Skip to content

Weekday Japan business intelligence for finance professionals.

Join the list
Tokyo Brief東 京 ブ リ ー フJapan's day, wrapped and delivered by morning.

Article

Kaikai Kiki, the Art Company Led by Takashi Murakami, Crosses 5% in OVERLAP Holdings

The Tokyo art-production and artist-management firm run by Takashi Murakami now holds 5.02% of the small TSE Growth-listed OVERLAP Holdings, a stake funded entirely from its own resources, with buying accelerating sharply in the final week before the threshold was crossed on September 1.

Sep 3, 20262 min readOVERLAP Holdings,Inc.414A
Illustration of stacked stock-certificate blocks of varying sizes climbing toward a threshold line, with a paintbrush resting beside them, symbolizing an art company's gradual stake-building in a listed stock.

Kaikai Kiki Co., Ltd., the Tokyo-based art-production and artist-management company led by representative director Takashi Murakami, told Japan's Kanto Local Finance Bureau on September 3 that it had crossed the 5% disclosure threshold in OVERLAP Holdings, Inc., a company listed on the TSE Growth Market under ticker 414A. The reporting obligation was triggered on September 1, when Kaikai Kiki's holding reached 1,003,700 shares, equal to 5.02% of OVERLAP Holdings' 20,008,000 shares outstanding as of April 14, 2026.

The filing's mandatory 60-day trading disclosure lists 18 separate on-market purchases of common stock between July 16 and September 1, ranging from 1,100 shares on a quiet day to 96,800 shares on the busiest one. Together those trades account for 353,800 of the 1,003,700 shares now held; the filing does not show how or when Kaikai Kiki acquired the remainder. Within the disclosed window, buying accelerated sharply toward the end: the two largest single-day purchases, 96,800 shares on August 28 and 62,000 shares on August 31, landed in the final week before the threshold was crossed.

Kaikai Kiki's on-market purchases of OVERLAP Holdings stock, July-September 2026
All transactions were on-market acquisitions of common stock, as listed in the filing's 60-day trading disclosure. These 18 trades total 353,800 shares, part of the 1,003,700-share position reported.
DateShares acquiredShare of total (%)
16 Jul 20263,0000.01
17 Jul 20265,5000.03
22 Jul 20265,0000.02
23 Jul 20264,6000.02
24 Jul 202613,2000.07
27 Jul 20264,0000.02
28 Jul 202625,7000.13
29 Jul 20268,9000.04
3 Aug 20268,9000.04
14 Aug 202623,9000.12
19 Aug 202614,7000.07
20 Aug 20261,1000.01
21 Aug 20269,6000.05
26 Aug 202619,6000.10
27 Aug 20263,4000.02
28 Aug 202696,8000.48
31 Aug 202662,0000.31
1 Sep 202643,9000.22

The position was funded with ¥944.9mn of Kaikai Kiki's own funds, and the filing's borrowing section is blank, meaning no bank loan or other financing backed the acquisition. The stated holding purpose is "pure investment," the filing records no important proposal act, and it lists no pledge or other material contract tied to the shares. That combination points to accumulation rather than an activist campaign or a takeover approach.

One detail remains open: the field for the holding ratio recorded in Kaikai Kiki's previous report is blank in the source text, so the filing does not establish whether this is the company's first crossing of the 5% line or an update to a position last disclosed at an unspecified level. What is documented is the recent pace: in the six weeks before the threshold was crossed, an art-production and artist-management company added visibly to its position in a small, growth-market-listed issuer, funding the purchases entirely from its own resources rather than borrowed money.