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 | |
|---|---|---|---|---|---|---|
2101
PUT
CoStar Group
CSGP
$13B
| $2.37M | ﹤0.01% |
28,100
-3,000
| -10% | -$265K |
|
2102
CALL
Exelixis
EXEL
$12.6B
| $2.37M | ﹤0.01% |
57,400
+10,600
| +23% | +$426K |
|
2103
Apollo Global Management
APO
$83.9B
| $2.37M | ﹤0.01% |
17,747
+6,692
| +61% | +$947K |
|
|
PPTA
2104
PUT
Perpetua Resources
PPTA
$3.22B
| $2.36M | ﹤0.01% |
116,800
+96,400
| +473% | +$1.63M |
|
2105
CALL
Baxter International
BAX
$13.9B
| $2.36M | ﹤0.01% |
103,500
+20,200
| +24% | +$512K |
|
2106
CALL
Brunswick
BC
$5.3B
| $2.35M | ﹤0.01% |
37,200
+25,200
| +210% | +$1.56M |
|
2107
PUT
iQIYI
IQ
$1.28B
| $2.35M | ﹤0.01% |
916,900
-689,300
| -43% | -$1.53M |
|
2108
Elastic
ESTC
$8.8B
| $2.34M | ﹤0.01% |
27,719
+12,046
| +77% | +$1.01M |
|
2109
CALL
GlobalFoundries
GFS
$29.9B
| $2.34M | ﹤0.01% |
65,300
+12,600
| +24% | +$450K |
|
2110
PUT
Onto Innovation
ONTO
$21.1B
| $2.34M | ﹤0.01% |
18,100
-3,200
| -15% | -$342K |
|
2111
Direxion Daily AAPL Bull 2X ETF
AAPU
$187M
| $2.34M | ﹤0.01% |
+72,274
| New | +$1.89M |
|
2112
PUT
Viking Holdings
VIK
$47.7B
| $2.33M | ﹤0.01% |
37,500
+6,300
| +20% | +$376K |
|
2113
PUT
Jackson Financial
JXN
$9.2B
| $2.33M | ﹤0.01% |
23,000
+10,100
| +78% | +$944K |
|
|
WCC
2114
CALL
WESCO International
WCC
$17.6B
| $2.33M | ﹤0.01% |
11,000
-5,000
| -31% | -$1.05M |
|
|
BRSL
2115
CALL
Brightstar Lottery PLC
BRSL
$2.16B
| $2.33M | ﹤0.01% |
134,800
-124,900
| -48% | -$2M |
|
2116
CALL
HealthEquity
HQY
$8.82B
| $2.32M | ﹤0.01% |
+24,500
| New | +$2.31M |
|
|
XIFR
2117
CALL
XPLR Infrastructure LP
XIFR
$1.1B
| $2.31M | ﹤0.01% |
227,200
+100,800
| +80% | +$975K |
|
2118
PUT
BlackBerry
BB
$5.22B
| $2.3M | ﹤0.01% |
472,300
+154,000
| +48% | +$611K |
|
2119
CALL
Alight
ALIT
$387M
| $2.3M | ﹤0.01% |
35,280
+29,995
| +568% | +$2.65M |
|
2120
PUT
Herc Holdings
HRI
$5.68B
| $2.3M | ﹤0.01% |
+19,700
| New | +$2.54M |
|
2121
PUT
Plains All American Pipeline
PAA
$16.7B
| $2.3M | ﹤0.01% |
134,600
-20,500
| -13% | -$367K |
|
2122
CALL
Murphy Oil
MUR
$5B
| $2.29M | ﹤0.01% |
80,700
-20,600
| -20% | -$520K |
|
2123
PUT
Invesco DB US Dollar Index Bullish Fund
UUP
$413M
| $2.29M | ﹤0.01% |
83,300
-12,600
| -13% | -$345K |
|
|
DENT
2124
PUT
DELISTED
AdvisorShares Dent Tactical ETF
DENT
| $2.29M | ﹤0.01% |
478,100
-121,400
| -20% | -$582K |
|
2125
PUT
JPMorgan Inflation Managed Bond ETF
JCPI
$871M
| $2.29M | ﹤0.01% |
+39,800
| New | +$1.93M |
|
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.