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 | |
|---|---|---|---|---|---|---|
2076
CALL
Universal Health Services
UHS
$10B
| $2.47M | ﹤0.01% |
12,100
+600
| +5% | +$108K |
|
|
MPT
2077
PUT
Medical Properties Trust
MPT
$2.51B
| $2.47M | ﹤0.01% |
487,400
-55,400
| -10% | -$244K |
|
|
VSXY
2078
CALL
Victoria's Secret
VSXY
$7.15B
| $2.47M | ﹤0.01% |
91,000
-88,000
| -49% | -$1.98M |
|
2079
PUT
ODDITY Tech
ODD
$603M
| $2.47M | ﹤0.01% |
39,600
+12,600
| +47% | +$818K |
|
2080
Ford
F
$56.6B
| $2.47M | ﹤0.01% |
+206,213
| New | +$2.38M |
|
2081
PUT
Magnite
MGNI
$3.53B
| $2.46M | ﹤0.01% |
113,100
+32,900
| +41% | +$777K |
|
2082
GE HealthCare
GEHC
$33.3B
| $2.45M | ﹤0.01% |
+32,682
| New | +$2.44M |
|
2083
CALL
CNX Resources
CNX
$5.29B
| $2.44M | ﹤0.01% |
76,100
-8,500
| -10% | -$260K |
|
2084
Workday
WDAY
$48.7B
| $2.44M | ﹤0.01% |
10,141
-49,084
| -83% | -$11.3M |
|
2085
PUT
Southern Copper
SCCO
$159B
| $2.44M | ﹤0.01% |
20,895
+2,519
| +14% | +$244K |
|
2086
CALL
Amkor Technology
AMKR
$14.9B
| $2.44M | ﹤0.01% |
85,800
+35,400
| +70% | +$852K |
|
2087
Kraft Heinz
KHC
$30B
| $2.43M | ﹤0.01% |
93,495
-19,955
| -18% | -$542K |
|
2088
CALL
Lear
LEA
$8.25B
| $2.42M | ﹤0.01% |
+24,100
| New | +$2.5M |
|
2089
CALL
Organon & Co
OGN
$3.6B
| $2.42M | ﹤0.01% |
226,800
+93,900
| +71% | +$922K |
|
2090
CALL
FIVE9
FIVN
$2.43B
| $2.42M | ﹤0.01% |
100,000
-38,800
| -28% | -$1.03M |
|
2091
CALL
Omnicom Group
OMC
$24.1B
| $2.41M | ﹤0.01% |
29,600
+12,900
| +77% | +$974K |
|
2092
CALL
VICI Properties
VICI
$29B
| $2.41M | ﹤0.01% |
73,900
-53,500
| -42% | -$1.76M |
|
2093
PUT
First Horizon
FHN
$12.4B
| $2.4M | ﹤0.01% |
106,300
+66,500
| +167% | +$1.48M |
|
2094
Energy Fuels
UUUU
$3.78B
| $2.4M | ﹤0.01% |
156,387
+56,343
| +56% | +$598K |
|
2095
PUT
Eagle Materials
EXP
$6.37B
| $2.4M | ﹤0.01% |
+10,300
| New | +$2.33M |
|
2096
PUT
Lamar Advertising Co
LAMR
$15.8B
| $2.4M | ﹤0.01% |
+19,600
| New | +$2.43M |
|
2097
PUT
Otis Worldwide
OTIS
$27.6B
| $2.39M | ﹤0.01% |
26,100
+12,300
| +89% | +$1.12M |
|
2098
CALL
Telephone and Data Systems
TDS
$4.05B
| $2.37M | ﹤0.01% |
60,500
+23,300
| +63% | +$897K |
|
2099
CALL
Turning Point Brands
TPB
$1.74B
| $2.37M | ﹤0.01% |
24,000
+13,200
| +122% | +$1.19M |
|
2100
Goodyear
GT
$1.78B
| $2.37M | ﹤0.01% |
317,155
+279,290
| +738% | +$2.63M |
|
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.