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 | |
|---|---|---|---|---|---|---|
1151
PUT
QuantumScape Corp
QS
$3.73B
| $11.1M | ﹤0.01% |
1,063,500
+164,200
| +18% | +$2.26M |
|
1152
PUT
UiPath
PATH
$7.81B
| $11.1M | ﹤0.01% |
675,800
+113,100
| +20% | +$1.76M |
|
1153
DraftKings
DKNG
$12.2B
| $11M | ﹤0.01% |
320,375
+41,508
| +15% | +$1.37M |
|
1154
Microsoft
MSFT
$3.79T
| $11M | ﹤0.01% |
+22,768
| New | +$11.4M |
|
1155
EQT Corp
EQT
$33.2B
| $11M | ﹤0.01% |
205,132
+136,092
| +197% | +$7.65M |
|
1156
PUT
SoundHound AI
SOUN
$3.25B
| $11M | ﹤0.01% |
1,102,600
-586,100
| -35% | -$8.43M |
|
1157
Howmet Aerospace
HWM
$114B
| $11M | ﹤0.01% |
53,596
+29,414
| +122% | +$5.85M |
|
1158
CALL
CSX Corp
CSX
$93.3B
| $11M | ﹤0.01% |
302,400
-4,600
| -1% | -$165K |
|
1159
Dell
DELL
$304B
| $10.9M | ﹤0.01% |
+86,739
| New | +$12.2M |
|
1160
CALL
Tyson Foods
TSN
$20.3B
| $10.9M | ﹤0.01% |
186,000
+45,800
| +33% | +$2.52M |
|
1161
PUT
JB Hunt Transport Services
JBHT
$25B
| $10.9M | ﹤0.01% |
56,100
+35,100
| +167% | +$6.03M |
|
1162
PUT
MGM Resorts International
MGM
$11B
| $10.8M | ﹤0.01% |
297,200
-33,200
| -10% | -$1.13M |
|
1163
American International
AIG
$41B
| $10.8M | ﹤0.01% |
+126,644
| New | +$10.1M |
|
1164
CALL
Joby Aviation
JOBY
$8.76B
| $10.8M | ﹤0.01% |
819,800
-133,200
| -14% | -$2.04M |
|
1165
CALL
Jazz Pharmaceuticals
JAZZ
$16.7B
| $10.8M | ﹤0.01% |
63,500
+34,300
| +117% | +$5.26M |
|
1166
PUT
SolarEdge
SEDG
$1.96B
| $10.8M | ﹤0.01% |
373,300
-263,000
| -41% | -$9.17M |
|
1167
Citigroup
C
$227B
| $10.8M | ﹤0.01% |
92,211
-174,830
| -65% | -$18.2M |
|
1168
PUT
CleanSpark
CLSK
$3.09B
| $10.8M | ﹤0.01% |
1,062,800
-138,500
| -12% | -$2.08M |
|
1169
CALL
Pultegroup
PHM
$24.5B
| $10.7M | ﹤0.01% |
91,200
-17,400
| -16% | -$2.13M |
|
1170
PUT
2x Bitcoin ETF
BITX
$903M
| $10.7M | ﹤0.01% |
385,500
+274,900
| +249% | +$11.1M |
|
1171
CALL
Blue Owl Capital
OWL
$18.4B
| $10.7M | ﹤0.01% |
713,900
+483,500
| +210% | +$7.56M |
|
|
BLSH
1172
CALL
Bullish
BLSH
$3.67B
| $10.7M | ﹤0.01% |
+281,500
| New | +$13.7M |
|
1173
PUT
Ralph Lauren
RL
$24.1B
| $10.6M | ﹤0.01% |
30,100
-21,300
| -41% | -$7.26M |
|
1174
Direxion Daily Gold Miners Index Bull 2X ETF
NUGT
$1.19B
| $10.6M | ﹤0.01% |
57,735
-7,097
| -11% | -$1.13M |
|
1175
CVS Health
CVS
$122B
| $10.6M | ﹤0.01% |
133,611
+118,771
| +800% | +$9.36M |
|
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.