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 | |
|---|---|---|---|---|---|---|
551
PUT
Nucor
NUE
$61.9B
| $36.6M | 0.01% |
269,900
+63,500
| +31% | +$8.99M |
|
552
CALL
Microchip Technology
MCHP
$44B
| $36.5M | 0.01% |
568,100
-92,900
| -14% | -$6.3M |
|
553
PUT
3M
MMM
$94.4B
| $36.4M | 0.01% |
234,600
+45,300
| +24% | +$6.98M |
|
554
CALL
FTAI Aviation
FTAI
$23.2B
| $36.1M | 0.01% |
216,500
+600
| +0.3% | +$85.3K |
|
555
PUT
Expedia Group
EXPE
$38.5B
| $36.1M | 0.01% |
169,000
-21,400
| -11% | -$4.3M |
|
556
CALL
Howmet Aerospace
HWM
$112B
| $36.1M | 0.01% |
184,000
+14,400
| +8% | +$2.62M |
|
557
PUT
Live Nation Entertainment
LYV
$42.7B
| $36M | 0.01% |
220,400
+21,000
| +11% | +$3.32M |
|
558
PUT
Align Technology
ALGN
$12.3B
| $36M | 0.01% |
287,500
+115,500
| +67% | +$18.1M |
|
559
CALL
Core Scientific
CORZ
$6.35B
| $35.9M | 0.01% |
2,003,300
-653,400
| -25% | -$9.58M |
|
560
PUT
Altria Group
MO
$109B
| $35.9M | 0.01% |
543,200
+121,600
| +29% | +$7.7M |
|
561
CALL
Cameco
CCJ
$43B
| $35.8M | 0.01% |
427,400
-107,300
| -20% | -$8.32M |
|
562
PUT
Enphase Energy
ENPH
$5.59B
| $35.8M | 0.01% |
1,010,800
-456,300
| -31% | -$17M |
|
563
CALL
Chubb
CB
$134B
| $35.7M | 0.01% |
126,600
+22,400
| +21% | +$6.16M |
|
564
PUT
D.R. Horton
DHI
$42.2B
| $35.7M | 0.01% |
210,800
+40,200
| +24% | +$6.32M |
|
565
CALL
Automatic Data Processing
ADP
$108B
| $35.7M | 0.01% |
121,700
+50,800
| +72% | +$15.3M |
|
566
PUT
Autodesk
ADSK
$53.1B
| $35.6M | 0.01% |
112,100
+4,100
| +4% | +$1.25M |
|
567
CALL
D-Wave Quantum Inc. Common Stock
QBTS
$7.53B
| $35.3M | 0.01% |
1,430,500
+297,400
| +26% | +$5.42M |
|
|
568
CALL
Nucor
NUE
$61.9B
| $35.3M | 0.01% |
260,800
-16,200
| -6% | -$2.29M |
|
569
Wynn Resorts
WYNN
$10.8B
| $35.3M | 0.01% |
+275,077
| New | +$31.8M |
|
570
Vertiv
VRT
$108B
| $34.9M | 0.01% |
231,663
+60,259
| +35% | +$8.04M |
|
571
CALL
Kroger
KR
$34.5B
| $34.9M | 0.01% |
518,100
-100,000
| -16% | -$6.96M |
|
572
CALL
Southern Company
SO
$106B
| $34.9M | 0.01% |
368,500
+14,900
| +4% | +$1.39M |
|
573
PUT
Amer Sports
AS
$19.7B
| $34.8M | 0.01% |
+1,001,300
| New | +$37.8M |
|
|
574
CALL
Altria Group
MO
$109B
| $34.7M | 0.01% |
526,000
-7,100
| -1% | -$450K |
|
575
PUT
Marriott International
MAR
$91.1B
| $34.7M | 0.01% |
133,400
+26,400
| +25% | +$7.09M |
|
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.