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 | Miscellaneous | 98.86% |
| 2 | Technology | 0.32% |
| 3 | Consumer Discretionary | 0.25% |
| 4 | Healthcare | 0.13% |
| 5 | Communication Services | 0.1% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | Held Since | |
|---|---|---|---|---|---|---|---|
101
PUT
State Street Materials Select Sector SPDR ETF
XLB
$7.86B
| $264M | 0.12% |
6,334,800
+857,200
| +16% | +$36.3M |
2021 Q4
14 quarters
|
|
102
PUT
Salesforce
CRM
$189B
| $261M | 0.12% |
956,300
+185,000
| +24% | +$49.5M |
2018 Q4
26 quarters
|
|
103
PUT
Mastercard
MA
$516B
| $257M | 0.11% |
457,800
+122,800
| +37% | +$67.9M |
2018 Q4
26 quarters
|
|
104
CALL
Palo Alto Networks
PANW
$343B
| $255M | 0.11% |
1,247,900
+265,100
| +27% | +$49.2M |
2018 Q4
26 quarters
|
|
|
105
iShares Bitcoin Trust
IBIT
$65.9B
| $253M | 0.11% |
+4,132,010
| New | +$232M |
2025 Q2
0 quarters
|
|
106
CALL
PayPal
PYPL
$47.5B
| $252M | 0.11% |
3,386,000
+287,900
| +9% | +$19.7M |
2018 Q4
26 quarters
|
|
107
CALL
Lockheed Martin
LMT
$118B
| $250M | 0.11% |
539,200
+203,500
| +61% | +$95.3M |
2018 Q4
26 quarters
|
|
108
CALL
Direxion Daily S&P Oil & Gas Exp. & Prod. Bull 2X ETF
GUSH
$235M
| $248M | 0.11% |
8,267,700
+2,531,100
| +44% | +$53.2M |
2022 Q4
10 quarters
|
|
|
CRCL
109
PUT
Circle Internet Group
CRCL
$21.5B
| $247M | 0.11% |
+1,361,000
| New | +$222M |
2025 Q2
0 quarters
|
|
110
PUT
Uber
UBER
$146B
| $246M | 0.11% |
2,641,100
+82,200
| +3% | +$6.77M |
2019 Q2
24 quarters
|
|
|
UWC
111
PUT
DELISTED
PROSHARES TR ULTRA RUSSELL3000
UWC
| $246M | 0.11% |
2,942,800
-189,100
| -6% | -$15.8M |
2021 Q4
14 quarters
|
|
112
PUT
Mercado Libre
MELI
$95.8B
| $239M | 0.11% |
91,600
+1,000
| +1% | +$2.34M |
2021 Q3
15 quarters
|
|
113
CALL
Reddit
RDDT
$30.8B
| $238M | 0.11% |
1,582,200
+280,200
| +22% | +$31.8M |
2024 Q1
5 quarters
|
|
114
CALL
Pinduoduo
PDD
$116B
| $236M | 0.1% |
2,256,800
-2,456,900
| -52% | -$258M |
2020 Q1
21 quarters
|
|
115
PUT
Home Depot
HD
$290B
| $228M | 0.1% |
622,200
+189,200
| +44% | +$68.5M |
2018 Q4
26 quarters
|
|
116
PUT
iShares Morningstar Value ETF
ILCV
$1.35B
| $226M | 0.1% |
2,781,500
-926,900
| -25% | -$73.8M |
2021 Q4
14 quarters
|
|
|
117
CALL
Home Depot
HD
$290B
| $225M | 0.1% |
613,600
+121,900
| +25% | +$44.1M |
2018 Q4
26 quarters
|
|
118
CALL
Walt Disney
DIS
$187B
| $223M | 0.1% |
1,799,200
+354,700
| +25% | +$36.9M |
2018 Q4
26 quarters
|
|
119
CALL
Nike
NKE
$51.6B
| $223M | 0.1% |
3,140,700
+750,400
| +31% | +$45M |
2018 Q4
26 quarters
|
|
120
PUT
Arm
ARM
$284B
| $221M | 0.1% |
1,364,800
+276,600
| +25% | +$34.3M |
2023 Q3
7 quarters
|
|
121
PUT
State Street SPDR NYSE Technology ETF
XNTK
$2.11B
| $216M | 0.1% |
3,184,000
-491,100
| -13% | -$102M |
2021 Q4
14 quarters
|
|
122
PUT
First Solar
FSLR
$19.1B
| $216M | 0.1% |
1,302,400
+657,700
| +102% | +$97.1M |
2019 Q4
22 quarters
|
|
123
CALL
Citigroup
C
$217B
| $214M | 0.1% |
2,519,600
+541,200
| +27% | +$39.1M |
2018 Q4
26 quarters
|
|
124
CALL
lululemon athletica
LULU
$10.9B
| $211M | 0.09% |
888,500
+281,200
| +46% | +$77.5M |
2018 Q4
26 quarters
|
|
|
125
PUT
Palo Alto Networks
PANW
$343B
| $209M | 0.09% |
1,021,700
-211,300
| -17% | -$39.2M |
2018 Q4
26 quarters
|
|
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's Q2 2025 filing shows 615 new, 1,602 increased, 1,040 reduced and 423 closed positions. Its largest new stake was iShares Bitcoin Trust: 4,132,010 shares worth $253M. The largest sale was Invesco QQQ Trust, an estimated $153M.
By sector, the portfolio is most concentrated in Miscellaneous at 99% of assets, down from 99% a quarter earlier, followed by Technology and Consumer Discretionary.
- 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.