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 | |
|---|---|---|---|---|---|---|
1701
CALL
Hershey
HSY
$34.8B
| $8.09M | ﹤0.01% |
46,100
-8,600
| -16% | -$1.62M |
|
1702
CALL
UBS Group
UBS
$170B
| $8.07M | ﹤0.01% |
162,900
+18,500
| +13% | +$843K |
|
1703
ProShares Short S&P500
SH
$859M
| $8.07M | ﹤0.01% |
244,436
+219,262
| +871% | +$7.5M |
|
|
MUD
1704
Direxion Daily MU Bear 1X ETF
MUD
$30M
| $8.07M | ﹤0.01% |
+824,122
| New | +$17.3M |
|
1705
CALL
Ares Capital
ARCC
$14.4B
| $8.04M | ﹤0.01% |
434,000
+237,300
| +121% | +$4.43M |
|
1706
CALL
Nice
NICE
$6.18B
| $8.04M | ﹤0.01% |
88,500
+42,300
| +92% | +$4.1M |
|
1707
PUT
Symbotic
SYM
$5.58B
| $8.01M | ﹤0.01% |
178,200
+52,400
| +42% | +$2.67M |
|
1708
PUT
IES Holdings
IESC
$12.9B
| $8.01M | ﹤0.01% |
21,800
-12,200
| -36% | -$3.94M |
|
1709
PUT
OneMain Financial
OMF
$7.44B
| $8M | ﹤0.01% |
131,200
+13,800
| +12% | +$777K |
|
1710
The GEO Group
GEO
$4.18B
| $7.99M | ﹤0.01% |
270,484
+35,642
| +15% | +$808K |
|
1711
CALL
Teladoc Health
TDOC
$1.14B
| $7.99M | ﹤0.01% |
942,100
-289,200
| -23% | -$1.92M |
|
1712
PUT
Liquidia Corp
LQDA
$6.15B
| $7.99M | ﹤0.01% |
100,200
+81,700
| +442% | +$4.38M |
|
1713
CALL
Synaptics
SYNA
$3.87B
| $7.98M | ﹤0.01% |
64,200
+28,100
| +78% | +$3.17M |
|
1714
CALL
Sweetgreen
SG
$814M
| $7.97M | ﹤0.01% |
904,600
+426,400
| +89% | +$3.25M |
|
1715
PUT
Baker Hughes
BKR
$63B
| $7.94M | ﹤0.01% |
143,100
-66,900
| -32% | -$4.23M |
|
|
IPFF
1716
PUT
DELISTED
iShares International Preferred Stock ETF
IPFF
| $7.94M | ﹤0.01% |
165,300
-41,400
| -20% | -$1.99M |
|
1717
Coeur Mining
CDE
$21.8B
| $7.94M | ﹤0.01% |
486,254
+202,628
| +71% | +$3.69M |
|
1718
CALL
Expeditors International
EXPD
$24.5B
| $7.92M | ﹤0.01% |
48,600
+26,400
| +119% | +$4.08M |
|
1719
CALL
Cognizant
CTSH
$28.1B
| $7.92M | ﹤0.01% |
204,500
+88,600
| +76% | +$4.67M |
|
|
KRMN
1720
PUT
Karman Holdings
KRMN
$5.3B
| $7.91M | ﹤0.01% |
158,500
+127,100
| +405% | +$8.22M |
|
|
SW
1721
CALL
Smurfit Westrock
SW
$24B
| $7.91M | ﹤0.01% |
170,900
+141,400
| +479% | +$5.84M |
|
1722
PUT
GoDaddy
GDDY
$12.8B
| $7.9M | ﹤0.01% |
93,100
-600
| -0.6% | -$50.6K |
|
1723
CALL
M&T Bank
MTB
$34.6B
| $7.9M | ﹤0.01% |
33,200
-1,300
| -4% | -$284K |
|
1724
PUT
Martin Marietta Materials
MLM
$36.6B
| $7.9M | ﹤0.01% |
13,700
+5,400
| +65% | +$3.2M |
|
1725
CALL
Celcuity
CELC
$4.68B
| $7.89M | ﹤0.01% |
75,400
+18,900
| +33% | +$2.18M |
|
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.