IMC-Chicago, LLC
SEC Form 13F institutional filer · CIK 0001452861
13F-HR · 246 reported holdings · 2026-03-31
SEC-registered institutional investment manager.
Reported long-US-equity value
$3.28B
Top-10 concentration
52.1%
IMC-Chicago, LLC — $3.28B AUM allocation strategy
IMC-Chicago, LLC files SEC Form 13F and reports $3.28B of long US equity value across 246 reported holdings for 2026-03-31.
Its largest sector bet is Information Technology 24.1%, followed by Consumer Discretionary 17.6% and Communication Services 6.9%.
The top 10 holdings account for 52% 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.
IMC-Chicago, LLC — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$3.28B
total across 246 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
52% of value
higher = narrower conviction; lower = spread / hedging
Biggest adds (shares)
+$PYPL +761K sh · +$32.4M+$TSLA +569K sh · +$147M+$NKE +539K sh · +$27.6M
Biggest trims (shares)
−$IWM −1.58M sh · −$390M−$INTC −1.03M sh · −$37.4M−$SMCI −504K sh · −$19.5M
Exited to nil (held last quarter, gone now)
$QQQ ($431M last qtr)$NVDA ($74M last qtr)$CRWD ($53.6M last qtr)$NFLX ($44.7M last qtr)$BA ($33.4M 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)
- Automobile Manufacturers15.9%—
- Semiconductors13.6%—
- Interactive Media & Services6.9%—
- Application Software4.5%—
- Technology Hardware, Storage & Peripherals2.9%—
- Communications Equipment2.0%—
- Broadline Retail1.7%—
- Electrical Components & Equipment1.4%—
- Other holdings51.2%—
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
9 of 9 rows · sorted by Value ↓
| Ticker | Holding | Shares | Value | Δ QoQ | Weight |
|---|---|---|---|---|---|
| $TSLA | Tesla Inc | 1.4M | $521M | +569K | 15.9% |
| $MU | Micron Technology Inc | 731K | $247M | -62.2K | 7.5% |
| $META | Meta Platforms Inc | 226K | $129M | +187K | 3.9% |
| $ORCL | Oracle Corporation | 722K | $106M | — | 3.2% |
| $AVGO | Broadcom Inc | 327K | $101M | -203K | 3.1% |
| $GOOG | Alphabet Inc. Class C Capital Stock | 337K | $97M | +262K | 3.0% |
| $SNDK | Sandisk Corporation | 146K | $92.7M | +85.7K | 2.8% |
| $LITE | Lumentum Holdings Inc | 93.5K | $65.7M | — | 2.0% |
| $AMD | Advanced Micro Devices Inc | 305K | $62.1M | +199K | 1.9% |
…and 237 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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