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 ($246.2k this quarter). Holder counts are more reliable. Shares outstanding: 16.8m as of 2026-03-16, 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 ≈ $18.76. Options: 6 managers hold calls ($3.9m notional), 7 hold puts ($5.6m).
Trends to Q1 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 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q2 2024 | 29 | 10 |
| 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 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q2 2025 | $0 | $0 | — |
| Q3 2025 | $3.1m | $27.0k | 0.01 |
| Q4 2025 | $3.4m | $438.4k | 0.13 |
| Q1 2026 | $3.9m | $5.6m | 1.46 |
Biggest buyers
| BlackRock, Inc. | Added | +596.4k |
| Alyeska Investment Group, L.P. | Added | +513.1k |
| FRANKLIN RESOURCES INC | Added | +503.1k |
| Ninepoint Partners LP | New | +361.9k |
| GEODE CAPITAL MANAGEMENT, LLC | Added | +324.1k |
| FEDERATED HERMES, INC. | Added | +286.4k |
| Tidal Investments LLC | New | +220.1k |
| BANK OF AMERICA CORP /DE/ | Added | +197.5k |
| MARSHALL WACE, LLP | Added | +142.4k |
| MILLENNIUM MANAGEMENT LLC | Added | +123.5k |
Biggest sellers
| GLAZER CAPITAL, LLC | Sold out | -320.1k |
| Invesco Ltd. | Reduced | -91.3k |
| Inspire Investing, LLC | Sold out | -46.7k |
| GLOBEFLEX CAPITAL L P | Sold out | -34.6k |
| Ellsworth Advisors, LLC | Sold out | -33.1k |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | Sold out | -18.2k |
| Minerva Advisors LLC | Reduced | -16.5k |
| HSBC HOLDINGS PLC | Sold out | -15.7k |
| Graham Capital Management, L.P. | Sold out | -15.5k |
| JPMORGAN CHASE & CO | Reduced | -14.4k |
Biggest calls
| GROUP ONE TRADING LLC | New | $2.0m104.7k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | New | $778.1k41.5k shares |
| SIMPLEX TRADING, LLC | Reduced | $326.2k17.4k shares |
| JANE STREET GROUP, LLC | Reduced | $316.8k16.9k shares |
| CITADEL ADVISORS LLC | Reduced | $249.8k13.3k shares |
| IMC-Chicago, LLC | New | $225.0k12.0k shares |
Biggest puts
| SIMPLEX TRADING, LLC | Added | $2.4m125.4k shares |
| GROUP ONE TRADING LLC | Added | $982.5k52.4k shares |
| CITADEL ADVISORS LLC | New | $582.7k31.1k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | New | $504.4k26.9k shares |
| CSS LLC/IL | New | $452.5k24.1k shares |
| JANE STREET GROUP, LLC | Added | $445.8k23.8k shares |
| IMC-Chicago, LLC | New | $307.5k16.4k 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 in Q1 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 |
|---|---|---|---|---|---|
| Q2 2024 | 0 | — | 3 | $187.2k | — |
| Q3 2024 | 0 | — | 4 | $253.3k | — |
| 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 | — |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2026-03-19 | Van Nieuwenhuyse Rick President & CEO, director | Sold | $387.4k21.6k shares |
| 2026-03-19 | Clark Michael Aaron CFO & Secretary | Sold | $180.5k10.1k shares |
| 2026-03-19 | Larimer David Gregory VP Exploration | Sold | $49.7k2.8k shares |
| 2026-01-08 | Van Nieuwenhuyse Rick President & CEO, director | Sold | $509.8k19.6k shares |
| 2026-01-08 | Clark Michael Aaron CFO & Secretary | Sold | $262.5k10.1k 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, Q1 2026
| Manager | Shares | Change |
|---|---|---|
| Alyeska Investment Group, L.P. 0.07% of their portfolio | 1.4m $25.8m | Added +513.1k |
| BlackRock, Inc. 0.00% of their portfolio | 1.3m $24.9m | Added +596.4k |
| FRANKLIN RESOURCES INC 0.01% of their portfolio | 1.3m $23.7m | Added +503.1k |
| VANGUARD CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 688.0k $12.9m | First filing |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 582.7k $10.9m | Added +324.1k |
| BARINGS LLC 0.14% of their portfolio | 476.2k $8.9m | Unchanged |
| VAN ECK ASSOCIATES CORP 0.01% of their portfolio | 455.0k $8.5m | Added +51.9k |
| Ninepoint Partners LP 0.80% of their portfolio | 361.9k $6.8m | New |
| MARSHALL WACE, LLP 0.01% of their portfolio | 303.0k $5.7m | Added +142.4k |
| FEDERATED HERMES, INC. 0.01% of their portfolio | 288.3k $5.4m | Added +286.4k |
| STATE STREET CORP 0.00% of their portfolio | 275.8k $5.2m | Added +91.9k |
| Tidal Investments LLC 0.01% of their portfolio | 220.1k $4.1m | New |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 207.8k $3.9m | Added +197.5k |
| VANGUARD PORTFOLIO MANAGEMENT LLC 0.00% of their portfolio | 178.0k $3.3m | First filing |
| NORTHERN TRUST CORP 0.00% of their portfolio | 172.7k $3.2m | Added +90.2k |
| VANGUARD FIDUCIARY TRUST CO 0.00% of their portfolio | 158.1k $3.0m | First filing |
| RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio | 135.3k $2.5m | Added +6.5k |
| MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio | 134.0k $2.5m | Added +123.5k |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio | 133.3k $2.5m | Added +103.7k |
| GABELLI FUNDS LLC 0.02% of their portfolio | 126.5k $2.4m | Unchanged |
| MORGAN STANLEY 0.00% of their portfolio | 113.6k $2.1m | Added +80.6k |
| UBS Group AG 0.00% of their portfolio | 111.9k $2.1m | Added +53.7k |
| Russell Investments Group, Ltd. 0.00% of their portfolio | 81.3k $1.5m | Added +79.0k |
| SPROTT INC. 0.04% of their portfolio | 71.6k $1.3m | New |
| RAFFLES ASSOCIATES LP 1.16% of their portfolio | 71.4k $1.3m | Unchanged |
| D. E. Shaw & Co., Inc. 0.00% of their portfolio | 70.0k $1.3m | Added +59.0k |
| LOS ANGELES CAPITAL MANAGEMENT LLC 0.01% of their portfolio | 69.8k $1.3m | Added +40.3k |
| JANE STREET GROUP, LLC 0.00% of their portfolio | 66.4k $1.2m | New |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio | 62.3k $1.2m | Added +28.5k |
| Minerva Advisors LLC 0.72% of their portfolio | 59.6k $1.1m | Reduced -16.5k |
| WITTENBERG INVESTMENT MANAGEMENT, INC. 0.37% of their portfolio | 52.8k $989.6k | Added +15.4k |
| ROYAL BANK OF CANADA 0.00% of their portfolio | 51.4k $963.0k | Added +50.6k |
| Quantbot Technologies LP 0.04% of their portfolio | 49.9k $934.9k | Added +44.1k |
| Monaco Asset Management SAM 0.29% of their portfolio | 47.9k $898.9k | New |
| XTX Topco Ltd 0.02% of their portfolio | 47.0k $881.9k | Added +20.8k |
| AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 47.0k $881.1k | Added +19.8k |
| Bank of New York Mellon Corp 0.00% of their portfolio | 44.6k $835.9k | Added +9.2k |
| Cambridge Investment Research Advisors, Inc. 0.00% of their portfolio | 41.4k $776.0k | New |
| OAK RIDGE INVESTMENTS LLC 0.05% of their portfolio | 39.6k $743.4k | Added +2.3k |
| AMERIPRISE FINANCIAL INC 0.00% of their portfolio | 38.1k $715.2k | Reduced -433 |
| Man Group plc 0.00% of their portfolio | 33.3k $624.5k | Added +7.0k |
| VICTORY CAPITAL MANAGEMENT INC 0.00% of their portfolio | 31.2k $585.1k | Added +13.4k |
| CSS LLC/IL 0.03% of their portfolio | 27.2k $509.6k | New |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 26.7k $500.3k | Added +16.0k |
| Nuveen, LLC 0.00% of their portfolio | 25.4k $475.3k | Added +12.1k |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.01% of their portfolio | 22.4k $420.0k | Unchanged |
| Numerai GP LLC 0.04% of their portfolio | 22.2k $416.9k | New |
| STATE OF WISCONSIN INVESTMENT BOARD 0.00% of their portfolio | 22.2k $416.7k | New |
| Apis Capital Advisors, LLC 0.06% of their portfolio | 21.5k $403.5k | New |
| BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio | 20.8k $389.4k | Reduced -7.0k |
| CANADA PENSION PLAN INVESTMENT BOARD 0.00% of their portfolio | 20.7k $388.1k | Added +2.3k |
| TMB Capital Partners, LLC 0.13% of their portfolio | 20.4k $382.7k | Added +2.4k |
| WINTON GROUP Ltd 0.01% of their portfolio | 19.9k $373.6k | Added +2.3k |
| DEUTSCHE BANK AG\ 0.00% of their portfolio | 19.5k $366.2k | Added +9.4k |
| Jump Financial, LLC 0.00% of their portfolio | 16.0k $300.8k | New |
| Total Wealth Planning & Management, Inc. 0.24% of their portfolio | 15.9k $298.7k | New |
| SIMPLEX TRADING, LLC 0.01% of their portfolio | 15.6k $292.0k | New |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio | 15.0k $281.0k | New |
| Vanguard Global Advisers, LLC 0.00% of their portfolio | 14.7k $275.4k | First filing |
| AGF MANAGEMENT LTD 0.00% of their portfolio | 14.3k $267.6k | New |
| RHUMBLINE ADVISERS 0.00% of their portfolio | 13.6k $254.4k | Added +69 |
| MARTINGALE ASSET MANAGEMENT L P 0.01% of their portfolio | 13.2k $247.0k | New |
| GROUP ONE TRADING LLC 0.01% of their portfolio | 13.1k $245.1k | Added +8.0k |
| Invesco Ltd. 0.00% of their portfolio | 13.0k $244.3k | Reduced -91.3k |
| ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio | 12.9k $340.7k | Added +1.9k |
| ALPS ADVISORS INC 0.00% of their portfolio | 12.8k $239.9k | New |
| MetLife Investment Management, LLC 0.00% of their portfolio | 12.1k $226.5k | Added +6.4k |
| VIRTUS ADVISERS, LLC 0.10% of their portfolio | 11.3k $211.9k | Unchanged |
| Hudson Bay Capital Management LP 0.00% of their portfolio | 11.1k $208.6k | Reduced -1.9k |
| Jain Global LLC 0.00% of their portfolio | 11.0k $205.3k | Added +394 |
| Cetera Investment Advisers 0.00% of their portfolio | 10.9k $204.5k | New |
| Schonfeld Strategic Advisors LLC 0.00% of their portfolio | 10.8k $202.8k | New |
| Balyasny Asset Management L.P. 0.00% of their portfolio | 10.6k $199.0k | New |
| Ethic Inc. 0.00% of their portfolio | 10.4k $194.9k | Added +917 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% of their portfolio | 9.9k $185.3k | Added +4.8k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 9.3k $155.4k | Reduced -14.4k |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 9.2k $171.9k | Reduced -4.1k |
| State of Tennessee, Department of Treasury 0.00% of their portfolio | 7.7k $145.1k | New |
| BARCLAYS PLC 0.00% of their portfolio | 5.3k $99.2k | Reduced -13.8k |
| Caitong International Asset Management Co., Ltd 0.02% of their portfolio | 5.0k $93.3k | New |
| CoreCap Advisors, LLC 0.00% of their portfolio | 4.7k $87.7k | Added +50 |
| NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio | 3.5k $65.0k | Unchanged |
| STRS OHIO 0.00% of their portfolio | 2.8k $52.5k | Added +1.7k |
| Police & Firemen's Retirement System of New Jersey 0.00% of their portfolio | 2.7k $51.4k | Unchanged |
| Federation des caisses Desjardins du Quebec 0.00% of their portfolio | 2.5k $46.7k | New |
| Tower Research Capital LLC (TRC) 0.00% of their portfolio | 1.9k $36.6k | Added +1.2k |
| Legal & General Group Plc 0.00% of their portfolio | 1.8k $33.6k | Added +626 |
| Ameritas Investment Partners, Inc. 0.00% of their portfolio | 1.6k $30.2k | Added +835 |
| FMR LLC 0.00% of their portfolio | 1.6k $30.2k | Reduced -964 |
| MATHER GROUP, LLC. 0.00% of their portfolio | 1.6k $29.1k | New |
| MEEDER ASSET MANAGEMENT INC 0.00% of their portfolio | 1.1k $20.5k | Reduced -827 |
| MAI Capital Management 0.00% of their portfolio | 1.0k $19.6k | New |
| NATIONAL BANK OF CANADA /FI/ 0.00% of their portfolio | 945 $17.7k | New |
| CWM, LLC 0.00% of their portfolio | 893 $16.7k | Added +8 |
| CITIGROUP INC 0.00% of their portfolio | 629 $11.8k | Added +356 |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio | 601 $11.3k | Reduced -83 |
| State of Wyoming 0.00% of their portfolio | 584 $10.9k | New |
| JONES FINANCIAL COMPANIES LLLP 0.00% of their portfolio | 455 $7.8k | New |
| Allworth Financial LP 0.00% of their portfolio | 441 $8.3k | Reduced -5 |
| Fairscale Capital, LLC 0.00% of their portfolio | 371 $7.0k | New |