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Riley Exploration Permian REPX

US equityMarket cap rank #3272Oil & Gas E&P
$43.21 +$0.34 (+0.79%)
Pre-market · Oct 8, 8:20 am ET · After hours $43.21 0.00%
Open$43.32
Prev close$42.87
Day range$42.69 – $43.55
Volume143.6K
Market cap$957.27M
P/E (TTM)7.7
Dividend yield3.66%

Ownership & positioning

Who holds it, who is betting against it, and where the big money is moving

Institutional ownership73.4%+0.20 pts vs. prior quarter
Institutions holding248+3 vs. prior quarter
Insider trades (recent)13 buys / 36 sellsNet selling
Short interest3.85% of floatDays to cover 2.3 · as of 15 Sep 2026
Short-sale volume share24.2%5-day average of daily volume

Short-sale volume as % of daily volume

21%24%26%29%Sep '26Sep '26Oct '26

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: +$368.5K (10 inflow days, 10 outflow days).

Net flow by order size, last 20 sessions

−$99.7KSuper+$468.3KBig−$240.8KMid−$1.1MSmall

Super/Big orders approximate institutional-size trades; Mid/Small approximate retail-size trades. Net buy minus sell value in each bucket, summed over the window.

The five largest holders on file together own 28.3% of shares outstanding.

Largest holders

  • Alvin Libin10.10%
  • Yorktown Partners LLC5.80%
  • BlackRock5.52%
  • Dimensional Fund Advisors3.61%
  • Vanguard Capital Management, LLC3.24%
  • Riley Exploration Group, LLC3.23%
  • American Century Investment Management3.12%
  • Arrowstreet Capital, Limited Partnership3.10%

By investor type

  • Mutual Fund51.72%
  • Individual/Insider16.09%
  • Hedge Fund8.00%
  • VC/PE Fund5.87%
  • Private Company4.40%
  • Public Company2.01%
  • Family Office/Trust0.63%
  • Government Pension Fund0.54%

Reported short interest has risen from 3.13% to 3.85% of float over the last 6 biweekly reports (30 Jun 2026 to 15 Sep 2026).

Recent institutional activity

HolderTypePeriodShare changeNew stake
AQR Capital Management Hedge Fund 2026/Q3 +486,602 2.6%
Vanguard Portfolio Management, LLC Mutual Fund 2026/Q3 +319,396 2.9%
LSV Asset Management Mutual Fund 2026/Q3 +247,693 1.4%
First Eagle Investment Management, LLC Mutual Fund 2026/Q3 +246,798 1.9%
Denali Advisors, LLC Mutual Fund 2026/Q3 +214,010 1.0%
BlackRock Mutual Fund 2026/Q3 +205,937 5.5%
Dimensional Fund Advisors Mutual Fund 2026/Q3 +183,274 3.6%
The Renaissance Group LLC Mutual Fund 2026/Q3 +173,266 0.8%
Seizert Capital Partners, LLC Mutual Fund 2026/Q3 +159,024 0.7%
UBS Asset Management Mutual Fund 2026/Q3 +143,230 0.9%
Two Sigma Investments, LP Hedge Fund 2026/Q3 +101,341 2.4%
T. Rowe Price Group, Inc. Mutual Fund 2026/Q3 +85,806 0.4%
Arrowstreet Capital, Limited Partnership Mutual Fund 2026/Q3 +78,049 3.1%
State Street Global Advisors Mutual Fund 2026/Q3 +75,993 1.5%
PGIM, Inc. Mutual Fund 2026/Q3 +70,130 0.7%

Institutional buy/sell activity by reporting period, largest moves first.

Insider transactions

DateInsiderTitleTransactionSharesPriceHeld after
30 Sep 2026 Corey Riley Executive Vice President of Business Intelligence Sale to Issuer -6,677 $40.01 203,385
30 Sep 2026 Philip Riley CFO & Executive VP of Strategy Sale to Issuer -6,954 $40.01 228,549
30 Sep 2026 Bobby Riley Chairperson & CEO Sale to Issuer -7,933 $40.01 475,050
17 Aug 2026 Philip Riley CFO & Executive VP of Strategy Open Market Disposition -4,000 $37.61 235,503
9 Aug 2026 Corey Riley Executive Vice President of Business Intelligence Automatic Disposition -3,500 $35.21 210,062
9 Aug 2026 Bobby Riley Chairperson & CEO Automatic Disposition -12,500 $36.12 482,983
30 Jun 2026 Jeffrey Gutman Former Executive Vice President Sale to Issuer -1,720 $32.96 98,130
30 Jun 2026 John Suter Chief Operating Officer Sale to Issuer -2,229 $32.96 134,198
9 Jun 2026 Bobby Riley Chairperson & CEO Open Market Disposition -30,000 $36.22 495,483
14 May 2026 Edgar Wayne Nordberg Independent Director Other Acquisition +7,143 – 31,694
14 May 2026 Rebecca Bayless Independent Director Other Acquisition +7,143 – 31,744
14 May 2026 Corey Riley Executive Vice President of Business Intelligence Other Acquisition +65,090 – 213,562
14 May 2026 Jeffrey Gutman Former Executive Vice President Other Acquisition +57,943 – 99,850
14 May 2026 Philip Riley CFO & Executive VP of Strategy Other Acquisition +72,576 – 239,503
14 May 2026 John Suter Chief Operating Officer Other Acquisition +65,669 – 136,427
14 May 2026 Bobby Riley Chairperson & CEO Other Acquisition +212,463 – 525,483
14 May 2026 Brent Arriaga Independent Director Other Acquisition +7,143 – 23,776
14 May 2026 Bobby Saadati Independent Director Other Acquisition +7,143 – 9,021
10 May 2026 Corey Riley Executive Vice President of Business Intelligence Automatic Disposition -3,500 $34.55 148,472
10 May 2026 Bobby Riley Chairperson & CEO Automatic Disposition -12,500 $34.56 313,020

From Form 4/Form 144 filings. Negative share counts are disposals (sales, gifts, or shares withheld for taxes); positive are acquisitions.

Short interest, by report

Report dateShares short% of floatDays to cover
15 Sep 2026 853,579 3.9% 2.3
31 Aug 2026 861,343 3.9% 4.6
14 Aug 2026 800,469 3.6% 4.8
31 Jul 2026 689,535 3.2% 3.4
15 Jul 2026 758,875 3.5% 3.7
30 Jun 2026 679,451 3.1% 2.1

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