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 | |
|---|---|---|---|---|---|---|
1851
CALL
Camtek
CAMT
$7.54B
| $2.48M | ﹤0.01% |
29,300
+11,700
| +66% | +$789K |
|
1852
PUT
Knight Transportation
KNX
$11.9B
| $2.48M | ﹤0.01% |
56,000
+39,400
| +237% | +$1.68M |
|
1853
Zillow
Z
$7.84B
| $2.48M | ﹤0.01% |
35,355
+14,504
| +70% | +$977K |
|
1854
CALL
iShares MSCI USA Momentum Factor ETF
MTUM
$26.1B
| $2.48M | ﹤0.01% |
10,300
-4,700
| -31% | -$1.03M |
|
1855
Norwegian Cruise Line
NCLH
$8.81B
| $2.47M | ﹤0.01% |
121,707
+32,583
| +37% | +$583K |
|
1856
PUT
abrdn Physical Palladium Shares ETF
PALL
$652M
| $2.46M | ﹤0.01% |
+122,500
| New | +$2.21M |
|
1857
PUT
Dominion Energy
D
$60.6B
| $2.46M | ﹤0.01% |
43,600
-1,100
| -2% | -$60.3K |
|
|
SA
1858
PUT
Seabridge Gold
SA
$3.61B
| $2.46M | ﹤0.01% |
169,600
-14,500
| -8% | -$184K |
|
1859
PUT
Atlas Energy Solutions
AESI
$1.54B
| $2.46M | ﹤0.01% |
+183,700
| New | +$2.51M |
|
1860
CALL
Red Cat Holdings
RCAT
$1.68B
| $2.45M | ﹤0.01% |
336,500
-138,100
| -29% | -$902K |
|
1861
Doximity
DOCS
$4.45B
| $2.44M | ﹤0.01% |
+39,710
| New | +$2.22M |
|
|
EXAS
1862
PUT
DELISTED
Exact Sciences
EXAS
| $2.42M | ﹤0.01% |
45,600
+27,600
| +153% | +$1.4M |
|
1863
CALL
Harmony Gold Mining
HMY
$12.1B
| $2.42M | ﹤0.01% |
173,400
+17,700
| +11% | +$268K |
|
1864
CALL
Eastman Chemical
EMN
$8.45B
| $2.42M | ﹤0.01% |
32,400
-6,100
| -16% | -$479K |
|
1865
PUT
Molson Coors Class B
TAP
$7.91B
| $2.41M | ﹤0.01% |
50,100
+16,300
| +48% | +$898K |
|
1866
Wayfair
W
$14B
| $2.4M | ﹤0.01% |
47,022
-151,851
| -76% | -$5.67M |
|
1867
PUT
StoneCo
STNE
$2.33B
| $2.4M | ﹤0.01% |
149,700
-28,400
| -16% | -$379K |
|
1868
PUT
BlackLine
BL
$1.77B
| $2.4M | ﹤0.01% |
42,400
+26,900
| +174% | +$1.39M |
|
|
1869
Atlas Energy Solutions
AESI
$1.54B
| $2.4M | ﹤0.01% |
+179,340
| New | +$2.45M |
|
|
QXO
1870
QXO Inc
QXO
$15.6B
| $2.39M | ﹤0.01% |
111,126
-2,999
| -3% | -$49.2K |
|
1871
CALL
Vanguard Short-Term Treasury ETF
VGSH
$30.3B
| $2.39M | ﹤0.01% |
27,400
+5,500
| +25% | +$322K |
|
1872
PUT
Vital Farms
VITL
$471M
| $2.39M | ﹤0.01% |
62,000
+23,300
| +60% | +$786K |
|
1873
CALL
Rambus
RMBS
$10.8B
| $2.39M | ﹤0.01% |
37,300
+13,500
| +57% | +$723K |
|
1874
Direxion Daily 20+ Year Treasury Bear 3X ETF
TMV
$196M
| $2.39M | ﹤0.01% |
64,638
+37,668
| +140% | +$1.46M |
|
1875
CALL
Clear Secure
YOU
$4.68B
| $2.39M | ﹤0.01% |
86,000
-29,900
| -26% | -$762K |
|
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.