Theme · AI Semis Layer 7 Bucket C · Tier C Conviction · WATCH

Tokyo Ohka Kogyo (TOK)

TSE:4186

Structural picks-and-shovel position in the AI Semis supply chain, Layer 7. Tier C conviction with research from AI Master Research.

Two-Layer Verdict
Structural
BUY · structural picks-and-shovel position in the AI / Physical AI supply chain.
Tactical
HOLD — no live signal change today.
Hold core position. Re-add at 34/50 EMA on any meaningful pullback.
Live price
$11620.00
+4.64%
Theme
AI Semis
Layer 7
Conviction
WATCH
Tier C
RSI 14
% return
Not held
2×ATR stop
Tactical stop
52-WEEK RANGE +0.0% from high
$3531.00
$11620.00
Fwd P/E59.5
Trail P/E41.7
EV/EBITDA24.3
Mkt Cap$1393.24B
Beta0.84
★ Deep dive · AI Master Research · Tier C

The full 1-page snapshot on Tokyo Ohka Kogyo (TOK).

What it physically does · the financial print · customer mix · competitive context · terminal risk · bull case · gap/bear case · optionality · the trade. ~230 words. Source: AI Master Research.

230 words Tier C AI Master Research
— Live chart · TradingView · Candlestick · 50/200 EMA + Volume —
● Live · TSE:4186
03 · 04Top-level analysis

What 4186 physically does — preview.

One-paragraph version of the Photoncap deep dive. Read the full essay for the complete treatment.

From AI Master Research

The thesis — preview.

**Live:** price not surfaced (needs manual check on Yahoo 4186.T) JPY · **Earnings (last):** Q1 2026 — rev surprise +5.90%, EPS beat consensus; guide neutral · **Next earnings:** 2026-05-13 (release reference; verify on next report) · **Conviction:** 4/10 TOK is one of three Japanese photoresist majors (with JSR and Shin-Etsu Chemical) and one of the few EUV photoresist suppliers globally. EUV photoresist is the chemistry layer that enables sub-7nm patterning — without it, the AI logic node ramp stops. Real bottleneck, real moat. Feb 2026 partnership with Irresistible Materials extends the EUV roadmap, and Q1 revenue beat by 5.9% confirms underlying franchise health.…

Read the full essay →
★ Tier
Tier C. Watch only.
Source attribution
AI Master Research · 230 words. Institutional PDF available.

Peers in Layer 7

8 names
Latest news
1 stories (of 2) · 1 direct / 1 theme