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 | Miscellaneous | 98.46% |
| 2 | Consumer Discretionary | 0.39% |
| 3 | Technology | 0.33% |
| 4 | Communication Services | 0.22% |
| 5 | Industrials | 0.16% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | Held Since | |
|---|---|---|---|---|---|---|---|
76
CALL
First Solar
FSLR
$19.1B
| $491M | 0.18% |
2,228,100
+281,600
| +14% | +$54.1M |
2020 Q3
20 quarters
|
|
77
CALL
Booking.com
BKNG
$120B
| $478M | 0.17% |
2,215,000
-685,000
| -24% | -$153M |
2018 Q4
27 quarters
|
|
|
78
CALL
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
$44.4B
| $477M | 0.17% |
1,029,000
-99,200
| -9% | -$44.7M |
2018 Q4
27 quarters
|
|
|
UWC
79
CALL
DELISTED
PROSHARES TR ULTRA RUSSELL3000
UWC
| $458M | 0.17% |
4,409,900
-323,200
| -7% | -$33.5M |
2021 Q4
15 quarters
|
|
80
CALL
Reddit
RDDT
$30.8B
| $453M | 0.16% |
1,967,600
+385,400
| +24% | +$78.7M |
2024 Q1
6 quarters
|
|
81
PUT
ServiceNow
NOW
$146B
| $447M | 0.16% |
2,426,000
+896,500
| +59% | +$167M |
2019 Q4
23 quarters
|
|
|
82
PUT
First Solar
FSLR
$19.1B
| $438M | 0.16% |
1,983,900
+681,500
| +52% | +$131M |
2019 Q4
23 quarters
|
|
83
CALL
Salesforce
CRM
$189B
| $430M | 0.16% |
1,813,100
+394,900
| +28% | +$99.6M |
2018 Q4
27 quarters
|
|
84
PUT
Carvana
CVNA
$45.9B
| $390M | 0.14% |
5,170,000
-908,500
| -15% | -$65M |
2020 Q3
20 quarters
|
|
85
CALL
Intel
INTC
$553B
| $384M | 0.14% |
11,451,500
+4,331,100
| +61% | +$105M |
2018 Q4
27 quarters
|
|
86
CALL
Direxion Daily S&P Oil & Gas Exp. & Prod. Bull 2X ETF
GUSH
$235M
| $377M | 0.14% |
9,677,200
+1,409,500
| +17% | +$33.3M |
2022 Q4
11 quarters
|
|
87
PUT
Intuit
INTU
$80.9B
| $377M | 0.14% |
551,500
+55,900
| +11% | +$40.3M |
2019 Q2
25 quarters
|
|
88
PUT
Marvell Technology
MRVL
$247B
| $375M | 0.14% |
4,465,300
+3,003,300
| +205% | +$221M |
2022 Q2
13 quarters
|
|
|
89
PUT
Pinduoduo
PDD
$116B
| $372M | 0.14% |
2,817,800
-309,700
| -10% | -$36.7M |
2020 Q1
22 quarters
|
|
90
CALL
Direxion Daily Technology Bull 3x ETF
TECL
$6.89B
| $365M | 0.13% |
7,402,800
-135,100
| -2% | -$14.2M |
2021 Q4
15 quarters
|
|
91
CALL
Baidu
BIDU
$29B
| $365M | 0.13% |
2,767,400
+1,604,500
| +138% | +$159M |
2018 Q4
27 quarters
|
|
92
CALL
lululemon athletica
LULU
$10.9B
| $363M | 0.13% |
2,042,900
+1,154,400
| +130% | +$231M |
2018 Q4
27 quarters
|
|
93
CALL
Caterpillar
CAT
$368B
| $355M | 0.13% |
744,500
+319,900
| +75% | +$137M |
2018 Q4
27 quarters
|
|
94
CALL
Palo Alto Networks
PANW
$343B
| $351M | 0.13% |
1,726,100
+478,200
| +38% | +$91.5M |
2018 Q4
27 quarters
|
|
|
95
PUT
Intel
INTC
$553B
| $350M | 0.13% |
10,425,000
+4,913,600
| +89% | +$119M |
2018 Q4
27 quarters
|
|
|
96
PUT
Reddit
RDDT
$30.8B
| $342M | 0.12% |
1,484,900
+536,900
| +57% | +$110M |
2024 Q1
6 quarters
|
|
|
97
PUT
Caterpillar
CAT
$368B
| $338M | 0.12% |
708,700
+188,500
| +36% | +$80.5M |
2018 Q4
27 quarters
|
|
|
98
PUT
Palo Alto Networks
PANW
$343B
| $333M | 0.12% |
1,637,800
+616,100
| +60% | +$118M |
2018 Q4
27 quarters
|
|
99
CALL
Arm
ARM
$284B
| $333M | 0.12% |
2,350,800
+31,100
| +1% | +$4.53M |
2023 Q3
8 quarters
|
|
|
100
PUT
Salesforce
CRM
$189B
| $330M | 0.12% |
1,393,900
+437,600
| +46% | +$110M |
2018 Q4
27 quarters
|
|
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's Q3 2025 filing shows 783 new, 1,843 increased, 923 reduced and 492 closed positions. Its largest new stake was Netflix: 666,120 shares worth $79.9M. The largest sale was Apple, an estimated $167M.
By sector, the portfolio is most concentrated in Miscellaneous at 98% of assets, down from 99% a quarter earlier, followed by Consumer Discretionary and Technology.
- 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.