Will Pershing Square retain its Microsoft stake without shorting or divesting by September 30, 2026?
Posted 2026-09-21 — 14 days before the deadline, stated before the outcome.
Pershing Square Capital Management is an investment firm that publishes its portfolio holdings. Microsoft Corporation is a major technology company whose stock is widely held by institutional investors.
The claim
Pershing Square will retain its roughly $2.09 billion Microsoft stake without initiating a public short position or announcing a divestment by September 30, 2026.
Reasoning trace
- The recent $1 billion Netflix disclosure is the primary driver of the coverage spike, not new Microsoft activity.
- Ackman's recent commentary suggests a long-only bias for value dislocations rather than immediate hedging.
- No signals indicate a shift to short selling or exit of the Microsoft stake.
Evidence so far
0 confirming · 0 denying signals · 1 verified · 0 broken assumptions. The evidence itself is part of the full dossier.
Probability history
Updated 2 times since mint (last on 2026-09-22) — 78% at mint → 81% today.
What to watch
- precondition Pershing Square Capital Management files a Schedule 13D or Schedule 13F amendment with the SEC reporting a short position or derivative exposure in Microsoft (MSFT).
- precondition Pershing Square Capital Management files a Schedule 13G amendment with the SEC indicating a reduction in its Microsoft stake below the 5% threshold.
- leading indicator Major financial news outlets (e.g., Bloomberg, Reuters) report that Pershing Square has sold or exited its Microsoft position.
The full dossier behind this prediction — the evidence trail, the risk analysis, the monetization scenarios — is available on request: [email protected].
Probabilities are calibrated against the system's own resolved history; after the deadline the outcome is resolved and audited — including the calls we get wrong. Nothing on this page is investment advice.