Why Microsoft Stands Out in August 15 Reddit Discussion: Superinvestor 13F Love, Capex Questions, and Options Expansion

MSFT climbed to rank 3 on Reddit with 24 posts and 484 comments, driven by superinvestor 13F analysis.
Discussion centered on why Warren Buffett and Greg Abel are piling into
$GOOGL rather than
$MSFT, despite MSFT being a top superinvestor buy.
CBOE’s planned pre-market options trading for MSFT and other tech giants added a fresh catalyst.

$MSFT surged to rank 3 on Reddit on August 15, earning 24 posts and 484 comments as retail investors parsed fresh 13F filings and debated hyperscaler capex dynamics. The stock’s sentiment score stood at 0.24 positive, reflecting a generally bullish yet nuanced discussion across r/ValueInvesting, r/stocks, and r/options.

Superinvestor 13F Filings Drive MSFT Focus

Data from Dataroma, shared in r/ValueInvesting and r/stocks, showed MSFT as the top stock buy by superinvestors in Q2, with Meta, Visa, and Amazon rounding out the top four. The list, which also included Berkshire Hathaway and S&P Global, highlighted MSFT’s strong institutional backing. However, a parallel thread in r/stocks questioned why Buffett and Greg Abel are aggressively accumulating

$GOOGL while avoiding other hyperscalers like MSFT and

$AMZN. The post noted that

$GOOGL has become Berkshire’s third-largest holding, while Druckenmiller sold his MSFT position.

This contrast sparked debate about whether MSFT’s valuation or competitive position is less compelling relative to

$GOOGL, especially given the latter’s AI monetization potential and lower capex burden.

Hyperscaler Capex Modeling Raises Questions

A r/ValueInvesting thread modeled aggregate hyperscaler capex at $750B for CY2026, with MSFT,

$AMZN,

$GOOGL, and

$META projected to generate nearly $2T in revenue. The analysis calculated $110B in annual depreciation from that capex, suggesting the investment is manageable if EBITDA margins hold. The thread invited input on whether the capex can generate sufficient returns, reflecting a broader retail curiosity about the sustainability of big tech spending.

CBOE Options Expansion Adds Catalyst

In r/options, traders discussed CBOE’s plan to begin pre-market trading in select equity options on Monday, August 17, including MSFT. The expanded hours, from 7:30 AM ET, could increase liquidity and allow options strategies during news-driven pre-market moves. While similar plans have been delayed before, the announcement added a fresh tactical angle for MSFT option traders.

MSFT

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