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 | |
|---|---|---|---|---|---|---|
2026
PUT
Blue Owl Capital
OWL
$19.5B
| $1.93M | ﹤0.01% |
100,700
+11,700
| +13% | +$216K |
|
2027
PUT
Magnite
MGNI
$3.51B
| $1.93M | ﹤0.01% |
80,200
-31,000
| -28% | -$457K |
|
2028
CALL
Cipher Digital
CIFR
$6.93B
| $1.93M | ﹤0.01% |
403,900
+197,400
| +96% | +$639K |
|
2029
CALL
Navitas Semiconductor
NVTS
$3.62B
| $1.93M | ﹤0.01% |
+294,400
| New | +$1.13M |
|
2030
Ocular Therapeutix
OCUL
$2.17B
| $1.93M | ﹤0.01% |
+207,765
| New | +$1.63M |
|
2031
Direxion Daily AAPL Bear 1X ETF
AAPD
$62.1M
| $1.93M | ﹤0.01% |
109,842
+91,971
| +515% | +$1.66M |
|
2032
PUT
Maplebear
CART
$11.3B
| $1.92M | ﹤0.01% |
42,500
-22,000
| -34% | -$957K |
|
2033
CALL
Northern Oil and Gas
NOG
$2.63B
| $1.92M | ﹤0.01% |
67,800
+18,700
| +38% | +$503K |
|
2034
iShares China Large-Cap ETF
FXI
$4.16B
| $1.92M | ﹤0.01% |
+52,231
| New | +$1.83M |
|
2035
Hecla Mining
HL
$12.5B
| $1.92M | ﹤0.01% |
320,520
+52,262
| +19% | +$288K |
|
2036
CALL
CBRE Group
CBRE
$43.7B
| $1.92M | ﹤0.01% |
13,700
-21,100
| -61% | -$2.67M |
|
2037
PUT
Entegris
ENTG
$24.8B
| $1.92M | ﹤0.01% |
23,800
+9,400
| +65% | +$714K |
|
2038
Edwards Lifesciences
EW
$53.1B
| $1.92M | ﹤0.01% |
+24,534
| New | +$1.83M |
|
2039
CALL
CenterPoint Energy
CNP
$26.7B
| $1.91M | ﹤0.01% |
52,100
+2,500
| +5% | +$92.7K |
|
2040
CALL
Fluence Energy
FLNC
$2.44B
| $1.91M | ﹤0.01% |
284,400
+97,300
| +52% | +$464K |
|
2041
PUT
Ormat Technologies
ORA
$7.03B
| $1.9M | ﹤0.01% |
+22,700
| New | +$1.7M |
|
2042
PUT
Owens Corning
OC
$12.3B
| $1.9M | ﹤0.01% |
+13,800
| New | +$1.91M |
|
2043
CALL
Uranium Energy
UEC
$5.67B
| $1.9M | ﹤0.01% |
278,900
+97,800
| +54% | +$548K |
|
2044
Coeur Mining
CDE
$19.9B
| $1.89M | ﹤0.01% |
213,675
-262,204
| -55% | -$1.91M |
|
2045
CALL
Core & Main
CNM
$8.58B
| $1.89M | ﹤0.01% |
31,300
+17,500
| +127% | +$936K |
|
2046
CALL
Annaly Capital Management
NLY
$17.7B
| $1.89M | ﹤0.01% |
100,300
-54,800
| -35% | -$1.04M |
|
2047
CALL
Tidewater
TDW
$4.6B
| $1.89M | ﹤0.01% |
40,900
-8,300
| -17% | -$336K |
|
2048
PUT
Ares Capital
ARCC
$14.4B
| $1.88M | ﹤0.01% |
85,700
+69,200
| +419% | +$1.47M |
|
2049
CALL
Listed Funds Trust Roundhill Magnificent Seven ETF
MAGS
$4.22B
| $1.88M | ﹤0.01% |
33,900
-5,600
| -14% | -$277K |
|
2050
General Mills
GIS
$20.8B
| $1.88M | ﹤0.01% |
+36,285
| New | +$2M |
|
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.