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 |
iShares Bitcoin Trust
IBIT
|
+$232M |
| 2 |
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$168M |
| 3 |
Apple
AAPL
|
+$149M |
| 4 |
State Street Financial Select Sector SPDR ETF
XLF
|
+$136M |
| 5 |
UnitedHealth
UNH
|
+$110M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Invesco QQQ Trust
QQQ
|
+$153M |
| 2 |
iShares Russell 2000 ETF
IWM
|
+$127M |
| 3 |
Advanced Micro Devices
AMD
|
+$97.1M |
| 4 |
TSMC
TSM
|
+$65.3M |
| 5 |
SPYM
State Street SPDR Portfolio S&P 500 ETF
SPYM
|
+$57.6M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 0.32% |
| 2 | Consumer Discretionary | 0.25% |
| 3 | Healthcare | 0.13% |
| 4 | Communication Services | 0.1% |
| 5 | Financials | 0.1% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
1926
PUT
Shift4
FOUR
$3.63B
| $2.26M | ﹤0.01% |
22,800
-5,700
| -20% | -$497K |
|
1927
CALL
Huntington Bancshares
HBAN
$36.2B
| $2.26M | ﹤0.01% |
134,800
-49,100
| -27% | -$741K |
|
|
BTC
1928
PUT
Grayscale Bitcoin Mini Trust ETF
BTC
$3.32B
| $2.26M | ﹤0.01% |
47,300
-6,800
| -13% | -$297K |
|
|
CIVI
1929
PUT
DELISTED
Civitas Resources
CIVI
| $2.25M | ﹤0.01% |
81,800
+47,600
| +139% | +$1.38M |
|
1930
CALL
ACM Research
ACMR
$5.56B
| $2.25M | ﹤0.01% |
86,800
-40,600
| -32% | -$913K |
|
|
JNPR
1931
PUT
DELISTED
Juniper Networks
JNPR
| $2.25M | ﹤0.01% |
+56,300
| New | +$2.02M |
|
1932
CALL
Fox Class A
FOXA
$28.8B
| $2.24M | ﹤0.01% |
40,000
-62,800
| -61% | -$3.31M |
|
1933
CALL
Restaurant Brands International
QSR
$26.9B
| $2.24M | ﹤0.01% |
33,800
+2,500
| +8% | +$167K |
|
1934
PUT
UBS Group
UBS
$176B
| $2.24M | ﹤0.01% |
66,200
-54,900
| -45% | -$1.7M |
|
1935
CALL
Mattel
MAT
$4.3B
| $2.23M | ﹤0.01% |
113,200
+77,300
| +215% | +$1.38M |
|
1936
CALL
Boyd Gaming
BYD
$6.11B
| $2.23M | ﹤0.01% |
28,500
-7,900
| -22% | -$564K |
|
1937
VanEck Uranium + Nuclear Energy ETF
NLR
$4.24B
| $2.22M | ﹤0.01% |
20,005
+6,023
| +43% | +$535K |
|
|
PPLI
1938
CALL
People Inc
PPLI
$3.02B
| $2.22M | ﹤0.01% |
59,500
-21,929
| -27% | -$793K |
|
1939
CALL
Transocean
RIG
$6.57B
| $2.22M | ﹤0.01% |
857,700
+428,800
| +100% | +$1.11M |
|
1940
PUT
Bank OZK
OZK
$5.74B
| $2.22M | ﹤0.01% |
47,200
-11,200
| -19% | -$490K |
|
1941
CALL
WEC Energy
WEC
$35.7B
| $2.22M | ﹤0.01% |
21,300
-6,000
| -22% | -$638K |
|
1942
CALL
Scorpio Tankers
STNG
$3.98B
| $2.22M | ﹤0.01% |
56,700
+23,600
| +71% | +$920K |
|
1943
CALL
TMC The Metals Company
TMC
$1.75B
| $2.22M | ﹤0.01% |
+335,700
| New | +$1.29M |
|
1944
PUT
Alexandria Real Estate Equities
ARE
$8.31B
| $2.22M | ﹤0.01% |
30,500
+14,900
| +96% | +$1.11M |
|
1945
CALL
Viasat
VSAT
$11.3B
| $2.21M | ﹤0.01% |
151,600
+72,800
| +92% | +$737K |
|
1946
Crocs
CROX
$6.33B
| $2.21M | ﹤0.01% |
21,836
+8,982
| +70% | +$916K |
|
1947
NIO
NIO
$11.3B
| $2.21M | ﹤0.01% |
644,280
-894,441
| -58% | -$3.33M |
|
1948
PUT
International Paper
IP
$21.5B
| $2.21M | ﹤0.01% |
47,100
-3,300
| -7% | -$156K |
|
1949
CALL
Golar LNG
GLNG
$5.27B
| $2.2M | ﹤0.01% |
53,500
+13,000
| +32% | +$513K |
|
1950
CALL
Mohawk Industries
MHK
$9.44B
| $2.2M | ﹤0.01% |
21,000
+11,000
| +110% | +$1.15M |
|
Similar funds
IMC Chicago's Q2 2025 Portfolio in Review
As of Q2 2025, IMC Chicago held 3,685 positions worth $225B, up 27% from $177B the previous quarter. Its ten largest holdings account for 42% of the portfolio.
IMC Chicago deployed $13.1B of net new capital in Q2 2025, opening 615 new positions and adding to 1,602 existing holdings. Its largest new stake was iShares Bitcoin Trust: 4,132,010 shares worth $253M.
By sector, the portfolio is most concentrated in Technology at 0.32% of assets, up from 0.28% a quarter earlier, followed by Consumer Discretionary and Healthcare.
On the sell side, the largest reduction was Invesco QQQ Trust, an estimated $153M trimmed.
- IMC Chicago's largest Q2 2025 buy was iShares Bitcoin Trust: 4,132,010 shares worth $253M.
- IMC Chicago added most to Sprott Physical Gold in Q2 2025, an estimated $77.8M increase.
- IMC Chicago's biggest Q2 2025 reduction was Invesco QQQ Trust, cutting an estimated $153M.
- IMC Chicago fully exited Advanced Micro Devices in Q2 2025, selling an estimated $97.1M.
- IMC Chicago's ten largest holdings make up 42% of its $225B portfolio in Q2 2025.
- IMC Chicago opened 615 new positions and closed 423 in Q2 2025.
- IMC Chicago's portfolio value rose 27% quarter-over-quarter to $225B.
Based on IMC Chicago's 13F filing for Q2 2025, filed 22 Jul 2025.