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 | |
|---|---|---|---|---|---|---|
751
Seagate
STX
$192B
| $35.5M | 0.01% |
36,749
+22,001
| +149% | +$16.8M |
|
752
CALL
Amkor Technology
AMKR
$11.9B
| $35.5M | 0.01% |
411,200
+116,800
| +40% | +$8.32M |
|
753
CALL
Wheaton Precious Metals
WPM
$70.4B
| $35.2M | 0.01% |
313,800
-32,600
| -9% | -$4.24M |
|
754
PUT
CF Industries
CF
$20.2B
| $35.2M | 0.01% |
324,900
-109,900
| -25% | -$13M |
|
755
CALL
Vertex Pharmaceuticals
VRTX
$138B
| $35.2M | 0.01% |
70,800
-9,000
| -11% | -$3.99M |
|
|
UCD
756
PUT
DELISTED
PROSHARES ULTRA BLOOMBERG COMMODITY
UCD
| $35.2M | 0.01% |
582,900
-119,100
| -17% | -$7.19M |
|
757
CALL
Progressive
PGR
$127B
| $35.1M | 0.01% |
160,900
+15,700
| +11% | +$3.16M |
|
758
CALL
NetApp
NTAP
$36.5B
| $35.1M | 0.01% |
226,900
+98,100
| +76% | +$12.8M |
|
759
PUT
Kimberly-Clark
KMB
$34.9B
| $35M | 0.01% |
319,200
+120,500
| +61% | +$11.9M |
|
760
CALL
FuelCell Energy
FCEL
$1.2B
| $35M | 0.01% |
973,000
+719,500
| +284% | +$11.7M |
|
761
CALL
Dollar Tree
DLTR
$24.7B
| $35M | 0.01% |
289,400
+98,100
| +51% | +$10.2M |
|
762
CALL
Coupang
CPNG
$27.5B
| $34.9M | 0.01% |
2,010,700
+921,900
| +85% | +$16.6M |
|
763
CALL
Flex
FLEX
$40.5B
| $34.9M | 0.01% |
215,100
+209,700
| +3,883% | +$25.4M |
|
764
PUT
Simon Property Group
SPG
$67.8B
| $34.8M | 0.01% |
155,800
+59,600
| +62% | +$12.3M |
|
765
PUT
McKesson
MCK
$106B
| $34.8M | 0.01% |
46,100
-11,500
| -20% | -$9.12M |
|
766
CALL
Ford
F
$58.3B
| $34.7M | 0.01% |
2,498,800
+500,200
| +25% | +$6.75M |
|
767
PUT
VanEck Durable High Dividend ETF
DURA
$38.6M
| $34.5M | 0.01% |
135,900
-52,300
| -28% | -$1.96M |
|
768
CALL
Sherwin-Williams
SHW
$81B
| $34.5M | 0.01% |
100,200
+24,800
| +33% | +$7.92M |
|
|
CRCL
769
Circle Internet Group
CRCL
$25.9B
| $34.5M | 0.01% |
+550,735
| New | +$53.6M |
|
770
CALL
Williams Companies
WMB
$90.7B
| $34.4M | 0.01% |
463,200
+160,200
| +53% | +$11.8M |
|
771
PUT
HCA Healthcare
HCA
$87.7B
| $34.4M | 0.01% |
88,300
+12,600
| +17% | +$5.33M |
|
772
CALL
Veeva Systems
VEEV
$44.5B
| $34.4M | 0.01% |
193,600
+9,800
| +5% | +$1.62M |
|
|
773
PUT
Vertex Pharmaceuticals
VRTX
$138B
| $34.3M | 0.01% |
69,100
-8,000
| -10% | -$3.55M |
|
|
TEM
774
PUT
Tempus AI
TEM
$11.7B
| $34.3M | 0.01% |
592,200
+135,400
| +30% | +$6.79M |
|
775
PUT
Allstate
ALL
$65.6B
| $34.3M | 0.01% |
144,000
+12,200
| +9% | +$2.65M |
|
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.