Reletter
Artwork for Invariant

Invariant

Devin LaSarre
Hundreds of paid subscribers

Valuation. Business analysis. Investing. Finance meets curiosity, creativity, and skepticism.

Platform
Substack
PricingFreemiumPublishesWeekly
Issues222Founded4 years agoLast Issue5 days ago
Active

Read this Newsletter

invariant.substack.com
Artwork for Invariant

Latest Issues

Logista: Another Seed

Q3'26 note.

“Don’t judge each day by the harvest you reap but by the seeds that you plant.” - Robert Louis Stevenson

5 days ago
15
2
Paid

Haypp Group: Welcome to the Jungle

Q2'26 note.

“Welcome to the jungle, we got fun and games / We got everything you want, honey, we know the names” – Guns N’ Roses

12 days ago
19
2
Paid

Altria: Gradient

Q2'26 note.

“During the first half of the year, we paid approximately $3.6 billion in dividends and repurchased 5.3 million shares for $335 million. At the end of the second quarter, we had $665 million remaining under our current share re...

20 days ago
17
4
Paid

British American Tobacco: Narrowed

H1'26 note.

“We continue to generate strong cash returns. We expect to be within our 2 to 2.5x target leverage corridor by year-end, while continuing to reward our shareholders with our progressive dividend and GBP 1.3 billion share buybac...

a month ago
25
2
Paid

Philip Morris International: Juggernaut

Q2'26 note.

“The composition of our growth, once again, highlights the consistency and sustainability of our model with stable to growing volumes, durable pricing power, and superior smoke-free economics continuing to be the primary driver...

a month ago
26
2
Paid

Key Facts

Contact Information
Newsletter Author
Number of Subscribers
Find out how many people subscribe to this newsletter.

Audience Metrics

Subscribers, engagement, traffic and sponsorship for Invariant.

SubscribersEngagement75Monthly Web Visits
Accepts SponsorsEstimated Cost per Ad

Authors

The writers behind this newsletter.

  • Devin LaSarre

    Strategist, designer, investor.

  • Frequently Asked Questions

    How can I access the email archive for Invariant?

    You can find recent issues that have been published by Invariant on Reletter by scrolling up to where it says Latest Issues. Tap on the link for any of the most recent emails or hit More Issues to see older ones.

    How many subscribers does Invariant have?

    To see how many people subscribe to Invariant, simply upgrade your Reletter account. We provide readership numbers and lots of other stats for this newsletter so you can decide if it's worth reaching out to.

    How can I advertise in Invariant?

    Newsletter advertising can be extremely effective when it's done right. Before you pitch Invariant as a potential sponsor or partner, make sure that you've done your research and checked its newsletter stats with Reletter.

    Then, personalize one of our winning pitching templates and send it to the right person using the contact info provided.

    How much does it cost to sponsor a publication like Invariant?

    Newsletter ad rates (or CPM) vary depending on many factors, including industry, number of subscribers, open rate, ad placement and more.

    To find out how much an ad will cost, contact Invariant using the contact information provided and ask for a copy of their media kit.

    How can I find newsletters related to Invariant?

    Scroll up to where it says Related Newsletters to see other publications like Invariant. You can also search our email newsletter directory to discover other newsletters that cover the topics you're interested in.

    How do I contact Invariant?

    Reletter provides this newsletter's website URL above, where you will often find their contact information. We also provide links to associated social media accounts and pitching templates so you can reach out fast.