Whale Rock Capital Management LLC
SEC Form 13F institutional filer · CIK 0001387322
13F-HR · 17 reported holdings · 2026-03-31
Hedge fund manager.
Reported long-US-equity value
$3.93B
Top-10 concentration
88.5%
Whale Rock Capital Management LLC — $3.93B AUM allocation strategy
Whale Rock Capital Management LLC files SEC Form 13F and reports $3.93B of long US equity value across 17 reported holdings for 2026-03-31.
Its largest sector bet is Information Technology 49.0%, followed by Communication Services 34.4% and Consumer Discretionary 16.7%.
The top 10 holdings account for 88% of reported value — a conviction-weighted book concentrated in its best ideas. The sector and industry splits below are of the same reported value. Track quarter-over-quarter adds, trims, new positions and exits below — sourced from SEC 13F filings, public domain.
Whale Rock Capital Management LLC — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$3.93B
total across 17 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
88% of value
higher = narrower conviction; lower = spread / hedging
Biggest trims (shares)
−$CIEN −662K sh · −$119M−$GLW −372K sh · +$78.6M−$AVGO −295K sh · −$129M
Sector allocation (share of reported value)
each slice is a share of the reported long-US-equity value — smaller sectors and the rest of the book roll into “Other holdings”
Qtr shift = share-point change vs the prior quarter's filing — first period tracked for this filer; the column fills in with the next quarterly refresh.
Industry allocation (share of reported value)
- Interactive Media & Services27.0%—
- Technology Hardware, Storage & Peripherals16.4%—
- Electronic Components13.8%—
- Semiconductors10.8%—
- Broadline Retail9.6%—
- Advertising7.0%—
- Automotive Retail7.0%—
- Semiconductor Materials & Equipment5.2%—
- Other holdings3.2%—
the finer GICS cut of the same book — same denominator — smaller industries roll into “Other holdings”
Qtr shift = share-point change vs the prior quarter's filing — first period tracked for this filer; the column fills in with the next quarterly refresh.
Top S&P 500 holdings
10 of 10 rows · sorted by Value ↓
| Ticker | Holding | Shares | Value | Δ QoQ | Weight |
|---|---|---|---|---|---|
| $GOOG | Alphabet Inc. Class C Capital Stock | 2.67M | $768M | +571K | 19.5% |
| $SNDK | Sandisk Corporation | 800K | $508M | -204K | 12.9% |
| $AMZN | Amazon.com Inc | 1.82M | $379M | -38.4K | 9.6% |
| $GLW | Corning Incorporated | 2.3M | $312M | -372K | 7.9% |
| $META | Meta Platforms Inc | 513K | $293M | +42.9K | 7.5% |
| $APP | Applovin Corporation | 696K | $277M | -113K | 7.0% |
| $CVNA | Carvana Co | 878K | $276M | -193K | 7.0% |
| $COHR | Coherent Corp | 975K | $232M | -120K | 5.9% |
| $AVGO | Broadcom Inc | 737K | $228M | -295K | 5.8% |
| $LRCX | Lam Research Corporation | 958K | $205M | — | 5.2% |
…and 7 more holdings in the full 13F filing (top positions only shown).
SEC Form 13F data sets · public domain · 45-day filing lag · >$100M AUM managers · as reported
← All 13F filers·← QuantOrb.pro
How to read Δ QoQ — the five insight categories, and the caveats
The categories. Analysts, quants and retail traders look past total portfolio value to isolate actionable signals. Five categories matter.
Conviction & concentration shifts
New positions vs complete exits — a brand-new stock signals high conviction; a full liquidation suggests a broken thesis or tax-loss harvesting. Aggressive sizing — look at share count, not dollars: a 20% share increase during a drawdown is strong dip-buying. Concentration — a narrowing top-5/10 means conviction; spreading capital across more names means hedging.
Sector & macro allocation rotations
Aggregating Δ QoQ moves across sectors shows where smart money is leaning in or sneaking out — rotating out of growth into defensives or energy, for example. The fund's total long equity exposure quarter-over-quarter is a proxy for overall institutional risk appetite.
Crowding & smart-money consensus
When several managers initiate or expand the same stock in the same quarter, that is institutional consensus. Contrarian reads: top pickers buying hard into a beaten-down name the market is selling.
Derivative & option overlays
Reported call/put changes indicate whether managers are adding downside hedges or leveraging upside exposure. Note: a long increase may be half of a market-neutral pair trade.
Who reads this
| Retail "cloners" | High-conviction ideas to replicate ~45 days after quarter-end. |
| Corporate IR | Which funds bought or dumped the stock, before the next call. |
| Quant / algo traders | Cross-sectional factor inputs: flow, momentum, ownership. |
Four caveats before you trade on it
- 45-day lag — holdings are quarter-end; positions may already be closed.
- Long-only — 13Fs miss shorts, pair trades and cash.
- No non-US / fixed income — the picture is US equities plus options.
- Corporate actions — splits and spinoffs distort raw share deltas.
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