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 | |
|---|---|---|---|---|---|---|
2401
ConocoPhillips
COP
$161B
| $3.8M | ﹤0.01% |
+36,508
| New | +$4.33M |
|
2402
ProShares UltraPro Russell2000
URTY
$325M
| $3.79M | ﹤0.01% |
43,348
+23,897
| +123% | +$1.75M |
|
2403
CALL
Trimble
TRMB
$13.9B
| $3.78M | ﹤0.01% |
73,900
+43,700
| +145% | +$2.58M |
|
|
WYFI
2404
PUT
WhiteFiber Inc
WYFI
$759M
| $3.78M | ﹤0.01% |
97,300
+57,800
| +146% | +$1.4M |
|
2405
PUT
McEwen Inc
MUX
$1.23B
| $3.78M | ﹤0.01% |
208,400
+800
| +0.4% | +$17.3K |
|
2406
CALL
Fiverr
FVRR
$333M
| $3.78M | ﹤0.01% |
365,900
+163,900
| +81% | +$1.74M |
|
2407
CALL
Mohawk Industries
MHK
$9.05B
| $3.77M | ﹤0.01% |
31,100
-7,200
| -19% | -$757K |
|
2408
Shake Shack
SHAK
$2.8B
| $3.77M | ﹤0.01% |
+67,274
| New | +$5.07M |
|
2409
CALL
Charles River Laboratories
CRL
$13.8B
| $3.76M | ﹤0.01% |
16,600
+9,600
| +137% | +$1.71M |
|
2410
CALL
Coca-Cola Consolidated
COKE
$12.6B
| $3.76M | ﹤0.01% |
19,700
+12,500
| +174% | +$2.33M |
|
2411
CALL
Telephone and Data Systems
TDS
$4.35B
| $3.76M | ﹤0.01% |
101,500
+35,800
| +54% | +$1.51M |
|
2412
CALL
ProShares Ether Strategy ETF
EETH
$68.8M
| $3.76M | ﹤0.01% |
126,800
-88,900
| -41% | -$2.25M |
|
2413
monday.com
MNDY
$3.85B
| $3.75M | ﹤0.01% |
51,871
-8,036
| -13% | -$589K |
|
2414
RTX Corp
RTX
$271B
| $3.74M | ﹤0.01% |
19,734
+12,114
| +159% | +$2.22M |
|
2415
CALL
Lionsgate Studios
LION
$3.32B
| $3.74M | ﹤0.01% |
244,000
+51,000
| +26% | +$659K |
|
|
BULL
2416
PUT
Webull Corp
BULL
$5.26B
| $3.73M | ﹤0.01% |
572,100
+351,900
| +160% | +$2.28M |
|
2417
CALL
Commault Systems
CVLT
$5.65B
| $3.73M | ﹤0.01% |
26,300
-4,200
| -14% | -$451K |
|
|
ARR
2418
CALL
Armour Residential REIT
ARR
$2.31B
| $3.72M | ﹤0.01% |
213,000
+82,300
| +63% | +$1.42M |
|
2419
CALL
Liberty Media Series C
FWONK
$23.9B
| $3.7M | ﹤0.01% |
38,900
+30,800
| +380% | +$2.75M |
|
2420
Essex Property Trust
ESS
$17.9B
| $3.7M | ﹤0.01% |
+12,674
| New | +$3.41M |
|
2421
Aptiv
APTV
$9.96B
| $3.69M | ﹤0.01% |
60,141
+47,115
| +362% | +$2.88M |
|
2422
CALL
Diodes
DIOD
$4.23B
| $3.69M | ﹤0.01% |
33,700
+8,100
| +32% | +$822K |
|
|
SNXX
2423
Tradr 2X Long SNDK Daily ETF
SNXX
$2.88B
| $3.69M | ﹤0.01% |
87,675
-213,701
| -71% | -$4.54M |
|
2424
PUT
Ichor Holdings
ICHR
$2.11B
| $3.68M | ﹤0.01% |
32,800
+11,100
| +51% | +$801K |
|
2425
CALL
Yeti Holdings
YETI
$2.98B
| $3.68M | ﹤0.01% |
74,300
+5,000
| +7% | +$217K |
|
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.