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 | |
|---|---|---|---|---|---|---|
1976
PUT
CoinShares ETF Trust CoinShares Bitcoin Mining ETF
WGMI
$233M
| $2.95M | ﹤0.01% |
66,700
+26,000
| +64% | +$783K |
|
1977
PUT
Zions Bancorporation
ZION
$10.5B
| $2.95M | ﹤0.01% |
52,100
-17,700
| -25% | -$985K |
|
1978
CALL
Impinj
PI
$5.28B
| $2.95M | ﹤0.01% |
16,300
+5,600
| +52% | +$883K |
|
1979
CALL
Repligen
RGEN
$9.42B
| $2.94M | ﹤0.01% |
+22,000
| New | +$2.67M |
|
1980
PUT
Harmony Gold Mining
HMY
$12.1B
| $2.94M | ﹤0.01% |
161,800
+39,600
| +32% | +$598K |
|
1981
PUT
Invesco CurrencyShares Japanese Yen Trust
FXY
$427M
| $2.93M | ﹤0.01% |
47,100
-10,400
| -18% | -$649K |
|
1982
PUT
Noble Corp
NE
$7.2B
| $2.91M | ﹤0.01% |
103,000
-6,500
| -6% | -$184K |
|
1983
CALL
JetBlue
JBLU
$2.14B
| $2.91M | ﹤0.01% |
591,600
-73,600
| -11% | -$354K |
|
1984
Archer Aviation
ACHR
$5.16B
| $2.9M | ﹤0.01% |
303,052
+234,143
| +340% | +$2.32M |
|
1985
Toast
TOST
$20.2B
| $2.9M | ﹤0.01% |
79,349
+31,714
| +67% | +$1.38M |
|
1986
CALL
Century Aluminum
CENX
$4.7B
| $2.89M | ﹤0.01% |
98,500
+5,100
| +5% | +$116K |
|
1987
CALL
Silicon Motion
SIMO
$8.79B
| $2.89M | ﹤0.01% |
30,500
+14,400
| +89% | +$1.14M |
|
1988
PUT
Cheesecake Factory
CAKE
$5.55B
| $2.87M | ﹤0.01% |
52,500
+22,500
| +75% | +$1.38M |
|
1989
CALL
Amer Sports
AS
$19.2B
| $2.86M | ﹤0.01% |
+82,300
| New | +$3.1M |
|
|
1990
CALL
Cheesecake Factory
CAKE
$5.55B
| $2.86M | ﹤0.01% |
52,300
+14,300
| +38% | +$876K |
|
|
LAC
1991
PUT
Lithium Americas
LAC
$1.26B
| $2.85M | ﹤0.01% |
499,900
+311,500
| +165% | +$984K |
|
1992
CALL
Levi Strauss
LEVI
$8.58B
| $2.85M | ﹤0.01% |
122,500
+5,900
| +5% | +$125K |
|
1993
PUT
Tidewater
TDW
$4.7B
| $2.85M | ﹤0.01% |
53,500
-10,700
| -17% | -$586K |
|
|
EXE
1994
Expand Energy Corp
EXE
$22B
| $2.85M | ﹤0.01% |
+26,780
| New | +$2.69M |
|
1995
CALL
Invesco DB US Dollar Index Bullish Fund
UUP
$413M
| $2.83M | ﹤0.01% |
103,000
-59,700
| -37% | -$1.63M |
|
1996
Innodata
INOD
$2.1B
| $2.83M | ﹤0.01% |
36,729
+17,697
| +93% | +$894K |
|
1997
PUT
Mid-America Apartment Communities
MAA
$15.6B
| $2.82M | ﹤0.01% |
20,200
+9,300
| +85% | +$1.34M |
|
1998
CALL
Celanese
CE
$4.95B
| $2.82M | ﹤0.01% |
67,000
+17,600
| +36% | +$876K |
|
1999
PUT
JB Hunt Transport Services
JBHT
$26.6B
| $2.82M | ﹤0.01% |
21,000
-18,200
| -46% | -$2.62M |
|
2000
PUT
Targa Resources
TRGP
$58.7B
| $2.81M | ﹤0.01% |
16,800
-12,800
| -43% | -$2.13M |
|
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.