IMC Chicago Portfolio holdings
IMC-Chicago, a key arm of IMC Trading founded in 1989 by Rob Defares and René Schelvis in Amsterdam, is a proprietary trading firm and market maker headquartered in Chicago since opening its first overseas office there in 2000. Employing over 650 of IMC’s 1,600+ global workforce, it operates at the heart of North America’s financial hub, trading equities, options, futures, and other derivatives on major exchanges like the Chicago Mercantile Exchange (CME) and Chicago Board Options Exchange (CBOE). Known for its technology-driven approach, IMC-Chicago leverages advanced algorithms and low-latency systems to provide liquidity across more than 100 global venues, evolving from a trading outfit with strong tech to a tech company that trades. Under CEO Rob Defares, the firm emphasizes innovation, quantitative strategies, and a collaborative culture, making it a powerhouse in the U.S. derivatives market.
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
iShares Russell 2000 ETF
IWM
|
+$302M |
| 2 |
Invesco QQQ Trust
QQQ
|
+$170M |
| 3 |
Broadcom
AVGO
|
+$164M |
| 4 |
Tesla
TSLA
|
+$158M |
| 5 |
Palantir
PLTR
|
+$109M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
iShares Bitcoin Trust
IBIT
|
+$167M |
| 2 |
Applovin
APP
|
+$126M |
| 3 |
JD.com
JD
|
+$103M |
| 4 |
Amazon
AMZN
|
+$97.8M |
| 5 |
Vanguard S&P 500 ETF
VOO
|
+$90.4M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 0.56% |
| 2 | Consumer Discretionary | 0.3% |
| 3 | Communication Services | 0.16% |
| 4 | Financials | 0.13% |
| 5 | Industrials | 0.11% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
2176
GlobalFoundries
GFS
$29.1B
| $2.77M | ﹤0.01% |
79,191
-36,377
| -31% | -$1.29M |
|
2177
PUT
F5
FFIV
$23.8B
| $2.76M | ﹤0.01% |
+10,800
| New | +$2.91M |
|
2178
PUT
Becton Dickinson
BDX
$48.8B
| $2.76M | ﹤0.01% |
14,200
-143,500
| -91% | -$27.3M |
|
2179
CALL
Urban Outfitters
URBN
$6.69B
| $2.75M | ﹤0.01% |
36,500
-19,200
| -34% | -$1.36M |
|
2180
CALL
iQIYI
IQ
$1.32B
| $2.74M | ﹤0.01% |
1,426,900
-698,400
| -33% | -$1.49M |
|
2181
CALL
AMC Entertainment Holdings
AMC
$2.2B
| $2.74M | ﹤0.01% |
1,753,900
-107,900
| -6% | -$257K |
|
2182
CALL
TAL Education Group
TAL
$6.64B
| $2.73M | ﹤0.01% |
250,500
+79,600
| +47% | +$904K |
|
2183
CALL
Upwork
UPWK
$1.04B
| $2.72M | ﹤0.01% |
137,100
-59,600
| -30% | -$1.09M |
|
2184
CALL
Lattice Semiconductor
LSCC
$18.6B
| $2.72M | ﹤0.01% |
36,900
-25,900
| -41% | -$1.84M |
|
2185
PUT
Dover
DOV
$28B
| $2.71M | ﹤0.01% |
13,900
-6,000
| -30% | -$1.09M |
|
|
XIFR
2186
CALL
XPLR Infrastructure LP
XIFR
$1.08B
| $2.68M | ﹤0.01% |
268,100
+40,900
| +18% | +$396K |
|
2187
CALL
Ball Corp
BALL
$16.4B
| $2.67M | ﹤0.01% |
50,500
-22,800
| -31% | -$1.12M |
|
2188
Cboe Global Markets
CBOE
$30B
| $2.67M | ﹤0.01% |
10,638
-8,817
| -45% | -$2.19M |
|
2189
Duke Energy
DUK
$96.1B
| $2.66M | ﹤0.01% |
+22,712
| New | +$2.77M |
|
|
FIGR
2190
PUT
Figure Technology Solutions
FIGR
$6.32B
| $2.66M | ﹤0.01% |
+65,100
| New | +$2.6M |
|
2191
CALL
Pool Corp
POOL
$7.17B
| $2.65M | ﹤0.01% |
+11,600
| New | +$3.02M |
|
2192
CALL
Badger Meter
BMI
$3.85B
| $2.65M | ﹤0.01% |
15,200
+3,100
| +26% | +$558K |
|
2193
CALL
Levi Strauss
LEVI
$8.6B
| $2.65M | ﹤0.01% |
127,800
+5,300
| +4% | +$114K |
|
2194
CALL
Gartner
IT
$11.4B
| $2.65M | ﹤0.01% |
10,500
-1,300
| -11% | -$313K |
|
2195
CALL
MarketAxess Holdings
MKTX
$5.72B
| $2.65M | ﹤0.01% |
+14,600
| New | +$2.49M |
|
2196
PUT
Ascendis Pharma A/S
ASND
$16.6B
| $2.64M | ﹤0.01% |
+12,400
| New | +$2.56M |
|
|
FETH
2197
CALL
Fidelity Ethereum Fund
FETH
$1.02B
| $2.64M | ﹤0.01% |
+89,100
| New | +$3.08M |
|
|
TE
2198
CALL
T1 Energy
TE
$1.48B
| $2.64M | ﹤0.01% |
+394,600
| New | +$1.74M |
|
2199
CALL
Celanese
CE
$4.81B
| $2.63M | ﹤0.01% |
62,300
-4,700
| -7% | -$192K |
|
2200
CALL
Rush Street Interactive
RSI
$2.89B
| $2.62M | ﹤0.01% |
135,100
+67,200
| +99% | +$1.24M |
|
Similar funds
IMC Chicago's Q4 2025 Portfolio in Review
As of Q4 2025, IMC Chicago held 4,538 positions worth $275B, up 0.14% from $275B the previous quarter. Its ten largest holdings account for 36% of the portfolio.
IMC Chicago's Q4 2025 filing shows 985 new, 1,665 increased, 1,358 reduced and 525 closed positions. Its largest new stake was Palantir: 601,853 shares worth $107M. The largest sale was iShares Bitcoin Trust, an estimated $167M.
By sector, the portfolio is most concentrated in Technology at 0.56% of assets, up from 0.33% a quarter earlier, followed by Consumer Discretionary and Communication Services.
- IMC Chicago's largest Q4 2025 buy was Palantir: 601,853 shares worth $107M.
- IMC Chicago added most to iShares Russell 2000 ETF in Q4 2025, an estimated $302M increase.
- IMC Chicago's biggest Q4 2025 reduction was iShares Bitcoin Trust, cutting an estimated $167M.
- IMC Chicago fully exited Amazon in Q4 2025, selling an estimated $97.8M.
- IMC Chicago's ten largest holdings make up 36% of its $275B portfolio in Q4 2025.
- IMC Chicago opened 985 new positions and closed 525 in Q4 2025.
- IMC Chicago's portfolio value rose 0.14% quarter-over-quarter to $275B.
Based on IMC Chicago's 13F filing for Q4 2025, filed 29 Jan 2026.