Schreiber John

Background

Schreiber John sits in The Filing Post's performance bucket — a classification earned by the numbers rather than name recognition. This is not a household manager with a cable-news presence or a multi-decade public track record to cite. What the disclosures do show is a one-year return of +51.7% and alpha of +34.0% against the S&P 500 over the same period, figures that demand attention regardless of biography. With 408 disclosed holdings, the portfolio is not a concentrated boutique in the traditional sense, yet the weight distribution tells a different story: a small cluster of high-conviction technology positions drives the bulk of apparent return. The curator note says it plainly — "Tech concentration play. Thirty-four percent alpha." That combination of breadth in holdings and intensity at the top is the defining characteristic worth understanding before going further.

Current Portfolio Signal

The top of Schreiber's book is dominated by two names that together account for nearly a third of the entire portfolio. AppLovin (APP) sits at 18.2%, an outsized commitment to a mobile advertising and software platform that few index-weight investors would recognize as a near-anchor position. Meta Platforms (META) follows at 13.9%, reinforcing a clear ad-tech and…