Nuburu shares surged 57% this week to $0.31, recovering from recent lows. Short interest ticked up 6% day-over-day but remains down 7% week-over-week. Cost to borrow sits at 17% and utilisation at 84% — both far below March peaks.
BURU closed at $0.31 on April 24, down 15% on the day but up 57% for the week. The monthly gain stands at 75%. The industrial machinery maker has seen extreme volatility, with the stock swinging sharply from oversold levels.
Short interest sits at 17.5 million shares, representing 4.0% of the free float as of April 23. The position jumped 5.7% day-over-day but is down 6.6% week-over-week. Over the past month, short interest has been essentially flat, down just 0.2%.
The recent trajectory shows a steady climb from mid-March lows around 17.3 million shares to a peak of 20.9 million on April 13. From that high, shorts have trimmed back roughly 16% over the past eight trading sessions.
Cost to borrow stands at 17.0%. That's up 4.2% over the past week but down sharply — 31% — from a month ago. CTB peaked above 33% in late March and has since retreated to levels last seen in mid-April.
Utilisation is at 84%, down from a brief spike to 99% on April 22. The 30-day history shows considerable movement: utilisation touched the 52-week high of 100% in prior sessions and has oscillated between 70% and 96% throughout April. The current 84% level sits in the middle of that recent range.
Enterprise value is reported at $39.0 million as of year-end 2026. No price multiples are available.
Nuburu ranks in the 3rd percentile for short score and the 4th percentile for utilisation rank, indicating extreme short-side positioning relative to the broader market. Days to cover sits in the 45th percentile. The dividend score is 24th percentile. Sector score is 20th percentile.
Vanguard added 4.3 million shares in Q1 2026, bringing its stake to 4.4 million shares — a 2.9% position. Geode Capital added 102,000 shares, now holding 201,000. Millennium initiated a 152,000-share position. Allworth Financial, State Street, H.M. Payson, and Commonwealth Equity all opened new stakes in the quarter.
Esousa Holdings slashed its position by 3.6 million shares, leaving it with 377,000 shares. UBS Asset Management trimmed marginally.
The most recent insider filing is an October 2025 award of 1.8 million shares to a Co-CEO at zero cost. No purchases or sales have been recorded in the past 90 days.
Nuburu reports earnings on April 28 at 8:00 PM UTC. The company has not announced prior earnings results with sufficient data to assess historical post-print price moves.
This is not financial advice.
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