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Jul 11, 2024 14 tweets 6 min read Read on X
NEW: We are short Iris Energy $IREN. Our full report is now available on our website, culperresearch.com
2) $IREN was founded in 2018 but now in 2024 promotes itself as an HPC data center play, claiming that "from Day 1, we've built out our facilities" as "multi-decade high-performance data centers." This is a contrived, nonsense pivot reminiscent of COVID-19 era biotech scams.
3) $IREN Co-CEO Daniel Roberts constantly touts $IREN's supposed HPC prowess on paid stock promotion outlets like Proactive and McNallie Money, but behind the scenes has started dumping his own shares alongside his brother and Co-CEO, Will Roberts.


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4) Meanwhile, since 2020, $IREN has burned $716 million in cash, and funded this charade by diluting investors to seemingly no end – share count has exploded 12x in the past 4 years. Image
5) $IREN now claims that it has developed "HPC-ready" data centers, but what $IREN is actually building lacks numerous HPC-critical features. The proof is in $IREN's financials: $IREN is spending less than $1M per MW, while true HPC data centers cost $10 to $20M per MW. Image
6) Our analysis of Childress exposes numerous deficiencies. To analogize, $IREN claims that it's set to win the Monaco Grand Prix, but just arrived to the track in a Toyota Prius. Image
6) $IREN implies "Tier 3" standards or better, implying at least one if not two power redundancies (i.e., batteries & diesel generators). Childress, however, has none, and is now stuck - lead times are 1+ years, and we estimate batteries & generators would cost >$1 billion.
8) $IREN also claims to have a "proven" air cooling solution for GPUs in Childress, based on the small cluster of GPUs it has run in BC, where temperatures are 20 to 40 degrees cooler. One expert we spoke with said "they're crazy" to claim that air cooling will work at Childress.
9) $IREN stands alone in its insistence on air cooling: nearly all HPC data centers we reviewed all opted for liquid cooling, especially at higher densities, while NVIDIA's next-generation architecture will require liquid cooling, leaving $IREN in the dust.
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10) $IREN claims Childress is an attractive asset due to low power costs, but these costs are low because Childress curtails power and sells power back to the grid. In HPC environments requiring 99.9% uptime, $IREN would need to sign a PPA, likely at a substantially higher cost.
11) $IREN claims its always foreseen the need for HPC, but then decided to build in Childress, Texas, which resembles both a literal and figurative desert. FCC records show Childress County has just a single fiber provider, vs. 20+ by those such as $CORZ in Denton, Texas.
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12) $IREN then promotes its undeveloped land and power as being worth "$5 to $12 million per MW" based on a Morgan Stanley research note. But $IREN blatantly misrepresents the note, which referred to fully built infrastructure - not land and power - as being valuable. Image
13) Led on by these claims, $IREN now trades at $7.6 million per MW. Investors cheer on recent M&A offers (CoreWeave for CORZ; RIOT for BITF; CLSK for GRDI) but these came at multiples of $2.3M per MW, $2.6M per MW, and $2.8M per MW, implying 55% downside for $IREN. Image
14/14) Similarly, $IREN shares now trade at 2x public peer levels on multiples of present and fwd. MWs, again implying ~50% downside. $IREN unravels as investors realize the Company's HPC claims are nonsense. We're following the lead set by the Roberts Brothers and selling $IREN. Image

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More from @CulperResearch

Nov 20, 2025
1) We are short Praxis Precision Medicines $PRAX: Mined the Gap - How PRAX Twisted Dropouts into a Phase 3 “Win” with Make-Believe Data and Half-Baked Analysis. Our full report is now available at our website, culperresearch.com
2) One month ago, $PRAX touted "positive" Phase 3 results for ulixacaltamide ("ulixa") in essential tremor. Shares rallied 185%. We think $PRAX gamed the readout via a last-minute unapproved endpoint change, imputation of make-believe data, and half-baked tipping point analysis. Image
3) $PRAX bought ulixa for just $1M in 2018. The Company then ran a Phase 2 trial for ulixa in ET, which failed (p=0.126). $PRAX pushed onto a Phase 3 anyway. Three other drugs with ulixa's MoA have also failed early trials in ET - the drug repeatedly shows no efficacy. Image
Read 15 tweets
Oct 23, 2025
NEW: We are short DoorDash $DASH, the largest food delivery group in the U.S. We believe DoorDash has engaged in a covert multi-year scheme to "backdoor" unauthorized workers, both at unprecedented scale and unique to $DASH. Full report and disclaimers at culperresearch.com
2) In late 2021, $DASH was subject to an IRS review that forced the Company to either de-platform Dashers with stolen SSNs or, per formers, be threatened with being "shut down." $DASH instead removed SSN requirements altogether, and "backdoored" the Dashers using ITINs.
3) $DASH's ITIN backdoor not only kept the these Dashers on, but opened the floodgates for unauthorized workers: formers estimate after dropping SSN requirements, up to 50% of new Dashers signed up with ITINs. We estimate unauthorized Dashers complete 26% to 57% of deliveries. Image
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Read 16 tweets
Aug 21, 2025
NEW: We are short Tecnoglass $TGLS - recently leaked intelligence memos name $TGLS CEO and COO Jose and Christian Daes as participants in Sinaloa cartel schemes in Colombia; $TGLS board also ensnared; massive fallout risk ignored. Full report now at culperresearch.com
2) $TGLS is a NYSE-listed manufacturer and installer of glass products for residential and commercial buildings. The Company manufactures primarily out of Barranquilla, Colombia, and sells primarily into the U.S. (95% of revenues), with Florida driving 85% of the business.
3) In 2022-23, hackers leaked a cache of Mexican intelligence docs, in which officials allege Sinaloa-funded Colombian election schemes. The docs were poorly redacted - our simple copy/paste reveals $TGLS execs Jose and Christian Daes were called out by name as participants. Image
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1) We are short AppLovin $APP - Ties to CCP Intelligence, Human Trafficking, Money Laundering; Undisclosed Stock Pledges; Secret Chinese e-Commerce Deals - all as the Company bids for TikTok. Our full report is now available at culperresearch.com
2) Since our initial February 2025 report, $APP has announced its desire to merge with TikTok ex-China. It cites "national security" and "data security" and CEO Foroughi claims the Company has no material Chinese investors and no Chinese ecom operations. Wrong on both counts.
3) Since 2017, $APP has been backed by Chinese national Hao Tang. We think $APP's disclosures violate SEC reporting rules - Tang appears to have controlled 28% of Class A shares ahead of $APP's 2021 IPO via offshore shells and at least 9.8% today. Image
Read 20 tweets
May 20, 2025
NEW: We are short Archer Aviation $ACHR - and we're extending a $1 million wager to @jimmyfallon, who has earned millions to promote $ACHR. Jimmy - if you truly believe in Archer, prove it. Our offer, and our full report now available at culperresearch.comImage
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@jimmyfallon 2) We believe $ACHR has systematically lied about Midnight's progress in the LTM, to conceal underlying aircraft stability issues and its sham transition flight. Archer’s claim to near-term commercialization is not only premature, but reckless. Don't just take our word for it...
@jimmyfallon 3) On Feb 27, 2025, $ACHR claimed Midnight was "fully assembled" and "finishing up ground tests." Yet $ACHR emails we obtained via public requests reveal $ACHR's test flight crew didn't even have Midnight "in their hands" until March. Tough to do ground tests without an aircraft. Image
Read 20 tweets
Apr 4, 2025
1) We are short Gorilla Technology Inc $GRRR - the most ridiculous fraud we’ve written about: fake products, fabricated deals, fraudulent partners, fictitious offices, and phony financials. We think $GRRR should be halted and delisted. Full report now at culperresearch.com
2) $GRRR claims to be a “leading edge AI company." It was incorporated in 2001 in the Cayman's infamous Ugland House - what Obama called “the biggest tax scam in the world.” Its global HQ is a temporary office above a London hair salon. Image
3) $GRRR claims to have become a "dominant" provider of what it claims is "AI hardware." It's website, however, shows this consists of washed up Dell desktop PCs and cameras widely available online for a few hundred dollars. $GRRR tossed its own logo on and calls it proprietary. Image
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Read 26 tweets

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