Photonics investors Attention please : Taiwan CPO stocks are rebounding hard across the board—US investors, keep an eye out tomorrow for which photonics stock to load up on. $LITE $COHR $AAOI $AEHR $TSEM $AXTI

Photonics and optical names are ripping today as $VZ and $GLW new multibillion dollar fiber commitment reinforces that AI connectivity demand is spreading well beyond hyperscalers: • $AXTI +14% • $LITE +13% • $VIAV +12% • $AAOI +9% • $COHR +9% • $CIEN +9% • $AEHR +7% I think you’re going to keep seeing more deals like this as the AI buildout expands from inside the data center to between data centers bringing a much broader buyer base into fiber, transceivers, lasers, DSPs and silicon photonics.

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Silicon Photonics' optical transceiver market share is estimated to exceed 50% by 2027. $TSM VP of Advanced Packaging said today that silicon photonics is becoming the mainstream form thanks to the structural transformation of optical transceivers. He also stated that the real bottleneck for large-scale deployment lies in lasers, optical fibers, fiber optic connectors, and product testing. If I was to pick the "main" players instead of just name-dumping: - $LITE / $COHR: InP lasers - CW for SiPh, ELS for CPO, 200G EMLs - $AEHR: SiPh WLBI testing - $GLW: PM fibre, fibre arrays & MPO/MTP connectivity - Sumitomo Electric (5802): InP lasers + substrates Obviously you've got a ton of other names from: $AAOI for InP lasers, $IQE for InP base epi, $BESI for hybrid bonding and $KEYS / $VIAV for optical test. Feels like TSMC have been running the same narrative alongside the COUPE roadmap for a while now though. But always good to get some re-confirmations on where everyone's favourite bottlenecks sit / narratives coming from TSMC themselves.

Interesting photonics selloff today on no news? $LITE down -4.95% $AAOI down -4.85% $SIVE down -14.8% $SOI down -5.73% $AXTI down -8.13% $IQE down -12.13% I think it’s probably the most compelling theme going forward (even more than power semis). Just tends to be very volatile on the way up. Surprised about $AAOI though given there’s some institutional notes apparently about long term $AMD or $NVDA agreements. (Rosenblatt). Maybe $600m ATM caps some near term upside. $SIVE as well, given EU Chips Act 2 is next week around photonics, and they’re listed on the blueprint. Same with MSCI/NASDAQ omx inflow next week. I’ve been personally adding to positions since I have high conviction in the photonics theme (CPO especially) given TAM expansion overall next 2 years.

$XFAB (photonics + power semis) is an interesting long idea at $1.28B MC, that I took positions in. Given EU CHIPS act 2 is today as the catalyst for European photonics players. > 800 VDC power semi exposure to $NVDA push through $NVTS + $POWI > Silicon Photonics / CPO exposure with $NVDA as evaluation stage for high volume manufacturing (optical transceivers/switches) > The only high-volume SiC foundry in the US. > One of the critical MEMS foundries > ~1.29 P/B, which was around what $SOI was sitting at when I went long. Depressed valuations due to legacy drag > ~6.5-8.5 fwd p/e 2028 personal est. > backstopped by Government: - EU CHIPS act, $128M Euros - US CHIPS act $50M PMT (department of commerce). With likely more coming (just signals critical importance to Western supply chains). So at a certain point with all the grants, they’re just getting the capex funded by the Governments. EU CHIPS act 2 is coming out this week, and I’m gonna go ahead and guess $XFAB might get included given they were before, and this package is specifically targeting photonics. ~$1.3B MC seems compelling to me if it can pull a Soitec reversal (low p/b, very high growth segments, auto legacy drag). As for the $NVDA silicon photonics relationships it’s under “photonixFAB”. Markets probably missed this silicon photonics relationship (like $TSEM when I went long) with Nvidia since XFab leads this… Just under a different name. For power semis, XFAB is named for SiC + $NVTS. In PCN-22181, $POWI explicitly names XFAB as its foundry.  Given its exposure to power semis and photonics as growth, low P/B, gov backstop (of course dyor, just sharing my personal thoughts) Thought it personally seemed compelling.