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 | |
|---|---|---|---|---|---|---|
3026
PUT
Antero Midstream
AM
$10.6B
| $364K | ﹤0.01% |
19,200
-56,200
| -75% | -$1M |
|
3027
CALL
Chegg
CHGG
$92.6M
| $362K | ﹤0.01% |
+299,200
| New | +$277K |
|
3028
PUT
BorgWarner
BWA
$14.2B
| $362K | ﹤0.01% |
10,800
-16,900
| -61% | -$518K |
|
|
SMST
3029
CALL
Defiance Daily Target 2x Short MSTR ETF
SMST
$27.1M
| $361K | ﹤0.01% |
+15,100
| New | +$548K |
|
3030
PUT
Tanger
SKT
$4.44B
| $361K | ﹤0.01% |
+11,800
| New | +$362K |
|
3031
Bumble
BMBL
$356M
| $361K | ﹤0.01% |
54,742
-117,844
| -68% | -$595K |
|
|
USAR
3032
PUT
USA Rare Earth Inc
USAR
$4.55B
| $358K | ﹤0.01% |
+32,700
| New | +$347K |
|
3033
CALL
Sabre
SABR
$791M
| $358K | ﹤0.01% |
113,300
+4,000
| +4% | +$10.3K |
|
3034
PUT
Invesco
IVZ
$13.9B
| $358K | ﹤0.01% |
22,700
-19,300
| -46% | -$277K |
|
3035
Jack in the Box
JACK
$352M
| $355K | ﹤0.01% |
+20,322
| New | +$457K |
|
|
TGR
3036
CALL
DELISTED
ISHARES TARGET DATE RETIREMENT INCOME ETF
TGR
| $354K | ﹤0.01% |
+11,200
| New | +$354K |
|
|
AMDG
3037
Leverage Shares 2X Long AMD Daily ETF
AMDG
$29.6M
| $354K | ﹤0.01% |
+21,823
| New | +$221K |
|
3038
NovoCure
NVCR
$2.04B
| $352K | ﹤0.01% |
+19,770
| New | +$345K |
|
3039
CALL
Hawaiian Electric Industries
HE
$2.07B
| $352K | ﹤0.01% |
33,100
+12,500
| +61% | +$130K |
|
3040
Lightbridge
LTBR
$333M
| $350K | ﹤0.01% |
+26,203
| New | +$289K |
|
3041
CALL
abrdn Physical Gold Shares ETF
SGOL
$7.57B
| $350K | ﹤0.01% |
11,100
-100
| -0.9% | -$3.13K |
|
3042
PUT
Viatris
VTRS
$18.6B
| $350K | ﹤0.01% |
39,200
-9,600
| -20% | -$81.2K |
|
|
KEEL
3043
CALL
Keel Infrastructure Corp
KEEL
$2.24B
| $350K | ﹤0.01% |
416,000
-93,300
| -18% | -$86.2K |
|
3044
CALL
Gaotu Techedu
GOTU
$432M
| $349K | ﹤0.01% |
96,800
-28,700
| -23% | -$98.4K |
|
|
LX
3045
CALL
LexinFintech Holdings
LX
$241M
| $349K | ﹤0.01% |
+48,400
| New | +$376K |
|
3046
VanEck Bitcoin Trust
HODL
$1.06B
| $347K | ﹤0.01% |
+11,402
| New | +$318K |
|
3047
CALL
Kosmos Energy
KOS
$1.48B
| $347K | ﹤0.01% |
+201,900
| New | +$366K |
|
|
ETH
3048
Grayscale Ethereum Staking Mini ETF Shares
ETH
$1.73B
| $346K | ﹤0.01% |
+14,606
| New | +$302K |
|
3049
CALL
Green Plains
GPRE
$1.06B
| $346K | ﹤0.01% |
+57,400
| New | +$253K |
|
3050
CALL
Infosys
INFY
$49.6B
| $345K | ﹤0.01% |
18,600
-31,800
| -63% | -$568K |
|
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.