Onyx Gold Corp.
Onyx Gold's 100%-owned, 109 km2 Munro-Croesus property sits in the Abitibi greenstone belt ~75km east of Timmins, Ontario, and hosts the past-producing high-grade Croesus Gold Mine plus the newly discovered Argus North zone. The company expanded its 2025-2026 drill program to 110,000m across four rigs to define a maiden resource, backed by a strategic investment from Gold Fields. Onyx reported CAD $22.64 million cash and minimal debt as of its March 31, 2026 fiscal year end, and was named to the 2026 TSX Venture 50.
Notable vs. Peers
- Financials score of 10/10 is stronger than the peer average of 6.6/10.
Lifecycle Milestones
A relative ranking of how closely this company matches the profile of juniors that have actually been acquired — not a probability, and not a reason to buy. Acquisitions are rare: only a few dozen significant deals happen a year across a universe of thousands of juniors, so even a high score here describes a long shot. The strongest signal the underlying research identifies — whether a major already holds a JV, earn-in, or 5–19.9% strategic stake — isn't tracked yet and is absent from this score.
Your Rankings
Management Team
President and CEO of Onyx Gold Corp. (B.Sc., MBA) 12+ years in the resource sector; former Mining Research Analyst at Cormark Securities and Mining Equity Sales Specialist at Canaccord Genuity (raised over $2B for mining clients); prior exploration/production geologist at AuRico Gold.
Chief Executive Officer and Director of Mackay Gold & Silver Corp., leading the company's strategic direction and discovery initiatives in the Comstock District, Nevada.
VP, Exploration at Onyx Gold Corp. (M.Sc., P.Geo.) Gold/base-metal exploration in Canada, US and Greece since 2006; formerly Senior Geologist/Ontario Project Manager at HighGold Mining and Senior Project Geologist at Constantine Metal Resources.
Chief Financial Officer of Mackay Gold & Silver Corp., managing financial operations and corporate strategy for the exploration company.
VP, Investor Relations at Onyx Gold Corp. 20+ years in mineral exploration/mining IR; previously Manager of Investor Relations at Orezone Gold Corp., with prior roles at IDM Mining and ATAC Resources.
Executive Vice President of Maple Gold Mines Ltd. Previously Executive Vice President of Onyx Gold Corp. (per Maple Gold's own listing this is now a PRIOR role, not concurrent -- the Onyx PersonMinerRole's ONGOING/null endDate in this database is stale and was not corrected by this merge, which touches identity only; flagged as an open follow-up in the Task #526 closure note). Vancouver-based mining executive with a proven Archean lode-gold discovery record across Ontario, Quebec and West Africa; exploration and project-management experience spans HighGold Mining's Johnson Tract (Alaska), NewCastle Gold's Castle Mountain (California), True Gold Mining's Karma mine (Burkina Faso), Fronteer Gold's Long Canyon (Nevada), and projects in Turkey and Labrador. Led the exploration team at Homestake Mining's/Barrick Gold's Eskay Creek mine in British Columbia, 1997-2003. Also affiliated with HighGold Mining Inc. and Constantine Metal Resources. (Task #526 merge; sourced from RocketReach/LinkedIn bio and Maple Gold Mines' own management-team news release.)
Insiders, Investors & Smart Money
Notable shareholders and insiders whose involvement is worth knowing about, plus what we're seeing from institutional/large-investor activity.
Gold Fields Limited, one of the world's largest gold producers, paid cash for a real 9.4% strategic stake in June 2025, closing out a non-brokered placement that made it Onyx's named strategic investor -- a genuine, sizeable producer conviction bet, not a passive holding. Franklin Resources is separately reported at 11% as of July 2025 -- a sized, double-digit position from a large active manager, though the specific Franklin fund behind it is not disclosed, and Franklin's exposure to a junior Timmins gold explorer would most naturally sit in its dedicated gold fund rather than its generalist products. Director Brock Colterjohn also bought 7,583 shares on the open market at $1.13 in November 2025. Institutional ownership is 19.3%, below the level that would corroborate further.
No notable insiders tracked for this miner yet.
Reports, Presentations & Documents
Munro-Croesus Gold Project (Abitibi Greenstone Belt, Ontario, 100%-owned): no current NI 43-101 mineral resource estimate has been published. Only historic production data exists (past-producing Croesus Mine, 1915-1936: 14,859 oz from 5,333 short tons at 2.78 opt / 95.3 g/t Au). Company is mid-way through an expanded 110,000m 2026 drill program (four rigs) explicitly aimed at defining a maiden resource at the Argus Zones and elsewhere; not yet delivered as of this pass. ouncesFound left null -- genuinely no data exists yet. FLAG: worth a human recheck of the RESOURCE_DEFINITION stage tag given no MRE has ever been filed (out of scope to change here). [Task #317 stage correction, 2026-08-18]: Independent re-verification (WebSearch, 2026-08-18) corroborates directly: 'the company has not... published a maiden mineral resource estimate... as of August 2026.' The prior FLAG above is resolved: stage corrected RESOURCE_DEFINITION -> GRASSROOTS.