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 | |
|---|---|---|---|---|---|---|
2801
CALL
LKQ Corp
LKQ
$6.38B
| $559K | ﹤0.01% |
15,100
-68,100
| -82% | -$2.72M |
|
|
LAZR
2802
CALL
DELISTED
Luminar Technologies
LAZR
| $557K | ﹤0.01% |
194,200
-41,400
| -18% | -$157K |
|
2803
CALL
Vodafone
VOD
$37.5B
| $556K | ﹤0.01% |
52,200
-10,700
| -17% | -$104K |
|
2804
ASP Isotopes
ASPI
$539M
| $554K | ﹤0.01% |
+75,277
| New | +$505K |
|
2805
CALL
FLEX LNG
FLNG
$1.64B
| $554K | ﹤0.01% |
25,200
+13,400
| +114% | +$314K |
|
2806
CALL
Braze
BRZE
$3.36B
| $554K | ﹤0.01% |
19,700
| – | – |
|
2807
PUT
Bitdeer Technologies
BTDR
$2.38B
| $553K | ﹤0.01% |
48,200
-3,600
| -7% | -$41.6K |
|
2808
Steven Madden
SHOO
$3.46B
| $553K | ﹤0.01% |
+23,061
| New | +$541K |
|
2809
PUT
Finance of America Companies
FOA
$206M
| $553K | ﹤0.01% |
+23,700
| New | +$499K |
|
2810
CALL
DoubleVerify
DV
$2.04B
| $549K | ﹤0.01% |
36,700
-9,300
| -20% | -$127K |
|
|
AMRN
2811
CALL
Amarin Corp
AMRN
$299M
| $547K | ﹤0.01% |
+33,700
| New | +$379K |
|
|
HSAI
2812
PUT
Hesai Group
HSAI
$3.03B
| $547K | ﹤0.01% |
+24,900
| New | +$438K |
|
2813
BCE
BCE
$21.7B
| $545K | ﹤0.01% |
+24,577
| New | +$538K |
|
2814
PUT
Sarepta Therapeutics
SRPT
$1.95B
| $542K | ﹤0.01% |
31,700
+3,500
| +12% | +$149K |
|
2815
Viking Therapeutics
VKTX
$3.84B
| $541K | ﹤0.01% |
+20,398
| New | +$537K |
|
2816
CALL
Vista Energy
VIST
$7.33B
| $540K | ﹤0.01% |
+11,300
| New | +$535K |
|
|
HBI
2817
CALL
DELISTED
Hanesbrands
HBI
| $540K | ﹤0.01% |
117,900
+4,500
| +4% | +$21.7K |
|
|
FYBR
2818
CALL
DELISTED
Frontier Communications
FYBR
| $539K | ﹤0.01% |
+14,800
| New | +$537K |
|
2819
ProShares UltraShort Silver
ZSL
$58.6M
| $538K | ﹤0.01% |
+2,084
| New | +$628K |
|
2820
Enbridge
ENB
$112B
| $538K | ﹤0.01% |
+11,870
| New | +$538K |
|
2821
McEwen Inc
MUX
$1.14B
| $537K | ﹤0.01% |
55,854
+17,419
| +45% | +$142K |
|
|
HAPN
2822
CALL
Happen Inc
HAPN
$2.27B
| $537K | ﹤0.01% |
44,600
-5,600
| -11% | -$58.2K |
|
|
AMRN
2823
PUT
Amarin Corp
AMRN
$299M
| $534K | ﹤0.01% |
+32,900
| New | +$370K |
|
2824
ETRACS 2x Leveraged US Growth Factor TR ETN
IWFL
$18.5M
| $533K | ﹤0.01% |
+11,157
| New | +$444K |
|
2825
CALL
Ericsson
ERIC
$33.6B
| $532K | ﹤0.01% |
62,700
-32,800
| -34% | -$270K |
|
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.