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 | |
|---|---|---|---|---|---|---|
2151
Sempra
SRE
$56.5B
| $1.63M | ﹤0.01% |
21,577
-5,122
| -19% | -$380K |
|
2152
PUT
Celanese
CE
$4.75B
| $1.63M | ﹤0.01% |
29,500
+3,100
| +12% | +$154K |
|
|
CVSA
2153
CALL
Covista Inc
CVSA
$4.36B
| $1.63M | ﹤0.01% |
12,800
+1,400
| +12% | +$166K |
|
2154
State Street SPDR S&P Telecom ETF
XTL
$555M
| $1.63M | ﹤0.01% |
13,863
-14,388
| -51% | -$1.46M |
|
2155
CALL
Altimmune
ALT
$560M
| $1.62M | ﹤0.01% |
419,600
+172,600
| +70% | +$934K |
|
2156
Sprott Physical Gold and Silver Trust
CEF
$8.17B
| $1.62M | ﹤0.01% |
+53,929
| New | +$1.58M |
|
2157
PUT
Hyatt Hotels
H
$16.8B
| $1.62M | ﹤0.01% |
+11,600
| New | +$1.45M |
|
2158
Herbalife
HLF
$1.23B
| $1.62M | ﹤0.01% |
187,811
+14,466
| +8% | +$107K |
|
2159
CALL
MakeMyTrip
MMYT
$5.67B
| $1.62M | ﹤0.01% |
16,500
-5,700
| -26% | -$575K |
|
2160
GigaCloud Technology
GCT
$1.9B
| $1.62M | ﹤0.01% |
81,682
+14,795
| +22% | +$237K |
|
2161
PUT
Energy Fuels
UUUU
$3.64B
| $1.61M | ﹤0.01% |
280,700
-84,200
| -23% | -$404K |
|
2162
PUT
Mid-America Apartment Communities
MAA
$15.4B
| $1.61M | ﹤0.01% |
+10,900
| New | +$1.7M |
|
2163
PUT
NexGen Energy
NXE
$6.97B
| $1.61M | ﹤0.01% |
232,400
-50,000
| -18% | -$282K |
|
2164
CALL
Church & Dwight Co
CHD
$24B
| $1.61M | ﹤0.01% |
+16,700
| New | +$1.65M |
|
2165
CALL
Allegro MicroSystems
ALGM
$8.23B
| $1.6M | ﹤0.01% |
46,800
+9,100
| +24% | +$227K |
|
|
2166
NexGen Energy
NXE
$6.97B
| $1.6M | ﹤0.01% |
230,357
-69,062
| -23% | -$390K |
|
2167
PUT
Banc of California
BANC
$3.1B
| $1.6M | ﹤0.01% |
113,600
+62,000
| +120% | +$845K |
|
2168
FTAI Aviation
FTAI
$23.3B
| $1.6M | ﹤0.01% |
+13,874
| New | +$1.55M |
|
|
PONY
2169
CALL
Pony AI Inc
PONY
$3.62B
| $1.6M | ﹤0.01% |
+120,900
| New | +$1.46M |
|
2170
AES
AES
$10.5B
| $1.59M | ﹤0.01% |
+151,383
| New | +$1.62M |
|
2171
ZIM Integrated Shipping Services
ZIM
$3.23B
| $1.59M | ﹤0.01% |
+98,928
| New | +$1.56M |
|
2172
British American Tobacco
BTI
$124B
| $1.59M | ﹤0.01% |
+33,537
| New | +$1.49M |
|
|
GTM
2173
CALL
ZoomInfo Technologies
GTM
$1.25B
| $1.59M | ﹤0.01% |
156,700
-105,800
| -40% | -$979K |
|
2174
CALL
Ventas
VTR
$45.7B
| $1.59M | ﹤0.01% |
25,100
-22,500
| -47% | -$1.47M |
|
2175
CALL
Rithm Capital
RITM
$5.79B
| $1.58M | ﹤0.01% |
140,100
+55,700
| +66% | +$614K |
|
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.