Greylock 15 Gp 13F annual report

Greylock 15 Gp is an investment fund managing more than $47 billion ran by Donald Sullivan. There are currently 3 companies in Mr. Sullivan’s portfolio. The largest investments include Blend Labs and Aurora Innovations, Inc., together worth $45.3 billion.

$47 billion Assets Under Management (AUM)

As of 30th July 2024, Greylock 15 Gp’s top holding is 10,034,191 shares of Blend Labs currently worth over $23.7 billion and making up 50.3% of the portfolio value. Relative to the number of outstanding shares of Blend Labs, Greylock 15 Gp owns more than approximately 0.1% of the company. In addition, the fund holds 7,793,874 shares of Aurora Innovations, Inc. worth $21.6 billion. The third-largest holding is Sonder Holdings Inc worth $1.78 billion.

Currently, Greylock 15 Gp's portfolio is worth at least $47 billion. The total portfolio value may be much higher due to cash assets that are not publicly disclosed such as fixed income, real estate, or cash equivalents.

Careers at Greylock 15 Gp

The Greylock 15 Gp office and employees reside in Menlo Park, California. According to the last 13-F report filed with the SEC, Donald Sullivan serves as the Administrative Partner at Greylock 15 Gp.

Recent trades



Donald Sullivan disclosed a decreased stake in Aurora Innovations, Inc. by 0.4%. This leaves the value of the investment at $21.6 billion and 7,793,874 shares.

One of the smallest hedge funds

The two most similar investment funds to Greylock 15 Gp are Sender Co & Partners and Matrix China Management Iv, L.P.. They manage $47.1 billion and $47 billion respectively.


Donald Sullivan investment strategy

Greylock 15 Gp’s portfolio is diversified across 2 sectors. Currently, their heaviest sector is Technology — making up 50.3% of the total portfolio value. The fund focuses on investments in the United States as 33.3% of the portfolio companies are based in the United States.

The majority of the companies in the fund’s portfolio are large-cap stocks. Stocks with a size of more than $10 billion in market cap make up approximately 0.1% of the total holdings value. On the other hand, small-cap stocks make up only approximately 0.1% of the portfolio. The average market cap of the portfolio companies is close to $316 million.

The complete list of Greylock 15 Gp trades based on 13F SEC filings

These positions were updated on August 6th based on the fund’s latest 13F filing. Quickly find out what the most recently closed or increased positions are.

Security Shares Owned Value Allocation
Blend Labs, Inc.
No change
10,034,191
$23,680,691,000 50.33%
Aurora Innovations, Inc.
44.71%
7,793,874
$21,589,031,000 45.89%
Sonder Holdings Inc
No change
384,278
$1,779,207,000 3.78%
No transactions found
Showing first 500 out of 3 holdings