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Granite Ridge Resources GRNT

US equityMarket cap rank #3618Oil & Gas E&P
$4.59 −$0.02 (-0.43%)
Pre-market · Oct 8, 8:20 am ET · After hours $4.56 -0.65%
Open$4.64
Prev close$4.61
Day range$4.55 – $4.68
Volume958.5K
Market cap$605.42M
P/E (TTM)–
Dividend yield9.59%

Ownership & positioning

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

Institutional ownership77.8%-4.49 pts vs. prior quarter
Institutions holding204+1 vs. prior quarter
Insider trades (recent)46 buys / 1 sellsNet buying
Short interest4.51% of floatDays to cover 3.0 · as of 15 Sep 2026
Short-sale volume share29.7%5-day average of daily volume

Short-sale volume as % of daily volume

20%25%31%37%Sep '26Sep '26Oct '26

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: −$6.10M (3 inflow days, 17 outflow days).

Net flow by order size, last 20 sessions

−$5.4MSuper−$726.2KBig−$966.3KMid−$1.4MSmall

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 53.1% of shares outstanding.

Largest holders

  • Grey Rock Energy Management, LLC37.21%
  • Hamilton Lane Incorporated5.13%
  • Utah Retirement Systems3.98%
  • BlackRock3.77%
  • Dimensional Fund Advisors2.99%
  • Vanguard Capital Management, LLC2.68%
  • American Century Investment Management2.36%
  • Matthew Miller1.50%

By investor type

  • VC/PE Fund42.33%
  • Mutual Fund24.36%
  • Hedge Fund4.73%
  • Government Pension Fund4.11%
  • Individual/Insider2.52%
  • Public Company1.29%
  • Private Company0.67%
  • Insurance Company0.21%

Reported short interest has risen from 4.14% to 4.51% of float over the last 6 biweekly reports (30 Jun 2026 to 15 Sep 2026).

Recent institutional activity

HolderTypePeriodShare changeNew stake
Matthew Miller Individual/Insider 2026/Q3 +612,851 1.5%
Thaddeus Darden Individual/Insider 2026/Q3 +220,418 0.5%
Nuveen Asset Management LLC Insurance Company 2026/Q3 +271,333 0.2%
Dimensional Fund Advisors Mutual Fund 2026/Q3 +630,657 3.0%
AQR Capital Management Hedge Fund 2026/Q3 +503,317 1.1%
Trexquant Investment LP Hedge Fund 2026/Q3 +500,636 0.5%
Eaton Vance Management Mutual Fund 2026/Q3 +481,428 0.4%
Two Sigma Investments, LP Hedge Fund 2026/Q3 +460,520 0.7%
JPMorgan Chase & Co. Public Company 2026/Q3 +413,796 0.5%
Hudson River Trading LLC Private Company 2026/Q3 +402,028 0.3%
Algert Global LLC Hedge Fund 2026/Q3 +389,856 0.3%
Y-Intercept (Hong Kong) Limited Mutual Fund 2026/Q3 +322,952 0.2%
Quantinno Capital Management LP Mutual Fund 2026/Q3 +316,638 0.3%
Squarepoint OPS LLC Hedge Fund 2026/Q3 +301,255 0.2%
BlackRock Mutual Fund 2026/Q3 +258,469 3.8%

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

Insider transactions

DateInsiderTitleTransactionSharesPriceHeld after
29 Sep 2026 Matthew Miller Co-Chairman of the Board Other Acquisition +4,320 – 1,978,612
29 Sep 2026 John Cocke Director Other Acquisition +1,010 – 25,630
29 Sep 2026 Jonathan Adams Director Other Acquisition +2,019 – 27,039
10 Sep 2026 Matthew Miller Co-Chairman of the Board Open Market Acquisition +10,000 $5.03 1,974,292
3 Sep 2026 R. Kettler Chief Financial Officer Open Market Acquisition +6,000 $5.05 135,276
31 Aug 2026 John McCartney Independent Director Open Market Acquisition +5,000 $5.04 154,143
18 Aug 2026 Matthew Miller Co-Chairman of the Board Other Acquisition +598,531 – 1,964,292
18 Aug 2026 John Cocke Director Other Acquisition +24,620 – 24,620
18 Aug 2026 John Cocke Director Initial Statement of Beneficial +0 – –
18 Aug 2026 Kirk Lazarine Director Other Acquisition +592,733 – 1,660,756
18 Aug 2026 Griffin Perry Co-Chairman of the Board Other Acquisition +592,733 – 1,756,636
18 Aug 2026 Thaddeus Darden Director Other Acquisition +220,418 – 623,563
18 Aug 2026 Jonathan Adams Director Other Acquisition +24,620 – 25,020
18 Aug 2026 Jonathan Adams Director Initial Statement of Beneficial +0 – 400
12 Aug 2026 John McCartney Independent Director Open Market Acquisition +2,000 $5.00 149,143
12 Aug 2026 Michele Everard Independent Director Open Market Acquisition +1,000 $5.00 73,143
29 Jun 2026 Matthew Miller Co-Chairman of the Board Other Acquisition +4,252 – 1,365,761
11 Jun 2026 Matthew Miller Co-Chairman of the Board Open Market Acquisition +696 $4.97 1,361,509
9 Jun 2026 John McCartney Independent Director Open Market Acquisition +4,000 $4.96 147,143
8 Jun 2026 Matthew Miller Co-Chairman of the Board Open Market Acquisition +10,600 $4.75 1,360,813

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 5,952,349 4.5% 3.0
31 Aug 2026 5,056,080 3.8% 4.6
14 Aug 2026 4,749,101 3.6% 6.1
31 Jul 2026 5,275,631 4.0% 7.6
15 Jul 2026 5,771,041 4.4% 6.6
30 Jun 2026 5,460,924 4.1% 4.4

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