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 | |
|---|---|---|---|---|---|---|
1101
CALL
Tyson Foods
TSN
$19.8B
| $8.45M | ﹤0.01% |
151,000
+24,100
| +19% | +$1.39M |
|
1102
PUT
State Street SPDR Portfolio Europe ETF
SPEU
$743M
| $8.45M | ﹤0.01% |
141,400
-299,400
| -68% | -$13.8M |
|
1103
Silicon Laboratories
SLAB
$7.28B
| $8.4M | ﹤0.01% |
+56,985
| New | +$6.74M |
|
1104
CALL
Schwab US Broad Market ETF
SCHB
$45.2B
| $8.36M | ﹤0.01% |
313,700
+87,200
| +38% | +$1.92M |
|
1105
PUT
Iron Mountain
IRM
$37.7B
| $8.34M | ﹤0.01% |
81,300
+5,400
| +7% | +$509K |
|
1106
PUT
Air Products & Chemicals
APD
$68B
| $8.32M | ﹤0.01% |
29,500
+1,100
| +4% | +$301K |
|
1107
Progressive
PGR
$121B
| $8.31M | ﹤0.01% |
+31,144
| New | +$8.54M |
|
1108
Target
TGT
$70.6B
| $8.29M | ﹤0.01% |
84,035
+68,144
| +429% | +$6.54M |
|
1109
CALL
SL Green Realty
SLG
$4.08B
| $8.29M | ﹤0.01% |
133,900
+22,400
| +20% | +$1.28M |
|
1110
CALL
Yum China
YUMC
$16.2B
| $8.28M | ﹤0.01% |
185,100
-16,700
| -8% | -$747K |
|
|
PPLC
1111
CALL
DELISTED
PortfolioPlus S&P 500 ETF
PPLC
| $8.26M | ﹤0.01% |
214,800
-191,300
| -47% | -$7.35M |
|
1112
CALL
Applied Optoelectronics
AAOI
$11B
| $8.24M | ﹤0.01% |
320,700
+201,100
| +168% | +$3.25M |
|
1113
PUT
BILL Holdings
BILL
$5.11B
| $8.22M | ﹤0.01% |
177,700
+38,800
| +28% | +$1.72M |
|
1114
PUT
APA Corp
APA
$14B
| $8.19M | ﹤0.01% |
448,000
+156,400
| +54% | +$2.71M |
|
1115
PUT
Monster Beverage
MNST
$91.4B
| $8.19M | ﹤0.01% |
261,600
+53,200
| +26% | +$1.63M |
|
|
NNE
1116
CALL
Nano Nuclear Energy
NNE
$1.1B
| $8.19M | ﹤0.01% |
237,500
+118,800
| +100% | +$3.27M |
|
|
IPFF
1117
PUT
DELISTED
iShares International Preferred Stock ETF
IPFF
| $8.19M | ﹤0.01% |
148,400
+10,700
| +8% | +$590K |
|
1118
CALL
NetApp
NTAP
$40.2B
| $8.17M | ﹤0.01% |
76,700
-10,700
| -12% | -$1.02M |
|
1119
PUT
Hertz
HTZ
$838M
| $8.15M | ﹤0.01% |
1,192,600
+343,800
| +41% | +$2.15M |
|
1120
PUT
Flutter Entertainment
FLUT
$17.1B
| $8.14M | ﹤0.01% |
28,500
-900
| -3% | -$221K |
|
1121
CALL
Lumentum
LITE
$78B
| $8.14M | ﹤0.01% |
85,600
+23,900
| +39% | +$1.7M |
|
1122
Berkshire Hathaway Class B
BRK.B
$1.09T
| $8.11M | ﹤0.01% |
+16,694
| New | +$8.48M |
|
1123
PUT
C3.ai
AI
$1.58B
| $8.11M | ﹤0.01% |
330,000
+50,800
| +18% | +$1.16M |
|
1124
PUT
Tapestry
TPR
$25.9B
| $8.07M | ﹤0.01% |
91,900
+2,100
| +2% | +$159K |
|
1125
PUT
Bath & Body Works
BBWI
$3.76B
| $8.05M | ﹤0.01% |
268,800
+188,400
| +234% | +$5.51M |
|
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.