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Q2 2026 holdings · 8 filings on record

Whale Rock Capital Management LLC

Alex Sacerdote

Whale Rock Capital Management is a Boston-based equity manager that Alex Sacerdote founded in 2006 and leads as chief executive and portfolio manager. Before starting it, he spent 1999 to 2006 at Fidelity as an equity analyst and sector portfolio manager focused on technology. Whale Rock specializes in technology, media and telecom companies. It runs long/short, long-only and hybrid strategies and invests in public companies as well as late-stage private ones. Because a 13F lists mainly US-listed stocks and leaves out short positions, the holdings shown here are only part of the firm's positions.

AI-written, awaiting an editor · as of Oct 31, 2026 · not from the filings · 4 sources
  1. Boston Investment Conference: Alex Sacerdote bostoninvestmentconference.com ↗
  2. Graham & Doddsville: Alex Sacerdote interview (via Hedge Fund Alpha) hedgefundalpha.com ↗
  3. SEC: Form ADV, Whale Rock Capital Management reports.adviserinfo.sec.gov ↗
  4. SEC: Frequently asked questions about Form 13F sec.gov ↗
Held on Jun 30, now 124 days oldReported to the SEC Aug 14, 2026Next filing due Nov 16 · 15 days
US-listed stocks held$12.5B
Positions35
Behaves like20equal-sized positions
Top 10 holdings59.3%of the total

Holdings

On June 30, 2026, Whale Rock Capital Management LLC held 35 positions in US-listed stocks worth $12.5 billion. The ten largest were 59.3% of it.

  1. 1SanDisk CorpSNDK$1.4B10.9%
  2. 2Advanced Micro Devices, Inc.AMD$877M7.0%
  3. 3Alphabet Inc.GOOGLCAP STK CL A$856.4M6.9%
  4. 4TTM TECHNOLOGIES INCTTMI$791.2M6.4%
  5. 5Astera Labs, Inc.ALAB$757.3M6.1%
  6. 6Amazon.com, Inc.AMZN$583.4M4.7%
  7. 7CORNING INCGLW$570.6M4.6%
  8. 8MKS INC.MKSI$565.5M4.5%
  9. 9Celestica Inc.CLS$538.6M4.3%
  10. 10Bloom Energy CorpBECOM CL A$486.8M3.9%

What this filing cannot show

A 13F is a partial picture. Here is the part that is missing.

It lists long positions in US-listed stocks and options only. Not short positions, cash, ordinary bonds, anything listed only abroad, anything private, or anything bought and sold inside the quarter.

What is a 13F?

A quarterly SEC filing where large investment managers list the long positions in US-listed stocks and options they held at the end of the quarter. It is a snapshot, filed up to 45 days after that date.

Why is this list weeks old?

Managers have 45 days after each quarter ends to file, and most of the funds we track file on the last permitted day. So the newest list still describes where the fund stood weeks ago, and the market has moved since.

What does “behaves like” mean?

How many equal-sized positions would be exactly this concentrated. Ten positions of the same size behave like 10. Ten positions where one holds most of the money behave like fewer than 2. It is 1 divided by the sum of each position’s squared share of the total.

Why are two lines sometimes the same company?

Each line is one security as the manager filed it. Two share classes of one company, or a company’s stock and its convertible notes, are separate lines in the filing, and they stay separate here.

Filing history

8 filings on record.

Quarter endedReported to the SECPositionsSource
Jun 30, 2026Aug 14, 202635Open the SEC filing ↗
Mar 31, 2026May 15, 202635Open the SEC filing ↗
Dec 31, 2025Feb 17, 202632Open the SEC filing ↗
Sep 30, 2025Nov 14, 202536Open the SEC filing ↗
Jun 30, 2025Aug 14, 202542Open the SEC filing ↗
Mar 31, 2025May 15, 202532Open the SEC filing ↗
Dec 31, 2024Feb 14, 202538Open the SEC filing ↗
Sep 30, 2024Nov 14, 202436Open the SEC filing ↗

Where a manager later amended a filing, the date shown is the amendment’s. Every filing from this fund at the SEC ↗

⚠️ Public information, sourced from SEC 13F filings. A 13F shows long US-listed positions only; it cannot show shorts, cash, ordinary bonds, foreign lines, or anything bought and sold within the quarter. Values are the manager’s own quarter-end figures, filed up to 45 days later. Not financial advice.