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Whale Rock Capital

Q1 2026 13F · by Alex Sacerdote, founder

As of
Mar 31, 2026
Filed
May 15, 2026
US stock
$7.7B · prev $7.8B
Positions
35 · prev 32
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%

Moves43 since the prior filing

The book

Focused · behaves like 23 equal-sized positions

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

High turnover · 98% a year, about 1.0 years per position

  1. Low
  2. Moderate
  3. High

Top 5 positions31% of US stock

  1. GOOGL Alphabet Inc. Class A added+1.51 pp added+1.519.9%
  2. SNDK Sandisk Corporation trimmed+3.51 pp trimmed+3.516.6%
  3. CLS Celestica, Inc. trimmed−1.60 pp trimmed−1.605.5%
  4. AMZN Amazon.Com Inc trimmed−0.59 pp trimmed−0.594.9%
  5. TTMI TTM Technologies Inc trimmed+0.65 pp trimmed+0.654.4%

Positions35 in this filing · 8 exited

GOOGLAlphabet Inc. Class A9.92%2,671,821$768Madded+27%+1.51 pp3 q
SNDKSandisk Corporation6.56%799,587$508Mtrimmed−20%+3.51 pp2 q
CLSCelestica, Inc.5.52%1,518,201$428Mtrimmed−19%−1.60 pp11 q
AMZNAmazon.Com Inc4.89%1,819,439$379Mtrimmed−2%−0.59 pp10 q
TTMITTM Technologies Inc4.42%3,514,560$342Mtrimmed−18%+0.65 pp4 q
AEISAdvanced Energy Industries Inc4.26%1,022,112$330Mnew+4.26 ppnew
FNFabrinet4.12%611,266$319Mtrimmed−1%+0.53 pp11 q
GLWCorning Incorporated4.03%2,297,424$312Mtrimmed−14%+1.04 pp4 q
MKSIMKS Inc.3.88%1,306,724$300Mnew+3.88 ppnew
METAMeta Platforms, Inc. Class A3.79%512,569$293Madded+9%−0.17 pp15 q
FROGJFrog Ltd.3.65%6,019,793$283Madded+14%−0.58 pp4 q
APPApplovin Corporation Class A3.58%695,537$277Mtrimmed−14%−3.39 pp9 q
TSMTaiwan Semiconductor Manufacturing Company Ltd.3.58%819,445$277Madded+38%+1.28 pp9 q
CVNACarvana Co.3.56%877,554$276Mtrimmed−18%−2.22 pp7 q
MTSIMACOM Technology Solutions Holdings, Inc3.37%1,174,991$261Madded+50%+1.65 pp2 q
COHRCoherent Corp.3.00%975,048$232Mtrimmed−11%+0.42 pp9 q
AVGOBroadcom Inc.2.95%737,142$228Mtrimmed−29%−1.62 pp8 q
BEBloom Energy Corporation2.89%1,653,788$224Madded+23%+1.40 pp5 q
LRCXLam Research Corp2.64%957,877$205Mnew+2.64 ppnew
RBLXRoblox Corporation2.58%3,532,184$200Mtrimmed−14%−1.67 pp7 q
SITMSiTime Corporation2.57%576,933$199Mtrimmed−17%−0.58 pp4 q
TSEMTower Semiconductor Ltd2.42%1,066,737$187Mnew+2.42 ppnew
NVDANvidia Corp2.35%1,041,128$182Mtrimmed−13%−0.52 pp14 q
KVYOKlaviyo, Inc.1.72%6,825,206$133Madded×2.2+0.45 pp11 q
VIAVViavi Solutions Inc.1.49%3,473,152$116Mnew+1.49 ppnew
WDCWestern Digital Corp.1.44%412,006$111Mnew+1.44 ppnew
CIENCiena Corporation1.16%231,267$90Mtrimmed−74%−1.51 pp4 q
ARMArm Holdings plc0.88%452,384$68Mnew+0.88 ppnew
MDBMongoDB, Inc. Class A0.71%224,648$55Mtrimmed−63%−2.51 pp5 q
DUOLDuolingo, Inc. Class A0.60%471,764$47Mtrimmed−46%−1.37 pp13 q
PIImpinj, Inc.0.54%405,244$42Mtrimmed−54%−1.43 pp5 q
AAPLApple Inc.0.32%96,613$25Mnew+0.32 ppnew
MSFTMicrosoft Corp0.26%53,850$20Mnew+0.26 ppnew
AMDAdvanced Micro Devices0.18%69,211$14Mnew+0.18 ppnew
NFLXNetFlix Inc0.16%131,960$13Mnew+0.16 ppnew
SMTCSemtech Corp—−3,901,469—exited−3.68 pp—
MELIMercado Libre, Inc—−98,175—exited−2.53 pp—
NUNu Holdings Ltd.—−10,755,918—exited−2.30 pp—
HUBSHubspot, Inc.—−149,246—exited−0.77 pp—
HPEHewlett Packard Enterprise Company—−1,908,017—exited−0.59 pp—
OKTAOkta, Inc. Class A—−434,854—exited−0.48 pp—
WLTHWealthfront Corporation—−1,600,000—exited−0.28 pp—
CHYMChime Financial, Inc. Class A—−10,572—exited0.00 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