Alphabet's SpaceX Stake Surges Over 100-Fold to $94 Billion
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Alphabet invested roughly $900 million in SpaceX in 2015; by June 30 that stake was worth about $94.2 billion — a more-than-100x return that now makes the lock-up schedule and any eventual sell-down the single most-watched variable around SpaceX's post-IPO trading.
How much has this bet actually made?
Alphabet put in roughly $900 million in 2015, acquiring 551.2 million shares of SpaceX.
At the June 30 closing price of $170.86, those shares were worth about $94.2 billion — a return exceeding 100x.
This means → on paper, it ranks as one of the highest-returning single external investments in Alphabet's history.
By August 14, SpaceX had pulled back to $146.15, trimming the stake's value to roughly $81.8 billion — still about 90x the original outlay.
How has SpaceX stock performed since the IPO?
SpaceX went public on June 12 at $135 per share.
As of August 14 it traded at $146.15, about 8.3% above the IPO price.
But that is roughly 14% below the June 30 close.
In plain terms = two months in, early buyers are still up, but anyone who bought near the post-IPO peak is underwater.
How concentrated is SpaceX's institutional ownership?
Reuters analyzed quarterly 13F filings — mandatory U.S. disclosures of institutional holdings — and found Alphabet is by far SpaceX's largest single institutional holder.
Second-placed Gigafund Management holds about 171.8 million shares, less than a third of Alphabet's position.
Next come Baillie Gifford (51.4 million), BlackRock (51.0 million), and the Ontario Teachers' Pension Plan (50.7 million).
This reflects an unusually concentrated institutional register: if any top holder moves to sell, the market impact could be far larger than in a typical IPO.
What can — and can't — 13F filings tell us?
Interactive Brokers strategist Steve Sosnick notes that 13F filings cannot distinguish pre-IPO shares from shares bought after listing.
They also do not disclose lock-up status or any intention to reduce a position.
This means → outsiders have little visibility into which institutions are sitting on massive unrealized gains and which are recent buyers. Alphabet is a rare exception because it publicly disclosed its 2015 investment amount, providing a benchmark.
What is the retail and sentiment picture right now?
Vanda Research data show SpaceX retail investors turned net sellers for the first time on August 8, with net selling of roughly $4.5 million that day.
Yet SpaceX had rallied about 30% since August 5; a 3% drop on August 7 was quickly reversed.
Sosnick says SpaceX remains one of the most actively traded stocks among Interactive Brokers clients; the first lock-up expiry did not trigger a sell-off and instead gave sentiment "a new boost."
The timing of Alphabet's lock-up expiry and its eventual sell-down plan will be the key variable the market continues to watch.
Content is for reference only, not financial advice.