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You are here: Home / Archives for Portfolio Construction

Huygens Portfolio Review: 13 May 2025

May 14, 2025 By Lowell Herr Leave a Comment

Huygens is one of two portfolios using an expanded Asset Allocation (AA) management model.  The other is the computer managed Schrodinger or Schwab’s Intelligent Portfolio.  Over the past month the Huygens lost a bit of ground to its benchmark, the AOR security.  Most likely the AOR is tilted a tad more toward equity holdings whereas […]

Filed Under: Huygens Portfolio, Asset Allocation, Passive vs. Active, Portfolio Construction, Portfolio Management Tagged With: Huygens Portfolio, Portfolio Construction

Rutherford-Darwin Portfolio Review: 17 January 2025

January 20, 2025 By hedgehunter

First, a look at the performance of US Equities over the past week shows that the initial weakness seen at the Open on Monday quickly turned around to see US Equities finish the week ~ 3% higher than last week’s close: After dropping out of the uptrend channel last week we are now back well […]

Filed Under: Rutherford Portfolio, Darwin Portfolio, Portfolio Construction, Portfolio Management, Portfolio Performance Tagged With: Darwin Portfolio, Portfolio Construction, Portfolio Management, Portfolio Performance, Rutherford Portfolio

Rutherford Portfolio Review (Part 2 – Options): 6 January 2025

January 8, 2025 By hedgehunter

After making a mandatory ~$20,000 withdrawal from the Rutherford Portfolio, that I had been managing using a strict momentum model, I was left with ~$70,000 for future investment. Going forward into 2025, and beyond, I plan to split these funds into 3 portions. In Part 1 of this series (https://itawealth.com/rutherford-portfolio-review-part-1-3-january-2025/), I outlined how I plan […]

Filed Under: Rutherford Portfolio, Portfolio Construction, Portfolio Management, Portfolio Performance Tagged With: Portfolio Construction, Portfolio Management, Portfolio Performance, Rutherford Portfolio

Darwin Portfolio Review: 3 January 2025

January 6, 2025 By hedgehunter

I do not post a review of the Darwin Portfolio very often because I rarely adjust it and it behaves, for the most part, like a Buy-And-Hold Portfolio. The Portfolio holds a handful of ETFs covering different market segments to provide diversification and reduce overall portfolio volatility. Asset allocation is determined by applying the principles […]

Filed Under: Darwin Portfolio, Portfolio Construction, Portfolio Management, Portfolio Performance Tagged With: Darwin Portfolio, Portfolio Construction, Portfolio Management, Portfolio Performance

Franklin Sector BPI Portfolio Review: 5 April 2024

April 5, 2024 By Lowell Herr

Franklin is the Sector BPI portfolio up for review today even though no sectors are in the oversold zone and we sold off all overbought sectors.  The current holdings of Staples and Utilities are residing in the neutral zone.  Over $2,200 remains in cash so we need to decide what to do with that money.  […]

Filed Under: Franklin Portfolio, ITA Portfolios, Portfolio Management, Sector BPI Tagged With: Franklin Portfolio, Portfolio Construction, Sector BPI

Reworking Pauling Portfolio: 20 November 2023

November 20, 2023 By Lowell Herr

Based on discussions found in the Comment section of the most recent BPI blog post, below is an investment quiver that may be the future of the Sector BPI Plus portfolios.  What I’ve done is to add eleven sector ETFs where these new eleven are equal-weight index securities rather than cap-weighted.  If readers wish to […]

Filed Under: Pauling Portfolio, Portfolio Construction Tagged With: Pauling Portfolio, Portfolio Construction

Franklin Sector BPI Update: 18 April 2023

April 18, 2023 By Lowell Herr

Franklin is one of four Sector BPI portfolios.  Perhaps I should title these portfolios, Sector BPI Plus as each now contains more than the eleven (11) sector ETFs in an effort to patch one of the potential holes in the Sector BPI hypothesis.  Past sector blogs explain in more detail the flaw in the Sector […]

Filed Under: Franklin Portfolio, Portfolio Construction, Sector BPI Tagged With: Franklin Portfolio, Portfolio Construction

Bohr Portfolio Review: 13 April 2023

April 13, 2023 By Lowell Herr

Bohr is the portfolio scheduled for review today.  Some alterations are planned for this account so pay attention as I walk through what I see as some ways to “heal” or strengthen apparent weaknesses that are likely to arise in the Sector BPI model.  The plan is to make similar changes to the Bethe portfolio […]

Filed Under: Bohr Portfolio, Income, Portfolio Construction, Portfolio Management Tagged With: Bohr Portfolio, Portfolio Construction

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  • Bethe Portfolio Redesigned: 9 July 2026 July 9, 2026
  • Schrodinger Portfolio Update: 8 July 2026 July 8, 2026
  • Bohr Portfolio Review: 7 July 2026 July 7, 2026
  • Dirac 2026 Portfolio Review: 2 July 2026 July 5, 2026
  • Darwin 2026 Portfolio Review: 2 July 2026 July 5, 2026
  • McClintock Sector BPI Portfolio Update: 2 July 2026 July 2, 2026
  • Kepler Portfolio Review: 1 July 2026 July 1, 2026

Recent Comments

  • Lee Cash on Copernicus Portfolio Update: 23 June 2026
  • Lowell Herr on McClintock Sector BPI Portfolio Update: 5 June 2026
  • Lowell Herr on Portfolio Diversification: 6 June 2026
  • William Tynes on Portfolio Diversification: 6 June 2026
  • Lowell Herr on Portfolio Diversification: 6 June 2026
  • William Tynes on Portfolio Diversification: 6 June 2026
  • Lee Cash on Huygens Portfolio Review: 3 June 2026
  • Stellaluna on Kepler Portfolio Review: 27 May 2006
  • Lowell Herr on Kepler Portfolio Review: 27 May 2006
  • Lowell Herr on Kepler Portfolio Review: 27 May 2006

Popular Posts

  • Buffett Indicator & Shiller PE Ratio
  • Financial Repression: Part 1
  • Financial Repression: Another Perspective
  • Portfolio Diversification: 6 June 2026
  • Franklin Sector BPI Portfolio Review: 14 April 2026
  • Financial Repression: Part III
  • Schrodinger Portfolio Update: 17 April 2026
  • McClintock Sector BPI Portfolio Review: 13 March 2026
  • McClintock Sector BPI Portfolio Review: 5 May 2026
  • Gauss Portfolio Review: 29 April 2026

General Investment News

Portfolios coming up for review.  Millikan, Huygens, McClintock, and Bethe are the critical portfolios next up for review.  Non-scheduled portfolios may be reviewed.  If you are a new user, check the posts you missed. Links to Random Posts are found in the lower right-hand footer or just to the right of what you are now reading.  Most popular posts are found in the lower left-hand footer.

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Random Posts

  • Millikan Portfolio Update: 17 April 2023
  • Pauling Asset Allocation Portfolio Review: 16 September 2025
  • Bullish Percent Indicators: 22 September 2023
  • Einstein Asset Allocation Portfolio Review: 2 April 2025
  • Bohr Asset Allocation Portfolio: 22 October 2024
  • Huygens Sector BPI Portfolio Review: 15 February 2024
  • McClintock Portfolio Review: 21 October 2022
  • Kepler Portfolio Update: 3 November 2025
  • Rutherford Portfolio Review (Tranche 1): 22 September 2023
  • Kahneman-Tversky Portfolio Review: 3 March 2023
  • Gauss Sector BPI Portfolio Review: 15 December 2023

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