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 | |
|---|---|---|---|---|---|---|
826
CALL
Molina Healthcare
MOH
$10.5B
| $30.6M | 0.01% |
133,800
+8,000
| +6% | +$1.45M |
|
827
Centene
CNC
$33.5B
| $30.5M | 0.01% |
475,914
+295,896
| +164% | +$15.8M |
|
828
Eli Lilly
LLY
$1.02T
| $30.5M | 0.01% |
+25,449
| New | +$26M |
|
829
PUT
Danaher
DHR
$146B
| $30.5M | 0.01% |
160,100
+30,300
| +23% | +$5.5M |
|
830
PUT
Silicon Motion
SIMO
$8.6B
| $30.4M | 0.01% |
91,100
+76,700
| +533% | +$17.8M |
|
831
PUT
Franco-Nevada
FNV
$51.4B
| $30.2M | 0.01% |
145,000
+72,600
| +100% | +$16.9M |
|
832
CALL
Innodata
INOD
$1.89B
| $30.1M | 0.01% |
398,700
+112,600
| +39% | +$8.27M |
|
833
PUT
Vanguard Information Technology ETF
VGT
$149B
| $30.1M | 0.01% |
251,800
+3,800
| +2% | +$416K |
|
834
PUT
CME Group
CME
$101B
| $30M | 0.01% |
135,700
+15,700
| +13% | +$4.34M |
|
835
Celestica
CLS
$39.7B
| $30M | 0.01% |
82,112
+39,368
| +92% | +$14.8M |
|
836
PUT
American Electric Power
AEP
$68B
| $29.9M | 0.01% |
218,500
+105,700
| +94% | +$13.9M |
|
837
PUT
T-Mobile US
TMUS
$194B
| $29.8M | 0.01% |
177,900
-95,900
| -35% | -$18.2M |
|
838
PUT
FTAI Aviation
FTAI
$20.1B
| $29.8M | 0.01% |
110,000
+19,000
| +21% | +$4.78M |
|
839
CALL
Suncor Energy
SU
$78.9B
| $29.6M | 0.01% |
551,500
+284,600
| +107% | +$18M |
|
840
CALL
SiTime
SITM
$18.4B
| $29.6M | 0.01% |
39,700
+19,800
| +99% | +$12.5M |
|
841
PUT
e.l.f. Beauty
ELF
$6.4B
| $29.5M | 0.01% |
398,900
+102,800
| +35% | +$6.25M |
|
|
FLY
842
CALL
Firefly Aerospace
FLY
$3.6B
| $29.4M | 0.01% |
1,001,600
+329,500
| +49% | +$12.3M |
|
843
IBM
IBM
$222B
| $29.4M | 0.01% |
104,713
-54,166
| -34% | -$13.6M |
|
844
PUT
Archer Daniels Midland
ADM
$40.9B
| $29.4M | 0.01% |
384,800
+193,000
| +101% | +$14.7M |
|
845
Wells Fargo
WFC
$271B
| $29.4M | 0.01% |
355,735
-95,404
| -21% | -$7.67M |
|
846
PUT
Wingstop
WING
$3.01B
| $29.4M | 0.01% |
169,300
+84,800
| +100% | +$13.4M |
|
847
CALL
Nu Holdings
NU
$74.7B
| $29.3M | 0.01% |
2,193,900
+518,000
| +31% | +$6.98M |
|
848
PUT
SAP
SAP
$250B
| $29.3M | 0.01% |
190,000
+66,100
| +53% | +$11.3M |
|
849
PUT
iShares Core MSCI Emerging Markets ETF
IEMG
$164B
| $29.3M | 0.01% |
294,100
-190,300
| -39% | -$15.2M |
|
850
CALL
Hilton Worldwide
HLT
$70.5B
| $29.2M | 0.01% |
88,400
-51,900
| -37% | -$17.1M |
|
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.