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 | |
|---|---|---|---|---|---|---|
1201
CALL
Signet Jewelers
SIG
$3.6B
| $6.96M | ﹤0.01% |
87,500
+12,800
| +17% | +$851K |
|
1202
PUT
Cognizant
CTSH
$26.7B
| $6.96M | ﹤0.01% |
89,200
-55,800
| -38% | -$4.28M |
|
1203
CALL
Ecolab
ECL
$77.4B
| $6.95M | ﹤0.01% |
+25,800
| New | +$6.56M |
|
1204
CALL
Summit Therapeutics
SMMT
$11.2B
| $6.95M | ﹤0.01% |
+326,600
| New | +$7.45M |
|
1205
CALL
Nextpower Inc
NXT
$15.9B
| $6.94M | ﹤0.01% |
127,600
+80,900
| +173% | +$4.06M |
|
1206
CALL
AES
AES
$10.5B
| $6.93M | ﹤0.01% |
659,100
+149,600
| +29% | +$1.6M |
|
1207
PUT
CSX Corp
CSX
$92.9B
| $6.93M | ﹤0.01% |
212,300
+121,900
| +135% | +$3.67M |
|
1208
CALL
Centene
CNC
$32.6B
| $6.92M | ﹤0.01% |
127,400
-1,400
| -1% | -$82.1K |
|
1209
CALL
Carpenter Technology
CRS
$26.6B
| $6.91M | ﹤0.01% |
25,000
-40,500
| -62% | -$8.83M |
|
1210
PUT
Cintas
CTAS
$80.3B
| $6.91M | ﹤0.01% |
31,000
-24,300
| -44% | -$5.23M |
|
|
BNY
1211
PUT
Bank of New York Mellon
BNY
$110B
| $6.91M | ﹤0.01% |
75,800
-7,500
| -9% | -$637K |
|
1212
PUT
Fidelity Wise Origin Bitcoin Fund
FBTC
$11.8B
| $6.9M | ﹤0.01% |
73,400
-20,600
| -22% | -$1.77M |
|
1213
CALL
Kohl's
KSS
$2.22B
| $6.88M | ﹤0.01% |
811,800
+101,400
| +14% | +$780K |
|
1214
CALL
Entegris
ENTG
$25B
| $6.88M | ﹤0.01% |
85,300
+70,800
| +488% | +$5.38M |
|
1215
PUT
Teck Resources
TECK
$31.3B
| $6.84M | ﹤0.01% |
169,300
+68,900
| +69% | +$2.49M |
|
1216
Applied Digital
APLD
$8.81B
| $6.82M | ﹤0.01% |
677,075
+441,109
| +187% | +$3.25M |
|
1217
CALL
Idexx Laboratories
IDXX
$44.7B
| $6.81M | ﹤0.01% |
12,700
| – | – |
|
1218
CALL
Zeta Global
ZETA
$7.44B
| $6.79M | ﹤0.01% |
438,300
+240,200
| +121% | +$3.19M |
|
1219
PUT
Royal Gold
RGLD
$19.1B
| $6.78M | ﹤0.01% |
38,100
+7,000
| +23% | +$1.24M |
|
1220
CALL
AMC Entertainment Holdings
AMC
$2.35B
| $6.73M | ﹤0.01% |
2,171,500
-215,000
| -9% | -$638K |
|
1221
Capital One
COF
$137B
| $6.73M | ﹤0.01% |
31,613
-43,784
| -58% | -$8.17M |
|
1222
PUT
Hasbro
HAS
$13.6B
| $6.7M | ﹤0.01% |
90,800
-60,200
| -40% | -$3.8M |
|
1223
CALL
Emcor
EME
$36.7B
| $6.69M | ﹤0.01% |
12,500
-7,900
| -39% | -$3.49M |
|
1224
CALL
Illinois Tool Works
ITW
$82.9B
| $6.68M | ﹤0.01% |
27,000
+5,300
| +24% | +$1.28M |
|
1225
CALL
International Paper
IP
$21.8B
| $6.67M | ﹤0.01% |
142,500
-63,600
| -31% | -$3.01M |
|
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.