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 | |
|---|---|---|---|---|---|---|
3051
CALL
Patterson-UTI
PTEN
$4.19B
| $345K | ﹤0.01% |
58,100
-400
| -0.7% | -$2.41K |
|
|
VISN
3052
Vistance Networks Inc
VISN
$2.71B
| $343K | ﹤0.01% |
+41,423
| New | +$217K |
|
3053
Green Plains
GPRE
$1.06B
| $343K | ﹤0.01% |
56,845
-26,783
| -32% | -$118K |
|
|
GRRR
3054
Gorilla Technology Group
GRRR
$404M
| $341K | ﹤0.01% |
+17,162
| New | +$321K |
|
|
RNMN
3055
CALL
RiverNorth Market Neutral ETF
RNMN
$7.17M
| $341K | ﹤0.01% |
+11,700
| New | +$318K |
|
3056
PUT
Cedar Fair
FUN
$1.66B
| $341K | ﹤0.01% |
+11,200
| New | +$375K |
|
3057
PUT
Unusual Machines
UMAC
$1.41B
| $339K | ﹤0.01% |
+39,600
| New | +$250K |
|
3058
PUT
LegalZoom.com
LZ
$921M
| $336K | ﹤0.01% |
37,700
-23,900
| -39% | -$200K |
|
3059
Teucrium Wheat Fund
WEAT
$297M
| $335K | ﹤0.01% |
+15,106
| New | +$347K |
|
3060
CoinShares ETF Trust CoinShares Bitcoin Mining ETF
WGMI
$247M
| $335K | ﹤0.01% |
14,740
-1,912
| -11% | -$31.1K |
|
3061
CALL
Coursera
COUR
$1.48B
| $334K | ﹤0.01% |
38,100
-28,200
| -43% | -$231K |
|
3062
PUT
Warby Parker
WRBY
$3.09B
| $331K | ﹤0.01% |
15,100
-11,300
| -43% | -$209K |
|
|
MRP
3063
Millrose Properties Inc
MRP
$4.93B
| $331K | ﹤0.01% |
+11,598
| New | +$307K |
|
3064
CALL
Host Hotels & Resorts
HST
$15.5B
| $330K | ﹤0.01% |
21,500
-52,300
| -71% | -$775K |
|
3065
PUT
Alliance Resource Partners
ARLP
$3.23B
| $329K | ﹤0.01% |
12,600
+2,100
| +20% | +$55.2K |
|
3066
PUT
Banco Santander
SAN
$212B
| $329K | ﹤0.01% |
+39,600
| New | +$295K |
|
3067
CALL
Tandem Diabetes Care
TNDM
$1.59B
| $328K | ﹤0.01% |
17,600
-3,200
| -15% | -$63.4K |
|
3068
CALL
Open Text
OTEX
$5.67B
| $327K | ﹤0.01% |
11,200
-4,600
| -29% | -$125K |
|
3069
EVgo
EVGO
$500M
| $326K | ﹤0.01% |
89,363
-46,106
| -34% | -$158K |
|
|
GOOS
3070
PUT
Canada Goose Holdings
GOOS
$846M
| $325K | ﹤0.01% |
+29,000
| New | +$281K |
|
3071
CALL
Phreesia
PHR
$745M
| $324K | ﹤0.01% |
11,400
+100
| +0.9% | +$2.54K |
|
|
THS
3072
CALL
DELISTED
Treehouse Foods
THS
| $324K | ﹤0.01% |
16,700
+900
| +6% | +$20.2K |
|
|
MAG
3073
CALL
DELISTED
MAG Silver
MAG
| $323K | ﹤0.01% |
15,300
-17,300
| -53% | -$307K |
|
|
AVDL
3074
CALL
DELISTED
Avadel Pharmaceuticals
AVDL
| $323K | ﹤0.01% |
36,500
-6,000
| -14% | -$52.7K |
|
3075
CVR Energy
CVI
$3.43B
| $323K | ﹤0.01% |
+12,012
| New | +$264K |
|
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.