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 | |
|---|---|---|---|---|---|---|
|
VISN
2176
CALL
Vistance Networks Inc
VISN
$2.62B
| $1.58M | ﹤0.01% |
191,000
+24,700
| +15% | +$129K |
|
2177
PUT
SSR Mining
SSRM
$6.49B
| $1.58M | ﹤0.01% |
124,000
-9,700
| -7% | -$109K |
|
2178
PUT
Summit Therapeutics
SMMT
$11.2B
| $1.57M | ﹤0.01% |
+73,900
| New | +$1.69M |
|
2179
CALL
Ingersoll Rand
IR
$32.9B
| $1.57M | ﹤0.01% |
18,900
-2,400
| -11% | -$189K |
|
2180
PUT
Plug Power
PLUG
$3.21B
| $1.57M | ﹤0.01% |
1,055,100
+104,300
| +11% | +$104K |
|
|
EMBJ
2181
CALL
Embraer S.A. ADS
EMBJ
$13.2B
| $1.57M | ﹤0.01% |
27,600
-15,800
| -36% | -$746K |
|
2182
Apollo Global Management
APO
$81.9B
| $1.57M | ﹤0.01% |
+11,055
| New | +$1.47M |
|
2183
CALL
Sarepta Therapeutics
SRPT
$1.94B
| $1.57M | ﹤0.01% |
91,700
+54,000
| +143% | +$2.3M |
|
2184
CALL
Vipshop
VIPS
$6.94B
| $1.57M | ﹤0.01% |
104,100
+5,300
| +5% | +$75K |
|
2185
CALL
DTE Energy
DTE
$28.9B
| $1.56M | ﹤0.01% |
11,800
+600
| +5% | +$80.7K |
|
2186
Equinox Gold
EQX
$13.1B
| $1.56M | ﹤0.01% |
271,210
+133,746
| +97% | +$869K |
|
2187
PUT
Birkenstock
BIRK
$7.54B
| $1.56M | ﹤0.01% |
31,700
+2,100
| +7% | +$108K |
|
2188
PUT
Innovative Industrial Properties
IIPR
$1.67B
| $1.56M | ﹤0.01% |
28,200
+7,300
| +35% | +$400K |
|
2189
PUT
Arch Capital
ACGL
$33.2B
| $1.56M | ﹤0.01% |
+17,100
| New | +$1.58M |
|
2190
CALL
Modine Manufacturing
MOD
$10.6B
| $1.56M | ﹤0.01% |
15,800
+1,100
| +7% | +$98.2K |
|
2191
State Street SPDR S&P Biotech ETF
XBI
$10.3B
| $1.55M | ﹤0.01% |
18,732
-55,522
| -75% | -$4.43M |
|
2192
Pitney Bowes
PBI
$2.28B
| $1.55M | ﹤0.01% |
142,220
-32,164
| -18% | -$303K |
|
2193
PUT
Albertsons Companies
ACI
$5.83B
| $1.55M | ﹤0.01% |
72,100
+16,100
| +29% | +$350K |
|
2194
PUT
Helen of Troy
HELE
$696M
| $1.55M | ﹤0.01% |
54,600
+34,700
| +174% | +$1.07M |
|
2195
Teva Pharmaceuticals
TEVA
$42.6B
| $1.54M | ﹤0.01% |
92,126
+20,170
| +28% | +$325K |
|
|
PONY
2196
PUT
Pony AI Inc
PONY
$3.62B
| $1.53M | ﹤0.01% |
+116,200
| New | +$1.4M |
|
2197
Global E Online
GLBE
$7.09B
| $1.53M | ﹤0.01% |
45,566
+21,098
| +86% | +$712K |
|
2198
PUT
Digital Turbine
APPS
$1.53B
| $1.53M | ﹤0.01% |
258,600
+43,900
| +20% | +$180K |
|
2199
PG&E
PCG
$38.5B
| $1.53M | ﹤0.01% |
109,402
-14,421
| -12% | -$235K |
|
2200
PUT
Vanguard High Dividend Yield ETF
VYM
$84.2B
| $1.52M | ﹤0.01% |
11,400
-300
| -3% | -$38K |
|
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.