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 | |
|---|---|---|---|---|---|---|
3101
Liberty Global Class A
LBTYA
$3.48B
| $304K | ﹤0.01% |
+30,407
| New | +$306K |
|
|
LX
3102
LexinFintech Holdings
LX
$242M
| $304K | ﹤0.01% |
42,128
+4,764
| +13% | +$37K |
|
3103
CALL
Utz Brands
UTZ
$1.25B
| $302K | ﹤0.01% |
+24,100
| New | +$315K |
|
3104
CALL
Biohaven
BHVN
$2.19B
| $302K | ﹤0.01% |
+21,400
| New | +$381K |
|
3105
CALL
ProShares UltraShort Industrials
SIJ
$5.52M
| $301K | ﹤0.01% |
8,000
+5,375
| +205% | +$163K |
|
|
CRON
3106
Cronos Group
CRON
$1.13B
| $301K | ﹤0.01% |
157,580
+23,922
| +18% | +$45.3K |
|
3107
CALL
Shoals Technologies Group
SHLS
$1.47B
| $301K | ﹤0.01% |
+70,800
| New | +$308K |
|
3108
CALL
Frontier Group Holdings
ULCC
$1.59B
| $300K | ﹤0.01% |
+82,700
| New | +$303K |
|
3109
CALL
Equinox Gold
EQX
$13.6B
| $298K | ﹤0.01% |
+51,900
| New | +$337K |
|
3110
Krispy Kreme
DNUT
$536M
| $298K | ﹤0.01% |
102,279
+14,908
| +17% | +$52K |
|
|
BASE
3111
CALL
DELISTED
Couchbase
BASE
| $297K | ﹤0.01% |
12,200
-500
| -4% | -$9.09K |
|
3112
Arvinas
ARVN
$588M
| $297K | ﹤0.01% |
40,403
+9,058
| +29% | +$66.7K |
|
|
3113
CALL
Arvinas
ARVN
$588M
| $297K | ﹤0.01% |
+40,400
| New | +$298K |
|
|
FLG
3114
Flagstar Bank National Association
FLG
$5.89B
| $296K | ﹤0.01% |
+27,926
| New | +$319K |
|
|
VNET
3115
CALL
VNET Group
VNET
$2.14B
| $296K | ﹤0.01% |
42,900
-48,000
| -53% | -$287K |
|
3116
PUT
ACV Auctions
ACVA
$1.27B
| $294K | ﹤0.01% |
18,100
-1,200
| -6% | -$18.7K |
|
3117
CALL
IMAX
IMAX
$2.77B
| $294K | ﹤0.01% |
10,500
-1,900
| -15% | -$49.3K |
|
3118
CALL
B2Gold
BTG
$6.7B
| $292K | ﹤0.01% |
+81,000
| New | +$266K |
|
3119
PUT
Quantum-Si Incorporated
QSI
$179M
| $292K | ﹤0.01% |
149,000
-45,300
| -23% | -$67K |
|
|
HIVE
3120
CALL
HIVE Digital Technologies
HIVE
$725M
| $292K | ﹤0.01% |
162,100
+7,500
| +5% | +$13.2K |
|
3121
PUT
Horizon Technology Finance
HRZN
$328M
| $292K | ﹤0.01% |
40,500
+15,900
| +65% | +$124K |
|
3122
CALL
AvePoint
AVPT
$2.78B
| $290K | ﹤0.01% |
+15,000
| New | +$260K |
|
|
APLS
3123
PUT
DELISTED
Apellis Pharmaceuticals
APLS
| $289K | ﹤0.01% |
16,700
+6,100
| +58% | +$113K |
|
3124
CALL
Target Hospitality
TH
$1.66B
| $288K | ﹤0.01% |
40,500
-37,800
| -48% | -$263K |
|
|
LAZR
3125
PUT
DELISTED
Luminar Technologies
LAZR
| $287K | ﹤0.01% |
100,100
-2,800
| -3% | -$10.6K |
|
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.