ACM Research. Every tracked FinTwit mention of $ACMR, newest first. 124 mentions since the first on Aug 22, 2025. See the price chart.
July 2026 · 4 mentions
Jul 15
Daave “3 and 30” Tepper — added to $nbis and $acmr today
shorted 25% $smh as an overlay against $stx $acmr $avgo bit of $dram i have left↗
Jul 15
Daave “3 and 30” Tepper — the model of state subsidized capacity expansion through proven market leaders is quite a thing to watch play out in dram
$acmr↗
Jul 8
Daave “3 and 30” Tepper — Narrative about to shift back to compute shortage
the momo mean reverted a bit
It’s healthy
fundamentals intact*
$dram $acmr $nbis $avgo $stx
*unless Trump does something…↗
Jul 3
InvestmentGuru — SEMICONDUCTOR EQUIPMENT:
Smart money is watching who BUILDS the machines that make those chips.
Here’s the full value chain:
making the wafer:
Lithography: $ASML (the undispute…↗
June 2026 · 26 mentions
Jun 30
BULL OF BRITAIN — @AmCoin82832 Yeah I know about $ACMR it was either that or $MIRAE and Mirae was chosen.↗
Jun 30
Daave “3 and 30” Tepper — bla bla bla here's all you need to know... cxmt (and ymtc) will invest in more capacity
$acmr https://t.co/lsNlqP9LIp↗
Jun 29
Kerrisdale Capital — Our 3 AI / Data Center plays from last year
$ACMR: +580%
$STX: +830%
$AIXA: +270%
We have a new datacenter and humanoid beneficiary tmrw↗
Jun 29
Daave “3 and 30” Tepper — This aged well
$acmr up 225% since then, outperforming $Asml by 100% (for cost of capital reference)
May 2026 · 34 mentions
May 29
Daave “3 and 30” Tepper — $acmr thesis is plying out with US investors recognizing a) it’s a grower b) it’s more than a china name and c) it’s safe to own
Now we can attempt to close the discount to the Sh…↗
May 28
Daave “3 and 30” Tepper — welp it wasn't the wrong answer. very hard to hold an elephant by the tail. $acmr
built cash; exited $dram added $hype
pls do not consider taking action on this level of conc…↗
May 27
Daave “3 and 30” Tepper — $tsm has been the sphincter of the ai market; holding capacity nice and tight
raising price is a precursor to bringing capacity online
Jensen ain’t playing with cc price hikes w…↗
Daave “3 and 30” Tepper — was balls long these names for the last 16 months
$stx $wdc $sndk $mu
faded hard now
the only thing that makes sense in AI with good symmetry/positive asymmetry is china WFE
ton…↗
Apr 24
TheValueist — $ACMR EXECUTIVE OVERVIEW:
The Kerrisdale Capital Management and Steamboat Capital Partners letter is a constructive, capital-markets-oriented activist intervention designed to acc…↗
Apr 24
TheValueist — $ACMR Kerrisdale Capital Management and Steamboat Capital Partners sent a letter to the CEO and Board of Directors of ACM Research. The letter began "Kerrisdale Capital Management,…↗
Daave “3 and 30” Tepper — entered the AI trade full bore in 2023 as a hedge to personal earnings value.
thesis: my terminal value is reduced by AGI
only hedge is own AI profit takers who stand in the way…↗
Serenity — @O_bhaina Feels like $SIVE should deserve a much higher valuation than $POET, which is mainly on the advanced packaging side.
$LITE and $COHR get huge premiums for supplying EML l…
February 2026 · 8 mentions
Feb 24
Daave “3 and 30” Tepper — Best 5 stock portfolio of AI CAPEX beneficiaries?
I'll go first
$BE - 800volt BTM power
$NBIS - Moar inference
$ACMR - China WFE onshoring + internationalization + arb
$STX - HD…↗
Kerrisdale Capital — $ACMR has 4x'd since our writeup a year ago. Only 6x more to go to fulfill our report title "Fabrication of a 10-bagger". Shoutout to @TheBenSchmark from whom we got the idea and @…↗
Feb 11
Serenity — Wow…
$AEHR up 30%+ today on hyperscaler orders.
$ACMR up 29% this week on China memory (cmxt + ymtc)
$AXTI up 42% this week on photonics ramp and Google capex spend
$AMKR up 19% t…
Daave “3 and 30” Tepper — @WaterworldCapi1 Yes this was confirmed mid 2024 - next 18 months will be defined by commodity dram share being taken by Chinese suppliers. Dram oligopoly has every incentive to ce…↗
Jan 17
Daave “3 and 30” Tepper — @ainativefirm $Acmr ? banger. aside from the rev growth boom driven by china wfe onshoring, the us hold co trades <1/2 the value of its stake in the shanghai sub. To boot, the c…↗
Daave “3 and 30” Tepper — @BenBajarin when would it be clear whether the $Acmr wet-etch tool approved on 14a?
https://t.co/U10Npk8Qyy↗
Dec 29
Daave “3 and 30” Tepper — $ACMR growing in line with Naura…. Wish had better access to Naura, but also wish it was a cheap as $ACMR
2026 will be a good year for China WFE, boys↗
Dec 20
Daave “3 and 30” Tepper — @dolores_capital @Mike10947310 nah, ceo lives in NorCal
$Acmr investing heavily in China; entire supply chain is there
Trump doing something erratic like throwing them on a sanct…↗
Dec 19
Daave “3 and 30” Tepper — @PythiaR @zephyr_z9 @ContrarianCurse @TBU12345678 Agree on all counts! Semicap poor biz too, and dangerous at peak earnings. Low op lev, prone to the same excess capacity that wrec…
November 2025 · 13 mentions
Nov 25
Kerrisdale Capital — $ACMR’s Q3 “miss” provides an attractive entry for those who missed the stock’s run-up earlier this year, and we believe shares remain poised for multibagger returns. 7/7↗
Nov 25
Kerrisdale Capital — $ACMR trades at just 1.4x, 7.3x, and 15.3x 2026E revenue, EBITDA and GAAP net income, respectively, representing approximate 50-80% discounts to US, European, and Japanese WFE peer…↗
Nov 25
Kerrisdale Capital — Product line expansion is going well, with new markets such as electroplating, thermal processing, track, and deposition accelerating in 2026. $ACMR remains the national champion i…↗
Kerrisdale Capital — Our two longs this year: $ACMR +130% and $STX +112%. We’re equally optimistic about today’s idea↗
Oct 1
Kerrisdale Capital — $ACMR +10% today and +150% since our report, bc @blondesnmoney went long or bc ACM Shanghai doubled in past few months or bc Ken Griffin read our report or who knows. Anyways, it's…↗
September 2025 · 3 mentions
Sep 30
Daave “3 and 30” Tepper — I laughed.
Worth another 100bn AI DC spend.
$nbis $stx $wdc $baba $acmr↗
Sep 30
Daave “3 and 30” Tepper — good observation. i'm not in the names pulling back. unpacking the observation yes, there are winners and losers in AI at these prices. some names got ahead of themselves. stay in…↗
Sep 26
Daave “3 and 30” Tepper — Back in the water boys
$intc $baba
the only free lunch is diversification (free lunch is for free loaders)
Second nearly free lunch is momentum. Do not buy the losers. Buy or a…↗
August 2025 · 2 mentions
Aug 30
Daave “3 and 30” Tepper — $Acmr should be 3x higher
there’s a binary political / tech infringement risk but going down with the ship anyways I guess↗
Aug 22
Kerrisdale Capital — $ACMR +20% as China tells customers to focus on domestically produced chips. "Chip industry analysts also said Beijing’s actions reinforce its commitment to its own chip self-suffi…↗
Daave “3 and 30” Tepper — Like an infinite money glitch
China WFE is the bottleneck of bottlenecks
$acmr https://t.co/zkwIxcLyOa↗
Jun 27
Daave “3 and 30” Tepper — @rubicon59 Pub market or private?
Assume listed cos only, rules out new tech solutions as an expression.
That leaves:
Dram oligop: more hbm wafer capacity or
new hbm stacking tec…↗
Daave “3 and 30” Tepper — Fine but it’s not even hype. It’s reality. China gunna pump the nand and dram as well as self supply logic.
On top, $acmr bringing its leading tech to the U.S. in new Oregon produ…↗
Serenity — 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,…↗
Daave “3 and 30” Tepper — @aleabitoreddit @Egbariaj For those who need to be spoonfed
$Acmr in the U.S. owns 70% of this entity, worth $18bn USD to Acmr
if you think the world needs more dram and nand, an…↗
Jun 19
Daave “3 and 30” Tepper — @aleabitoreddit @Egbariaj $acmr about to do a Hong Kong listing which will help collapse the discount - from 80% to 20% (on average between S and H)↗
Jun 18
Serenity — @Egbariaj I’m just finding new ideas. As for $ACMR up to you. It’s just my example on what I’m trying to look for, since it’s has around ~$18.2B worth of assets from ACMR China. An…↗
Jun 18
Serenity — 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…↗
Jun 17
TheValueist — $ACMR all-time high today. I'm still long ACMR 1/21/26 c100 and will probably roll up. Still lots and lots more to go. My write-up on the China WFE market is below.
Club Valueist…↗
Daave “3 and 30” Tepper — @erithium I was letting the portfolio lean heavier into ai mainly $acmr while building some cash
Now given my rising uncertainty over ai path cut some of both names now and comfo…↗
Daave “3 and 30” Tepper — Big year, but 37% cash now. Nvidia next to go.
Could def miss a big Hormuz reopening bounce. but will capture plenty in this book.
May add to $cenx here
$acmr $nbis $stx continue…↗
Jun 4
Daave “3 and 30” Tepper — Ima be honest. Portfolio is balls long ai and was +2 today. had no idea Soxx was -2. Concentrated with 25 points cash. that would score as massive jensen’s alpha (yes I own Nvda…↗
Jun 4
Daave “3 and 30” Tepper — @chipflare Daave’s Chyna 13F
$acmr 22%
Might move to China to buy cxmt tho
U.S. needs to win open source, for obvious reasons
Jensen and arkady are the guys to do it↗
Jun 2
Daave “3 and 30” Tepper — SK was $ACMR 's first memory cleaning tool customer. interesting little fact.↗
Jun 1
Daave “3 and 30” Tepper — out of $hype - was nice, probably continues to work
however, don't love the market setup relative to some other concentrated / high beta risk i have on $acmr $nbis
21% cash http…↗
Jun 1
BULL OF BRITAIN — A follow up as promised - a few names from every layer of the stack.
ALREADY RUNNING (still biddable, easy money gone)
> Agentic / server CPU - $INTC, $AMD, $ARM
> General-server…↗
— @NEWS2082680 fixed your image
$acmr is the leader in Panel Level Packaging
Most similar to Lam but better because horizontal plating has 1,000bp yield improvement https://t.co/dO…
Daave “3 and 30” Tepper — Fixed his image
$acmr is the leader in Panel Level Packaging
Most similar to Lam but better because horizontal plating has 1,000bp yield improvement
K https://t.co/SiUVwI4VdT↗
May 25
TheValueist — Resharing this analysis of the @KerrisdaleCap $ACMR letter they sent to the board. Worth reading my analysis and their original letter.↗
May 25
Daave “3 and 30” Tepper — $acmr not going after litho, while Amec and Naura are. Rather, smartly, Acmr is positioning for the litho adjacent equipment that will inevitably be in high demand as smic / huawei…↗
May 25
TheValueist — $TSM $ASML $NVDA Even if this @Huawei Tau is more smoke than fire, it demonstrates how hyper-focused the CCP is on being chip independent. $ACMR is a great way to trade it.↗
May 25
TheValueist — ACM Research Shanghai +15%. I’m long $ACMR 1/21/28 c100. In the $1/month (😂 I would make it less if I could) sub channel friends. Get involved.
(Bloomberg) -- Chinese semiconduct…↗
Daave “3 and 30” Tepper — this is the big tech story of the next 5 years
wish I could own Naura and amec too but settle for $acmr↗
May 22
Daave “3 and 30” Tepper — @YippoNoodle @bubbleboi @masayoshisson should be missed-the-bubble boi
$acmr is super levered to global foundry he just knows it for what it was 12 months ago
Acmr has already t…↗
Daave “3 and 30” Tepper — $acmr ripping last 2 days > all ai to rest $0.05 below all-time high.... typically names don't rest here for long
26% position **
** horrible, awful, totally unprofessional ri…↗
May 20
Daave “3 and 30” Tepper — @plainyogurt21 @jostew97 yea rumor 6 mos ago, neither company commented. silence. meanwhile $acmr ramping oregon sales and production to serve "international clients"... given the…↗
May 20
Daave “3 and 30” Tepper — not a bottleneck bro- well I was on $mu $sndk $stx and $wdc - just earlier than most to the high quality pumpers.
$acmr IS a “bottleneck” in so far as China WFE onshoring - but th…↗
May 19
Daave “3 and 30” Tepper — ACMR “ECP” segment includes equipment for panel-level packaging and grew 204% YoY (!!) to represent 36% (!!) of company revenue. That’s the kind of growth and materiality that shif…↗
May 17
Daave “3 and 30” Tepper — @racetrack275 limited duv access is an issue for hbm not at binary for commodity dram
cxmt has runway even for hbm given the stockpile of asml duv in country but to your point tha…↗
May 17
Daave “3 and 30” Tepper — China DRAM supply is inevitable and the narrative is about to get real loud
Chokepoint is WFE
Who sells WFE to CXMT, Samsung, SK Hynix, YMTC in China??
$ACMR↗
May 17
Daave “3 and 30” Tepper — @R_and_Invest balls long mu/sndk/wdc/stx from tariff lows when few saw the memory wall. my mistake: I started cutting hard Dec 2025 and only had 15% pos last week; cut it to 8% Wed…↗
Daave “3 and 30” Tepper — @PythiaR $ACMR crushing $LMRX and $ASML
wait til Intel announces ACMR on line↗
May 9
InvestmentGuru — The Complete Semiconductor Playbook — AI Supercycle 2026
🤖 EDGE AI
$QUIK · $CEVA · $SYNA · $QCOM · $INDI · $VLN · $SMTC
→ AI leaves the data center. Devices. Cars. Factories…↗
May 9
InvestmentGuru — The Complete Semiconductor Playbook — AI Supercycle 2026
The AI trade is no longer one ticker. It’s a full stack. Here’s every layer:
💾 MEMORY
$MU · $WDC · $STX · $SNDK · $AM…↗
May 9
Jukan @COMPUTEX — @EquityBrian $ACMR
As you know, China is going to keep pushing for localization.↗
May 8
Daave “3 and 30” Tepper — Ok that’s pretty interesting
I would add that sk Hynix is a top customer for $acmr↗
May 8
Daave “3 and 30” Tepper — @evrgn11112231 @buccocapital just for fun… my 30% position will have 50%+ positive excess to your 30% position in the NTM
$acmr $meta↗
May 8
Daave “3 and 30” Tepper — Can you see it?
$acmr
global demand for ai compute…. chip demand leads wfe… china chip fab onshoring… a company with a technology leading cash cow begins earning from a simultan…↗
May 7
Daave “3 and 30” Tepper — $acmr crushed. Rev growing 34% yoy GM recovered above midpoint of long term target and overseas shipments accelerating post r&d cycle
Together with HK listing coming this name…↗
May 2
Daave “3 and 30” Tepper — Y’all know who’s gunna make the incremental dram, right?
Don’t want it but I don’t make the rules
$acmr https://t.co/lbchEizL3g↗
May 1
Daave “3 and 30” Tepper — trading more than should but mostly proactive / not reactive. def destroyed value. sold $be too soon.
lots of changes.
cut $stx in half after monster run. cut most of $cenx tho l…↗
— Sent a letter with Steamboat to $ACMR:
https://t.co/qAJTJw3iXs
Kerrisdale Capital — $ACMR: Its 8K on Friday disclosing its potential Hong Kong listing could be a breakthrough development in collapsing the big discount between ACMR and its Chinese-listed operating…↗
Apr 16
InvestmentGuru — $ACMR is a fundamentally undervalued semiconductor equipment compounder hiding in plain sight. The China angle scares Western investors — creating the valuation gap. But with a $8…↗
Apr 10
Daave “3 and 30” Tepper — Goodness gracious lawyers and analysts are so cooked
$nbis $dram $stx $acmr↗
Daave “3 and 30” Tepper — couple things
1. Pls dont takeaway leading models in Claude code pro plan
2. If anthro thinks the window for massive consumer surplus is over:
A) they see enterprise taking off…↗
Raging Capital Ventures — This $ACMR pitch is pretty compelling, besides the obvious China risks what is the bear case?↗
Feb 3
Daave “3 and 30” Tepper — More port change in Jan than I should, but had runners in $be, $acmr, $stx and $cenx and had to cut some and rebalance
2/2 +21% YTD
rolls royce $rycey (ai power, nuclear, smr) an…↗
Feb 3
Daave “3 and 30” Tepper — @wovenking $acmr sold 1.34% of the shanghai listed entity last night for $110mm.. gross is up to $8.5bn implied value, acmr owns 75% of it... math checks out↗
Feb 3
Daave “3 and 30” Tepper — there’s just one way China massively expands memory output and it’s a u.s. listed 70% discounted semi cap called $acmr
can’t believe I might early retire on a china stock; will te…↗
Serenity — @pepemoonboy Bruh $AXTI and $OSS was barely mentioned until 2 weeks ago.
1. $SIDU ($222m) - Vertically integrated LEO satellite as a service company. They build satellites, but…↗
Jan 8
Daave “3 and 30” Tepper — Never kid yourself, China will always trade at a discount to US peers.
$ACMR investors know this trading at 1/3 the value of its Shanghai subsidiary
$AXTI holders learning the h…↗
InvestmentGuru — 𝗧𝗵𝗲 𝗟𝗲𝗮𝗱𝗶𝗻𝗴 𝗦𝘁𝗼𝗰𝗸𝘀 𝗶𝗻 𝟮𝟬𝟮𝟲
Markets in 2026 are being driven by AI infrastructure, semiconductors, energy transition, aerospace, automation, and digital plat…↗
Jan 2
Daave “3 and 30” Tepper — @Kalispellbaycap To add we’re 2nd inning of $acmr becoming not only a leading china wfe play, but a serious, international full stack wfe serving Samsung and rumored, intel, would…↗
Daave “3 and 30” Tepper — If you’re short this, you lack any imagination whatsoever
Gen AI about to go exponential
$nbis $wdc $stx $acmr $sndk $nvda $goog $dis↗
Dec 12
Daave “3 and 30” Tepper — https://t.co/BQI6JAFQnF
$intc
$acmr might be the best idea for 2026-2028
criminally undervalued due to “China” discount
U.S. listed company, U.S. based. IP in the U.S.↗
Daave “3 and 30” Tepper — Timestamp this:
China WFE will blow away non-China WFE over next 18 months
YMTC
SMIC
More than 25% ACMR revenue
$ACMR↗
Dec 1
Kerrisdale Capital — Our $ACMR update on @SeekingAlpha, can discuss comments and questions in the Q&A section:
https://t.co/2FTIBf7oSm↗
— New since our January report, the emergence of China’s own AI-fueled capex wave is greatly underappreciated. Billions will be spent on China’s AI infrastructure, and the domestical…
Kerrisdale Capital — $ACMR trades at a 72% discount to the value of its stake in ACMS, and at 16x ’26 P/E, a meagre multiple relative to the company’s massive growth opportunity. 2/7↗
Nov 25
Kerrisdale Capital — We’ve written an update on $ACMR, available at https://t.co/to9vKAZskg. The story has only gotten better since January, with ACMS up 50%+ in China and China’s semi capex growth bei…↗
Nov 20
Daave “3 and 30” Tepper — literally no way $acmr isn't a huge beneficiary of this if true
YMTC #3 $amcr customer https://t.co/J4Wd5M9np3↗
Daave “3 and 30” Tepper — looking through the market noise
pick the right AI names
don't worry about the index, crypto, shitcos or even adjacent AI names unraveling
pick em right and sleep at night
$nb…↗
Nov 15
Daave “3 and 30” Tepper — Should be great for $acmr
Don’t get lost in the vol, anon
See through it↗
Nov 14
Daave “3 and 30” Tepper — Microsoft has announced they too are pursuing superintelligence
All models in all verticals
And you’re bearish?
$goog $nbis $sndk $cien $wdc $acmr↗
Nov 12
Daave “3 and 30” Tepper — AI stocks update: The Market is Worried About AI.
That's completely expected. It happens constantly.
"Markets climb a wall of worry"
This feels like the pullback (beginning of…↗
Nov 10
Kerrisdale Capital — We’re baaaaaack! $ACMR — we bought hand over fist after earnings and it’s now our third biggest holding after Buzzi and Aixa. We’ll write up an update and host a twitter spaces as…↗