Micro Cap Radar

Action-starved traders are shifting attention to small caps amid tech slowdown, highlighted by a $20M strangle trade on the small-cap ETF betting on...

HRT Financial LP's SEC filing detailing ~$63k in EDBL purchases triggered a 23% after-hours surge to $0.11, reversing the regular session's 25% drop....

Syntiant Corp filed for a US IPO seeking to tap AI investor enthusiasm, with low-power processors running ML models on devices like earbuds,...

Context Therapeutics (CNTX) was added to the Russell 2000 and Russell 3000 indices, highlighting this clinical-stage biopharma advancing T cell engaging bispecific antibodies targeting solid tumors.

Zapata Quantum (ZPTA) rocketed 52.5% to $1.83 after announcing a collaboration with NVIDIA to automate quantum resource estimation via agentic AI for...

Mobix Labs (MOBX) was added to the Russell 3000E Growth Benchmark on June 29, with Russell U.S. indexes tracking about $12 trillion in assets.

Index inclusion creates passive inflow catalysts for microcaps. Two stocks join the Russell Microcap Index effective June 29, 2026.

• Interlink...

• Heavy trading volume expected Friday as FTSE Russell reconstitutes indexes, with total trades estimated near $150 billion.
• SpaceX added to Russell...

FTEK joins the Russell Microcap Index on June 29, positioning it for passive inflows that often drive near-term liquidity and momentum in micro caps.

Russell 2000 outperformance versus the S&P 500 in 2026 marks a rotation from mega-cap concentration toward broader participation. Drivers include...

CDT rallied sharply after a Sarborg funding update appeared in SEC filings, with the move likely magnified by the stock's tiny share count and float....

• Core model: Builds permanent holding company acquiring small businesses, granting employee ownership instead of PE roll-ups or exits
• Scale today:...

SEC Filing Updates

• HFUS Going Concern Warning: HFUS Q3 filing includes a going concern warning from the latest SEC filing analysis.
• Arrive AI...

• Core Tech: AirJoule Prime unit generates 2,000 liters of pure water daily from ambient air and server waste heat at ~3% of data center build cost.
  -...

Arrive AI announced a new ATM equity offering, introducing notable dilution risk for shareholders according to the SEC filing breakdown.

RGNT stock detonated with an 850% intraday explosion after scrapping its planned 3.33-million share public offering, erasing dilution fears and...

HFUS's Q3 filing carries a going concern warning, a key red flag for this micro cap highlighting potential liquidity risks and financial distress.

U-BX Technology shares surged 77% after its 1-for-25 reverse split effective May 22, 2026, spotlighting classic micro-cap momentum around corporate actions that often lack lasting fundamentals support.

BlockchAIn (AIB) announced it is expected to join the Russell Microcap Index following FTSE Russell's preliminary 2026 reconstitution lists. This could drive passive inflows into the micro cap blockchain stock as a key near-term catalyst.

Momentum Movers

• 🔥 Arcadia Biosciences (RKDA): RKDA jumped 44.5% on heavy volume in midday trading.

Index Catalysts

• Amtech Systems...