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 |
Invesco QQQ Trust
QQQ
|
+$203M |
| 2 |
JD.com
JD
|
+$105M |
| 3 |
Boeing
BA
|
+$105M |
| 4 |
Applovin
APP
|
+$93.6M |
| 5 |
Netflix
NFLX
|
+$81.3M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Apple
AAPL
|
+$167M |
| 2 |
State Street Financial Select Sector SPDR ETF
XLF
|
+$146M |
| 3 |
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$135M |
| 4 |
Pinduoduo
PDD
|
+$128M |
| 5 |
Palantir
PLTR
|
+$108M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Consumer Discretionary | 0.39% |
| 2 | Technology | 0.33% |
| 3 | Communication Services | 0.22% |
| 4 | Industrials | 0.16% |
| 5 | Financials | 0.14% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
1451
CALL
Canadian Natural Resources
CNQ
$98.1B
| $5.97M | ﹤0.01% |
186,900
-98,900
| -35% | -$3.1M |
|
|
SHNY
1452
PUT
DELISTED
Direxion Daily Silver Miners Index Bull 2X Shares
SHNY
| $5.92M | ﹤0.01% |
353,800
-303,900
| -46% | -$5.08M |
|
1453
CALL
BWX Technologies
BWXT
$15.8B
| $5.92M | ﹤0.01% |
32,100
-20,700
| -39% | -$3.33M |
|
|
SA
1454
CALL
Seabridge Gold
SA
$3.5B
| $5.91M | ﹤0.01% |
244,800
+142,800
| +140% | +$2.47M |
|
1455
Credo Technology Group
CRDO
$49.6B
| $5.91M | ﹤0.01% |
40,575
+13,171
| +48% | +$1.61M |
|
1456
Bath & Body Works
BBWI
$3.76B
| $5.9M | ﹤0.01% |
+228,971
| New | +$6.79M |
|
1457
PUT
Aehr Test Systems
AEHR
$4.02B
| $5.9M | ﹤0.01% |
195,800
+105,200
| +116% | +$2.28M |
|
1458
CALL
Keysight
KEYS
$60.6B
| $5.89M | ﹤0.01% |
33,700
+4,700
| +16% | +$783K |
|
1459
CALL
Iron Mountain
IRM
$37B
| $5.89M | ﹤0.01% |
57,800
-12,600
| -18% | -$1.21M |
|
1460
CALL
Pagaya Technologies
PGY
$1.79B
| $5.89M | ﹤0.01% |
198,400
+96,700
| +95% | +$3.12M |
|
1461
SLB Ltd
SLB
$77.3B
| $5.89M | ﹤0.01% |
171,329
+108,443
| +172% | +$3.77M |
|
1462
CALL
Fluence Energy
FLNC
$2.44B
| $5.89M | ﹤0.01% |
545,200
+260,800
| +92% | +$2.18M |
|
1463
Oscar Health
OSCR
$9.5B
| $5.89M | ﹤0.01% |
310,905
-37,809
| -11% | -$623K |
|
|
1464
PUT
Iron Mountain
IRM
$37B
| $5.85M | ﹤0.01% |
57,400
-23,900
| -29% | -$2.3M |
|
1465
Global X S&P 500 Covered Call ETF
XYLD
$3.28B
| $5.85M | ﹤0.01% |
+148,898
| New | +$5.81M |
|
1466
PUT
dLocal
DLO
$4.34B
| $5.83M | ﹤0.01% |
408,000
+322,300
| +376% | +$4.1M |
|
1467
Blackstone
BX
$112B
| $5.81M | ﹤0.01% |
+34,001
| New | +$5.83M |
|
1468
CALL
Lumen
LUMN
$6.6B
| $5.81M | ﹤0.01% |
948,800
+122,500
| +15% | +$588K |
|
1469
Delta Air Lines
DAL
$60B
| $5.8M | ﹤0.01% |
102,212
-108,079
| -51% | -$6.17M |
|
1470
PUT
Raymond James Financial
RJF
$34.9B
| $5.78M | ﹤0.01% |
33,500
+15,800
| +89% | +$2.62M |
|
1471
PUT
Keurig Dr Pepper
KDP
$42.3B
| $5.78M | ﹤0.01% |
226,500
+198,600
| +712% | +$6.22M |
|
1472
PUT
Alpha Metallurgical Resources
AMR
$1.97B
| $5.78M | ﹤0.01% |
35,200
-15,600
| -31% | -$2.16M |
|
1473
PUT
Proshares UltraShort Technology
REW
$3.67M
| $5.77M | ﹤0.01% |
90,000
-425,850
| -83% | -$11.5M |
|
1474
Cognex
CGNX
$10.4B
| $5.76M | ﹤0.01% |
+127,168
| New | +$5.14M |
|
1475
PUT
Ameriprise Financial
AMP
$49.9B
| $5.75M | ﹤0.01% |
+11,700
| New | +$6M |
|
Similar funds
IMC Chicago's Q3 2025 Portfolio in Review
As of Q3 2025, IMC Chicago held 4,045 positions worth $275B, up 22% from $225B the previous quarter. Its ten largest holdings account for 38% of the portfolio.
IMC Chicago deployed $23.7B of net new capital in Q3 2025, opening 783 new positions and adding to 1,843 existing holdings. Its largest new stake was Netflix: 666,120 shares worth $79.9M.
By sector, the portfolio is most concentrated in Consumer Discretionary at 0.39% of assets, up from 0.25% a quarter earlier, followed by Technology and Communication Services.
On the sell side, the largest reduction was State Street SPDR Dow Jones Industrial Average ETF Trust, an estimated $135M trimmed.
- IMC Chicago's largest Q3 2025 buy was Netflix: 666,120 shares worth $79.9M.
- IMC Chicago added most to Invesco QQQ Trust in Q3 2025, an estimated $203M increase.
- IMC Chicago's biggest Q3 2025 reduction was State Street SPDR Dow Jones Industrial Average ETF Trust, cutting an estimated $135M.
- IMC Chicago fully exited Apple in Q3 2025, selling an estimated $167M.
- IMC Chicago's ten largest holdings make up 38% of its $275B portfolio in Q3 2025.
- IMC Chicago opened 783 new positions and closed 492 in Q3 2025.
- IMC Chicago's portfolio value rose 22% quarter-over-quarter to $275B.
Based on IMC Chicago's 13F filing for Q3 2025, filed 4 Nov 2025.