Whale Rock Capital Management LLC
Long book
$7.74B
Q1 2026
Positions
35
Top-10 weight
51%
concentration
Last quarter
+42.8%
SPY +14.8%
Turnover
44%
of book per quarter
Strategy in plain words
auto-generated from filingsWhale Rock Capital Management LLC is a concentrated fundamental stock-picker, specialised in technology (79% of the long book), running a $7.74B US long book across 35 positions.
The portfolio is concentrated: the top 10 names carry 51% of the portfolio. The portfolio is actively managed, with meaningful quarterly turnover. Current anchor positions: ALPHABET INC-CL A, SANDISK CORP, CELESTICA INC, AMAZON.COM INC, TTM TECHNOLOGIES.
Over the last 9 quarters its long book ran on average 9pp per quarter ahead of the S&P 500, beating the index in 6 of 9 quarters. We rate its filings as signal-bearing: position changes reflect genuine views.
Implied long-book return vs S&P 500
methodology: positions priced quarterly, no shorts/options Fund long book S&P 500
Q1 2024
+7.2%
Q2 2024
+3.9%
Q3 2024
+18.9%
Q4 2024
-13.6%
Q1 2025
+38.1%
Q2 2025
+23.4%
Q3 2025
+1.7%
Q4 2025
-1.0%
Q1 2026
+42.8%
Sector allocation
Technology 78%
Industrials 10%
Consumer discretionary 9%
Other 3%
Services media 0%
Long book by quarter
What does Whale Rock own?
Q1 2026 13F| Company | Sector | Shares | Value | % of book | Change |
|---|---|---|---|---|---|
| GOOGL ALPHABET INC-CL A | Technology | 2.7M | $768.3M | 9.9% | +27.2% |
| SNDK SANDISK CORP | Technology | 799.6K | $508.0M | 6.6% | -20.3% |
| CLS CELESTICA INC | Technology | 1.5M | $427.6M | 5.5% | -19.3% |
| AMZN AMAZON.COM INC | Consumer discretionary | 1.8M | $378.9M | 4.9% | -2.1% |
| TTMI TTM TECHNOLOGIES | Technology | 3.5M | $342.4M | 4.4% | -17.8% |
| AEIS ADVANCED ENERGY INDUSTRIES | Technology | 1.0M | $329.8M | 4.3% | New |
| FN FABRINET | Technology | 611.3K | $318.8M | 4.1% | -0.8% |
| GLW CORNING INC | Industrials | 2.3M | $312.4M | 4.0% | -13.9% |
| MKSI MKS INC | Technology | 1.3M | $300.3M | 3.9% | New |
| META META PLATFORMS INC-CLASS A | Technology | 512.6K | $293.3M | 3.8% | +9.1% |
| FROG JFROG LTD | Technology | 6.0M | $282.5M | 3.6% | +13.6% |
| APP APPLOVIN CORP-CLASS A | Technology | 695.5K | $276.8M | 3.6% | -14.0% |
| CVNA CARVANA CO | Consumer discretionary | 877.6K | $275.9M | 3.6% | -18.0% |
| MTSI MACOM TECHNOLOGY SOLUTIONS H | Technology | 1.2M | $260.9M | 3.4% | +50.0% |
| COHR COHERENT CORP | Other | 975.0K | $232.3M | 3.0% | -10.9% |
| AVGO BROADCOM INC | Technology | 737.1K | $228.2M | 2.9% | -28.6% |
| BE BLOOM ENERGY CORP- A | Industrials | 1.7M | $224.1M | 2.9% | +23.5% |
| LRCX LAM RESEARCH CORP | Industrials | 957.9K | $204.7M | 2.6% | New |
| RBLX ROBLOX CORP -CLASS A | Technology | 3.5M | $199.8M | 2.6% | -14.0% |
| SITM SITIME CORP | Technology | 576.9K | $199.2M | 2.6% | -17.4% |
| TSEM TOWER SEMICONDUCTOR LTD | Technology | 1.1M | $187.2M | 2.4% | New |
| NVDA NVIDIA CORP | Technology | 1.0M | $181.6M | 2.3% | -13.4% |
| KVYO KLAVIYO INC-A | Technology | 6.8M | $132.8M | 1.7% | +123.2% |
| VIAV VIAVI SOLUTIONS INC | Technology | 3.5M | $115.6M | 1.5% | New |
| WDC WESTERN DIGITAL CORP | Technology | 412.0K | $111.4M | 1.4% | New |
| CIEN CIENA CORP | Technology | 231.3K | $89.8M | 1.2% | -74.1% |
| MDB MONGODB INC | Technology | 224.6K | $55.0M | 0.7% | -62.6% |
| DUOL DUOLINGO | Technology | 471.8K | $46.5M | 0.6% | -46.2% |
| PI IMPINJ INC | Technology | 405.2K | $41.6M | 0.5% | -54.3% |
| AAPL APPLE INC | Technology | 96.6K | $24.5M | 0.3% | New |
| MSFT MICROSOFT CORP | Technology | 53.9K | $19.9M | 0.3% | New |
| AMD ADVANCED MICRO DEVICES | Technology | 69.2K | $14.1M | 0.2% | New |
| NFLX NETFLIX INC | Services media | 132.0K | $12.7M | 0.2% | New |
13F filing history
| Period | Form | Filed | Entries | Reported value | Flags | Source |
|---|---|---|---|---|---|---|
| Q1 2026 | 13F-HR | May 15, 2026 | 35 | $7.74B | canonical | SEC ↗ |
| Q4 2025 | 13F-HR | Feb 17, 2026 | 32 | $7.82B | canonical | SEC ↗ |
| Q3 2025 | 13F-HR | Nov 14, 2025 | 36 | $8.49B | canonical | SEC ↗ |
| Q2 2025 | 13F-HR | Aug 14, 2025 | 42 | $7.21B | canonical | SEC ↗ |
| Q1 2025 | 13F-HR | May 15, 2025 | 32 | $5.76B | canonical | SEC ↗ |
| Q4 2024 | 13F-HR | Feb 14, 2025 | 38 | $8.44B | canonical | SEC ↗ |
| Q3 2024 | 13F-HR | Nov 14, 2024 | 36 | $7.13B | canonical | SEC ↗ |
| Q2 2024 | 13F-HR | Aug 14, 2024 | 39 | $7.05B | canonical | SEC ↗ |
| Q1 2024 | 13F-HR | May 15, 2024 | 33 | $6.73B | canonical | SEC ↗ |