+18,977––76,664
James David Johnston
Executive VP, GC, CCO and Secy
Mar 13, 2026Tax withholding−3,854$30.29$116.74K77,957
James David Johnston
Executive VP, GC, CCO and Secy
Mar 13, 2026Option exercise+9,793––81,811
James David Johnston
Executive VP, GC, CCO and Secy
Mar 13, 2026Option exercise+4,653––73,849
James David Johnston
Executive VP, GC, CCO and Secy
Mar 13, 2026Tax withholding−7,468$30.29$226.21K69,196
Matthew B. Sicinski
Senior VP and CAO
Mar 13, 2026Tax withholding−773$30.29$23.41K39,505
Matthew B. Sicinski
Senior VP and CAO
Mar 13, 2026Option exercise+3,174––40,278
Matthew B. Sicinski
Senior VP and CAO
Mar 13, 2026Tax withholding−368$30.29$11.15K37,104
Matthew B. Sicinski
Senior VP and CAO
Mar 13, 2026Option exercise+1,511––37,472
Matthew B. Sicinski
Senior VP and CAO
Mar 13, 2026Tax withholding−1,525$30.29$46.19K35,961
Matthew B. Sicinski
Senior VP and CAO
Mar 13, 2026Option exercise+6,139––37,486
J. Heath Deneke
Chairman, President and CEO
Mar 13, 2026Option exercise+15,875––342,393
J. Heath Deneke
Chairman, President and CEO
Mar 13, 2026Tax withholding−11,811$30.29$357.76K354,350
J. Heath Deneke
Chairman, President and CEO
Mar 13, 2026Option exercise+58,049––348,757
J. Heath Deneke
Chairman, President and CEO
Mar 13, 2026Tax withholding−6,247$30.29$189.22K336,146
J. Heath Deneke
Chairman, President and CEO
Mar 13, 2026Option exercise+30,015––366,161
J. Heath Deneke
Chairman, President and CEO
Mar 13, 2026Tax withholding−22,239$30.29$673.62K326,518
Matthew B. Sicinski
Senior VP and CAO
Jan 16, 2026Option exercise+3,593––32,413
Matthew B. Sicinski
Senior VP and CAO
Jan 16, 2026Tax withholding−1,066$26.81$28.58K31,347
James David Johnston
Executive VP, GC, CCO and Secy
Jan 16, 2026Option exercise+10,794––60,610
James David Johnston
Executive VP, GC, CCO and Secy
Jan 16, 2026Tax withholding−2,923$26.81$78.37K57,687
William J. Mault
Executive VP and CFO
Jan 16, 2026Tax withholding−2,757$26.81$73.92K70,588
William J. Mault
Executive VP and CFO
Jan 16, 2026Option exercise+10,121––73,345
J. Heath Deneke
Chairman, President and CEO
Jan 16, 2026Option exercise+32,754––298,924
J. Heath Deneke
Chairman, President and CEO
Jan 16, 2026Tax withholding−8,216$26.81$220.27K290,708
Capital LLC Tailwater
10% owner
Aug 28, 2025Buy+26,319$20.89$549.80K146,479
Capital LLC Tailwater
10% owner
Aug 27, 2025Buy+47,401$20.50$971.72K120,160
Capital LLC Tailwater
10% owner
Aug 26, 2025Buy+72,759$20.46$1.49M72,759
Jerry L. Peters
Director
Apr 24, 2025Gift−3,062––0
J. Heath Deneke
Chairman, President and CEO
Mar 28, 2025Sale(10b5-1 plan)−950$34.63$32.90K266,220
J. Heath Deneke
Chairman, President and CEO
Mar 28, 2025Sale(10b5-1 plan)−50$35.45$1.77K266,170
J. Heath Deneke
Chairman, President and CEO
Mar 27, 2025Sale(10b5-1 plan)−1,000$35.33$35.33K267,170
J. Heath Deneke
Chairman, President and CEO
Mar 26, 2025Sale(10b5-1 plan)−1,000$35.33$35.33K268,170
J. Heath Deneke
Chairman, President and CEO
Mar 25, 2025Sale(10b5-1 plan)−1,000$35.74$35.74K269,170
J. Heath Deneke
Chairman, President and CEO
Mar 24, 2025Sale(10b5-1 plan)−1,000$36.32$36.32K270,170
J. Heath Deneke
Chairman, President and CEO
Mar 21, 2025Sale(10b5-1 plan)−1,000$36.30$36.30K271,170
J. Heath Deneke
Chairman, President and CEO
Mar 20, 2025Sale(10b5-1 plan)−1,000$37.73$37.73K272,170
Jerry L. Peters
Director
Mar 19, 2025Sale−6,700$37.40$250.58K20,184
J. Heath Deneke
Chairman, President and CEO
Mar 19, 2025Sale(10b5-1 plan)−100$38.15$3.82K273,170
J. Heath Deneke
Chairman, President and CEO
Mar 19, 2025Sale(10b5-1 plan)−900$37.63$33.87K273,270
Jerry L. Peters
Director
Mar 19, 2025Sale−6,700$37.40$250.58K23,246
Jerry L. Peters
Director
Mar 18, 2025Sale−52$38.00$1.98K26,884

Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.

Planned insider sales

Notices of proposed sale filed on Form 144 before shares are sold

SellerFiledSharesMarket valuePlanned saleAcquired through
Johnston James
Officer
Jul 2, 20265,200$153.40KJul 2, 2026Restricted Stock Units
Jerry L. Peters
Director
May 18, 202610,000$317.00KMay 18, 2026Director Compensation Grant
Jerry L. Peters
Director
Mar 17, 202515,000$561.60KMar 17, 2025Unit Grants of SMLP
Heath Deneke J.
Officer
Feb 14, 202530,000$1.36MFeb 14, 2025Restricted Stock Units
Heath Deneke J.
Officer
Dec 31, 202430,000$1.10MDec 31, 2024Restricted Stock Units
Johnston James
Officer
Dec 12, 202420,000$731.60KDec 12, 2024Restricted Stock Units
Heath Deneke J.
Director, Officer
Nov 15, 202430,000$1.06MNov 15, 2024Restricted Stock Units