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 | |
|---|---|---|---|---|---|---|
6276
CALL
SkinHealth Systems
SKIN
$89.1M
| $14.8K | ﹤0.01% |
21,300
-31,600
| -60% | -$24.2K |
|
|
SUIG
6277
PUT
Sui Group Holdings
SUIG
$75.3M
| $14.3K | ﹤0.01% |
+12,300
| New | +$17.7K |
|
6278
Wrap Technologies
WRAP
$103M
| $14.2K | ﹤0.01% |
11,044
-28,839
| -72% | -$40.7K |
|
6279
CALL
Aterian
ATER
$11.2M
| $14K | ﹤0.01% |
+10,600
| New | +$11K |
|
6280
Nerdy
NRDY
$79.5M
| $13.4K | ﹤0.01% |
973
+34
| +4% | +$444 |
|
6281
SelectQuote
SLQT
$94.7M
| $13K | ﹤0.01% |
15,472
+2,090
| +16% | +$1.9K |
|
|
YRD
6282
Yiren Digital
YRD
$89.2M
| $12.5K | ﹤0.01% |
+14,917
| New | +$24.7K |
|
6283
Mercer International
MERC
$25.3M
| $12.2K | ﹤0.01% |
+18,432
| New | +$18.3K |
|
|
NVX
6284
CALL
NOVONIX
NVX
$75.1M
| $10.5K | ﹤0.01% |
2,290
-620
| -21% | -$4.13K |
|
6285
PUT
Neonode
NEON
$15.5M
| $10.2K | ﹤0.01% |
+10,800
| New | +$16K |
|
|
AIFC
6286
PUT
AI Financial Corp
AIFC
$78.4M
| $10.1K | ﹤0.01% |
+17,300
| New | +$14.5K |
|
|
6287
CALL
Neonode
NEON
$15.5M
| $9.41K | ﹤0.01% |
10,000
-14,200
| -59% | -$21.1K |
|
|
6288
PUT
SelectQuote
SLQT
$94.7M
| $9K | ﹤0.01% |
10,700
-1,000
| -9% | -$910 |
|
6289
CALL
Hain Celestial
HAIN
$67.5M
| $8.35K | ﹤0.01% |
14,900
+3,800
| +34% | +$2.82K |
|
6290
CALL
PSQ Holdings
PSQH
$20.5M
| $7.45K | ﹤0.01% |
1,233
| – | – |
|
6291
PUT
CXApp
CXAI
$7.97M
| $4.28K | ﹤0.01% |
+460
| New | +$4.24K |
|
|
6292
CXApp
CXAI
$7.97M
| $2.2K | ﹤0.01% |
+236
| New | +$2.17K |
|
6293
Goldman Sachs Physical Gold ETF Shares
AAAU
$2.69B
| – | – |
-69,256
| Closed | -$3.08M |
|
6294
PUT
ProFrac Holding
ACDC
$938M
| – | – |
-11,500
| Closed | -$71.3K |
|
6295
Aptus Collared Investment Opportunity ETF
ACIO
$2.42B
| – | – |
-9,881
| Closed | -$415K |
|
6296
Axcelis
ACLS
$3.55B
| – | – |
-6,736
| Closed | -$999K |
|
|
ACLX
6297
CALL
DELISTED
Arcellx
ACLX
| – | – |
-7,300
| Closed | -$838K |
|
|
ACLX
6298
PUT
DELISTED
Arcellx
ACLX
| – | – |
-3,900
| Closed | -$448K |
|
|
ACRE
6299
CALL
Ares Commercial Real Estate
ACRE
$254M
| – | – |
-14,900
| Closed | -$71.5K |
|
6300
CALL
Aclaris Therapeutics
ACRS
$908M
| – | – |
-13,100
| Closed | -$49.1K |
|
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.