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Whale Rock Capital

Q2 2026 13F · by Alex Sacerdote, founder

As of
Jun 30, 2026
Filed
Aug 14, 2026
US stock
$12.5B · prev $7.7B
Positions
35 · prev 35
Options notional
$0
Documents
1· no amendments

Picture100.0% US stock

Full picture · of what this 13F reports is US stock

  • US stock listed on a US exchange 100.0%
  • Foreign stock not listed in the US 0.0%
  • Notes debt, at principal 0.0%
  • Puts at notional value 0.0%
  • Calls at notional value 0.0%

Moves39 since the prior filing

The book

Focused · behaves like 20 equal-sized positions

  1. Very concentrated
  2. Concentrated
  3. Focused
  4. Diversified

High turnover · 81% a year, about 1.2 years per position

  1. Low
  2. Moderate
  3. High

Top 5 positions37% of US stock

  1. SNDK Sandisk Corporation trimmed+4.33 pp trimmed+4.3310.9%
  2. AMD Advanced Micro Devices added+6.86 pp added+6.867.0%
  3. GOOGL Alphabet Inc. Class A trimmed−3.04 pp trimmed−3.046.9%
  4. TTMI TTM Technologies Inc added+1.93 pp added+1.936.3%
  5. ALAB Astera Labs, Inc. new+6.08 pp new+6.086.1%

Positions35 in this filing · 7 exited

SNDKSandisk Corporation10.89%596,545$1.4Btrimmed−25%+4.33 pp3 q
AMDAdvanced Micro Devices7.04%1,509,650$877Madded×21.8+6.86 pp2 q
GOOGLAlphabet Inc. Class A6.88%2,396,352$856Mtrimmed−10%−3.04 pp4 q
TTMITTM Technologies Inc6.35%4,230,575$791Madded+20%+1.93 pp5 q
ALABAstera Labs, Inc.6.08%1,567,882$757Mnew+6.08 ppnew
AMZNAmazon.Com Inc4.68%2,447,732$583Madded+35%−0.21 pp11 q
GLWCorning Incorporated4.58%2,233,999$571Mtrimmed−3%+0.55 pp5 q
MKSIMKS Inc.4.54%1,271,373$566Mtrimmed−3%+0.66 pp2 q
CLSCelestica, Inc.4.32%1,476,430$539Mtrimmed−3%−1.20 pp12 q
BEBloom Energy Corporation3.91%1,608,305$487Mtrimmed−3%+1.02 pp6 q
COHRCoherent Corp.3.87%1,222,035$482Madded+25%+0.87 pp10 q
SITMSiTime Corporation3.36%560,701$418Mtrimmed−3%+0.79 pp5 q
FNFabrinet3.36%744,765$419Madded+22%−0.76 pp12 q
FROGJFrog Ltd.3.25%4,458,423$405Mtrimmed−26%−0.40 pp5 q
MTSIMACOM Technology Solutions Holdings, Inc3.02%988,785$376Mtrimmed−16%−0.35 pp3 q
VIAVViavi Solutions Inc.2.64%6,875,942$328Madded+98%+1.15 pp2 q
LRCXLam Research Corp2.58%742,638$322Mtrimmed−22%−0.06 pp2 q
TSMTaiwan Semiconductor Manufacturing Company Ltd.2.26%589,911$282Mtrimmed−28%−1.32 pp10 q
CVNACarvana Co.2.25%4,267,080$281Mtrimmed−3%−1.31 pp8 q
METAMeta Platforms, Inc. Class A2.06%455,982$257Mtrimmed−11%−1.73 pp16 q
WDCWestern Digital Corp.2.05%400,687$256Mtrimmed−3%+0.61 pp2 q
APPApplovin Corporation Class A1.91%461,611$238Mtrimmed−34%−1.67 pp10 q
SNOWSnowflake Inc.1.81%884,691$225Mnew+1.81 ppnew
TWLOTwilio Inc.1.36%821,768$170Mnew+1.36 ppnew
STXSeagate Technology Holdings PLC (Ireland)1.15%148,543$143Mnew+1.15 ppnew
KVYOKlaviyo, Inc.0.67%5,528,166$83Mtrimmed−19%−1.05 pp12 q
MDBMongoDB, Inc. Class A0.61%224,648$75Mheld—6 q
NVDANvidia Corp0.61%377,204$75Mtrimmed−64%−1.74 pp15 q
PIImpinj, Inc.0.47%405,244$58Mheld—6 q
DUOLDuolingo, Inc. Class A0.44%471,764$54Mheld—14 q
INTCIntel Corp0.29%259,903$36Mnew+0.29 ppnew
AAPLApple Inc.0.23%99,766$29Madded+3%−0.09 pp2 q
SPCXSpace Exploration Technologies Corp. Class A0.21%152,517$26Mnew+0.21 ppnew
AVGOBroadcom Inc.0.18%59,780$23Mtrimmed−92%−2.77 pp9 q
CBRSCerebras Systems Inc. Class A0.09%50,696$11Mnew+0.09 ppnew
AEISAdvanced Energy Industries Inc—−1,022,112—exited−4.26 pp—
RBLXRoblox Corporation—−3,532,184—exited−2.58 pp—
TSEMTower Semiconductor Ltd—−1,066,737—exited−2.42 pp—
CIENCiena Corporation—−231,267—exited−1.16 pp—
ARMArm Holdings plc—−452,384—exited−0.88 pp—
MSFTMicrosoft Corp—−53,850—exited−0.26 pp—
NFLXNetFlix Inc—−131,960—exited−0.16 pp—

Source

Form
13F-HR
Reading
0 defects · 0 unresolved
Options
none in this filing
Notes
none in this filing
SEC cross-check
SEC data set not published yet