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 | |
|---|---|---|---|---|---|---|
101
CALL
Spotify
SPOT
$105B
| $327M | 0.12% |
468,800
+28,800
| +7% | +$20.1M |
|
102
PUT
GE Vernova
GEV
$264B
| $326M | 0.12% |
529,700
+239,300
| +82% | +$145M |
|
103
CALL
PayPal
PYPL
$50.5B
| $325M | 0.12% |
4,845,100
+1,459,100
| +43% | +$103M |
|
104
CALL
Snowflake
SNOW
$116B
| $315M | 0.11% |
1,398,300
-24,100
| -2% | -$5.18M |
|
105
CALL
Visa
V
$675B
| $315M | 0.11% |
923,100
+130,300
| +16% | +$45.1M |
|
106
PUT
Mercado Libre
MELI
$92.5B
| $308M | 0.11% |
131,800
+40,200
| +44% | +$96.5M |
|
|
UWC
107
PUT
DELISTED
PROSHARES TR ULTRA RUSSELL3000
UWC
| $308M | 0.11% |
2,967,800
+25,000
| +0.8% | +$2.59M |
|
108
CALL
ServiceNow
NOW
$132B
| $308M | 0.11% |
1,671,500
+242,500
| +17% | +$45.3M |
|
|
109
PUT
Visa
V
$675B
| $307M | 0.11% |
900,300
-73,900
| -8% | -$25.6M |
|
110
CALL
IBM
IBM
$223B
| $306M | 0.11% |
1,083,100
+447,500
| +70% | +$117M |
|
111
iShares Bitcoin Trust
IBIT
$47.6B
| $303M | 0.11% |
4,654,029
+522,019
| +13% | +$34M |
|
112
PUT
Vertiv
VRT
$104B
| $300M | 0.11% |
1,987,200
+924,100
| +87% | +$123M |
|
|
113
PUT
PayPal
PYPL
$50.5B
| $294M | 0.11% |
4,379,100
+2,588,700
| +145% | +$182M |
|
114
PUT
Shopify
SHOP
$200B
| $290M | 0.11% |
1,952,200
+296,200
| +18% | +$40.2M |
|
115
CALL
Uber
UBER
$159B
| $286M | 0.1% |
2,922,200
-157,300
| -5% | -$14.7M |
|
|
116
CALL
Shopify
SHOP
$200B
| $286M | 0.1% |
1,926,100
+359,200
| +23% | +$48.7M |
|
117
CALL
Intuit
INTU
$91.5B
| $281M | 0.1% |
411,500
+4,200
| +1% | +$3.03M |
|
118
CALL
Home Depot
HD
$350B
| $281M | 0.1% |
693,000
+79,400
| +13% | +$31.2M |
|
119
PUT
Baidu
BIDU
$37.1B
| $276M | 0.1% |
2,094,900
+1,097,700
| +110% | +$109M |
|
120
CALL
Synopsys
SNPS
$78.8B
| $275M | 0.1% |
556,500
+455,900
| +453% | +$258M |
|
|
121
CALL
GE Vernova
GEV
$264B
| $273M | 0.1% |
443,800
+55,100
| +14% | +$33.4M |
|
122
PUT
State Street SPDR NYSE Technology ETF
XNTK
$2.22B
| $271M | 0.1% |
3,484,300
+300,300
| +9% | +$74M |
|
123
PUT
State Street Materials Select Sector SPDR ETF
XLB
$8.71B
| $259M | 0.09% |
6,025,600
-309,200
| -5% | -$14M |
|
|
124
PUT
Home Depot
HD
$350B
| $258M | 0.09% |
637,600
+15,400
| +2% | +$6.06M |
|
125
PUT
Citigroup
C
$227B
| $258M | 0.09% |
2,539,400
+203,000
| +9% | +$19.3M |
|
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.