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 | |
|---|---|---|---|---|---|---|
3051
Invesco S&P 500 Equal Weight ETF
RSP
$99.6B
| $1.97M | ﹤0.01% |
+9,267
| New | +$1.9M |
|
3052
CALL
Triumph Financial Inc
TFIN
$1.66B
| $1.97M | ﹤0.01% |
+25,800
| New | +$1.75M |
|
3053
Genmab
GMAB
$20.7B
| $1.97M | ﹤0.01% |
+71,596
| New | +$1.9M |
|
3054
Evercore
EVR
$11.5B
| $1.96M | ﹤0.01% |
+5,745
| New | +$1.97M |
|
3055
CALL
WisdomTree
WT
$3.77B
| $1.96M | ﹤0.01% |
115,500
+44,900
| +64% | +$795K |
|
3056
Kraft Heinz
KHC
$29.5B
| $1.96M | ﹤0.01% |
82,793
+11,879
| +17% | +$274K |
|
3057
ProShares Short Bitcoin Strategy ETF
BITI
$118M
| $1.95M | ﹤0.01% |
67,305
+6,889
| +11% | +$169K |
|
3058
CALL
Adeia
ADEA
$2.92B
| $1.95M | ﹤0.01% |
59,300
+48,700
| +459% | +$1.44M |
|
3059
Lightpath Technologies
LPTH
$607M
| $1.95M | ﹤0.01% |
119,391
+104,498
| +702% | +$1.46M |
|
3060
Align Technology
ALGN
$11.3B
| $1.95M | ﹤0.01% |
11,558
-993
| -8% | -$172K |
|
3061
PUT
CoStar Group
CSGP
$12.5B
| $1.95M | ﹤0.01% |
68,800
| – | – |
|
3062
PUT
Northern Oil and Gas
NOG
$2.76B
| $1.95M | ﹤0.01% |
107,300
+62,400
| +139% | +$1.48M |
|
3063
PUT
Ero Copper
ERO
$3.64B
| $1.95M | ﹤0.01% |
72,800
+27,000
| +59% | +$765K |
|
|
TIC
3064
PUT
TIC Solutions Inc
TIC
$2.04B
| $1.95M | ﹤0.01% |
240,600
+223,100
| +1,275% | +$1.88M |
|
3065
ProShares Ultra Dow30
DDM
$579M
| $1.94M | ﹤0.01% |
29,671
+24,999
| +535% | +$1.5M |
|
3066
Sweetgreen
SG
$814M
| $1.94M | ﹤0.01% |
220,597
-55,976
| -20% | -$427K |
|
3067
CALL
Perimeter Solutions
PRM
$5.2B
| $1.94M | ﹤0.01% |
54,500
+42,500
| +354% | +$1.33M |
|
3068
CALL
SBA Communications
SBAC
$20.1B
| $1.94M | ﹤0.01% |
11,000
-23,400
| -68% | -$4.82M |
|
3069
CALL
SEALSQ Corp
LAES
$539M
| $1.94M | ﹤0.01% |
616,000
+247,600
| +67% | +$739K |
|
3070
Varonis Systems
VRNS
$5.29B
| $1.94M | ﹤0.01% |
46,206
+28,680
| +164% | +$841K |
|
3071
CALL
Invesco DB Commodity Index Tracking Fund
DBC
$1.89B
| $1.94M | ﹤0.01% |
72,700
+25,100
| +53% | +$739K |
|
3072
CALL
ITT
ITT
$18.3B
| $1.94M | ﹤0.01% |
9,800
+8,100
| +476% | +$1.64M |
|
3073
PUT
Travere Therapeutics
TVTX
$6.15B
| $1.94M | ﹤0.01% |
34,100
+15,300
| +81% | +$678K |
|
|
IMSR
3074
CALL
Terrestrial Energy
IMSR
$546M
| $1.93M | ﹤0.01% |
273,000
+27,300
| +11% | +$202K |
|
3075
PUT
Universal Display
OLED
$3.78B
| $1.93M | ﹤0.01% |
22,300
+6,400
| +40% | +$591K |
|
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.