TBN
TAMBORAN (TBN)
NYSE
$39.22+$0.09 (+0.23%)
Price as of Sep 11, 2026 7:30 PM EDT
  • $1.4B
    Market Cap
  • 78.68%
    1-Year Change
  • Oil & Gas E&P
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
HITE HEDGE ASSET MANAGEMENT LLC
8.27%
2.9M
+805,489 (+27.95%)
Jun 30, 2026
GILDER GAGNON HOWE & CO LLC
3.13%
1.1M
+250,323 (+22.94%)
Jun 30, 2026
ALBERTA INVESTMENT MANAGEMENT CORP
2.46%
858,680
0 (0.00%)
Jun 30, 2026
CINCTIVE CAPITAL MANAGEMENT LP
1.88%
655,326
+553,315 (+84.43%)
Jun 30, 2026
YAUPON CAPITAL MANAGEMENT LP
1.79%
623,534
+88,360 (+14.17%)
Jun 30, 2026
REAVES W H & CO INC
1.76%
615,001
+445,001 (+72.36%)
Jun 30, 2026
INGALLS & SNYDER LLC
1.45%
504,497
+164,935 (+32.69%)
Jun 30, 2026

Current Ownership Distribution

  • Institutions43.3M (85.21%)
  • Insiders5.2M (10.14%)
  • Mutual Funds2.4M (4.65%)
  • Other0 (0.00%)

Insider Transactions

  • 10.14% (5.2M)
    Current InsiderOwnership (%, shares)
  • 2
    Number of InsiderBuying (last 12 months)
  • $10.3M
    Amount of InsiderBuying (last 12 months)
  • 0
    Number of InsiderSelling (last 12 months)
  • $0.00
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Sheffield Bryan
Award
May 28, 2026
$0.00
339,500
$0.00
3.6M
SHEFFIELD SCOTT D
Buy
Apr 08, 2026
$251,774.21
6,990
$36.02
292,430
SIEGEL DAVID N
Gift
Feb 04, 2026
$0.00
7,000
$0.00
120,000
SIEGEL DAVID N
Gift
Jan 20, 2026
$0.00
100,000
$0.00
113,000
Barrett Fredrick J
Award
Jan 16, 2026
$199,983.00
9,523
$21.00
32,228
Sheffield Bryan
Award
Jan 16, 2026
$2.8M
133,655
$21.00
3.3M
Bellman Jeffrey Lance
Award
Jan 16, 2026
$99,981.00
4,761
$21.00
15,400
STONEBURNER RICHARD K
Award
Jan 16, 2026
$249,984.00
11,904
$21.00
65,648
PACE PHILLIP Z
Award
Jan 16, 2026
$499,989.00
23,809
$21.00
25,809
Thibodeaux Faron James
Chief Operating Officer
Award
Jan 16, 2026
$749,994.00
35,714
$21.00
148,168
Dalton Ryan
Award
Jan 16, 2026
$499,989.00
23,809
$21.00
50,538
SHEFFIELD SCOTT D
Award
Jan 16, 2026
$3.8M
181,274
$21.00
285,440
Dyer Eric Steven
Chief Financial Officer
Award
Jan 16, 2026
$99,981.00
4,761
$21.00
67,080
STONEBURNER RICHARD K
Award
Jan 16, 2026
$249,984.00
11,904
$21.00
14,724
SIEGEL DAVID N
Award
Jan 16, 2026
$210,000.00
10,000
$21.00
301,621
SIEGEL DAVID N
Award
Jan 16, 2026
$126,000.00
6,000
$21.00
13,000
Abbott Todd Christopher
Chief Executive Officer
Award
Jan 15, 2026
$0.00
32,660
$0.00
32,660
Abbott Todd Christopher
Chief Executive Officer
Award
Jan 15, 2026
$0.00
123,574
$0.00
156,234
PACE PHILLIP Z
Buy
Nov 21, 2025
$47,000.00
2,000
$23.50
2,000
STONEBURNER RICHARD K
Award
Jul 22, 2025
$50,026.80
2,820
$17.74
53,744
Bellman Jeffrey Lance
Award
Jul 22, 2025
$100,000.38
5,637
$17.74
10,639
Thibodeaux Faron James
Chief Operating Officer
Award
Jul 22, 2025
$150,009.44
8,456
$17.74
112,454
SIEGEL DAVID N
Award
Jul 22, 2025
$177,400.00
10,000
$17.74
291,621
Riddle Joel Lynn
Chief Executive Officer
Award
Jul 22, 2025
$100,000.38
5,637
$17.74
107,281
Sheffield Bryan
Buy
Jul 22, 2025
$10.0M
563,697
$17.74
3.1M
Dalton Ryan
Award
Jul 22, 2025
$88,700.00
5,000
$17.74
26,729
Dyer Eric Steven
Chief Financial Officer
Award
Jul 22, 2025
$100,000.38
5,637
$17.74
62,319
STONEBURNER RICHARD K
Award
Jul 22, 2025
$50,026.80
2,820
$17.74
2,820
Barrett Fredrick J
Award
Jul 22, 2025
$150,009.44
8,456
$17.74
29,996
Dalton Ryan
Award
May 16, 2025
$0.00
5,002
$0.00
21,729