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 | |
|---|---|---|---|---|---|---|
1301
PUT
Kratos Defense & Security Solutions
KTOS
$11.8B
| $5.82M | ﹤0.01% |
125,400
+67,700
| +117% | +$2.45M |
|
1302
CALL
Consolidated Edison
ED
$39.9B
| $5.81M | ﹤0.01% |
57,900
-18,200
| -24% | -$1.93M |
|
1303
PUT
T. Rowe Price
TROW
$23.8B
| $5.81M | ﹤0.01% |
60,200
+27,300
| +83% | +$2.51M |
|
1304
CALL
Universal Display
OLED
$4.23B
| $5.78M | ﹤0.01% |
37,400
+12,100
| +48% | +$1.69M |
|
1305
CALL
CoStar Group
CSGP
$13.4B
| $5.77M | ﹤0.01% |
71,800
-4,300
| -6% | -$335K |
|
1306
PUT
Bilibili
BILI
$7.37B
| $5.76M | ﹤0.01% |
268,400
-76,400
| -22% | -$1.41M |
|
1307
PUT
Lucid Motors
LCID
$2.54B
| $5.75M | ﹤0.01% |
272,430
+45,500
| +20% | +$1.09M |
|
1308
CALL
Conagra Brands
CAG
$7.18B
| $5.74M | ﹤0.01% |
280,600
+141,900
| +102% | +$3.33M |
|
1309
CALL
ResMed
RMD
$32.8B
| $5.73M | ﹤0.01% |
22,200
+5,600
| +34% | +$1.34M |
|
1310
PUT
Alpha Metallurgical Resources
AMR
$2.02B
| $5.71M | ﹤0.01% |
50,800
-1,100
| -2% | -$129K |
|
1311
Accenture
ACN
$109B
| $5.71M | ﹤0.01% |
+19,112
| New | +$5.82M |
|
1312
PUT
PG&E
PCG
$38.3B
| $5.69M | ﹤0.01% |
407,900
+127,000
| +45% | +$2.07M |
|
1313
PUT
Agilent Technologies
A
$41.9B
| $5.68M | ﹤0.01% |
48,100
+22,700
| +89% | +$2.52M |
|
1314
CALL
ProShares UltraShort Health Care
RXD
$3.02M
| $5.67M | ﹤0.01% |
80,750
+30,350
| +60% | +$742K |
|
1315
CALL
KE Holdings
BEKE
$19.2B
| $5.64M | ﹤0.01% |
318,200
-202,800
| -39% | -$3.9M |
|
1316
CALL
Sable Offshore Corp
SOC
$773M
| $5.64M | ﹤0.01% |
256,800
+89,700
| +54% | +$2.09M |
|
1317
PUT
JB Hunt Transport Services
JBHT
$25.9B
| $5.63M | ﹤0.01% |
39,200
+19,400
| +98% | +$2.68M |
|
1318
PUT
ARK Genomic Revolution ETF
ARKG
$1.78B
| $5.62M | ﹤0.01% |
230,900
-14,900
| -6% | -$326K |
|
1319
CALL
TG Therapeutics
TGTX
$7.58B
| $5.6M | ﹤0.01% |
155,600
+34,700
| +29% | +$1.29M |
|
1320
CALL
Dave & Buster's
PLAY
$361M
| $5.59M | ﹤0.01% |
185,900
+4,800
| +3% | +$108K |
|
1321
PUT
Amkor Technology
AMKR
$14.3B
| $5.59M | ﹤0.01% |
266,400
+32,300
| +14% | +$596K |
|
|
BTC
1322
CALL
Grayscale Bitcoin Mini Trust ETF
BTC
$3.36B
| $5.59M | ﹤0.01% |
117,000
+13,300
| +13% | +$581K |
|
|
NNE
1323
PUT
Nano Nuclear Energy
NNE
$1.1B
| $5.57M | ﹤0.01% |
161,600
+44,200
| +38% | +$1.22M |
|
1324
PUT
Sweetgreen
SG
$693M
| $5.56M | ﹤0.01% |
373,500
+230,000
| +160% | +$3.79M |
|
|
P
1325
PUT
Everpure Inc
P
$37B
| $5.56M | ﹤0.01% |
96,500
-4,800
| -5% | -$239K |
|
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.