Northwire Canada EditionFriday, July 10, 2026
Northwire
TLO 5.37 +5.7% BNKR 4.88 +1.7% GG 2.25 +3.2% MJS 0.100 +5.3% PAAS 62.54 +3.6% PE 0.230 +0.0% SGML 17.19 +4.8% LAR 10.34 −1.1% NED 0.025 +0.0% GEN 0.080 +0.0% TVI 0.060 +0.0% SKYG 0.025 −37.5% WRLG 0.660 +6.5% FFU 0.120 −7.7% LOD 0.310 +3.3% CBI 0.110 +0.0% TLO 5.37 +5.7% BNKR 4.88 +1.7% GG 2.25 +3.2% MJS 0.100 +5.3% PAAS 62.54 +3.6% PE 0.230 +0.0% SGML 17.19 +4.8% LAR 10.34 −1.1% NED 0.025 +0.0% GEN 0.080 +0.0% TVI 0.060 +0.0% SKYG 0.025 −37.5% WRLG 0.660 +6.5% FFU 0.120 −7.7% LOD 0.310 +3.3% CBI 0.110 +0.0%
Drill Results Neutral

Cosa Commences Largest Drill Program to Date at the Murphy Lake North Uranium Joint Venture with Denison Mines

Phoenix construction remains on track while exploration joint venture updates continue to provide incremental progress to core production catalysts.

Executive Summary
  • The most recent release (June 18, 2026) is a Cosa Resources press release announcing the commencement of its largest summer drill program (~6,000 metres across 15 holes) at the Murphy Lake North (MLN) project.
  • Denison Mines holds a 30% interest in the MLN joint venture and is participating in the exploration funding to maintain its stake.
  • The program targets the Cyclone trend, which remains open along strike for 600 metres in both directions, following winter 2026 intersections of anomalous radioactivity and uranium mineralization.
  • This is an incremental exploration update for a JV asset; it does not alter Denison's core production timeline or capital allocation for its flagship Phoenix ISR mine.
Material Impact
  • The Cosa drill program announcement is Routine - Neutral for Denison.
  • It represents a minor exploration update on a 30% JV interest. While the Cyclone trend shows promising structural and alteration features, it is in early exploration stages and does not impact Denison's near-term production or cash flow.
  • The market's reaction (price consolidation between $4.20 and $4.70 in June) suggests the news was fully priced in or viewed as standard portfolio maintenance rather than a catalyst.
  • No material change to the investment thesis, which remains anchored on the Phoenix ISR construction ramp-up and McClean Lake production.
DML · Price
Company Overview
  • Denison Mines is a Canadian uranium producer and explorer headquartered in the Athabasca Basin, Saskatchewan.
  • Flagship asset: Wheeler River Project (95% owned), comprising the Phoenix ISR mine (construction stage) and Gryphon underground deposit (development stage).
  • Operating asset: McClean Lake JV (22.5% owned), which returned to production in July 2025 using the novel SABRE mining method.
  • Exploration portfolio: ~457,000 hectares in the Eastern Athabasca Basin, including significant JV interests in Murphy Lake North and Darby with Cosa Resources, and Midwest/Waterbury ISR projects.
  • Leadership: David Cates (CEO), Elizabeth Sidle (CFO).
Read the original news release →

More from Denison Mines Corp.