Tamboran Resources (TBN)
Tamboran Resources on one page: short interest, daily short volume, fails to deliver, large holders, 13F holders, earnings dates and insider trades. Listed on NYSE, classified by the SEC as crude petroleum & natural gas.
385K
Short interest
settlement 2026-10-15
2.6
Days to cover
-0.8 days vs prior
54.2%
Short share of volume
2026-11-03
13,000
Fails to deliver
settlement 2026-10-14
Thu 12 Nov
Next earnings
estimated date
$0
Insider flow, 90 days
0 buys, 0 sells
As of 2026-11-03.
Short interest
FINRA, twice a month. The newest 48 settlements in the table, 48 in the chart. JSONAs of 15 October 2026, short interest in TBN is 385,284 shares, up 20,481 shares over the last month. Over the last 48 readings it ranged from 8,715 shares (30 September 2025) to 1,219,171 shares (30 June 2026). At the reported average volume of 149K shares a day that is 2.6 days to cover.
Embed this chart.The embed keeps its attribution line.
<iframe src="https://xoomar.com/embed/stocks/tbn" width="100%" height="440" style="border:0;max-width:100%" loading="lazy" title="XOOMAR chart"></iframe>
| Settlement | Shares short | Change | Avg daily volume | Days to cover |
|---|---|---|---|---|
| 2026-10-15 | 385,284 | -14.8% | 148,515 | 2.59 |
| 2026-09-30 | 452,271 | +24.0% | 134,569 | 3.36 |
| 2026-09-15 | 364,803 | -29.9% | 190,656 | 1.91 |
| 2026-08-31 | 520,619 | -4.2% | 112,322 | 4.64 |
| 2026-08-14 | 543,313 | -49.0% | 89,678 | 6.06 |
| 2026-07-31 | 1,064,793 | +14.3% | 145,920 | 7.30 |
| 2026-07-15 | 931,512 | -23.6% | 128,736 | 7.24 |
| 2026-06-30 | 1,219,171 | +8.9% | 290,728 | 4.19 |
| 2026-06-15 | 1,119,734 | +1.7% | 290,925 | 3.85 |
| 2026-05-29 | 1,100,571 | +21.4% | 277,264 | 3.97 |
| 2026-05-15 | 906,623 | +3.8% | 141,981 | 6.39 |
| 2026-04-30 | 873,650 | +5.8% | 153,671 | 5.69 |
| 2026-04-15 | 826,012 | +16.3% | 425,186 | 1.94 |
| 2026-03-31 | 710,315 | -4.7% | 137,512 | 5.17 |
| 2026-03-13 | 745,418 | +39.4% | 80,871 | 9.22 |
| 2026-02-27 | 534,769 | +10.8% | 85,970 | 6.22 |
| 2026-02-13 | 482,753 | +1.8% | 40,771 | 11.84 |
| 2026-01-30 | 474,213 | +13.3% | 60,056 | 7.90 |
| 2026-01-15 | 418,359 | +10.9% | 34,594 | 12.09 |
| 2025-12-31 | 377,356 | +12.1% | 35,383 | 10.66 |
| 2025-12-15 | 336,544 | +45.3% | 57,738 | 5.83 |
| 2025-11-28 | 231,646 | +34.7% | 37,527 | 6.17 |
| 2025-11-14 | 171,989 | +18.2% | 38,231 | 4.50 |
| 2025-10-31 | 145,521 | -23.4% | 99,560 | 1.46 |
| 2025-10-15 | 190,067 | +2080.9% | 126,960 | 1.50 |
| 2025-09-30 | 8,715 | -38.3% | 115,860 | 1.00 |
| 2025-09-15 | 14,113 | -4.7% | 27,900 | 1.00 |
| 2025-08-29 | 14,808 | +33.0% | 8,903 | 1.66 |
| 2025-08-15 | 11,136 | -40.4% | 15,290 | 1.00 |
| 2025-07-31 | 18,673 | +45.8% | 13,947 | 1.34 |
| 2025-07-15 | 12,808 | -43.0% | 38,004 | 1.00 |
| 2025-06-30 | 22,454 | -18.0% | 45,187 | 1.00 |
| 2025-06-13 | 27,396 | -4.2% | 17,826 | 1.54 |
| 2025-05-30 | 28,610 | -26.4% | 14,944 | 1.91 |
| 2025-05-15 | 38,890 | +2.8% | 8,067 | 4.82 |
| 2025-04-30 | 37,839 | +3.1% | 5,866 | 6.45 |
| 2025-04-15 | 36,698 | +13.6% | 11,062 | 3.32 |
| 2025-03-31 | 32,312 | +20.1% | 16,349 | 1.98 |
| 2025-03-14 | 26,914 | +10.7% | 20,246 | 1.33 |
| 2025-02-28 | 24,303 | -11.3% | 38,450 | 1.00 |
| 2025-02-14 | 27,416 | +19.9% | 39,294 | 1.00 |
| 2025-01-31 | 22,875 | -1.3% | 27,828 | 1.00 |
| 2025-01-15 | 23,178 | -31.1% | 24,587 | 1.00 |
| 2024-12-31 | 33,632 | -13.7% | 10,311 | 3.26 |
| 2024-12-13 | 38,965 | -14.8% | 11,442 | 3.41 |
| 2024-11-29 | 45,735 | +13.0% | 14,587 | 3.14 |
| 2024-11-15 | 40,465 | +8.4% | 11,927 | 3.39 |
| 2024-10-31 | 37,337 | -6.9% | 21,483 | 1.74 |
Daily short volume
FINRA Reg SHO, the last 30 sessions. JSONAs of 3 November 2026, the short share of TBN volume is 54.2%, up 13.1 points over the last five sessions. Over the last 30 readings it ranged from 12.6% (14 October 2026) to 89.3% (1 October 2026). The latest reading is 8.7 points below the 30-session average of 62.9%, on 72K shares reported.
| Date | Short volume | Total volume | Short share | Exempt |
|---|---|---|---|---|
| 2026-11-03 | 39K | 72K | 54.2% | 0 |
| 2026-11-02 | 30K | 43K | 68.9% | 0 |
| 2026-10-30 | 72K | 104K | 69.4% | 102 |
| 2026-10-29 | 34K | 79K | 42.8% | 0 |
| 2026-10-28 | 38K | 90K | 41.6% | 0 |
| 2026-10-27 | 34K | 83K | 41.1% | 0 |
| 2026-10-26 | 60K | 79K | 76.2% | 0 |
| 2026-10-23 | 93K | 140K | 66.3% | 0 |
| 2026-10-22 | 94K | 178K | 52.7% | 200 |
| 2026-10-21 | 32K | 66K | 48.9% | 0 |
| 2026-10-20 | 59K | 84K | 69.8% | 0 |
| 2026-10-19 | 63K | 113K | 55.9% | 425 |
| 2026-10-16 | 82K | 177K | 46.4% | 514 |
| 2026-10-15 | 69K | 180K | 38.5% | 11 |
| 2026-10-14 | 29K | 227K | 12.6% | 0 |
| 2026-10-13 | 34K | 48K | 71.4% | 0 |
| 2026-10-12 | 19K | 23K | 82.3% | 0 |
| 2026-10-09 | 22K | 34K | 64.1% | 0 |
| 2026-10-08 | 20K | 24K | 81.7% | 0 |
| 2026-10-07 | 33K | 39K | 84.1% | 0 |
| 2026-10-06 | 36K | 50K | 73.5% | 0 |
| 2026-10-05 | 37K | 51K | 72.6% | 0 |
| 2026-10-02 | 24K | 33K | 70.5% | 0 |
| 2026-10-01 | 66K | 74K | 89.3% | 0 |
| 2026-09-30 | 51K | 69K | 73.9% | 0 |
| 2026-09-29 | 54K | 85K | 63.6% | 1 |
| 2026-09-28 | 40K | 63K | 62.8% | 0 |
| 2026-09-25 | 44K | 70K | 63.0% | 0 |
| 2026-09-24 | 27K | 39K | 68.4% | 0 |
| 2026-09-23 | 55K | 68K | 80.3% | 0 |
Fails to deliver
SEC, the last 30 settlement dates with a fail. JSONAs of 14 October 2026, the fails-to-deliver balance in TBN is 13,000 shares, up 12,500 shares over the last settlement date. Over the last 30 readings it ranged from 1 share (15 September 2026) to 28,298 shares (21 August 2026).
| Settlement | Shares failed | Price | Value |
|---|---|---|---|
| 2026-10-14 | 13,000 | $36.07 | $469K |
| 2026-10-13 | 500 | $34.53 | $17K |
| 2026-10-08 | 6,403 | $34.43 | $220K |
| 2026-10-07 | 9,417 | $34.68 | $327K |
| 2026-10-05 | 2,619 | $33.65 | $88K |
| 2026-10-02 | 2,630 | $33.18 | $87K |
| 2026-10-01 | 2,762 | $32.96 | $91K |
| 2026-09-28 | 88 | $35.11 | $3K |
| 2026-09-24 | 126 | $35.76 | $5K |
| 2026-09-23 | 141 | $35.42 | $5K |
| 2026-09-21 | 1,452 | $38.25 | $56K |
| 2026-09-18 | 1,308 | $38.50 | $50K |
| 2026-09-16 | 137 | $40.18 | $6K |
| 2026-09-15 | 1 | $37.57 | $38 |
| 2026-09-14 | 1,119 | $39.13 | $44K |
| 2026-09-04 | 1,931 | $39.05 | $75K |
| 2026-09-02 | 4 | $39.83 | $159 |
| 2026-08-31 | 2 | $37.15 | $74 |
| 2026-08-27 | 4,964 | $36.96 | $183K |
| 2026-08-25 | 4,777 | $37.82 | $181K |
| 2026-08-24 | 4,588 | $37.97 | $174K |
| 2026-08-21 | 28,298 | $37.97 | $1.1M |
| 2026-08-20 | 6,965 | $38.08 | $265K |
| 2026-08-19 | 6 | $37.33 | $224 |
| 2026-08-14 | 1,428 | $35.86 | $51K |
| 2026-08-12 | 405 | $36.22 | $15K |
| 2026-08-11 | 431 | $35.77 | $15K |
| 2026-08-10 | 28 | $33.61 | $941 |
| 2026-08-06 | 251 | $32.15 | $8K |
| 2026-08-05 | 2,944 | $32.38 | $95K |
Insider trades
SEC Form 4, newest first. JSONNo open-market insider trades were reported for TBN in the last 90 days. The most recent filings are listed below. Latest filing: STONEBURNER RICHARD K (Director) on 2026-06-01.
| Date | Insider | Title | Type | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|---|
| 2026-06-01 | STONEBURNER RICHARD K | Director | Grant | 3K | $0.00 | $0 | 108K |
| 2026-06-01 | SIEGEL DAVID N | Director | Grant | 3K | $0.00 | $0 | 358K |
| 2026-06-01 | SHEFFIELD SCOTT D | Director | Grant | 3K | $0.00 | $0 | 327K |
| 2026-06-01 | Robb Andrew John | Director | Grant | 3K | $0.00 | $0 | 14K |
| 2026-06-01 | PACE PHILLIP Z | Director | Grant | 3K | $0.00 | $0 | 45K |
| 2026-06-01 | Elliott Patrick James Dymock | Director | Grant | 3K | $0.00 | $0 | 28K |
| 2026-06-01 | Dalton Ryan | Director | Grant | 3K | $0.00 | $0 | 62K |
| 2026-06-01 | Bellman Jeffrey Lance | Director | Grant | 3K | $0.00 | $0 | 23K |
| 2026-06-01 | Barrett Fredrick J | Director | Grant | 3K | $0.00 | $0 | 40K |
| 2026-05-28 | Sheffield Bryan | Director, 10% owner | Grant | 340K | price not stated in the filing | not stated | 3.6M |
| 2026-05-26 | STONEBURNER RICHARD K | Director | Grant | 5K | $0.00 | $0 | 105K |
| 2026-05-26 | SIEGEL DAVID N | Director | Grant | 4K | $0.00 | $0 | 355K |
| 2026-05-26 | SHEFFIELD SCOTT D | Director | Grant | 3K | $0.00 | $0 | 324K |
| 2026-05-26 | Robb Andrew John | Director | Grant | 2K | $0.00 | $0 | 11K |
| 2026-05-26 | PACE PHILLIP Z | Director | Grant | 3K | $0.00 | $0 | 42K |
| 2026-05-26 | Elliott Patrick James Dymock | Director | Grant | 2K | $0.00 | $0 | 26K |
| 2026-05-26 | Dalton Ryan | Director | Grant | 4K | $0.00 | $0 | 59K |
| 2026-05-26 | Bellman Jeffrey Lance | Director | Grant | 3K | $0.00 | $0 | 20K |
| 2026-05-26 | Barrett Fredrick J | Director | Grant | 2K | $0.00 | $0 | 38K |
| 2026-04-15 | STONEBURNER RICHARD K | Director | Grant | 8K | $35.00 | $294K | 99K |
| 2026-04-15 | PACE PHILLIP Z | Director | Grant | 3K | $35.00 | $90K | 38K |
| 2026-04-14 | Daly Waters Energy, LP | TenPercentOwner | Grant | 50K | $35.00 | $1.8M | 3.3M |
| 2026-04-14 | Thibodeaux Faron James | Chief Operating Officer | Grant | 7K | $35.00 | $250K | 153K |
| 2026-04-14 | SIEGEL DAVID N | Director | Grant | 3K | $35.00 | $88K | 123K |
| 2026-04-14 | SIEGEL DAVID N | Director | Grant | 5K | $35.00 | $175K | 352K |
| 2026-04-14 | SHEFFIELD SCOTT D | Director | Grant | 29K | $35.00 | $999K | 321K |
| 2026-04-14 | Dyer Eric Steven | Chief Financial Officer | Grant | 2K | $35.00 | $64K | 69K |
| 2026-04-14 | Sheffield Bryan | Director, 10% owner | Grant | 50K | $35.00 | $1.8M | 3.3M |
| 2026-04-14 | Dalton Ryan | Director | Grant | 5K | $35.00 | $162K | 55K |
| 2026-04-14 | Bellman Jeffrey Lance | Director | Grant | 2K | $35.00 | $54K | 17K |
| 2026-04-14 | Barrett Fredrick J | Director | Grant | 6K | $35.00 | $200K | 36K |
| 2026-04-13 | PACE PHILLIP Z | Director | Buy | 10K | $36.99 | $370K | 36K |
| 2026-04-08 | SHEFFIELD SCOTT D | Director | Buy | 7K | $36.02 | $252K | 292K |
| 2026-02-04 | SIEGEL DAVID N | Director | Gift | 7K | $0.00 | $0 | 120K |
| 2026-01-20 | SIEGEL DAVID N | Director | Gift | 100K | $0.00 | $0 | 113K |
| 2026-01-16 | STONEBURNER RICHARD K | Director | Grant | 12K | $21.00 | $250K | 15K |
| 2026-01-16 | Daly Waters Energy, LP | TenPercentOwner | Grant | 134K | $21.00 | $2.8M | 3.3M |
| 2026-01-16 | Thibodeaux Faron James | Chief Operating Officer | Grant | 36K | $21.00 | $750K | 148K |
| 2026-01-16 | STONEBURNER RICHARD K | Director | Grant | 12K | $21.00 | $250K | 66K |
| 2026-01-16 | SIEGEL DAVID N | Director | Grant | 6K | $21.00 | $126K | 13K |
| 2026-01-16 | SIEGEL DAVID N | Director | Grant | 10K | $21.00 | $210K | 302K |
| 2026-01-16 | SHEFFIELD SCOTT D | Director | Grant | 181K | $21.00 | $3.8M | 285K |
| 2026-01-16 | PACE PHILLIP Z | Director | Grant | 24K | $21.00 | $500K | 26K |
| 2026-01-16 | Dyer Eric Steven | Chief Financial Officer | Grant | 5K | $21.00 | $100K | 67K |
| 2026-01-16 | Sheffield Bryan | 10% owner | Grant | 134K | $21.00 | $2.8M | 3.3M |
| 2026-01-16 | Dalton Ryan | Director | Grant | 24K | $21.00 | $500K | 51K |
| 2026-01-16 | Bellman Jeffrey Lance | Director | Grant | 5K | $21.00 | $100K | 15K |
| 2026-01-16 | Barrett Fredrick J | Director | Grant | 10K | $21.00 | $200K | 32K |
| 2026-01-15 | Abbott Todd Christopher | Chief Executive Officer | Grant | 124K | $0.00 | $0 | 156K |
| 2026-01-15 | Abbott Todd Christopher | Chief Executive Officer | Grant | 33K | $0.00 | $0 | 33K |
| 2025-12-05 | STONEBURNER RICHARD K | Director | Grant | 25K | $0.00 | $0 | 91K |
| 2025-11-21 | PACE PHILLIP Z | Director | Buy | 2K | $23.50 | $47K | 2K |
| 2025-07-22 | STONEBURNER RICHARD K | Director | Grant | 3K | $17.74 | $50K | 3K |
| 2025-07-22 | Formentera Investments LLC | TenPercentOwner | Buy | 564K | $17.74 | $10.0M | 3.1M |
| 2025-07-22 | Thibodeaux Faron James | Chief Operating Officer | Grant | 8K | $17.74 | $150K | 112K |
| 2025-07-22 | STONEBURNER RICHARD K | Director | Grant | 3K | $17.74 | $50K | 54K |
| 2025-07-22 | SIEGEL DAVID N | Director | Grant | 10K | $17.74 | $177K | 292K |
| 2025-07-22 | Riddle Joel Lynn | Chief Executive Officer | Grant | 6K | $17.74 | $100K | 107K |
| 2025-07-22 | Dyer Eric Steven | Chief Financial Officer | Grant | 6K | $17.74 | $100K | 62K |
| 2025-07-22 | Sheffield Bryan | 10% owner | Buy | 564K | $17.74 | $10.0M | 3.1M |
| 2025-07-22 | Dalton Ryan | Director | Grant | 5K | $17.74 | $89K | 27K |
| 2025-07-22 | Bellman Jeffrey Lance | Director | Grant | 6K | $17.74 | $100K | 11K |
| 2025-07-22 | Barrett Fredrick J | Director | Grant | 8K | $17.74 | $150K | 30K |
| 2025-05-16 | Dalton Ryan | Director | Grant | 5K | $0.00 | $0 | 22K |
| 2025-05-16 | SIEGEL DAVID N | Director | Grant | 5K | $0.00 | $0 | 282K |
| 2025-05-16 | Robb Andrew John | Director | Grant | 5K | $0.00 | $0 | 10K |
| 2025-05-16 | Elliott Patrick James Dymock | Director | Grant | 5K | $0.00 | $0 | 24K |
| 2025-05-16 | Barrett Fredrick J | Director | Grant | 5K | $0.00 | $0 | 22K |
| 2025-05-16 | STONEBURNER RICHARD K | Director | Grant | 5K | $0.00 | $0 | 51K |
| 2025-05-16 | Bellman Jeffrey Lance | Director | Grant | 5K | $0.00 | $0 | 5K |
| 2025-01-31 | Dalton Ryan | Director | Grant | 4K | $0.00 | $0 | 17K |
| 2025-01-31 | STONEBURNER RICHARD K | Director | Grant | 7K | $0.00 | $0 | 46K |
| 2025-01-31 | Elliott Patrick James Dymock | Director | Grant | 2K | $0.00 | $0 | 19K |
| 2025-01-31 | Reed Stephanie L | Director | Grant | 4K | $0.00 | $0 | 12K |
| 2025-01-31 | Robb Andrew John | Director | Grant | 3K | $0.00 | $0 | 5K |
| 2025-01-31 | SIEGEL DAVID N | Director | Grant | 5K | $0.00 | $0 | 277K |
| 2025-01-31 | Barrett Fredrick J | Director | Grant | 3K | $0.00 | $0 | 17K |
| 2024-12-12 | Spraberry Interests, LLC | TenPercentOwner | Other transaction | 313K | price not stated in the filing | not stated | 2.6M |
| 2024-08-30 | Sheffield Bryan | TenPercentOwner | Buy | 12K | $20.12 | $250K | 2.2M |
| 2024-08-06 | Thibodeaux Faron James | Chief Operating Officer | Grant | 55K | $0.00 | $0 | 104K |
| 2024-08-06 | Dyer Eric Steven | Chief Financial Officer | Grant | 45K | $0.00 | $0 | 57K |
| 2024-08-06 | Riddle Joel Lynn | Chief Executive Officer | Grant | 100K | $0.00 | $0 | 102K |
| 2024-07-02 | Dyer Eric Steven | Chief Financial Officer | Buy | 20 | $23.38 | $468 | 57K |
| 2024-07-01 | Dyer Eric Steven | Chief Financial Officer | Buy | 20 | $24.23 | $485 | 57K |
| 2024-07-01 | Dyer Eric Steven | Chief Financial Officer | Buy | 10 | $24.87 | $249 | 57K |
| 2024-06-28 | Dalton Ryan | Director | Buy | 13K | $24.00 | $300K | 13K |
| 2024-06-28 | Reed Stephanie L | Director | Buy | 8K | $24.00 | $198K | 8K |
| 2024-06-28 | Barrett Fredrick J | Director | Buy | 7K | $24.00 | $158K | 14K |
| 2024-06-28 | Riddle Joel Lynn | Chief Executive Officer | Grant | 100K | $0.00 | $0 | 102K |
| 2024-06-28 | STONEBURNER RICHARD K | Director | Buy | 9K | $24.00 | $204K | 39K |
| 2024-06-28 | Sheffield Holdings, LP | TenPercentOwner | Buy | 500K | $24.00 | $12.0M | 2.2M |
| 2024-06-28 | Robb Andrew John | Director | Buy | 2K | $24.00 | $48K | 2K |
| 2024-06-28 | Dyer Eric Steven | Chief Financial Officer | Buy | 3K | $24.00 | $60K | 59K |
| 2024-06-28 | Dyer Eric Steven | Chief Financial Officer | Grant | 45K | $0.00 | $0 | 56K |
| 2024-06-28 | Thibodeaux Faron James | Chief Operating Officer | Grant | 55K | $0.00 | $0 | 89K |
| 2024-06-28 | Thibodeaux Faron James | Chief Operating Officer | Buy | 17K | $24.00 | $408K | 106K |
| 2024-06-28 | Dyer Eric Steven | Chief Financial Officer | Buy | 500 | $24.00 | $12K | 57K |
| 2024-06-28 | STONEBURNER RICHARD K | Director | Buy | 8K | $24.00 | $199K | 39K |
| 2024-06-28 | Thibodeaux Faron James | Chief Operating Officer | Buy | 15K | $24.00 | $360K | 104K |
| 2024-06-27 | Dyer Eric Steven | Chief Financial Officer | Buy | 100 | $22.50 | $2K | 57K |
Form 4 filings are due within two business days of the trade. Insiders sell for many reasons that say nothing about the company; open-market buys are rarer.
Large holders (13D and 13G)
One row per reporting person with its latest filing, newest first. JSON6 holders report 5% or more of TBN in their latest filing, 3 on Schedule 13D (active intent). The largest reported stake is Bryan Sheffield at 10.4% of the class (3,646,756 shares), filed 2026-09-29 for an event on 2026-09-25.
| Filed | Form | Holder | Shares | Of class | Event |
|---|---|---|---|---|---|
| 2026-09-29 | 13D/Ano. 7 | Bryan Sheffieldindividual | 3.6M | 10.4% | 2026-09-25 |
| 2026-09-29 | 13D/Ano. 7 | Sheffield Holdings, LPpartnership | 2.6M | 7.4% | 2026-09-25 |
| 2026-09-29 | 13D/Ano. 7 | Spraberry Interests, LLCother entity | 2.6M | 7.4% | 2026-09-25 |
| 2026-09-29 | 13D/Ano. 7 | Daly Waters Energy, LPpartnership | 876K | 2.5% | 2026-09-25 |
| 2026-09-29 | 13D/Ano. 7 | Formentera Australia Fund I GP, LPpartnership | 876K | 2.5% | 2026-09-25 |
| 2026-09-29 | 13D/Ano. 7 | Formentera Investments LLCother entity | 876K | 2.5% | 2026-09-25 |
| 2026-08-13 | 13G | HITE Hedge Asset Management LLCinvestment adviser | 2.9M | 8.3% | 2026-06-30 |
| 2026-08-13 | 13G | HITE Hedge Asset Management LPparent holding company | 2.9M | 8.3% | 2026-06-30 |
| 2026-08-13 | 13G | Robert Matthew Niblackparent holding company, individual | 2.9M | 8.3% | 2026-06-30 |
| 2026-01-07 | 13G/Ano. 1 | Helmerich & Payne, Inc.corporation | 1.0M | 5.0% | 2025-12-31 |
| 2026-01-07 | 13G/Ano. 1 | Helmerich & Payne International Holdings, LLCother entity | 1.0M | 5.0% | 2025-12-31 |
13F holders
Tracked managers holding TBN at their latest 13F. JSON2 of the 30 tracked managers held TBN at their latest 13F, $21.1M in total at quarter-end prices. Citadel Advisors is the largest at $12.9M (0.0% of its portfolio) as of 2026-06-30. Over the prior quarter 2 added shares and 0 cut.
| Fund | Quarter | Shares | Value | Of portfolio | Change in shares |
|---|---|---|---|---|---|
| Citadel Advisors | 2026-06-30 | 398K | $12.9M | 0.00% | +251K |
| Two Sigma Investments | 2026-06-30 | 252K | $8.2M | 0.01% | +99K |
Only the 30 tracked managers on the funds hub; a 13F reports long positions in US listed stock at quarter end, 45 days late, and says nothing about shorts or positions sold since.
What this page is
Tamboran Resources in the regulatory record
Regulators publish company data in separate files that never sit next to each other: FINRA's twice-monthly short interest, its daily short sale volume, the SEC's fails-to-deliver counts, and each insider's Form 4. A company page puts those series for one ticker on one URL, with planned sales, large holders, 13F holders and financials beside them, so the short position, the daily flow, the settlement fails and what insiders are doing can be read together.
Each section has its own history table, a one-line summary of the latest figures and its own JSON and CSV links, and says when its source last updated.
This page follows Tamboran Resources (TBN), SEC CIK 1997652, listed on NYSE, classified by the SEC as crude petroleum & natural gas. The cross-market tables live on the short interest and insider transactions hubs.
Source and updates
- Short interest
- FINRA consolidated short interestSource: FINRA.Twice a month, about eight business days after settlement. Latest 2026-10-15.JSON and CSV
- Daily short volume
- FINRA Reg SHO daily filesSource: FINRA.Every trading day, the morning after FINRA posts it. Latest 2026-11-03.JSON and CSV
- Fails to deliver
- SEC fails-to-deliver dataSource: SEC.Twice a month, a few weeks after the half month ends. Latest 2026-10-14.JSON and CSV
- Large holders
- SEC EDGAR Schedule 13D and 13GSource: SEC.New filings appear shortly after the SEC posts them. A 13D is due within five business days of crossing 5%; a 13G follows the passive schedule. Latest 2026-09-29.JSON and CSV
- 13F holders
- SEC EDGAR Form 13F-HRSource: SEC.Quarterly, filed within 45 days of quarter end; 30 tracked managers. Latest 2026-06-30.JSON and CSV
- Earnings dates
- SEC EDGAR 8-K filings (Item 2.02)Source: SEC.Twice a day. Reported dates come from the company's 8-K filings; the next date is marked as an estimate until the 8-K arrives. Latest 2026-09-25.JSON and CSV
- Insider trades
- SEC EDGAR Form 4Source: SEC.New filings appear shortly after the SEC posts them; they're due two business days after the trade. Latest 2026-06-01.JSON and CSV
- Company record
- EDGAR filing index for CIK 1997652Ticker, name and exchange from the SEC's company list, refreshed weekly.
- Rate limits
- 10 requests a minute without a key, 30 with a free key from a free account.
How to read it
- Read the position against the flow: rising short interest with a high daily short share is new shorting; rising short interest with a normal short share is old shorts holding on.
- Insider buys next to a large short position are rare and stand out; insider sells next to one are common and mean little.
- Fails to deliver matter relative to the float, not in absolute shares; a million failed shares in a mega cap is noise.
Analysis of what the data shows, not advice. XOOMAR does not recommend buying, selling or holding anything.
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Frequently Asked Questions
How much of TBN is sold short?
385,284 shares were held short at the 2026-10-15 settlement, 2.6 days of average volume. FINRA publishes the next count about eight business days after the 15th and the last business day of the month.
What is TBN's daily short volume?
On 2026-11-03, 38,971 of the 71,961 TBN shares reported to FINRA were sold short, 54.2% of the day's reported volume. Short volume is a flow for one day, not a position.
Does TBN have fails to deliver?
The SEC's latest file shows 13,000 TBN shares failed to deliver at settlement 2026-10-14. Fails are reported per settlement date and published twice a month with a lag.
Are TBN insiders buying or selling?
No open-market insider trades were reported for TBN in the last 90 days. The most recent filings are listed below. Latest filing: STONEBURNER RICHARD K (Director) on 2026-06-01.
Who owns 5% or more of TBN?
6 holders report 5% or more of TBN in their latest filing, 3 on Schedule 13D (active intent). The largest reported stake is Bryan Sheffield at 10.4% of the class (3,646,756 shares), filed 2026-09-29 for an event on 2026-09-25.
Which tracked 13F managers own TBN?
2 of the 30 tracked 13F managers held TBN shares at their latest filing, $21.1M in all. The largest: Ken Griffin's Citadel Advisors (398K shares, $12.9M), Two Sigma Investments (252K shares, $8.2M).
Data on this page is provided for informational purposes only and is not financial advice. See our editorial policy.