I don’t have any compelling news to share about stocks of interest this week and, frankly, nothing I’m so compelled to buy that I want to jump up and down about it… so we’ll move on to some bigger-picture thinking and some updates on the stocks we watch and the performance of the teaser ideas.

I keep an active spreadsheet going of my favorite ideas that I’ve shared with the Irregulars over the years (recently updated, you can see it here), but that doesn’t necessarily represent what my personal portfolio looks like (though I own some of them).

And people often ask me what my personal holdings look like — what kind of weighting I give to my favorite names, what it means when I say I’m opening a “small” position in a stock, etc. So although I absolutely do not suggest that anyone would want to follow my personal portfolio strategy, I do share some updates on my personal positions from time to time and also update folks on what my largest and most significant positions are… with the implication, of course, that these are the stocks I hold with the most conviction and follow most closely.

I tend to have roughly half of my invested assets in a variety of funds that end up pretty much mimicking the big global stock indices, and a (very) small allocation of up to a couple percent to screwing around with options and similar derivatives in an attempt to get lucky and reap an occasional 1,000% windfall (I don’t write about those much, partly because there tend to be many more losers than winners in that part of my portfolio, so they make me look stupid, and partly because I don’t want to encourage anyone to be a gambler on these kinds of things). The rest is in individual stocks and similar investments (a couple targeted closed-end funds, some warrants), and in that part of my portfolio these are the largest holdings, in order by size:

Apple (AAPL)
Berkshire Hathaway (BRK-B)
Altius Minerals (ALS.TO, ATUSF)
PNC Warrants (PNC-WT)
Markel (MKL)
Ligand (LGND)
Seadrill (SDRL)
Greenlight Re (GLRE)
Boston Private Financial Holdings Warrants (BPFHW)
Africa Oil (AOI.V, AOIFF)

The weighting is fairly substantial at the top, Apple is an 8% position in the individual equity portfolio (so about 4% of my ...