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 |
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$568M |
| 2 |
Amazon
AMZN
|
+$341M |
| 3 |
iShares MSCI South Korea ETF
EWY
|
+$278M |
| 4 |
Apple
AAPL
|
+$239M |
| 5 |
TSMC
TSM
|
+$215M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
State Street SPDR S&P 500 ETF Trust
SPY
|
+$316M |
| 2 |
Tesla
TSLA
|
+$253M |
| 3 |
Micron Technology
MU
|
+$178M |
| 4 |
iShares Bitcoin Trust
IBIT
|
+$176M |
| 5 |
Sandisk
SNDK
|
+$159M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Miscellaneous | 97.94% |
| 2 | Technology | 0.92% |
| 3 | Consumer Discretionary | 0.31% |
| 4 | Financials | 0.17% |
| 5 | Communication Services | 0.16% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | Held Since | |
|---|---|---|---|---|---|---|---|
6001
CALL
BTQ Technologies Corp
BTQ
$294M
| $92.2K | ﹤0.01% |
17,100
-15,700
| -48% | -$58.6K |
2026 Q1
1 quarter
|
|
6002
PUT
Lloyds Banking Group
LYG
$76.4B
| $92.1K | ﹤0.01% |
15,800
+2,000
| +14% | +$10.8K |
2026 Q1
1 quarter
|
|
6003
CALL
DeFi Development Corp
DFDV
$121M
| $91.1K | ﹤0.01% |
31,000
-23,900
| -44% | -$91.5K |
2025 Q4
2 quarters
|
|
6004
CALL
Weave Communications
WEAV
$595M
| $91K | ﹤0.01% |
+15,200
| New | +$82.8K |
2026 Q2
0 quarters
|
|
6005
PUT
Brandywine Realty Trust
BDN
$495M
| $91K | ﹤0.01% |
28,700
-10,000
| -26% | -$30.1K |
2026 Q1
1 quarter
|
|
6006
CALL
Hafnia
HAFN
$5.62B
| $90.3K | ﹤0.01% |
13,600
+1,600
| +13% | +$13K |
2026 Q1
1 quarter
|
|
6007
CALL
BitGo Holdings
BTGO
$650M
| $90.1K | ﹤0.01% |
+17,400
| New | +$143K |
2026 Q2
0 quarters
|
|
6008
Western Asset High Income Opportunity Fund
HIO
$306M
| $89.8K | ﹤0.01% |
+24,666
| New | +$89.9K |
2026 Q2
0 quarters
|
|
6009
PUT
Community Health Systems
CYH
$412M
| $89.2K | ﹤0.01% |
26,700
+7,800
| +41% | +$23K |
2026 Q1
1 quarter
|
|
6010
PUT
Grid Dynamics Holdings
GDYN
$702M
| $89.2K | ﹤0.01% |
+15,700
| New | +$97.2K |
2026 Q2
0 quarters
|
|
|
FFAI
6011
CALL
Faraday Future Intelligent Electric
FFAI
$3.83M
| $88.9K | ﹤0.01% |
2,572
+707
| +38% | +$34.9K |
2024 Q2
8 quarters
|
|
6012
Alight
ALIT
$253M
| $88.9K | ﹤0.01% |
7,940
-10,311
| -56% | -$146K |
2026 Q1
1 quarter
|
|
6013
CALL
Starfighters Space Inc
FJET
$41M
| $88.8K | ﹤0.01% |
+16,700
| New | +$100K |
2026 Q2
0 quarters
|
|
6014
PUT
Innoviz Technologies
INVZ
$66.7M
| $88.7K | ﹤0.01% |
116,500
+30,800
| +36% | +$21.1K |
2026 Q1
1 quarter
|
|
6015
AirSculpt Technologies
AIRS
$86.5M
| $88.4K | ﹤0.01% |
+19,643
| New | +$79.6K |
2026 Q2
0 quarters
|
|
6016
PUT
Unisys
UIS
$184M
| $88.2K | ﹤0.01% |
24,100
+2,300
| +11% | +$7.22K |
2026 Q1
1 quarter
|
|
6017
Baozun
BZUN
$207M
| $87.9K | ﹤0.01% |
31,069
+8,352
| +37% | +$22.5K |
2026 Q1
1 quarter
|
|
6018
T-REX 2X Long BMNR Daily Target ETF
BMNU
$292M
| $87.5K | ﹤0.01% |
+13,098
| New | +$210K |
2026 Q2
0 quarters
|
|
6019
Blend Labs
BLND
$277M
| $87.3K | ﹤0.01% |
51,074
+2,444
| +5% | +$3.9K |
2026 Q1
1 quarter
|
|
6020
CALL
Thryv Holdings
THRY
$52.9M
| $87.1K | ﹤0.01% |
+22,100
| New | +$78.6K |
2026 Q2
0 quarters
|
|
6021
PUT
Upexi
UPXI
$62.9M
| $86.9K | ﹤0.01% |
110,800
+87,300
| +371% | +$101K |
2026 Q1
1 quarter
|
|
6022
PUT
Merlin Inc
MRLN
$88.7M
| $86.5K | ﹤0.01% |
+15,200
| New | +$129K |
2026 Q2
0 quarters
|
|
6023
CALL
Microvision
MVIS
$36.1M
| $86.3K | ﹤0.01% |
17,600
-5,740
| -25% | -$47.3K |
2025 Q3
3 quarters
|
|
6024
Eightco Holdings
ORBS
$327M
| $86.1K | ﹤0.01% |
123,859
+53,763
| +77% | +$48.4K |
2026 Q1
1 quarter
|
|
6025
Forum Markets
FRMM
$44.6M
| $85.7K | ﹤0.01% |
15,778
-23,664
| -60% | -$103K |
2026 Q1
1 quarter
|
|
Similar funds
IMC Chicago's Q2 2026 Portfolio in Review
As of Q2 2026, IMC Chicago held 6,955 positions worth $419B, up 50% from $278B the previous quarter. Its ten largest holdings account for 34% of the portfolio.
IMC Chicago's Q2 2026 filing shows 1,282 new, 3,251 increased, 1,751 reduced and 653 closed positions. Its largest new stake was Microsoft: 303,034 shares worth $113M. The largest sale was State Street SPDR S&P 500 ETF Trust, an estimated $316M.
By sector, the portfolio is most concentrated in Miscellaneous at 98% of assets, down from 98% a quarter earlier, followed by Technology and Consumer Discretionary.
- IMC Chicago's largest Q2 2026 buy was Microsoft: 303,034 shares worth $113M.
- IMC Chicago added most to State Street SPDR Dow Jones Industrial Average ETF Trust in Q2 2026, an estimated $568M increase.
- IMC Chicago's biggest Q2 2026 reduction was Tesla, cutting an estimated $253M.
- IMC Chicago fully exited State Street SPDR S&P 500 ETF Trust in Q2 2026, selling an estimated $316M.
- IMC Chicago's ten largest holdings make up 34% of its $419B portfolio in Q2 2026.
- IMC Chicago opened 1,282 new positions and closed 653 in Q2 2026.
- IMC Chicago's portfolio value rose 50% quarter-over-quarter to $419B.
Based on IMC Chicago's 13F filing for Q2 2026, filed 6 Aug 2026.