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 |
SNDK
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 | |
|---|---|---|---|---|---|---|
6226
CALL
Vertical Aerospace
EVTL
$103M
| $28.7K | ﹤0.01% |
16,500
-12,300
| -43% | -$29.5K |
|
6227
CALL
KLX Energy Services
KLXE
$32.7M
| $28.1K | ﹤0.01% |
+10,900
| New | +$32.4K |
|
|
SUIG
6228
CALL
Sui Group Holdings
SUIG
$75.3M
| $28.1K | ﹤0.01% |
24,200
-15,800
| -40% | -$22.8K |
|
|
SUIG
6229
Sui Group Holdings
SUIG
$75.3M
| $27.7K | ﹤0.01% |
23,887
+5,035
| +27% | +$7.25K |
|
6230
CALL
Nerdy
NRDY
$79.5M
| $27.7K | ﹤0.01% |
2,013
-240
| -11% | -$3.13K |
|
|
HITI
6231
High Tide
HITI
$225M
| $27.7K | ﹤0.01% |
12,132
-20,748
| -63% | -$49.3K |
|
|
BMNU
6232
CALL
T-REX 2X Long BMNR Daily Target ETF
BMNU
$400M
| $27.6K | ﹤0.01% |
+1,030
| New | +$16.5K |
|
6233
PUT
Pacific Biosciences
PACB
$420M
| $27.2K | ﹤0.01% |
16,200
-19,700
| -55% | -$28.6K |
|
6234
Ocean Power Technologies
OPTT
$50.6M
| $27K | ﹤0.01% |
103,241
+68,900
| +201% | +$23.4K |
|
6235
CALL
Genasys
GNSS
$66M
| $26.9K | ﹤0.01% |
15,800
+1,900
| +14% | +$3.57K |
|
|
SVC
6236
CALL
Service Properties Trust
SVC
$986M
| $26.7K | ﹤0.01% |
+3,160
| New | +$24.9K |
|
6237
PUT
Milestone Pharmaceuticals
MIST
$149M
| $26.4K | ﹤0.01% |
+19,700
| New | +$31.5K |
|
6238
CALL
8x8 Inc
EGHT
$273M
| $26.2K | ﹤0.01% |
+15,300
| New | +$30.8K |
|
|
ODVWW
6239
PUT
DELISTED
Osisko Development Corp. Warrant
ODVWW
| $26.1K | ﹤0.01% |
10,600
-3,000
| -22% | -$7.38K |
|
6240
CALL
Stereotaxis
STXS
$139M
| $25.8K | ﹤0.01% |
15,000
-2,500
| -14% | -$4.69K |
|
6241
PUT
Diana Shipping
DSX
$374M
| $25.4K | ﹤0.01% |
+12,100
| New | +$29.9K |
|
6242
RLX Technology
RLX
$2.2B
| $25.4K | ﹤0.01% |
+13,368
| New | +$27.8K |
|
|
STEX
6243
Streamex Corp
STEX
$83.3M
| $25.3K | ﹤0.01% |
29,727
-8,873
| -23% | -$9.18K |
|
|
FFAI
6244
PUT
Faraday Future Intelligent Electric
FFAI
$7.13M
| $25.1K | ﹤0.01% |
725
+424
| +141% | +$20.9K |
|
|
TUYA
6245
CALL
Tuya Inc
TUYA
$1.16B
| $24.8K | ﹤0.01% |
14,100
+2,400
| +21% | +$5.23K |
|
6246
PUT
GrowGeneration
GRWG
$96.9M
| $23.2K | ﹤0.01% |
15,700
-3,600
| -19% | -$5.1K |
|
6247
Phunware
PHUN
$42.6M
| $23.2K | ﹤0.01% |
+11,322
| New | +$22.9K |
|
6248
Village Farms International
VFF
$357M
| $22.9K | ﹤0.01% |
11,466
-150,017
| -93% | -$375K |
|
6249
Comtech Telecommunications
CMTL
$46.7M
| $22.9K | ﹤0.01% |
+10,907
| New | +$41.9K |
|
6250
CALL
Clarivate
CLVT
$1.32B
| $22.9K | ﹤0.01% |
+10,600
| New | +$25.9K |
|
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.