Systematic AI Investing Portfolios

Substack by Andreas Himmelreich · launched Oct 26, 2024

Institutional-grade AI Factor research & non-linear ML portfolios for self-directed quants and First-Generation Family Offices.

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Paid leaderboard

#225

Subscribers

1.0K

rounded by Substack

Paid subscribers

10+ paid

Paid plan

$600/mo

Podcast

Yes

Growth history

Stats worth sharing

Tracked since Sep 10, 2026 — 22 daily snapshots so far. The card below is built from what we track and refreshes nightly.

Posts

1

last 30 days

Reactions per post

3

average, recent posts

Reactions tracked

38

across 12 posts

Most-reacted post we have seen: Two Official AI Factor Models Directly from Portfolio123.com — 6 reactions on Jul 16, 2026.

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Recent posts

• Reflation / Stagflation: Commodities or Stocks?

  Sep 10, 20261 reactions0 comments1 restacks

• Excel Cloud Share Links

  Aug 24, 2026Paid3 reactions0 comments0 restacks

• AI Factor Rebalance: Small Caps & Large Caps Holding Strong

  Aug 10, 20263 reactions5 comments2 restacks

• The Navigation of Infinity: How High-Dimensional Search Spaces Isolate Structural Alpha

  Jul 22, 20261 reactions0 comments1 restacks

• Two Official AI Factor Models Directly from Portfolio123.com

  Jul 16, 20266 reactions0 comments2 restacks

• Machine Learning in Quant Finance: Robustness Is Not Replicability

  Jun 30, 20265 reactions0 comments1 restacks

• Why Do I Only Have a 5‑Year Backtest on My Actuals Models?

  Jun 29, 20265 reactions0 comments1 restacks

• Kudos and Thank You to Our Subscribers!

  Jun 24, 20263 reactions0 comments2 restacks

• How AI Factor Really Works — The Full Workflow in One Video

  Jun 10, 20262 reactions0 comments6 restacks

• State of the AI Factor Nation

  Jun 5, 20263 reactions0 comments1 restacks

• April 27, 2026 — Rebalance: 💰 All-time highs across the board!

  Apr 27, 2026Paid2 reactions0 comments3 restacks

• April 20, 2026 — Rebalance: 🔥What a Rally!

  Apr 20, 20264 reactions0 comments3 restacks

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Data: Substack public leaderboards and publication archives, refreshed nightly, plus public beehiiv sitemaps and recommendation pages, refreshed weekly. Source for this page: Systematic AI Investing Portfolios. Subscriber counts are Substack’s own rounded public figures, so week-on-week changes move in steps. beehiiv audience sizes are self-reported by the publisher and are not verified. Last snapshot: Oct 1, 2026.