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 | |
|---|---|---|---|---|---|---|---|
6151
PUT
Lufax Holding
LU
$6.99B
| $51.3K | ﹤0.01% |
3,890
-250
| -6% | -$4.25K |
2026 Q1
1 quarter
|
|
6152
PUT
High Tide
HITI
$231M
| $50.8K | ﹤0.01% |
22,300
-10,600
| -32% | -$25.2K |
2026 Q1
1 quarter
|
|
6153
Forward Industries Inc
FWDI
$519M
| $50.6K | ﹤0.01% |
+11,987
| New | +$53.5K |
2026 Q2
0 quarters
|
|
|
UROY
6154
Uranium Royalty Corp
UROY
$1.31B
| $50.2K | ﹤0.01% |
18,063
-4,917
| -21% | -$17.2K |
2025 Q4
2 quarters
|
|
|
6155
CALL
High Tide
HITI
$231M
| $49.9K | ﹤0.01% |
+21,900
| New | +$52.1K |
2026 Q2
0 quarters
|
|
|
ABTC
6156
American Bitcoin Corp
ABTC
$547M
| $49.9K | ﹤0.01% |
4,887
-5,832
| -54% | -$89.2K |
2026 Q1
1 quarter
|
|
6157
PUT
Blend Labs
BLND
$277M
| $49.8K | ﹤0.01% |
29,100
+7,700
| +36% | +$12.3K |
2026 Q1
1 quarter
|
|
6158
PUT
Lifezone Metals
LZM
$312M
| $49.7K | ﹤0.01% |
+12,800
| New | +$59.8K |
2026 Q2
0 quarters
|
|
6159
PUT
CareCloud
CCLD
$75.2M
| $49.6K | ﹤0.01% |
+23,400
| New | +$60.5K |
2026 Q2
0 quarters
|
|
6160
PUT
Embecta
EMBC
$380M
| $49.2K | ﹤0.01% |
+15,100
| New | +$82.4K |
2026 Q2
0 quarters
|
|
6161
CALL
AirSculpt Technologies
AIRS
$86.5M
| $47.7K | ﹤0.01% |
10,600
-13,100
| -55% | -$53.1K |
2026 Q1
1 quarter
|
|
6162
CALL
Iovance Biotherapeutics
IOVA
$6.38B
| $47.4K | ﹤0.01% |
+11,400
| New | +$43.3K |
2026 Q2
0 quarters
|
|
6163
PUT
Accendra Health
ACH
$16.7M
| $47.2K | ﹤0.01% |
+13,800
| New | +$42.9K |
2026 Q2
0 quarters
|
|
6164
PUT
Opko Health
OPK
$1.22B
| $47.1K | ﹤0.01% |
31,400
-3,200
| -9% | -$4.08K |
2026 Q1
1 quarter
|
|
6165
PUT
NET Power
NPWR
$80.5M
| $45.8K | ﹤0.01% |
27,400
+16,500
| +151% | +$29.9K |
2026 Q1
1 quarter
|
|
6166
PUT
Baytex Energy
BTE
$3.85B
| $45.6K | ﹤0.01% |
+11,400
| New | +$52.7K |
2026 Q2
0 quarters
|
|
6167
BlackRock TCP Capital
TCPC
$337M
| $44.7K | ﹤0.01% |
13,301
-7,778
| -37% | -$30.2K |
2026 Q1
1 quarter
|
|
6168
PUT
Gevo
GEVO
$287M
| $44.6K | ﹤0.01% |
29,700
+9,700
| +49% | +$17.1K |
2026 Q1
1 quarter
|
|
6169
CALL
JELD-WEN Holding
JELD
$119M
| $44.6K | ﹤0.01% |
+29,700
| New | +$45.8K |
2026 Q2
0 quarters
|
|
6170
Cerus
CERS
$470M
| $44.5K | ﹤0.01% |
15,230
+2,693
| +21% | +$6.53K |
2026 Q1
1 quarter
|
|
6171
Quanterix
QTRX
$135M
| $44.1K | ﹤0.01% |
+10,214
| New | +$33.1K |
2026 Q2
0 quarters
|
|
6172
PUT
Wipro
WIT
$20.9B
| $44.1K | ﹤0.01% |
+19,600
| New | +$41.7K |
2026 Q2
0 quarters
|
|
6173
PetMed Express
PETS
$26.4M
| $44K | ﹤0.01% |
+22,924
| New | +$48.6K |
2026 Q2
0 quarters
|
|
6174
PUT
Prairie Operating Co
PROP
$43.9M
| $44K | ﹤0.01% |
61,000
-115,900
| -66% | -$125K |
2026 Q1
1 quarter
|
|
6175
PUT
New Fortress Energy
NFE
$19.9M
| $43.1K | ﹤0.01% |
2,372
-1,256
| -35% | -$37.4K |
2024 Q1
9 quarters
|
|
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.