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 Bitcoin Trust
IBIT
|
+$232M |
| 2 |
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$168M |
| 3 |
Apple
AAPL
|
+$149M |
| 4 |
State Street Financial Select Sector SPDR ETF
XLF
|
+$136M |
| 5 |
UnitedHealth
UNH
|
+$110M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Invesco QQQ Trust
QQQ
|
+$153M |
| 2 |
iShares Russell 2000 ETF
IWM
|
+$127M |
| 3 |
Advanced Micro Devices
AMD
|
+$97.1M |
| 4 |
TSMC
TSM
|
+$65.3M |
| 5 |
SPYM
State Street SPDR Portfolio S&P 500 ETF
SPYM
|
+$57.6M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 0.32% |
| 2 | Consumer Discretionary | 0.25% |
| 3 | Healthcare | 0.13% |
| 4 | Communication Services | 0.1% |
| 5 | Financials | 0.1% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
1676
CALL
Pool Corp
POOL
$7.21B
| $3.26M | ﹤0.01% |
11,200
-500
| -4% | -$151K |
|
1677
CALL
WillScot Mobile Mini Holdings
WSC
$4.37B
| $3.26M | ﹤0.01% |
119,000
-54,200
| -31% | -$1.44M |
|
1678
PUT
Saia
SAIA
$10.2B
| $3.26M | ﹤0.01% |
+11,900
| New | +$3.39M |
|
1679
DaVita
DVA
$11.6B
| $3.26M | ﹤0.01% |
22,883
+4,592
| +25% | +$651K |
|
1680
Sunrun
RUN
$2.44B
| $3.26M | ﹤0.01% |
398,008
+206,067
| +107% | +$1.62M |
|
1681
PUT
Telephone and Data Systems
TDS
$4.03B
| $3.25M | ﹤0.01% |
91,400
+38,700
| +73% | +$1.36M |
|
1682
PUT
Conagra Brands
CAG
$7.46B
| $3.25M | ﹤0.01% |
158,600
+76,300
| +93% | +$1.79M |
|
1683
PUT
Rocket Companies
RKT
$42.2B
| $3.24M | ﹤0.01% |
228,700
+129,200
| +130% | +$1.68M |
|
1684
iShares MSCI Brazil ETF
EWZ
$8.54B
| $3.24M | ﹤0.01% |
+112,348
| New | +$3.03M |
|
1685
CALL
Rapid7
RPD
$872M
| $3.24M | ﹤0.01% |
140,100
+110,700
| +377% | +$2.62M |
|
1686
PUT
Zimmer Biomet
ZBH
$19.2B
| $3.24M | ﹤0.01% |
+35,500
| New | +$3.43M |
|
1687
CALL
Regions Financial
RF
$27.1B
| $3.24M | ﹤0.01% |
137,600
+5,300
| +4% | +$112K |
|
1688
PUT
Xcel Energy
XEL
$49.4B
| $3.23M | ﹤0.01% |
47,500
+21,000
| +79% | +$1.46M |
|
1689
Antero Resources
AR
$11.4B
| $3.23M | ﹤0.01% |
+80,241
| New | +$3.04M |
|
1690
CALL
abrdn Physical Palladium Shares ETF
PALL
$651M
| $3.23M | ﹤0.01% |
+160,500
| New | +$2.9M |
|
1691
CALL
Natera
NTRA
$44.3B
| $3.21M | ﹤0.01% |
19,000
-6,800
| -26% | -$1.06M |
|
1692
PUT
SiriusXM
SIRI
$9.55B
| $3.21M | ﹤0.01% |
139,700
+10,100
| +8% | +$217K |
|
1693
Halliburton
HAL
$28.4B
| $3.21M | ﹤0.01% |
+157,443
| New | +$3.3M |
|
1694
Lamb Weston
LW
$7.37B
| $3.21M | ﹤0.01% |
61,870
+28,318
| +84% | +$1.52M |
|
1695
PUT
VeriSign
VRSN
$25.7B
| $3.21M | ﹤0.01% |
+11,100
| New | +$3.01M |
|
1696
PUT
MPLX
MPLX
$59.9B
| $3.2M | ﹤0.01% |
62,200
-35,300
| -36% | -$1.79M |
|
1697
CALL
M&T Bank
MTB
$36.8B
| $3.2M | ﹤0.01% |
16,500
-1,200
| -7% | -$212K |
|
1698
Hertz
HTZ
$823M
| $3.2M | ﹤0.01% |
468,174
+351,719
| +302% | +$2.2M |
|
1699
PUT
American Superconductor
AMSC
$1.55B
| $3.19M | ﹤0.01% |
87,000
+27,100
| +45% | +$666K |
|
1700
PUT
Intuitive Machines
LUNR
$3.09B
| $3.19M | ﹤0.01% |
293,200
-153,700
| -34% | -$1.5M |
|
Similar funds
IMC Chicago's Q2 2025 Portfolio in Review
As of Q2 2025, IMC Chicago held 3,685 positions worth $225B, up 27% from $177B the previous quarter. Its ten largest holdings account for 42% of the portfolio.
IMC Chicago deployed $13.1B of net new capital in Q2 2025, opening 615 new positions and adding to 1,602 existing holdings. Its largest new stake was iShares Bitcoin Trust: 4,132,010 shares worth $253M.
By sector, the portfolio is most concentrated in Technology at 0.32% of assets, up from 0.28% a quarter earlier, followed by Consumer Discretionary and Healthcare.
On the sell side, the largest reduction was Invesco QQQ Trust, an estimated $153M trimmed.
- IMC Chicago's largest Q2 2025 buy was iShares Bitcoin Trust: 4,132,010 shares worth $253M.
- IMC Chicago added most to Sprott Physical Gold in Q2 2025, an estimated $77.8M increase.
- IMC Chicago's biggest Q2 2025 reduction was Invesco QQQ Trust, cutting an estimated $153M.
- IMC Chicago fully exited Advanced Micro Devices in Q2 2025, selling an estimated $97.1M.
- IMC Chicago's ten largest holdings make up 42% of its $225B portfolio in Q2 2025.
- IMC Chicago opened 615 new positions and closed 423 in Q2 2025.
- IMC Chicago's portfolio value rose 27% quarter-over-quarter to $225B.
Based on IMC Chicago's 13F filing for Q2 2025, filed 22 Jul 2025.