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 | |
|---|---|---|---|---|---|---|
1551
PUT
BellRing Brands
BRBR
$1.26B
| $3.94M | ﹤0.01% |
+68,000
| New | +$4.54M |
|
1552
Cheniere Energy
LNG
$55B
| $3.94M | ﹤0.01% |
+16,175
| New | +$3.75M |
|
1553
CALL
Acuity Brands
AYI
$10.8B
| $3.94M | ﹤0.01% |
+13,200
| New | +$3.42M |
|
1554
iPath Series B S&P 500 VIX Mid-Term Futures ETN
VXZ
$30.5M
| $3.94M | ﹤0.01% |
67,341
+10,105
| +18% | +$610K |
|
1555
CALL
Dropbox
DBX
$7.31B
| $3.93M | ﹤0.01% |
137,500
-120,200
| -47% | -$3.4M |
|
1556
PUT
Planet Fitness
PLNT
$3.71B
| $3.93M | ﹤0.01% |
36,000
+12,000
| +50% | +$1.2M |
|
1557
PUT
Boot Barn
BOOT
$4.92B
| $3.92M | ﹤0.01% |
25,800
-11,200
| -30% | -$1.49M |
|
1558
PUT
Steel Dynamics
STLD
$37.7B
| $3.92M | ﹤0.01% |
30,600
+2,900
| +10% | +$370K |
|
1559
CALL
Comstock Resources
CRK
$3.99B
| $3.89M | ﹤0.01% |
140,700
+14,500
| +11% | +$330K |
|
1560
PUT
Under Armour
UAA
$2.3B
| $3.87M | ﹤0.01% |
566,500
+300,500
| +113% | +$1.87M |
|
1561
PUT
YPF Sociedad Anonima American Depositary Shares (Each representing ten (10) Class D shares of Capital Stock)
YPF
$19.4B
| $3.87M | ﹤0.01% |
123,000
-32,600
| -21% | -$1.09M |
|
1562
PUT
Cencora
COR
$59.2B
| $3.87M | ﹤0.01% |
12,900
-11,900
| -48% | -$3.43M |
|
1563
CALL
PennyMac Financial
PFSI
$4B
| $3.86M | ﹤0.01% |
38,700
+4,900
| +14% | +$475K |
|
1564
PUT
Novartis
NVS
$288B
| $3.85M | ﹤0.01% |
31,800
-7,400
| -19% | -$834K |
|
1565
PUT
CRH
CRH
$65.2B
| $3.85M | ﹤0.01% |
41,900
+9,100
| +28% | +$830K |
|
1566
PUT
QuantumScape Corp
QS
$3.79B
| $3.84M | ﹤0.01% |
571,200
+272,900
| +91% | +$1.15M |
|
1567
CALL
Argan
AGX
$7.84B
| $3.84M | ﹤0.01% |
17,400
+500
| +3% | +$90.1K |
|
1568
PUT
Macy's
M
$6.26B
| $3.83M | ﹤0.01% |
328,900
+71,700
| +28% | +$831K |
|
1569
PUT
Valaris
VAL
$5.91B
| $3.82M | ﹤0.01% |
90,800
+25,000
| +38% | +$940K |
|
1570
CALL
Unilever
UL
$135B
| $3.81M | ﹤0.01% |
55,378
+13,067
| +31% | +$917K |
|
1571
CALL
Deutsche Bank
DB
$72.1B
| $3.81M | ﹤0.01% |
130,000
-136,700
| -51% | -$3.61M |
|
|
TTAN
1572
PUT
ServiceTitan Inc
TTAN
$8.94B
| $3.79M | ﹤0.01% |
+35,400
| New | +$3.96M |
|
1573
PUT
Consolidated Edison
ED
$39.9B
| $3.79M | ﹤0.01% |
37,800
+21,500
| +132% | +$2.28M |
|
1574
PUT
Huntington Ingalls Industries
HII
$12.8B
| $3.79M | ﹤0.01% |
15,700
| – | – |
|
1575
PUT
Boston Properties
BXP
$10.8B
| $3.79M | ﹤0.01% |
56,100
+4,900
| +10% | +$326K |
|
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.