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 | |
|---|---|---|---|---|---|---|
2751
Chemours
CC
$2.3B
| $614K | ﹤0.01% |
+53,644
| New | +$604K |
|
2752
Banc of California
BANC
$3.11B
| $614K | ﹤0.01% |
43,669
-48,844
| -53% | -$665K |
|
2753
CALL
Newell Brands
NWL
$2.63B
| $613K | ﹤0.01% |
113,600
+57,200
| +101% | +$303K |
|
2754
iShares MSCI Canada ETF
EWC
$6.55B
| $613K | ﹤0.01% |
+13,264
| New | +$573K |
|
2755
CALL
NovoCure
NVCR
$2.02B
| $609K | ﹤0.01% |
34,200
+3,800
| +13% | +$66.2K |
|
2756
CALL
Constellium
CSTM
$3.95B
| $606K | ﹤0.01% |
45,600
+20,600
| +82% | +$231K |
|
2757
PUT
Core & Main
CNM
$8.64B
| $604K | ﹤0.01% |
10,000
-21,500
| -68% | -$1.15M |
|
|
GRNY
2758
FundStrat Granny Shots US Large Cap ETF
GRNY
$4.47B
| $603K | ﹤0.01% |
+26,600
| New | +$530K |
|
2759
Mobileye
MBLY
$7.57B
| $600K | ﹤0.01% |
+33,374
| New | +$510K |
|
|
GES
2760
PUT
DELISTED
Guess Inc
GES
| $600K | ﹤0.01% |
49,600
+7,400
| +18% | +$82.7K |
|
2761
CALL
Alight
ALIT
$394M
| $598K | ﹤0.01% |
5,285
+790
| +18% | +$84.6K |
|
|
NMAX
2762
CALL
Newsmax Inc
NMAX
$1.23B
| $596K | ﹤0.01% |
+39,400
| New | +$1.03M |
|
|
TPC
2763
CALL
Tutor Perini Cor
TPC
$4.98B
| $594K | ﹤0.01% |
12,700
+1,400
| +12% | +$44.6K |
|
2764
CALL
Helen of Troy
HELE
$699M
| $593K | ﹤0.01% |
20,900
+3,700
| +22% | +$114K |
|
2765
Birkenstock
BIRK
$7.54B
| $592K | ﹤0.01% |
12,032
-6,846
| -36% | -$352K |
|
2766
CALL
Rush Street Interactive
RSI
$2.85B
| $592K | ﹤0.01% |
+39,700
| New | +$493K |
|
2767
iShares MSCI India ETF
INDA
$6.58B
| $591K | ﹤0.01% |
+10,616
| New | +$567K |
|
2768
CALL
CarGurus
CARG
$3.38B
| $589K | ﹤0.01% |
+17,600
| New | +$530K |
|
2769
Viper Energy
VNOM
$14.8B
| $589K | ﹤0.01% |
+15,441
| New | +$625K |
|
2770
PUT
QuidelOrtho
QDEL
$1.03B
| $588K | ﹤0.01% |
20,400
+8,600
| +73% | +$254K |
|
2771
PUT
TC Energy
TRP
$65.8B
| $585K | ﹤0.01% |
+12,000
| New | +$589K |
|
2772
CALL
Huntsman Corp
HUN
$1.81B
| $584K | ﹤0.01% |
56,000
+24,500
| +78% | +$299K |
|
|
SKYT
2773
CALL
DELISTED
SkyWater Technology
SKYT
| $584K | ﹤0.01% |
59,300
+13,700
| +30% | +$111K |
|
2774
CALL
Mirion Technologies
MIR
$3.88B
| $583K | ﹤0.01% |
+27,100
| New | +$467K |
|
2775
PUT
Genius Sports
GENI
$2.2B
| $583K | ﹤0.01% |
56,100
+3,700
| +7% | +$37K |
|
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.