growth

Whale Rock Capital

Alex Sacerdote · CIK 0001387322 · latest 13F for 2026-06-30 filed 2026-08-14

Estimated from 13F holdings — long US equities only; follow-the-filing returns are net of an assumed 10 bps per unit of turnover.

Annualised 3Y (copying filings)
+56.0%
SPY +22.9% · alpha +33.0%/yr
Since start, annualised
+45.1%
Aug 2022 – Oct 2026 · SPY +17.3%
TTM (copy, net)
+34.2%
SPY +16.2%
YTD (copy, net)
+34.9%
SPY +14.4%
13F-implied TTM
+37.3%
held from quarter end
Coverage
90%
17 quarters of history
13F long book
$12.5B
35 positions
Concentration
59%
top 10 · avg turnover 27%/qtr

About the fund

Whale Rock Capital Management is a Boston-based, SEC-registered investment adviser founded in 2006. The firm specializes in global technology, media, and telecommunications (TMT) sectors, managing a variety of investment vehicles including hedge funds, long-only, and hybrid strategies.

Long/short equityTech-focused

Strategy

Technology-focused, fundamental, research-driven long/short equity and hybrid strategies.

Investment approach

Whale Rock employs a fundamental, research-driven approach to identify technological, social, and economic trends that drive significant product cycles and industry inflection points. The firm uses an S-Curve framework to assess market opportunities, competitive advantages, and potential valuation. It focuses on TMT sectors, seeking companies with strong business models and underappreciated earnings power for long positions, while identifying companies with weak models or over-hyped opportunities for short positions.

History

Whale Rock Capital Management was founded by Alex Sacerdote in 2006. The firm has grown into a technology-focused investment manager, navigating periods of significant market volatility and performance fluctuations, including a notable turnaround following losses in 2021 and 2022. It operates out of Boston and manages various investment vehicles including flagship, long-only, hybrid, and megacap funds.

Notable positions & campaigns

  • Nvidia2022 — Initiated position in Q4 2022; became the firm's largest long by March 2024.
  • Amazon2015 — Initial investment made in 2015; became second-largest long by Q1 2024.
  • Meta Platforms2022 — Initiated position in Q3 2022; became third-largest long.
  • Super Micro Computer2023 — Significant gains reported in 2023; position liquidated in Q1 2024.

Profile generated 2026-10-09 from public sources; may be incomplete or out of date.

Founded by
Alex Sacerdote
Founded
2006
HQ
Boston, United States
Reported AUM
$13.0bn (as of 2026-06-02)
Website
whalerockcapital.com

Management

  • Alex SacerdoteCEO, Owner, Managing Member
  • Robert Edward FinneranChief Financial Officer
  • James Gaddis HoughtlinGeneral Counsel
  • Kristy Sott KennedyChief Operating Officer
  • Kendell Victoria BenzChief Compliance Officer

Holdings heatmap

Latest 13F (2026-06-30): top 35 positions grouped by sector, sized by weight, coloured by the change in weight since the previous 13F.

Holdings map

Each tile is a position, sized by reported value and coloured by the stock's own price return (red down, green up) — the LiquidRound / finviz-style map.

Copy portfolio vs SPY

Growth of $1 following each filing the trading day after it was filed.

Top holdings

Latest 13F (2026-06-30).

# Ticker Issuer Sector Value Weight
1 SNDK SANDISK CORP Technology $1.4B 10.9%
2 AMD ADVANCED MICRO DEVICES INC Technology $877M 7.0%
3 GOOGL ALPHABET INC Communication Services $856M 6.9%
4 TTMI TTM TECHNOLOGIES INC Technology $791M 6.4%
5 ALAB ASTERA LABS INC Technology $757M 6.1%
6 AMZN AMAZON COM INC Consumer Cyclical $583M 4.7%
7 GLW CORNING INC Technology $571M 4.6%
8 MKSI MKS INC. Technology $566M 4.5%
9 CLS CELESTICA INC Technology $539M 4.3%
10 BE BLOOM ENERGY CORP Industrials $487M 3.9%
11 COHR COHERENT CORP Technology $482M 3.9%
12 — FABRINET — $419M 3.4%
13 SITM SITIME CORP Technology $418M 3.4%
14 — JFROG LTD — $405M 3.3%
15 MTSI MACOM TECH SOLUTIONS HLDGS I Technology $376M 3.0%
16 VIAV VIAVI SOLUTIONS INC Technology $328M 2.6%
17 LRCX LAM RESEARCH CORP Technology $322M 2.6%
18 TSM TAIWAN SEMICONDUCTOR MANUFAC Technology $282M 2.3%
19 CVNA CARVANA CO Consumer Cyclical $281M 2.3%
20 META META PLATFORMS INC Communication Services $257M 2.1%
21 WDC WESTERN DIGITAL CORP Technology $256M 2.1%
22 APP APPLOVIN CORP Communication Services $238M 1.9%
23 SNOW SNOWFLAKE INC Technology $225M 1.8%
24 TWLO TWILIO INC Technology $170M 1.4%
25 — SEAGATE TECHNOLOGY HLDNGS PL — $143M 1.2%

Sector mix

Top-25 holdings by weight.

Technology66.8%
Communication Services10.8%
Other / unknown7.8%
Consumer Cyclical6.9%
Industrials3.9%

Changes this quarter

Move Ticker Issuer Prev wt Now wt
added AMD ADVANCED MICRO DEVICES INC 0.2% 7.0%
new ALAB ASTERA LABS INC 0.0% 6.1%
trimmed SNDK SANDISK CORP 6.6% 10.9%
exited AEIS ADVANCED ENERGY INDS 4.3% 0.0%
trimmed GOOGL ALPHABET INC 9.9% 6.9%
trimmed AVGO BROADCOM INC 2.9% 0.2%
exited RBLX ROBLOX CORP 2.6% 0.0%
exited — TOWER SEMICONDUCTOR LTD 2.4% 0.0%
added TTMI TTM TECHNOLOGIES INC 4.4% 6.4%
new SNOW SNOWFLAKE INC 0.0% 1.8%
trimmed NVDA NVIDIA CORPORATION 2.3% 0.6%
trimmed META META PLATFORMS INC 3.8% 2.1%
trimmed APP APPLOVIN CORP 3.6% 1.9%
new TWLO TWILIO INC 0.0% 1.4%
trimmed TSM TAIWAN SEMICONDUCTOR MANUFAC 3.6% 2.3%
added CVNA CARVANA CO 3.6% 2.3%
exited CIEN CIENA CORP 1.2% 0.0%
new — SEAGATE TECHNOLOGY HLDNGS PL 0.0% 1.2%
added VIAV VIAVI SOLUTIONS INC 1.5% 2.6%
trimmed KVYO KLAVIYO INC 1.7% 0.7%

Quarterly copy returns

Each 13F held from the day after filing until the next filing.

13F period Held Copy SPY Alpha Coverage
2026-06-30 2026-08-17 → 2026-10-08 -1.5% +0.4% -1.9% 92%
2026-03-31 2026-05-18 → 2026-08-17 +1.6% +4.9% -3.3% 90%
2025-12-31 2026-02-18 → 2026-05-18 +35.1% +7.9% +27.2% 90%
2025-09-30 2025-11-17 → 2026-02-18 +3.9% +3.4% +0.5% 93%
2025-06-30 2025-08-15 → 2025-11-17 +9.9% +3.7% +6.2% 92%
2025-03-31 2025-05-16 → 2025-08-15 +20.8% +8.6% +12.2% 89%
2024-12-31 2025-02-18 → 2025-05-16 -6.7% -2.5% -4.2% 87%
2024-09-30 2024-11-15 → 2025-02-18 +26.6% +4.7% +21.9% 86%
2024-06-30 2024-08-15 → 2024-11-15 +23.2% +6.2% +16.9% 88%
2024-03-31 2024-05-16 → 2024-08-15 +4.3% +4.9% -0.7% 87%
2023-12-31 2024-02-15 → 2024-05-16 -0.1% +5.6% -5.7% 81%
2023-09-30 2023-11-15 → 2024-02-15 +27.4% +12.1% +15.3% 83%
2023-06-30 2023-08-15 → 2023-11-15 +8.9% +1.9% +7.0% 85%
2023-03-31 2023-05-16 → 2023-08-15 +18.8% +8.4% +10.4% 88%
2022-12-31 2023-02-15 → 2023-05-16 +4.8% -0.5% +5.4% 75%
2022-09-30 2022-11-15 → 2023-02-15 +14.5% +4.4% +10.2% 77%

Filing dates

  • 2026-08-1413F-HR for 2026-06-30 · $12.5B · 35 rows
  • 2026-05-1513F-HR for 2026-03-31 · $7.7B · 35 rows
  • 2026-02-1713F-HR for 2025-12-31 · $7.8B · 32 rows
  • 2025-11-1413F-HR for 2025-09-30 · $8.5B · 36 rows
  • 2025-08-1413F-HR for 2025-06-30 · $7.2B · 42 rows
  • 2025-05-1513F-HR for 2025-03-31 · $5.8B · 32 rows
  • 2025-02-1413F-HR for 2024-12-31 · $8.4B · 38 rows
  • 2024-11-1413F-HR for 2024-09-30 · $7.1B · 36 rows
  • 2024-08-1413F-HR for 2024-06-30 · $7.1B · 39 rows
  • 2024-05-1513F-HR for 2024-03-31 · $6.7B · 33 rows
  • 2024-02-1413F-HR for 2023-12-31 · $5.6B · 38 rows
  • 2023-11-1413F-HR for 2023-09-30 · $5.0B · 40 rows

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