Oak Grove Capital LLC
SEC Form 13F institutional filer · CIK 0001661762
13F-HR · 50 reported holdings · 2026-03-31
Reported long-US-equity value
$0.46B
Top-10 concentration
70.5%
Oak Grove Capital LLC — $462M AUM allocation strategy
Oak Grove Capital LLC files SEC Form 13F and reports $462M of long US equity value across 50 reported holdings for 2026-03-31.
Its largest sector bet is Information Technology 52.6%, followed by Communication Services 10.1% and Utilities 9.9%.
The top 10 holdings account for 70% 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.
Oak Grove Capital LLC — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$462M
total across 50 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
70% of value
higher = narrower conviction; lower = spread / hedging
Biggest adds (shares)
+$COHR +61.9K sh · +$18.6M+$NVDA +44.6K sh · +$2.52M+$VST +22.6K sh · +$2.92M
Biggest trims (shares)
−$VRT −10.1K sh · +$4.52M−$KMI −5.56K sh · +$1.92M−$AMZN −2.65K sh · −$885K
Exited to nil (held last quarter, gone now)
$APP ($606K last qtr)$COF ($247K last qtr)$AVGO ($242K last qtr)$PEP ($215K last qtr)$MCK ($205K last qtr)
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)
- Semiconductors35.7%—
- Electronic Components6.9%—
- Pharmaceuticals6.2%—
- Electric Utilities5.6%—
- Interactive Media & Services5.3%—
- Movies & Entertainment4.8%—
- Multi-Utilities4.4%—
- Consumer Staples Merchandise Retail4.2%—
- Other holdings26.9%—
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 |
|---|---|---|---|---|---|
| $NVDA | NVIDIA Corporation | 480K | $83.6M | +44.6K | 18.1% |
| $MU | Micron Technology Inc | 223K | $75.2M | +4.26K | 16.3% |
| $COHR | Coherent Corp | 134K | $32M | +61.9K | 6.9% |
| $GOOG | Alphabet Inc. Class C Capital Stock | 85.4K | $24.6M | +2.39K | 5.3% |
| $NFLX | Netflix Inc | 232K | $22.3M | +14.2K | 4.8% |
| $COST | Costco Wholesale Corporation | 19.6K | $19.5M | +175 | 4.2% |
| $LLY | Eli Lilly and Company | 20.4K | $18.8M | +71 | 4.1% |
| $VRT | Vertiv Holdings LLC | 69.6K | $17.4M | -10.1K | 3.8% |
| $CRWD | CrowdStrike Holdings Inc | 42.2K | $16.5M | +10.9K | 3.6% |
| $DUK | Duke Energy Corporation | 120K | $15.7M | +400 | 3.4% |
…and 40 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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