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Maruwa Co., Ltd.

corporate_fare Company Profile

Maruwa Co., Ltd.

MRUWY·OTC·Unknown·CIK 0002093667

Maruwa Co., Ltd. produces and sells ceramics and electronic parts in Japan and internationally. The company operates through two main business segments: Ceramic Components Business and Lighting Equipment. Within its Ceramic Components Business, Maruwa offers a range of ceramic products including ceramic substrates and fillers, metalized/multilayer ceramic substrates, pressed ceramic products, ceramic hermetic seals, and ultra-high purity SiC components. It also provides electronic components and devices such as antennas, EMC and RF components, and capacitors. Additionally, this segment includes semiconductor products, specifically quartz glass products like quartz tubes and boats, and aluminum nitride components. The Lighting Equipment segment focuses on LED lighting products, which encompass LED streetlights, LED tunnel lights, and LED landscape lights. Maruwa also offers technical consultation services. Its products are utilized across various industries, including automotive, telecommunications, semiconductors, industrial equipment, and general lighting applications. The company was incorporated in 1973 as Maruwa Ceramic Co., Ltd. and changed its name to Maruwa Co., Ltd. in 1999. Maruwa Co., Ltd. is headquartered in Owariasahi, Japan.

Maruwa Co., Ltd. (OTC:MRUWY) is a publicly traded company in the Unknown sector.

Short Interest & Short Volume

1.00 days to cover

FINRA reported short interest of 3,830 shares in MRUWY as of the September 15, 2026 settlement, a 69.6% decrease from the prior period — about 1.0 days to cover at its recent average daily volume. On October 2, 2026, 41.9% of MRUWY volume reported to FINRA trade-reporting facilities was marked short.

Short interest (bi-monthly positions)3,830 shares as of September 15, 2026
Change vs prior period▼ 69.6%
Days to cover1.00 at avg daily volume of 64,075
Daily short volume (FINRA facilities)41.9% of 17,115 shares on October 2, 2026
5-day average short volume25.3%

Daily short sale volume covers trades reported to FINRA trade-reporting facilities and is not the same as short interest (bi-monthly reported positions). Source: FINRA — FINRA is the owner and source of this short interest and short sale volume data; it may not be redistributed.

$15.04 +0.42% today
Market cap
$4.55B
Volume
19.2K (0.8× avg)
3-mo avg 24.8K
Live data · 2026-10-05 02:05 UTC · Market closed

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