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 | |
|---|---|---|---|---|---|---|
1926
PUT
Murphy Oil
MUR
$5.11B
| $3.87M | ﹤0.01% |
123,700
-47,100
| -28% | -$1.42M |
|
|
WCC
1927
PUT
WESCO International
WCC
$18.2B
| $3.87M | ﹤0.01% |
15,800
+5,300
| +50% | +$1.3M |
|
1928
PUT
Ametek
AME
$58.7B
| $3.86M | ﹤0.01% |
+18,800
| New | +$3.66M |
|
|
DQ
1929
PUT
Daqo New Energy
DQ
$983M
| $3.85M | ﹤0.01% |
130,600
-19,800
| -13% | -$604K |
|
1930
CALL
Academy Sports + Outdoors
ASO
$3.07B
| $3.85M | ﹤0.01% |
77,100
+3,000
| +4% | +$149K |
|
1931
PUT
FMC
FMC
$1.31B
| $3.83M | ﹤0.01% |
276,100
+140,600
| +104% | +$2.68M |
|
1932
CALL
Doximity
DOCS
$4.71B
| $3.83M | ﹤0.01% |
86,400
+29,600
| +52% | +$1.66M |
|
1933
TeraWulf
WULF
$8.42B
| $3.82M | ﹤0.01% |
+332,724
| New | +$4.46M |
|
|
BULL
1934
PUT
Webull Corp
BULL
$3.89B
| $3.82M | ﹤0.01% |
+491,800
| New | +$4.95M |
|
1935
Apollo Global Management
APO
$80.7B
| $3.82M | ﹤0.01% |
26,372
+8,625
| +49% | +$1.15M |
|
1936
PUT
EPAM Systems
EPAM
$5.14B
| $3.81M | ﹤0.01% |
18,600
-10,800
| -37% | -$1.93M |
|
1937
CALL
Globus Medical
GMED
$11.4B
| $3.81M | ﹤0.01% |
43,600
+18,000
| +70% | +$1.37M |
|
1938
PUT
iShares MSCI USA Momentum Factor ETF
MTUM
$25.4B
| $3.8M | ﹤0.01% |
15,200
+3,000
| +25% | +$753K |
|
1939
CALL
BioMarin Pharmaceuticals
BMRN
$13.5B
| $3.8M | ﹤0.01% |
64,000
+34,700
| +118% | +$1.89M |
|
1940
CALL
Harley-Davidson
HOG
$2.78B
| $3.8M | ﹤0.01% |
185,600
+40,200
| +28% | +$988K |
|
|
1941
CALL
Murphy Oil
MUR
$5.11B
| $3.8M | ﹤0.01% |
121,600
+40,900
| +51% | +$1.23M |
|
1942
PennyMac Financial
PFSI
$3.94B
| $3.79M | ﹤0.01% |
28,731
-24,508
| -46% | -$3.12M |
|
1943
Vanguard Real Estate ETF
VNQ
$38.4B
| $3.79M | ﹤0.01% |
42,785
+26,843
| +168% | +$2.41M |
|
1944
CALL
Commault Systems
CVLT
$5.86B
| $3.79M | ﹤0.01% |
+30,200
| New | +$4.25M |
|
1945
PUT
Hormel Foods
HRL
$13.5B
| $3.77M | ﹤0.01% |
159,200
-11,000
| -6% | -$257K |
|
1946
CALL
Bitdeer Technologies
BTDR
$2.1B
| $3.77M | ﹤0.01% |
336,400
+222,400
| +195% | +$3.58M |
|
|
FLY
1947
PUT
Firefly Aerospace
FLY
$4.24B
| $3.72M | ﹤0.01% |
+166,100
| New | +$3.84M |
|
1948
PUT
Huntington Ingalls Industries
HII
$13B
| $3.71M | ﹤0.01% |
10,900
-23,600
| -68% | -$7.32M |
|
|
CCCX
1949
PUT
DELISTED
Churchill Capital Corp X
CCCX
| $3.7M | ﹤0.01% |
+237,300
| New | +$3.99M |
|
1950
PUT
PG&E
PCG
$37.7B
| $3.67M | ﹤0.01% |
228,400
-588,200
| -72% | -$9.39M |
|
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.