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 |
Invesco QQQ Trust
QQQ
|
+$203M |
| 2 |
JD.com
JD
|
+$105M |
| 3 |
Boeing
BA
|
+$105M |
| 4 |
Applovin
APP
|
+$93.6M |
| 5 |
Netflix
NFLX
|
+$81.3M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Apple
AAPL
|
+$167M |
| 2 |
State Street Financial Select Sector SPDR ETF
XLF
|
+$146M |
| 3 |
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$135M |
| 4 |
Pinduoduo
PDD
|
+$128M |
| 5 |
Palantir
PLTR
|
+$108M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Consumer Discretionary | 0.39% |
| 2 | Technology | 0.33% |
| 3 | Communication Services | 0.22% |
| 4 | Industrials | 0.16% |
| 5 | Financials | 0.14% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
1176
PUT
Coupang
CPNG
$29.3B
| $9.54M | ﹤0.01% |
296,300
-64,900
| -18% | -$1.96M |
|
1177
CALL
Ecolab
ECL
$77.4B
| $9.53M | ﹤0.01% |
34,800
+9,000
| +35% | +$2.44M |
|
1178
CALL
Burlington
BURL
$22.4B
| $9.52M | ﹤0.01% |
37,400
-7,600
| -17% | -$2.06M |
|
1179
PUT
Sterling Infrastructure
STRL
$16.9B
| $9.51M | ﹤0.01% |
+28,000
| New | +$7.95M |
|
1180
QuantumScape Corp
QS
$3.79B
| $9.5M | ﹤0.01% |
771,460
+573,037
| +289% | +$5.59M |
|
1181
PUT
XPO
XPO
$24.7B
| $9.49M | ﹤0.01% |
73,400
+44,500
| +154% | +$5.78M |
|
1182
CALL
Floor & Decor
FND
$6.27B
| $9.48M | ﹤0.01% |
128,600
+41,800
| +48% | +$3.43M |
|
1183
CALL
United States Natural Gas Fund
UNG
$489M
| $9.46M | ﹤0.01% |
723,800
+127,300
| +21% | +$1.71M |
|
1184
CALL
Crown Castle
CCI
$32.2B
| $9.37M | ﹤0.01% |
97,100
-86,100
| -47% | -$8.71M |
|
1185
CALL
Aehr Test Systems
AEHR
$4.02B
| $9.34M | ﹤0.01% |
310,200
+97,600
| +46% | +$2.11M |
|
1186
ExxonMobil
XOM
$652B
| $9.32M | ﹤0.01% |
82,670
+31,396
| +61% | +$3.49M |
|
1187
PUT
Skyworks Solutions
SWKS
$10.5B
| $9.31M | ﹤0.01% |
120,900
+19,300
| +19% | +$1.44M |
|
1188
PUT
Trip.com Group
TCOM
$28.3B
| $9.26M | ﹤0.01% |
123,200
-75,700
| -38% | -$5.06M |
|
1189
PUT
Kimberly-Clark
KMB
$36.8B
| $9.26M | ﹤0.01% |
74,500
+23,300
| +46% | +$3.01M |
|
1190
PUT
HSBC
HSBC
$358B
| $9.26M | ﹤0.01% |
130,500
+22,400
| +21% | +$1.46M |
|
1191
PUT
C3.ai
AI
$1.58B
| $9.25M | ﹤0.01% |
533,600
+203,600
| +62% | +$4.25M |
|
1192
CALL
Norfolk Southern
NSC
$75.9B
| $9.19M | ﹤0.01% |
30,600
+400
| +1% | +$111K |
|
1193
PUT
BigBear.ai
BBAI
$1.6B
| $9.19M | ﹤0.01% |
1,408,900
+531,500
| +61% | +$3.4M |
|
1194
CALL
Viking Therapeutics
VKTX
$3.84B
| $9.15M | ﹤0.01% |
348,000
+241,000
| +225% | +$7.19M |
|
1195
CALL
Signet Jewelers
SIG
$3.6B
| $9.13M | ﹤0.01% |
95,200
+7,700
| +9% | +$660K |
|
1196
Kenvue
KVUE
$36.9B
| $9.09M | ﹤0.01% |
560,337
+77,762
| +16% | +$1.59M |
|
1197
PUT
Pool Corp
POOL
$7.29B
| $9.09M | ﹤0.01% |
+29,300
| New | +$9.18M |
|
1198
PUT
AB InBev
BUD
$158B
| $9.08M | ﹤0.01% |
152,300
+11,200
| +8% | +$705K |
|
1199
CALL
Magnite
MGNI
$3.53B
| $9.08M | ﹤0.01% |
416,800
+90,900
| +28% | +$2.15M |
|
1200
CALL
Alamos Gold
AGI
$13.8B
| $9.07M | ﹤0.01% |
260,300
+16,500
| +7% | +$472K |
|
Similar funds
IMC Chicago's Q3 2025 Portfolio in Review
As of Q3 2025, IMC Chicago held 4,045 positions worth $275B, up 22% from $225B the previous quarter. Its ten largest holdings account for 38% of the portfolio.
IMC Chicago deployed $23.7B of net new capital in Q3 2025, opening 783 new positions and adding to 1,843 existing holdings. Its largest new stake was Netflix: 666,120 shares worth $79.9M.
By sector, the portfolio is most concentrated in Consumer Discretionary at 0.39% of assets, up from 0.25% a quarter earlier, followed by Technology and Communication Services.
On the sell side, the largest reduction was State Street SPDR Dow Jones Industrial Average ETF Trust, an estimated $135M trimmed.
- IMC Chicago's largest Q3 2025 buy was Netflix: 666,120 shares worth $79.9M.
- IMC Chicago added most to Invesco QQQ Trust in Q3 2025, an estimated $203M increase.
- IMC Chicago's biggest Q3 2025 reduction was State Street SPDR Dow Jones Industrial Average ETF Trust, cutting an estimated $135M.
- IMC Chicago fully exited Apple in Q3 2025, selling an estimated $167M.
- IMC Chicago's ten largest holdings make up 38% of its $275B portfolio in Q3 2025.
- IMC Chicago opened 783 new positions and closed 492 in Q3 2025.
- IMC Chicago's portfolio value rose 22% quarter-over-quarter to $275B.
Based on IMC Chicago's 13F filing for Q3 2025, filed 4 Nov 2025.