Hedge fund, long-only 13F filer
Whale Rock Capital Management
US long stock positions, not assets under management
Form 13F-HR, filed 14 August 2026
Whale Rock Capital Management has stopped filing, or filed late: its most recent 13F in our EDGAR ingest was filed 14 August 2026, covering the quarter ended 30 June 2026 — 1 reporting quarter behind the newest filing among managers we track. Everything below is that last filing, not a current portfolio.
How has Whale Rock Capital Management's portfolio moved against the S&P 500?
Whale Rock Capital Management's latest 13F filing covers the quarter ended 30 June 2026 and was filed 14 August 2026 (45 days after quarter end): 35 disclosed US-listed positions — 12.5B USD in long stock. Seven new buys, five adds, six trims and seven exits against the prior quarter. Holdings are up to 45 days old by the time they clear EDGAR.
Since Sept 2025Whale Rock Capital Management +47%S&P 500 from Dec 2025 +9%
The line rebuilds Whale Rock Capital Management's disclosed 13F holdings at each filing and holds them to the next, tracked against the S&P 500 where daily price history overlaps. Long US equity only — an illustrative read, not an audited return.
Since Sept 2024Whale Rock Capital Management +75%S&P 500 from Dec 2025 +9%
The line rebuilds Whale Rock Capital Management's disclosed 13F holdings at each filing and holds them to the next, tracked against the S&P 500 where daily price history overlaps. Long US equity only — an illustrative read, not an audited return.
- Long stock value
- 12.5B USD
- Positions
- 35
- Top holding
- SNDK, 10.9%
- Top sector
- Technology 87%
- New buys, Q2 2026
- 7
- Exits, Q2 2026
- 7
Values as reported, as of Q2 2026
Top holdings — quarter ended 30 June 2026
35 US-listed positions were disclosed for the quarter ended 30 June 2026; the 15 largest by reported value are below.
Source: SEC EDGAR Form 13F-HR, as filed.
| Position | Value | Weight | Shares | Last quarter |
|---|---|---|---|---|
| SNDKSANDISK CORP | 1.4B USD | 10.9% | 596.5K † | Trimmed |
| AMDADVANCED MICRO DEVICES INC | 877.0M USD | 7.0% | 1.5M | Added |
| GOOGLALPHABET INC | 856.4M USD | 6.9% | 2.4M | Held |
| TTMITTM TECHNOLOGIES INC | 791.2M USD | 6.4% | 4.2M | Held |
| ALABASTERA LABS INC | 757.3M USD | 6.1% | 1.6M | New buy |
| AMZNAMAZON COM INC | 583.4M USD | 4.7% | 2.4M | Added |
| GLWCORNING INC | 570.6M USD | 4.6% | 2.2M | Held |
| MKSIMKS INC. | 565.5M USD | 4.5% | 1.3M | Held |
| CLSCELESTICA INC | 538.6M USD | 4.3% | 1.5M | Held |
| BEBLOOM ENERGY CORP | 486.8M USD | 3.9% | 1.6M | Held |
| COHRCOHERENT CORP | 482.1M USD | 3.9% | 1.2M | Added |
| FNFABRINET | 418.6M USD | 3.4% | 744.8K | Held |
| SITMSITIME CORP | 418.0M USD | 3.4% | 560.7K | Held |
| FROGJFROG LTD | 405.2M USD | 3.3% | 4.5M † | Trimmed |
| MTSIMACOM TECH SOLUTIONS HLDGS I | 376.1M USD | 3.0% | 988.8K | Held |
† Share count moved sharply against value during the quarter — likely a stock split in the reporting, not a real position change.
Quarterly changes — quarter ended 30 June 2026
25 changes vs the prior quarter's filing, as of 30 June 2026: 7 new, 5 added, 6 trimmed and 7 sold out.
What changed against the previous quarter's filing: new positions first, then adds, trims and exits, each sorted by position size.
New buys 7Adds 5Trims 6Exits 7
| Position | Change | Shares moved | Value after |
|---|---|---|---|
| ALABASTERA LABS INC | New buy | +1.6M | 757.3M USD |
| SNOWSNOWFLAKE INC | New buy | +884.7K | 225.2M USD |
| TWLOTWILIO INC | New buy | +821.8K | 169.6M USD |
| STXSEAGATE TECHNOLOGY HLDNGS PL | New buy | +148.5K | 143.3M USD |
| INTCINTEL CORP | New buy | +259.9K | 36.3M USD |
| SPCXSPACE EXPLORATION TECHN CORP | New buy | +152.5K | 26.1M USD |
| CEREBRAS SYSTEMS INC | New buy | +50.7K | 11.2M USD |
| AMDADVANCED MICRO DEVICES INC | Added | +1.4M | 877.0M USD |
| AMZNAMAZON COM INC | Added | +628.3K | 583.4M USD |
| COHRCOHERENT CORP | Added | +247.0K | 482.1M USD |
| VIAVVIAVI SOLUTIONS INC | Added | +3.4M | 328.3M USD |
| CVNACARVANA CO | Added | +3.4M | 280.9M USD |
| SNDKSANDISK CORP | Trimmed | −203.0K | 1.4B USD |
| FROGJFROG LTD | Trimmed | −1.6M | 405.2M USD |
| TSMTAIWAN SEMICONDUCTOR MANUFAC | Trimmed | −229.5K | 281.7M USD |
| APPAPPLOVIN CORP | Trimmed | −233.9K | 237.8M USD |
| NVDANVIDIA CORPORATION | Trimmed | −663.9K | 75.5M USD |
| AVGOBROADCOM INC | Trimmed | −677.4K | 22.6M USD |
| AEISADVANCED ENERGY INDS | Sold out | −1.0M | was 329.8M USD |
| RBLXROBLOX CORP | Sold out | −3.5M | was 199.8M USD |
| TSEMTOWER SEMICONDUCTOR LTD | Sold out | −1.1M | was 187.2M USD |
| CIENCIENA CORP | Sold out | −231.3K | was 89.8M USD |
| ARMARM HOLDINGS PLC | Sold out | −452.4K | was 68.4M USD |
| MSFTMICROSOFT CORP | Sold out | −53.9K | was 19.9M USD |
| NFLXNETFLIX INC. | Sold out | −132.0K | was 12.7M USD |
Sector allocation
Technology carries the largest share of disclosed value, at 87%.
Weights are by reported value of the quarter-end holdings; sectors from the reference list, unclassified where none matched.
| Sector | Weight | Holdings |
|---|---|---|
| Technology | 87% | AAPL, ALAB, AMD, APP, AVGO, CLS, COHR, DUOL, FN, FROG, GLW, GOOGL, INTC, KVYO, LRCX, MDB, MKSI, MTSI, NVDA, PI, SITM, SNDK, SNOW, STX, TSM, TTMI, TWLO, VIAV, WDC |
| Consumer Cyclical | 7% | AMZN, CVNA |
| Utilities | 4% | BE |
| Communication Services | 2% | META |
| Industrials | 0% | SPCX |
| Other / unclassified | 0% |
Whale Rock Capital Management: frequently asked questions
What is Whale Rock Capital Management's biggest holding?
As of the quarter ended 30 June 2026, the largest disclosed position was SNDK (SANDISK CORP), about 10.9% of the disclosed US-listed portfolio by reported value.
What did Alex Sacerdote's Whale Rock Capital Management buy in Q2 2026?
7 new positions were disclosed for the quarter ended 30 June 2026; the largest were ALAB, SNOW, TWLO. Adds and trims are listed in the quarterly-changes table on this page.
How concentrated is the portfolio?
Fairly concentrated. The top five positions are 37% of disclosed value and the top ten are 59%.
When is Whale Rock Capital Management's next 13F due?
13F filings for the quarter ended 30 September 2026 are due by 16 November 2026 — managers have 45 days after each calendar quarter ends. Whether Whale Rock Capital Management files is up to the manager; we show whatever EDGAR receives.
Does this show the whole portfolio?
No. Form 13F covers US-listed long equity and some options only — no short bets, bonds, cash, private businesses, non-US holdings or timing inside the quarter. Amended filings replace originals; this page always shows the latest canonical version.
Read the form itself on SEC EDGAR or see our plain-words guide to 13F filings — Whale Rock Capital Management may have already changed these positions since 30 June 2026.
References
- SEC EDGAR Form 13F-HR, quarterly, up to 45 days delayed. Filings are public records. Ticker mapping via SEC public files and OpenFIGI.
- Finazon prior-day close, indicative (IEX-derived, not the official close), some closes dollar-rounded at the source