CONTANGO ORE INC CTGO
COM · Common Stock · CUSIP 21077F100
- SectorMaterials
- IndustryGold and Silver Ores
- HeadquartersFairbanks, AK
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($5.7k this quarter). Holder counts are more reliable. Shares outstanding: 33.4m as of 2026-08-13, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $15.80. Options: 5 managers hold calls ($3.2m notional), 6 hold puts ($4.5m).
Trends to Q2 2026
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 18 |
| Q4 2022 | 18 |
| Q1 2023 | 21 |
| Q2 2023 | 37 |
| Q3 2023 | 35 |
| Q4 2023 | 37 |
| Q1 2024 | 38 |
| Q2 2024 | 47 |
| Q3 2024 | 54 |
| Q4 2024 | 56 |
| Q1 2025 | 60 |
| Q2 2025 | 74 |
| Q3 2025 | 85 |
| Q4 2025 | 101 |
| Q1 2026 | 131 |
| Q2 2026 | 118 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q3 2024 | 34 | 5 |
| Q4 2024 | 31 | 15 |
| Q1 2025 | 28 | 20 |
| Q2 2025 | 37 | 25 |
| Q3 2025 | 45 | 29 |
| Q4 2025 | 67 | 34 |
| Q1 2026 | 99 | 37 |
| Q2 2026 | 79 | 56 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2025 | $3.1m | $27.0k | 0.01 |
| Q4 2025 | $3.4m | $438.4k | 0.13 |
| Q1 2026 | $3.9m | $5.6m | 1.46 |
| Q2 2026 | $3.2m | $4.5m | 1.40 |
Biggest buyers
| STATE STREET CORP | Added | +2.1m |
| BlackRock, Inc. | Added | +839.1k |
| Alyeska Investment Group, L.P. | Added | +750.0k |
| VANGUARD CAPITAL MANAGEMENT LLC | Added | +529.0k |
| VAN ECK ASSOCIATES CORP | Added | +364.1k |
| RAFFLES ASSOCIATES LP | Added | +154.7k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | Added | +95.0k |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | New | +90.3k |
| GEODE CAPITAL MANAGEMENT, LLC | Added | +85.5k |
| Jump Financial, LLC | Added | +40.1k |
Biggest sellers
| Tidal Investments LLC | Sold out | -220.1k |
| FEDERATED HERMES, INC. | Reduced | -204.8k |
| MILLENNIUM MANAGEMENT LLC | Sold out | -134.0k |
| BANK OF AMERICA CORP /DE/ | Reduced | -75.9k |
| RENAISSANCE TECHNOLOGIES LLC | Reduced | -73.0k |
| D. E. Shaw & Co., Inc. | Sold out | -70.0k |
| LOS ANGELES CAPITAL MANAGEMENT LLC | Sold out | -69.8k |
| JANE STREET GROUP, LLC | Sold out | -66.4k |
| Monaco Asset Management SAM | Sold out | -47.9k |
| XTX Topco Ltd | Sold out | -47.0k |
Biggest calls
| GROUP ONE TRADING LLC | Added | $1.9m117.8k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $566.9k35.9k shares |
| SIMPLEX TRADING, LLC | Added | $284.2k18.0k shares |
| IMC-Chicago, LLC | Added | $281.1k17.8k shares |
| CITADEL ADVISORS LLC | Added | $232.6k14.7k shares |
Biggest puts
| SIMPLEX TRADING, LLC | Reduced | $1.5m93.8k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $1.3m83.3k shares |
| CITADEL ADVISORS LLC | Added | $938.6k59.4k shares |
| JANE STREET GROUP, LLC | Reduced | $360.9k22.9k shares |
| IMC-Chicago, LLC | Reduced | $222.6k14.1k shares |
| GROUP ONE TRADING LLC | Reduced | $184.7k11.7k shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| STATE STREET CORP 13G · institution new · filed 2026-08-07 | 7.6% |
| Alyeska Investment Group, L.P. 13G · institution -2.8 pts · filed 2026-05-15 | 7.1% |
| BlackRock, Inc. 13G · institution +2.4 pts · filed 2026-07-29 | 6.9% |
Fell to 5% or below in the last year: FRANKLIN RESOURCES INC (4.0%, 2026-04-29), Queen's Road Capital Investment Ltd. (4.4%, 2026-02-13)
Insider purchases and sales since 1 Apr 2026
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q4 2024 | 3 | $528.1k | 0 | — | — |
| Q1 2025 | 1 | $99.8k | 1 | $15.6k | — |
| Q2 2025 | 1 | $153.8k | 0 | — | — |
| Q3 2025 | 0 | — | 3 | $796.7k | — |
| Q4 2025 | 0 | — | 0 | — | — |
| Q1 2026 | 0 | — | 3 | $1.4m | — |
| Q2 2026 | 2 | $248.3k | 0 | — | — |
| Q3 2026 | 0 | — | 2 | $29.0k | — |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2026-08-19 | Clark Michael Aaron CFO | Sold | $27.0k1.3k shares |
| 2026-08-19 | Larimer David Gregory VP Exploration | Sold | $2.0k96 shares |
| 2026-06-25 | Van Nieuwenhuyse Rick President & CEO, director | Bought | $62.7k4.1k shares |
| 2026-04-01 | Nauman Clynton R. Director | Bought | $185.6k10.0k shares |
Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).
Holders, Q2 2026
| Manager | Shares | Change |
|---|---|---|
| STATE STREET CORP 0.00% of their portfolio | 2.3m $36.9m | Added +2.1m |
| BlackRock, Inc. 0.00% of their portfolio | 2.2m $34.2m | Added +839.1k |
| Alyeska Investment Group, L.P. 0.09% of their portfolio | 2.1m $33.6m | Added +750.0k |
| FRANKLIN RESOURCES INC 0.00% of their portfolio | 1.3m $20.3m | Added +24.8k |
| VANGUARD CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 1.2m $19.2m | Added +529.0k |
| VAN ECK ASSOCIATES CORP 0.01% of their portfolio | 819.1k $12.9m | Added +364.1k |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 668.2k $10.6m | Added +85.5k |
| BARINGS LLC 0.13% of their portfolio | 476.2k $7.5m | Unchanged |
| Ninepoint Partners LP 0.51% of their portfolio | 361.9k $5.7m | Unchanged |
| MARSHALL WACE, LLP 0.00% of their portfolio | 266.8k $4.2m | Reduced -36.2k |
| RAFFLES ASSOCIATES LP 1.57% of their portfolio | 226.1k $3.6m | Added +154.7k |
| NORTHERN TRUST CORP 0.00% of their portfolio | 212.6k $3.4m | Added +40.0k |
| VANGUARD FIDUCIARY TRUST CO 0.00% of their portfolio | 186.8k $3.0m | Added +28.7k |
| VANGUARD PORTFOLIO MANAGEMENT LLC 0.00% of their portfolio | 181.4k $2.9m | Added +3.5k |
| UBS Group AG 0.00% of their portfolio | 139.1k $2.2m | Added +27.2k |
| MORGAN STANLEY 0.00% of their portfolio | 135.7k $2.1m | Added +22.1k |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 131.9k $2.1m | Reduced -75.9k |
| GABELLI FUNDS LLC 0.01% of their portfolio | 126.5k $2.0m | Unchanged |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio | 115.7k $1.8m | Reduced -17.6k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio | 95.3k $1.5m | Added +95.0k |
| SPROTT INC. 0.05% of their portfolio | 94.6k $1.5m | Added +23.0k |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.00% of their portfolio | 90.3k $1.4m | New |
| Russell Investments Group, Ltd. 0.00% of their portfolio | 87.5k $1.4m | Added +6.2k |
| FEDERATED HERMES, INC. 0.00% of their portfolio | 83.5k $1.3m | Reduced -204.8k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio | 80.6k $1.3m | Added +18.3k |
| Cambridge Investment Research Advisors, Inc. 0.00% of their portfolio | 76.9k $1.2m | Added +35.6k |
| Bank of New York Mellon Corp 0.00% of their portfolio | 71.7k $1.1m | Added +27.2k |
| WITTENBERG INVESTMENT MANAGEMENT, INC. 0.34% of their portfolio | 62.7k $989.7k | Added +9.9k |
| RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio | 62.2k $982.7k | Reduced -73.0k |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 60.7k $958.4k | Added +34.0k |
| Minerva Advisors LLC 0.60% of their portfolio | 59.6k $941.8k | Unchanged |
| Jump Financial, LLC 0.01% of their portfolio | 56.1k $886.5k | Added +40.1k |
| ROYAL BANK OF CANADA 0.00% of their portfolio | 49.6k $784.0k | Reduced -1.8k |
| Nuveen, LLC 0.00% of their portfolio | 44.4k $700.8k | Added +19.0k |
| DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio | 35.4k $558.3k | New |
| RHUMBLINE ADVISERS 0.00% of their portfolio | 31.4k $496.1k | Added +17.8k |
| Quantbot Technologies LP 0.02% of their portfolio | 28.8k $454.3k | Reduced -21.1k |
| Numerai GP LLC 0.04% of their portfolio | 27.1k $428.1k | Added +4.9k |
| ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio | 26.1k $489.4k | Added +13.2k |
| DEUTSCHE BANK AG\ 0.00% of their portfolio | 26.1k $411.6k | Added +6.5k |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 25.3k $399.5k | Added +16.1k |
| J.W. COLE ADVISORS, INC. 0.01% of their portfolio | 23.0k $363.8k | New |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio | 21.9k $346.0k | Added +6.9k |
| IMC-Chicago, LLC 0.00% of their portfolio | 21.2k $335.4k | New |
| TMB Capital Partners, LLC 0.10% of their portfolio | 20.4k $322.3k | Unchanged |
| Creative Planning 0.00% of their portfolio | 20.3k $321.0k | New |
| WEXFORD CAPITAL LP 0.04% of their portfolio | 20.0k $315.1k | New |
| MARTINGALE ASSET MANAGEMENT L P 0.01% of their portfolio | 19.8k $313.4k | Added +6.7k |
| EntryPoint Capital, LLC 0.08% of their portfolio | 19.8k $312.2k | New |
| SIMPLEX TRADING, LLC 0.01% of their portfolio | 19.3k $305.2k | Added +3.8k |
| Quadrature Capital Ltd 0.00% of their portfolio | 19.0k $300.5k | New |
| Cetera Investment Advisers 0.00% of their portfolio | 18.5k $291.4k | Added +7.6k |
| STATE OF WISCONSIN INVESTMENT BOARD 0.00% of their portfolio | 17.7k $279.2k | Reduced -4.5k |
| Total Wealth Planning & Management, Inc. 0.19% of their portfolio | 16.3k $257.4k | Added +369 |
| MetLife Investment Management, LLC 0.00% of their portfolio | 16.0k $252.7k | Added +3.9k |
| Invesco Ltd. 0.00% of their portfolio | 15.9k $250.7k | Added +2.8k |
| AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 14.0k $221.0k | Reduced -33.0k |
| Schonfeld Strategic Advisors LLC 0.00% of their portfolio | 13.5k $212.9k | Added +2.7k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 13.1k $205.1k | Added +3.8k |
| CITIGROUP INC 0.00% of their portfolio | 12.5k $198.1k | Added +11.9k |
| LPL Financial LLC 0.00% of their portfolio | 12.2k $192.1k | New |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% of their portfolio | 12.1k $191.3k | Added +2.2k |
| AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio | 12.1k $191.2k | New |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 11.4k $180.0k | Reduced -11.0k |
| Vanguard Global Advisers, LLC 0.00% of their portfolio | 10.9k $171.5k | Reduced -3.8k |
| Squarepoint Ops LLC 0.00% of their portfolio | 10.4k $164.8k | New |
| FNY Investment Advisers, LLC 0.06% of their portfolio | 10.0k $157.0k | New |
| Police & Firemen's Retirement System of New Jersey 0.00% of their portfolio | 8.7k $138.1k | Added +6.0k |
| NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio | 5.4k $84.7k | Added +1.9k |
| BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio | 4.3k $68.1k | Reduced -16.5k |
| BARCLAYS PLC 0.00% of their portfolio | 4.2k $65.6k | Reduced -1.1k |
| NATIONAL BANK OF CANADA /FI/ 0.00% of their portfolio | 3.3k $60.3k | Added +2.4k |
| Federation des caisses Desjardins du Quebec 0.00% of their portfolio | 3.1k $46.5k | Added +594 |
| FMR LLC 0.00% of their portfolio | 2.8k $44.3k | Added +1.2k |
| FIFTH THIRD BANCORP 0.00% of their portfolio | 2.8k $43.8k | Added +2.8k |
| Legal & General Group Plc 0.00% of their portfolio | 2.6k $40.3k | Added +761 |
| Tower Research Capital LLC (TRC) 0.00% of their portfolio | 2.5k $39.4k | Added +544 |
| CoreCap Advisors, LLC 0.00% of their portfolio | 2.5k $39.1k | Reduced -2.2k |
| Ameritas Investment Partners, Inc. 0.00% of their portfolio | 2.4k $37.7k | Added +775 |
| NISA INVESTMENT ADVISORS, LLC 0.00% of their portfolio | 2.4k $37.4k | Added +2.3k |
| MATHER GROUP, LLC. 0.00% of their portfolio | 1.6k $24.5k | Unchanged |
| GROUP ONE TRADING LLC 0.00% of their portfolio | 1.3k $21.2k | Reduced -11.7k |
| Rockefeller Capital Management L.P. 0.00% of their portfolio | 1.0k $16.3k | New |
| Integrated Wealth Concepts LLC 0.00% of their portfolio | 874 $13.8k | New |
| PNC Financial Services Group, Inc. 0.00% of their portfolio | 558 $8.8k | Added +319 |
| SBI Securities Co., Ltd. 0.00% of their portfolio | 552 $8.7k | Added +355 |
| OSAIC HOLDINGS, INC. 0.00% of their portfolio | 464 $7.3k | New |
| Global Retirement Partners, LLC 0.00% of their portfolio | 456 $7.2k | First filing |
| GAMMA Investing LLC 0.00% of their portfolio | 436 $6.9k | Added +240 |
| Owl Creek Wealth Partners LLC 0.00% of their portfolio | 405 $6.4k | New |
| RMG Wealth Management LLC 0.00% of their portfolio | 400 $7.8k | Added +75 |
| Allworth Financial LP 0.00% of their portfolio | 380 $6.0k | Reduced -61 |
| Fairscale Capital, LLC 0.00% of their portfolio | 371 $5.9k | Unchanged |
| JONES FINANCIAL COMPANIES LLLP 0.00% of their portfolio | 370 $5.8k | Reduced -85 |
| TD Waterhouse Canada Inc. 0.00% of their portfolio | 322 $5.2k | Unchanged |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio | 295 $4.7k | Reduced -306 |
| CALDWELL SUTTER CAPITAL, INC. 0.00% of their portfolio | 293 $4.6k | Unchanged |
| SIGNATUREFD, LLC 0.00% of their portfolio | 212 $3.3k | New |
| Sankala Group LLC 0.00% of their portfolio | 125 $2.4k | Unchanged |
| Arax Advisory Partners 0.00% of their portfolio | 109 $1.7k | New |