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 | |
|---|---|---|---|---|---|---|---|
6201
CALL
Ready Capital
RC
$173M
| $36K | ﹤0.01% |
20,600
+4,700
| +30% | +$8.26K |
2026 Q1
1 quarter
|
|
6202
CALL
Galiano Gold
GAU
$523M
| $35.7K | ﹤0.01% |
19,100
-16,300
| -46% | -$37.8K |
2026 Q1
1 quarter
|
|
6203
CALL
NET Power
NPWR
$80.5M
| $35.1K | ﹤0.01% |
21,000
-23,000
| -52% | -$41.7K |
2026 Q1
1 quarter
|
|
|
SVC
6204
Service Properties Trust
SVC
$796M
| $35K | ﹤0.01% |
+4,147
| New | +$32.6K |
2026 Q2
0 quarters
|
|
6205
Brandywine Realty Trust
BDN
$495M
| $35K | ﹤0.01% |
11,037
-12,996
| -54% | -$39.1K |
2026 Q1
1 quarter
|
|
6206
CALL
NeoVolta
NEOV
$127M
| $35K | ﹤0.01% |
+11,100
| New | +$28.1K |
2026 Q2
0 quarters
|
|
6207
CALL
Aptera Motors
SEV
$61.8M
| $34.8K | ﹤0.01% |
14,200
-5,500
| -28% | -$14.1K |
2026 Q1
1 quarter
|
|
|
SVC
6208
PUT
Service Properties Trust
SVC
$796M
| $34.6K | ﹤0.01% |
4,100
+1,940
| +90% | +$15.3K |
2026 Q1
1 quarter
|
|
6209
Prairie Operating Co
PROP
$43.9M
| $33.7K | ﹤0.01% |
46,775
-107,375
| -70% | -$116K |
2026 Q1
1 quarter
|
|
6210
CALL
Embecta
EMBC
$380M
| $33.6K | ﹤0.01% |
10,300
-2,600
| -20% | -$14.2K |
2026 Q1
1 quarter
|
|
6211
PUT
Leverage Shares 2X Long ONDS Daily ETF
ONDG
$13.9M
| $33.3K | ﹤0.01% |
+10,000
| New | +$57K |
2026 Q2
0 quarters
|
|
6212
PUT
Organigram Holdings
OGI
$134M
| $32.8K | ﹤0.01% |
32,200
+12,200
| +61% | +$14.9K |
2026 Q1
1 quarter
|
|
6213
CALL
SelectQuote
SLQT
$55M
| $32.6K | ﹤0.01% |
38,700
-30,600
| -44% | -$27.9K |
2026 Q1
1 quarter
|
|
6214
GCT Semiconductor Holding
GCTS
$119M
| $31.8K | ﹤0.01% |
+10,700
| New | +$22.7K |
2026 Q2
0 quarters
|
|
6215
CALL
Pulmonx
LUNG
$78.6M
| $31.7K | ﹤0.01% |
+24,400
| New | +$33.6K |
2026 Q2
0 quarters
|
|
6216
CALL
FingerMotion
FNGR
$11.9M
| $31.6K | ﹤0.01% |
83,600
+46,600
| +126% | +$37.2K |
2026 Q1
1 quarter
|
|
6217
PUT
Anavex Life Sciences
AVXL
$123M
| $31.6K | ﹤0.01% |
12,200
-1,900
| -13% | -$5.62K |
2026 Q1
1 quarter
|
|
6218
CALL
Milestone Pharmaceuticals
MIST
$80.7M
| $31.1K | ﹤0.01% |
23,200
-12,200
| -34% | -$19.5K |
2026 Q1
1 quarter
|
|
6219
CALL
E.W. Scripps
SSP
$200M
| $31K | ﹤0.01% |
+11,200
| New | +$42.4K |
2026 Q2
0 quarters
|
|
6220
PUT
New Found Gold
NFGC
$607M
| $31K | ﹤0.01% |
20,100
-5,200
| -21% | -$10K |
2026 Q1
1 quarter
|
|
6221
CALL
Largo
LGO
$46.7M
| $30.6K | ﹤0.01% |
48,200
-11,900
| -20% | -$12.3K |
2026 Q1
1 quarter
|
|
6222
PUT
Jiayin Group
JFIN
$67.8M
| $30.3K | ﹤0.01% |
+10,600
| New | +$45K |
2026 Q2
0 quarters
|
|
6223
CALL
AI Financial Corp
AIFC
$40.7M
| $29.4K | ﹤0.01% |
50,300
+16,400
| +48% | +$13.7K |
2026 Q1
1 quarter
|
|
6224
CALL
Real REMAX Group Inc. Common Stock
REAX
$347M
| $28.9K | ﹤0.01% |
1,590
+480
| +43% | +$9.7K |
2026 Q1
1 quarter
|
|
6225
PUT
Nextdoor Holdings, Inc. Class A Common Stock
NXDR
$940M
| $28.8K | ﹤0.01% |
12,700
-39,500
| -76% | -$73.7K |
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.