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 | |
|---|---|---|---|---|---|---|
2276
CALL
Innovative Industrial Properties
IIPR
$1.67B
| $1.36M | ﹤0.01% |
24,600
-4,900
| -17% | -$268K |
|
2277
PUT
Viking Therapeutics
VKTX
$3.97B
| $1.36M | ﹤0.01% |
+51,200
| New | +$1.35M |
|
|
VSXY
2278
Victoria's Secret
VSXY
$7.39B
| $1.35M | ﹤0.01% |
73,132
-165,722
| -69% | -$3.24M |
|
2279
Clover Health Investments
CLOV
$2.41B
| $1.35M | ﹤0.01% |
484,641
+292,090
| +152% | +$960K |
|
2280
PUT
Harrow
HROW
$1.48B
| $1.35M | ﹤0.01% |
44,200
-2,500
| -5% | -$67.2K |
|
2281
Invesco CurrencyShares Euro Currency Trust
FXE
$340M
| $1.35M | ﹤0.01% |
+12,369
| New | +$1.29M |
|
2282
Logitech
LOGI
$14.8B
| $1.34M | ﹤0.01% |
+14,882
| New | +$1.21M |
|
2283
PUT
Academy Sports + Outdoors
ASO
$3.05B
| $1.34M | ﹤0.01% |
29,900
+7,600
| +34% | +$315K |
|
2284
CALL
Ameren
AEE
$30.1B
| $1.33M | ﹤0.01% |
13,900
+3,900
| +39% | +$379K |
|
2285
QuantumScape Corp
QS
$3.79B
| $1.33M | ﹤0.01% |
198,423
+64,107
| +48% | +$271K |
|
2286
CALL
Arbor Realty Trust
ABR
$974M
| $1.33M | ﹤0.01% |
124,200
+66,700
| +116% | +$702K |
|
2287
CALL
Telephone and Data Systems
TDS
$4.03B
| $1.32M | ﹤0.01% |
37,200
-16,800
| -31% | -$590K |
|
2288
Elastic
ESTC
$8.94B
| $1.32M | ﹤0.01% |
+15,673
| New | +$1.32M |
|
2289
ACM Research
ACMR
$5.65B
| $1.32M | ﹤0.01% |
50,877
+22,515
| +79% | +$506K |
|
2290
Chewy
CHWY
$9.15B
| $1.32M | ﹤0.01% |
30,899
-64,060
| -67% | -$2.55M |
|
2291
Urban Outfitters
URBN
$6.63B
| $1.32M | ﹤0.01% |
+18,149
| New | +$1.09M |
|
2292
Navitas Semiconductor
NVTS
$3.57B
| $1.32M | ﹤0.01% |
+200,903
| New | +$774K |
|
2293
PUT
C.H. Robinson
CHRW
$17.1B
| $1.31M | ﹤0.01% |
+13,700
| New | +$1.28M |
|
2294
American Eagle Outfitters
AEO
$2.72B
| $1.31M | ﹤0.01% |
+136,519
| New | +$1.47M |
|
|
TSSI
2295
PUT
TSS Inc
TSSI
$336M
| $1.31M | ﹤0.01% |
+45,500
| New | +$598K |
|
2296
CALL
Gen Digital
GEN
$17.7B
| $1.31M | ﹤0.01% |
44,500
+26,700
| +150% | +$730K |
|
2297
PUT
Chemours
CC
$2.29B
| $1.3M | ﹤0.01% |
113,800
+43,500
| +62% | +$490K |
|
2298
ProShares Ultra Russell2000
UWM
$248M
| $1.3M | ﹤0.01% |
34,590
-37,365
| -52% | -$1.24M |
|
2299
PUT
Boyd Gaming
BYD
$6.03B
| $1.3M | ﹤0.01% |
16,600
-5,300
| -24% | -$378K |
|
|
ETOR
2300
CALL
eToro Group
ETOR
$2.3B
| $1.3M | ﹤0.01% |
+19,500
| New | +$1.26M |
|
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.