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 | |
|---|---|---|---|---|---|---|
1026
CALL
CF Industries
CF
$17.7B
| $12.6M | ﹤0.01% |
140,300
-172,000
| -55% | -$15.3M |
|
1027
CALL
Mondelez International
MDLZ
$81.1B
| $12.6M | ﹤0.01% |
201,200
-178,300
| -47% | -$11.5M |
|
1028
PUT
Royal Gold
RGLD
$19.1B
| $12.6M | ﹤0.01% |
62,600
+24,500
| +64% | +$4.24M |
|
1029
PUT
Waste Management
WM
$89.6B
| $12.5M | ﹤0.01% |
56,600
+7,400
| +15% | +$1.67M |
|
1030
CALL
Fluor
FLR
$7B
| $12.5M | ﹤0.01% |
296,900
+49,000
| +20% | +$2.26M |
|
1031
CALL
Kraft Heinz
KHC
$30.1B
| $12.5M | ﹤0.01% |
479,400
-93,000
| -16% | -$2.53M |
|
|
1032
PUT
Kraft Heinz
KHC
$30.1B
| $12.5M | ﹤0.01% |
479,200
+14,300
| +3% | +$389K |
|
1033
PUT
GE HealthCare
GEHC
$33.3B
| $12.5M | ﹤0.01% |
166,000
+200
| +0.1% | +$14.9K |
|
1034
PUT
argenx
ARGX
$53.6B
| $12.5M | ﹤0.01% |
+16,900
| New | +$11.1M |
|
1035
PUT
Core Scientific
CORZ
$6.36B
| $12.4M | ﹤0.01% |
693,300
-481,300
| -41% | -$7.06M |
|
1036
CALL
Sysco
SYY
$40B
| $12.4M | ﹤0.01% |
150,700
-550,300
| -79% | -$44M |
|
1037
Thermo Fisher Scientific
TMO
$220B
| $12.4M | ﹤0.01% |
25,484
-12,587
| -33% | -$5.86M |
|
1038
CALL
State Street
STT
$52.2B
| $12.4M | ﹤0.01% |
106,500
-157,000
| -60% | -$17.5M |
|
1039
CALL
Aflac
AFL
$60.7B
| $12.3M | ﹤0.01% |
110,400
+22,900
| +26% | +$2.41M |
|
1040
Take-Two Interactive
TTWO
$45.2B
| $12.3M | ﹤0.01% |
+47,711
| New | +$11.3M |
|
1041
PUT
PG&E
PCG
$38.5B
| $12.3M | ﹤0.01% |
816,600
+408,700
| +100% | +$5.96M |
|
1042
CALL
Ford
F
$55.4B
| $12.3M | ﹤0.01% |
1,024,600
-482,200
| -32% | -$5.56M |
|
1043
PUT
Duke Energy
DUK
$97.1B
| $12.2M | ﹤0.01% |
98,500
-12,400
| -11% | -$1.5M |
|
1044
Fortinet
FTNT
$121B
| $12.1M | ﹤0.01% |
144,391
+102,481
| +245% | +$9.14M |
|
1045
CALL
Sterling Infrastructure
STRL
$16.9B
| $12.1M | ﹤0.01% |
35,700
+18,100
| +103% | +$5.14M |
|
|
TIGR
1046
PUT
UP Fintech Holding
TIGR
$833M
| $12.1M | ﹤0.01% |
1,132,500
+162,800
| +17% | +$1.75M |
|
1047
CALL
GDS Holdings
GDS
$6.97B
| $12.1M | ﹤0.01% |
312,100
+205,100
| +192% | +$7.27M |
|
1048
CALL
Coeur Mining
CDE
$19B
| $12.1M | ﹤0.01% |
642,600
+431,000
| +204% | +$5.28M |
|
1049
NIO
NIO
$11.3B
| $12M | ﹤0.01% |
1,577,438
+933,158
| +145% | +$5.03M |
|
1050
CALL
J.M. Smucker
SJM
$12.9B
| $12M | ﹤0.01% |
110,600
+48,200
| +77% | +$5.23M |
|
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.