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 | |
|---|---|---|---|---|---|---|
3001
B&G Foods
BGS
$293M
| $385K | ﹤0.01% |
90,971
+13,470
| +17% | +$70.4K |
|
3002
PUT
Nabors Industries
NBR
$1.31B
| $381K | ﹤0.01% |
13,600
-23,200
| -63% | -$690K |
|
3003
PUT
Shoals Technologies Group
SHLS
$1.44B
| $381K | ﹤0.01% |
89,600
+1,700
| +2% | +$7.39K |
|
3004
CALL
ZTO Express
ZTO
$17.5B
| $380K | ﹤0.01% |
21,400
-6,700
| -24% | -$121K |
|
3005
XP
XP
$8B
| $379K | ﹤0.01% |
+18,787
| New | +$325K |
|
3006
Full Truck Alliance
YMM
$9.56B
| $378K | ﹤0.01% |
+31,978
| New | +$372K |
|
3007
CALL
Opendoor
OPEN
$3.36B
| $377K | ﹤0.01% |
730,773
+278,483
| +62% | +$201K |
|
|
CRON
3008
CALL
Cronos Group
CRON
$1.15B
| $374K | ﹤0.01% |
195,900
-21,600
| -10% | -$40.9K |
|
|
3009
PUT
Opendoor
OPEN
$3.36B
| $372K | ﹤0.01% |
722,093
+208,010
| +40% | +$150K |
|
3010
KraneShares Bosera MSCI China A 50 Connect Index ETF
KBA
$148M
| $372K | ﹤0.01% |
+15,335
| New | +$360K |
|
|
VRE
3011
PUT
DELISTED
Veris Residential
VRE
| $372K | ﹤0.01% |
+25,000
| New | +$385K |
|
|
SRG
3012
CALL
Seritage Growth Properties
SRG
$135M
| $372K | ﹤0.01% |
120,800
+49,800
| +70% | +$143K |
|
|
AMTM
3013
Amentum Holdings
AMTM
$5.42B
| $371K | ﹤0.01% |
+15,710
| New | +$328K |
|
3014
RUM Group Inc
RUM
$1.97B
| $371K | ﹤0.01% |
+41,291
| New | +$353K |
|
3015
CALL
Kulicke & Soffa
KLIC
$4.98B
| $370K | ﹤0.01% |
+10,700
| New | +$348K |
|
3016
New Fortress Energy
NFE
$93M
| $370K | ﹤0.01% |
111,448
+62,891
| +130% | +$273K |
|
3017
CALL
MidCap Financial Investment
MFIC
$796M
| $370K | ﹤0.01% |
29,300
+7,100
| +32% | +$87.1K |
|
3018
CALL
ASP Isotopes
ASPI
$545M
| $369K | ﹤0.01% |
+50,100
| New | +$336K |
|
3019
CALL
abrdn Physical Silver Shares ETF
SIVR
$4.57B
| $368K | ﹤0.01% |
10,700
-1,900
| -15% | -$60.9K |
|
3020
CALL
Corsair Gaming
CRSR
$1.4B
| $368K | ﹤0.01% |
39,000
-10,700
| -22% | -$86.3K |
|
3021
PUT
Photronics
PLAB
$1.96B
| $367K | ﹤0.01% |
+19,500
| New | +$365K |
|
|
VNET
3022
PUT
VNET Group
VNET
$2.1B
| $367K | ﹤0.01% |
53,200
-2,800
| -5% | -$16.8K |
|
3023
CALL
Genworth Financial
GNW
$3.77B
| $366K | ﹤0.01% |
47,100
+4,100
| +10% | +$28.6K |
|
3024
PUT
NOV
NOV
$7.43B
| $364K | ﹤0.01% |
29,300
-61,800
| -68% | -$778K |
|
3025
PUT
DXC Technology
DXC
$1.69B
| $364K | ﹤0.01% |
+23,800
| New | +$366K |
|
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.