Aug 25, 2026, 23:59 UTC
Short interest in Idemitsu Kosan Co., Ltd. increased by 820.7% to 7,946 shares as of August 14, 2026, from 863 shares on July 30, 2026.
Source:Aug 25, 2026, 20:45 UTC
Quaise Energy, a MIT spinout, closed the first tranche of its Series B funding round, raising $134 million led by Prelude Ventures, with participation from JERA and Idemitsu, totaling over $230 million committed.
Source:Aug 17, 2026, 11:30 UTC
JAPEX began drilling its second exploratory well on August 15, 2026, for the Tomakomai CCS Project in Hokkaido, Japan, to confirm CO2 storage formations, advancing toward a final investment decision.
Source:Jul 13, 2026, 08:35 UTC
All crude oil tankers related to Japan have passed through the Strait of Hormuz by July 13, 2026, arranged by ENEOS Holdings, Idemitsu Kosan, and Cosmo Energy Holdings.
Source:Jun 25, 2026, 14:30 UTC
Idemitsu Kosan, through its U.S. subsidiary Idemitsu Americas Holdings, has taken a stake in Quaise Energy, a Texas-based startup developing millimeter-wave drilling technology for deep geothermal energy extraction.
Source:Jun 3, 2026, 14:00 UTC
A crude oil tanker operated by an ENEOS subsidiary arrived at the ENEOS Kiire Terminal in Kagoshima after passing through the Strait of Hormuz, which is effectively closed due to the worsening situation involving Iran.
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