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Whale Rock Capital Management LLC
13F Filing

Whale Rock Capital Management LLC

Tech-focused long/short hedge fund founded by Alex Sacerdote in 2006 (former Fidelity tech analyst). Concentrated long-biased investing in internet, software, semiconductors.

Period2026.04.01 ~ 2026.06.30
Filed2026.08.14
Filing
Current Portfolio
$12.46B
Reported total portfolio value per 13F filing
Previous Portfolio
$7.74B
Change
+60.89%

Holdings

Scroll
#Company% of PortfolioActivity
Market Value
SharesChangeSector
1
SANDISK CORP
SNDK
SANDISK CORP
10.89%
Reduced
$1.36B
596,545
-203,042
Information Technology
2
ADVANCED MICRO DEVICES INC
AMD
ADVANCED MICRO DEVICES INC
7.04%
Increased
$877M
1,509,650
+1,440,439
Information Technology
3
ALPHABET INC
GOOGL
ALPHABET INC
6.88%
Reduced
$856M
2,396,352
-275,469
Communication Services
4
TTM TECHNOLOGIES INC
TTMI
TTM TECHNOLOGIES INC
6.35%
Increased
$791M
4,230,575
+716,015
Information Technology
5
ASTERA LABS INC
ALAB
ASTERA LABS INC
6.08%
New
$757M
1,567,882
+1,567,882
Information Technology
6
AMAZON COM INC
AMZN
AMAZON COM INC
4.68%
Increased
$583M
2,447,732
+628,293
Consumer Discretionary
7
CORNING INC
GLW
CORNING INC
4.58%
Reduced
$571M
2,233,999
-63,425
Information Technology
8
MKS INC.
MKSI
MKS INC.
4.54%
Reduced
$566M
1,271,373
-35,351
Industrials
9
CELESTICA INC
CLS
CELESTICA INC
4.32%
Reduced
$539M
1,476,430
-41,771
Information Technology
10
BLOOM ENERGY CORP
BE
BLOOM ENERGY CORP
3.91%
Reduced
$487M
1,608,305
-45,483
Industrials

Portfolio Changes

Buy Positions

New Buy

  • ASTERA LABS INC
    ALABASTERA LABS INC

    Current 6.08%

    +1,567,882Shares

  • SNOWFLAKE INC
    SNOWSNOWFLAKE INC

    Current 1.81%

    +884,691Shares

  • TWILIO INC
    TWLOTWILIO INC

    Current 1.36%

    +821,768Shares

  • SEAGATE TECHNOLOGY HLDNGS PL
    STXSEAGATE TECHNOLOGY HLDNGS PL

    Current 1.15%

    +148,543Shares

  • INTEL CORP
    INTCINTEL CORP

    Current 0.29%

    +259,903Shares

Additional Buy

  • ADVANCED MICRO DEVICES INC
    AMDADVANCED MICRO DEVICES INC

    +2081.23%

    +1,440,439Shares

  • TTM TECHNOLOGIES INC
    TTMITTM TECHNOLOGIES INC

    +20.37%

    +716,015Shares

  • AMAZON COM INC
    AMZNAMAZON COM INC

    +34.53%

    +628,293Shares

  • COHERENT CORP
    COHRCOHERENT CORP

    +25.33%

    +246,987Shares

  • FABRINET
    FNFABRINET

    +21.84%

    +133,499Shares

Sell Positions

Full Exit

  • ADVANCED ENERGY INDS
    AEISADVANCED ENERGY INDS

    Full Exit

    0Shares

  • ROBLOX CORP
    RBLXROBLOX CORP

    Full Exit

    0Shares

  • TOWER SEMICONDUCTOR LTD
    TSEMTOWER SEMICONDUCTOR LTD

    Full Exit

    0Shares

  • CIENA CORP
    CIENCIENA CORP

    Full Exit

    0Shares

  • ARM HOLDINGS PLC
    ARMARM HOLDINGS PLC

    Full Exit

    0Shares

Partial Exit

  • SANDISK CORP
    SNDKSANDISK CORP

    -25.39%

    -203,042Shares

  • ALPHABET INC
    GOOGLALPHABET INC

    -10.31%

    -275,469Shares

  • CORNING INC
    GLWCORNING INC

    -2.76%

    -63,425Shares

  • MKS INC.
    MKSIMKS INC.

    -2.71%

    -35,351Shares

  • CELESTICA INC
    CLSCELESTICA INC

    -2.75%

    -41,771Shares

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