Gunderson Capital Management LLC
SEC Form 13F institutional filer · CIK 0001792397
13F-HR · 24 reported holdings · 2026-03-31
Reported long-US-equity value
$0.13B
Top-10 concentration
68.7%
Gunderson Capital Management LLC — $129M AUM allocation strategy
Gunderson Capital Management LLC files SEC Form 13F and reports $129M of long US equity value across 24 reported holdings for 2026-03-31.
Its largest sector bet is Information Technology 60.0%, followed by Industrials 19.0% and Energy 14.8%.
The top 10 holdings account for 69% 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.
Gunderson Capital Management LLC — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$129M
total across 24 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
69% of value
higher = narrower conviction; lower = spread / hedging
Biggest adds (shares)
+$PLTR +25.1K sh · +$2.4M+$ADI +7.17K sh · +$2.65M+$AMD +2.5K sh · +$63.3K
Biggest trims (shares)
−$MU −15.9K sh · −$3.63M−$AMZN −14.4K sh · −$3.38M−$AAPL −2.36K sh · −$756K
Exited to nil (held last quarter, gone now)
$GOOG ($12.3M last qtr)$LLY ($9.4M last qtr)$CEG ($7.84M last qtr)$WDC ($7.72M last qtr)$META ($7.69M 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)
- Semiconductors29.0%—
- Technology Hardware, Storage & Peripherals17.4%—
- Oil & Gas Equipment & Services7.6%—
- Application Software7.4%—
- Heavy Electrical Equipment7.0%—
- Construction & Engineering6.1%—
- Semiconductor Materials & Equipment6.1%—
- Aerospace & Defense5.7%—
- Other holdings13.5%—
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 | 63.6K | $11.1M | +1.03K | 8.6% |
| $HAL | Halliburton Company | 251K | $9.78M | — | 7.6% |
| $PLTR | Palantir Technologies Inc | 65.8K | $9.63M | +25.1K | 7.5% |
| $GEV | GE Vernova Inc | 10.4K | $9.12M | -68 | 7.1% |
| $AMD | Advanced Micro Devices Inc | 43.9K | $8.94M | +2.5K | 6.9% |
| $SNDK | Sandisk Corporation | 13.8K | $8.77M | — | 6.8% |
| $DELL | Dell Technologies Inc | 49.1K | $8.06M | — | 6.2% |
| $PWR | Quanta Services Inc | 14.5K | $7.97M | — | 6.2% |
| $AMAT | Applied Materials Inc | 23.1K | $7.89M | — | 6.1% |
| $GE | GE Aerospace | 26.3K | $7.47M | +1.7K | 5.8% |
…and 14 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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