In short: Housekeeping on the arb book: listed among the week's special-situations updates as reaching the finish line — "and then LBRDK is closing as well… the LBRDK merger is expected to close on August 20th, which just happened."
Liberty Broadband's merger completed around August 20 — the deal Singh had been tracking is simply done, which is why it appears as a one-line item in the special-situations round-up.
For an arbitrage book this is the ordinary end state: the spread between the market price and the deal price disappears at closing, the position converts, and the capital is freed for the next situation. It is housekeeping rather than a new idea.
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