PEAK6 LLC
SEC Form 13F institutional filer · CIK 0001389958
13F-HR · 276 reported holdings · 2026-03-31
SEC-registered institutional investment manager.
Reported long-US-equity value
$1.29B
Top-10 concentration
32.5%
PEAK6 LLC — $1.29B AUM allocation strategy
PEAK6 LLC files SEC Form 13F and reports $1.29B of long US equity value across 276 reported holdings for 2026-03-31.
Its largest sector bet is Information Technology 24.8%, followed by Financials 6.7% and Consumer Discretionary 5.0%.
The top 10 holdings account for 33% of reported value — a broadly spread portfolio. 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.
PEAK6 LLC — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$1.29B
total across 276 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
33% of value
higher = narrower conviction; lower = spread / hedging
Biggest adds (shares)
+$KMI +244K sh · +$7.76M+$SPGI +202K sh · +$5.35M+$PLTR +171K sh · +$9.86M
Biggest trims (shares)
−$LUV −769K sh · −$65.2M−$SMCI −581K sh · −$49.4M−$UBER −255K sh · −$47.4M
Exited to nil (held last quarter, gone now)
$GOOG ($277M last qtr)$IBKR ($76.2M last qtr)$WMT ($49M last qtr)$WFC ($33.3M last qtr)$AMZN ($23.8M 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)
- Semiconductors13.1%—
- Application Software6.7%—
- Financial Exchanges & Data4.0%—
- Interactive Media & Services3.9%—
- Automobile Manufacturers3.5%—
- Integrated Oil & Gas3.0%—
- Investment Banking & Brokerage2.8%—
- Systems Software2.4%—
- Other holdings60.7%—
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 |
|---|---|---|---|---|---|
| $MU | Micron Technology Inc | 183K | $61.7M | -127K | 4.8% |
| $META | Meta Platforms Inc | 88.4K | $50.6M | +88.4K | 3.9% |
| $NVDA | NVIDIA Corporation | 290K | $50.5M | — | 3.9% |
| $TSLA | Tesla Inc | 120K | $44.7M | +92.4K | 3.5% |
| $CVX | Chevron Corporation | 186K | $38.4M | — | 3.0% |
| $INTC | Intel Corporation | 1.36M | $36.2M | — | 2.8% |
| $PLTR | Palantir Technologies Inc | 244K | $35.7M | +171K | 2.8% |
| $GS | Goldman Sachs Group Inc | 41.6K | $35.2M | +25.7K | 2.7% |
| $ORCL | Oracle Corporation | 251K | $34.8M | -15.2K | 2.7% |
| $CRWD | CrowdStrike Holdings Inc | 79.4K | $31M | +79.4K | 2.4% |
…and 266 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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