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 | |
|---|---|---|---|---|---|---|
2101
PUT
TG Therapeutics
TGTX
$7.34B
| $1.75M | ﹤0.01% |
48,700
-25,700
| -35% | -$957K |
|
2102
CALL
Avantor
AVTR
$9.37B
| $1.74M | ﹤0.01% |
129,300
-66,800
| -34% | -$914K |
|
2103
PUT
Polaris
PII
$3.9B
| $1.74M | ﹤0.01% |
42,800
+3,900
| +10% | +$147K |
|
2104
PUT
Royal Bank of Canada
RY
$297B
| $1.74M | ﹤0.01% |
13,200
+2,100
| +19% | +$257K |
|
2105
PUT
Fastly Inc
FSLY
$4.78B
| $1.73M | ﹤0.01% |
245,200
-41,900
| -15% | -$281K |
|
2106
CALL
Cirrus Logic
CRUS
$6.11B
| $1.73M | ﹤0.01% |
16,600
+1,700
| +11% | +$167K |
|
|
JMIA
2107
PUT
Jumia Technologies
JMIA
$768M
| $1.73M | ﹤0.01% |
429,200
+166,800
| +64% | +$471K |
|
2108
CALL
United Parks & Resorts
PRKS
$2.01B
| $1.72M | ﹤0.01% |
+36,500
| New | +$1.63M |
|
2109
CALL
Grindr
GRND
$2.74B
| $1.72M | ﹤0.01% |
75,700
+14,200
| +23% | +$312K |
|
2110
CALL
Energy Fuels
UUUU
$3.64B
| $1.72M | ﹤0.01% |
298,600
+103,900
| +53% | +$499K |
|
|
INFA
2111
CALL
DELISTED
Informatica
INFA
| $1.71M | ﹤0.01% |
70,400
+45,300
| +180% | +$934K |
|
2112
PUT
Dynatrace
DT
$14.7B
| $1.71M | ﹤0.01% |
31,000
+6,100
| +24% | +$306K |
|
2113
PUT
Harmony Gold Mining
HMY
$12B
| $1.71M | ﹤0.01% |
122,200
+70,200
| +135% | +$1.06M |
|
2114
abrdn Physical Silver Shares ETF
SIVR
$4.47B
| $1.7M | ﹤0.01% |
+49,531
| New | +$1.59M |
|
2115
CALL
Pentair
PNR
$10.5B
| $1.7M | ﹤0.01% |
16,600
+500
| +3% | +$46.7K |
|
|
SAND
2116
CALL
DELISTED
Sandstorm Gold
SAND
| $1.7M | ﹤0.01% |
181,200
+114,000
| +170% | +$976K |
|
2117
CALL
Weyerhaeuser
WY
$17.9B
| $1.7M | ﹤0.01% |
66,300
+19,000
| +40% | +$497K |
|
2118
CALL
AngloGold Ashanti
AU
$48.1B
| $1.7M | ﹤0.01% |
37,300
+13,300
| +55% | +$572K |
|
2119
PUT
Fomento Económico Mexicano
FMX
$40B
| $1.7M | ﹤0.01% |
+16,500
| New | +$1.7M |
|
2120
PUT
Axos Financial
AX
$5.72B
| $1.7M | ﹤0.01% |
22,300
-8,100
| -27% | -$547K |
|
2121
PUT
Cipher Digital
CIFR
$6.9B
| $1.69M | ﹤0.01% |
354,400
+168,600
| +91% | +$545K |
|
|
ROBN
2122
T-Rex 2X Long HOOD Daily Target ETF
ROBN
$109M
| $1.69M | ﹤0.01% |
+32,359
| New | +$759K |
|
2123
Bilibili
BILI
$7.14B
| $1.69M | ﹤0.01% |
78,809
-56,206
| -42% | -$1.03M |
|
2124
CALL
Southern Copper
SCCO
$158B
| $1.69M | ﹤0.01% |
17,536
+5,977
| +52% | +$520K |
|
2125
CALL
Century Aluminum
CENX
$4.59B
| $1.68M | ﹤0.01% |
93,400
+2,400
| +3% | +$40.8K |
|
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.