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 | |
|---|---|---|---|---|---|---|
2901
CALL
Quantum-Si Incorporated
QSI
$172M
| $467K | ﹤0.01% |
238,400
+34,000
| +17% | +$50.3K |
|
|
AWTM
2902
PUT
DELISTED
AWTM Ultra-Short Duration Enhanced Income ETF
AWTM
| $467K | ﹤0.01% |
+20,600
| New | +$467K |
|
2903
ProShares Short QQQ
PSQ
$635M
| $466K | ﹤0.01% |
13,841
-130,231
| -90% | -$4.93M |
|
2904
PUT
Beazer Homes USA
BZH
$874M
| $463K | ﹤0.01% |
20,700
+7,300
| +54% | +$152K |
|
2905
PUT
AllianceBernstein
AB
$3.41B
| $461K | ﹤0.01% |
+11,300
| New | +$443K |
|
2906
PUT
Schrodinger
SDGR
$1.38B
| $461K | ﹤0.01% |
22,900
-6,000
| -21% | -$137K |
|
|
VNET
2907
VNET Group
VNET
$2.12B
| $460K | ﹤0.01% |
66,718
+40,726
| +157% | +$244K |
|
2908
PUT
Teekay Tankers
TNK
$2.9B
| $459K | ﹤0.01% |
11,000
-9,400
| -46% | -$402K |
|
2909
PUT
Carbon Collective Climate Solutions US Equity ETF
CCSO
$49.6M
| $459K | ﹤0.01% |
+53,600
| New | +$1.1M |
|
2910
CALL
Nano X Imaging
NNOX
$73.2M
| $458K | ﹤0.01% |
88,500
-7,700
| -8% | -$39.2K |
|
2911
CALL
Evolv Technologies
EVLV
$1.04B
| $457K | ﹤0.01% |
+73,300
| New | +$339K |
|
2912
CALL
Microvast
MVST
$341M
| $456K | ﹤0.01% |
+125,600
| New | +$367K |
|
2913
CALL
Banc of California
BANC
$3.11B
| $455K | ﹤0.01% |
+32,400
| New | +$441K |
|
2914
CALL
FormFactor
FORM
$10.3B
| $454K | ﹤0.01% |
13,200
-2,000
| -13% | -$60.7K |
|
2915
PUT
The Honest Company
HNST
$540M
| $453K | ﹤0.01% |
88,900
+22,200
| +33% | +$106K |
|
2916
CALL
Finance of America Companies
FOA
$206M
| $452K | ﹤0.01% |
19,400
-7,200
| -27% | -$151K |
|
2917
CALL
New Fortress Energy
NFE
$93M
| $452K | ﹤0.01% |
136,200
-124,100
| -48% | -$539K |
|
2918
CALL
Warner Music
WMG
$13.3B
| $452K | ﹤0.01% |
16,600
-2,900
| -15% | -$80.9K |
|
2919
Helen of Troy
HELE
$699M
| $450K | ﹤0.01% |
+15,841
| New | +$486K |
|
2920
GraniteShares 2x Long AMZN Daily ETF
AMZZ
$42.1M
| $449K | ﹤0.01% |
14,515
-13,449
| -48% | -$347K |
|
2921
PUT
TechnipFMC
FTI
$30.1B
| $448K | ﹤0.01% |
13,000
-300
| -2% | -$9.05K |
|
2922
SLM Corp
SLM
$5.22B
| $447K | ﹤0.01% |
+13,627
| New | +$417K |
|
2923
Ramaco Resources Class A
METC
$667M
| $447K | ﹤0.01% |
34,004
+5,390
| +19% | +$51.5K |
|
|
KLG
2924
PUT
DELISTED
WK Kellogg Co
KLG
| $446K | ﹤0.01% |
28,000
+14,800
| +112% | +$257K |
|
2925
Tradr TSLA Bear Daily ETF
TSLQ
$99.9M
| $445K | ﹤0.01% |
8,132
+1,152
| +17% | +$89.8K |
|
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.