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 | |
|---|---|---|---|---|---|---|
3651
Cerence
CRNC
$386M
| $1.18M | ﹤0.01% |
104,104
+69,583
| +202% | +$682K |
|
|
PONY
3652
PUT
Pony AI Inc
PONY
$3.19B
| $1.18M | ﹤0.01% |
169,500
-8,400
| -5% | -$77.9K |
|
3653
CALL
EPR Properties
EPR
$4.6B
| $1.18M | ﹤0.01% |
20,300
+5,000
| +33% | +$284K |
|
3654
Akamai
AKAM
$15.1B
| $1.18M | ﹤0.01% |
9,954
+638
| +7% | +$79.4K |
|
3655
CALL
Immunovant
IMVT
$8.11B
| $1.18M | ﹤0.01% |
30,500
+100
| +0.3% | +$3.05K |
|
3656
CALL
Extreme Networks
EXTR
$2.83B
| $1.18M | ﹤0.01% |
36,300
+23,000
| +173% | +$555K |
|
|
MRP
3657
PUT
Millrose Properties Inc
MRP
$5.32B
| $1.17M | ﹤0.01% |
39,100
+21,500
| +122% | +$622K |
|
3658
CALL
United States Gasoline Fund
UGA
$153M
| $1.17M | ﹤0.01% |
11,400
-1,500
| -12% | -$163K |
|
|
BLDP
3659
CALL
Ballard Power Systems
BLDP
$706M
| $1.17M | ﹤0.01% |
301,200
+283,100
| +1,564% | +$1.15M |
|
3660
CALL
Agilysys
AGYS
$3.14B
| $1.17M | ﹤0.01% |
+11,200
| New | +$867K |
|
3661
PUT
Banco Bilbao Vizcaya Argentaria
BBVA
$163B
| $1.17M | ﹤0.01% |
46,700
+30,200
| +183% | +$689K |
|
3662
PUT
Lazard
LAZ
$4.39B
| $1.17M | ﹤0.01% |
27,900
+12,800
| +85% | +$586K |
|
3663
CALL
Schrodinger
SDGR
$1.5B
| $1.17M | ﹤0.01% |
72,000
+20,900
| +41% | +$280K |
|
3664
PUT
Biohaven
BHVN
$2.37B
| $1.17M | ﹤0.01% |
78,600
+57,500
| +273% | +$619K |
|
3665
PUT
Azenta
AZTA
$1.37B
| $1.17M | ﹤0.01% |
+45,800
| New | +$1.03M |
|
3666
CALL
Concentrix
CNXC
$1.96B
| $1.17M | ﹤0.01% |
52,100
-1,200
| -2% | -$31.3K |
|
3667
PUT
CenterPoint Energy
CNP
$26.1B
| $1.17M | ﹤0.01% |
26,500
+10,000
| +61% | +$428K |
|
3668
Olin
OLN
$1.98B
| $1.17M | ﹤0.01% |
58,881
-68,959
| -54% | -$1.8M |
|
3669
CALL
Donaldson
DCI
$10.6B
| $1.17M | ﹤0.01% |
13,000
+2,600
| +25% | +$224K |
|
|
VSNT
3670
PUT
Versant Media Group
VSNT
$5.37B
| $1.17M | ﹤0.01% |
32,400
+21,800
| +206% | +$876K |
|
|
DGXX
3671
CALL
Digi Power X Inc
DGXX
$380M
| $1.17M | ﹤0.01% |
213,800
+134,200
| +169% | +$732K |
|
3672
Timken Company
TKR
$8.53B
| $1.16M | ﹤0.01% |
+7,999
| New | +$962K |
|
3673
Perrigo
PRGO
$2.07B
| $1.16M | ﹤0.01% |
111,868
-360,443
| -76% | -$3.97M |
|
3674
PUT
Winnebago Industries
WGO
$877M
| $1.16M | ﹤0.01% |
37,200
-8,300
| -18% | -$253K |
|
3675
CALL
Beyond Meat
BYND
$203M
| $1.16M | ﹤0.01% |
51,637
+19,710
| +62% | +$459K |
|
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.