ACMRACM Research
2Bull0Bear0Mention

Serenity @aleabitoreddit
Focused on AI photonics and semiconductor supply chains — sourcing asymmetric setups from bottoms-up value-chain research. Tracks CPO & optical modules closely, with ongoing deep-dives on SIVE, AAOI, LITE, POET.
Quick verdict
ACMR is net bullish (2 bull · 0 bear)
Expected to have an H-Share subsidiary listing soon, offering significant NAV discount and independent growth.
Last spoke: 06/20/2026, 03:52 · conviction 5/10
8-10 confidence views use larger markers▲ Bull▼ Bear● Mention
View History (2, newest first)
- In terms of personal notes: 1. Priortech owns 21% of $CAMT, ~1.35x their MC, seems more like holding co. 2. Bit Digital people kept shouting, but NAV discount is not clean $WYFI, lot of dilution + not AI parent. 3. Wistron (3231) is the best one I've seen since $SIVE + Ayar + Wiwynn are one of my favorite trio. ~$16.2B MC, Q1 revenue up a ridiculous amount with 144% Y/Y growth. Owns 35.46% of Wiwynn, which is ~0.66x of MC. I'd expect Wiwynn to keep on growing. 4. Sin-American Silicon 5483 does own 46.64% of GlobalWafers (6488). MC is $3.5B, stake value is ~$7.9B, but not exactly growing too fast independently, though it's heavily trading heavily discount to NAV. 5. Iljin Holdings owns 42.99% of Iljin Electric, it's ~$0.22B MC vs. ~$1.13B NAV holding. This was transformer/cable DC related. But again idk if I trust korean stocks for NAV unlock, probably better for activist investors. 6. Simmtech Holdings was ~$0.17B MC vs. ~$1.0B of parent, which also looks ridiculous. So 6x+ NAV. PCB substrate related name. Also another prob don't trust korean governance type name. I think both $ACMR and WUS have H-Share subsidiary listing soon, and those were the biggest NAV discounts with independent growth. Then you have a highly successful activist going after WUS so I'd expect some middle ground there. So maybe I'll put more concentration into those on top of what I already own Monday, we'll see. And Wistron was growing very fast independently. I'm still doing research, normally this goes in shower thoughts since I haven't formally made a conclusion, but thought others might be interested.
- Anyone got a list or ideas of the biggest NAV discounts. But independently has AI growth? Stuff more extreme end like $ACMR and WUS (2316) compared to SK Square. Have exposure to the ones above, just wanted to research more opportunities. Seems to be getting noticed recently
Ongoing takes on other optical names too
Beyond ACMR, his viewpoint library also covers: