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 | |
|---|---|---|---|---|---|---|
3226
International Seaways
INSW
$5.18B
| $1.69M | ﹤0.01% |
22,041
+10,989
| +99% | +$891K |
|
3227
CALL
Garrett Motion
GTX
$5.22B
| $1.68M | ﹤0.01% |
46,500
+31,100
| +202% | +$865K |
|
|
QNT
3228
PUT
Quantinuum Inc
QNT
$1.83B
| $1.68M | ﹤0.01% |
+20,600
| New | +$1.32M |
|
3229
PUT
Equinox Gold
EQX
$15B
| $1.68M | ﹤0.01% |
173,200
-48,400
| -22% | -$624K |
|
3230
Curtiss-Wright
CW
$20.9B
| $1.68M | ﹤0.01% |
+2,219
| New | +$1.63M |
|
3231
PUT
Globe Life
GL
$13.4B
| $1.68M | ﹤0.01% |
9,400
-15,500
| -62% | -$2.43M |
|
|
AVB
3232
CALL
DELISTED
AvalonBay Communities
AVB
| $1.68M | ﹤0.01% |
8,900
-6,800
| -43% | -$1.23M |
|
3233
Galicia Financial Group
GGAL
$7.13B
| $1.68M | ﹤0.01% |
33,564
-16,223
| -33% | -$763K |
|
3234
CALL
Centuri Holdings
CTRI
$2.07B
| $1.68M | ﹤0.01% |
55,500
+43,500
| +363% | +$1.4M |
|
3235
CALL
Vermilion Energy
VET
$1.96B
| $1.68M | ﹤0.01% |
179,100
+25,800
| +17% | +$307K |
|
3236
Suncor Energy
SU
$78.8B
| $1.68M | ﹤0.01% |
+31,219
| New | +$1.98M |
|
3237
Canadian Imperial Bank of Commerce
CM
$107B
| $1.68M | ﹤0.01% |
+14,568
| New | +$1.6M |
|
|
RZLV
3238
CALL
Rezolve AI
RZLV
$921M
| $1.67M | ﹤0.01% |
531,200
-67,400
| -11% | -$177K |
|
3239
CALL
Pentair
PNR
$9.61B
| $1.67M | ﹤0.01% |
21,800
+9,000
| +70% | +$712K |
|
|
APPX
3240
CALL
Tradr 2X Long APP Daily ETF
APPX
$103M
| $1.67M | ﹤0.01% |
34,700
-71,000
| -67% | -$2.71M |
|
|
NNDM
3241
CALL
Nano Dimension
NNDM
$342M
| $1.67M | ﹤0.01% |
1,151,500
+923,500
| +405% | +$1.51M |
|
3242
CALL
BioCryst Pharmaceuticals
BCRX
$2.55B
| $1.67M | ﹤0.01% |
+166,900
| New | +$1.51M |
|
3243
PUT
Brunswick
BC
$4.82B
| $1.67M | ﹤0.01% |
19,800
+14,400
| +267% | +$1.15M |
|
3244
Bath & Body Works
BBWI
$3.93B
| $1.67M | ﹤0.01% |
72,011
+53,060
| +280% | +$1.02M |
|
3245
PUT
Cirrus Logic
CRUS
$5.67B
| $1.66M | ﹤0.01% |
11,200
+400
| +4% | +$65.5K |
|
3246
National Fuel Gas
NFG
$7.92B
| $1.66M | ﹤0.01% |
+21,545
| New | +$1.78M |
|
3247
On Holding
ONON
$9.35B
| $1.66M | ﹤0.01% |
46,951
-113,461
| -71% | -$4.15M |
|
3248
State Street Real Estate Select Sector SPDR ETF
XLRE
$8.27B
| $1.66M | ﹤0.01% |
37,734
-39,529
| -51% | -$1.74M |
|
3249
Tyler Technologies
TYL
$14.9B
| $1.66M | ﹤0.01% |
5,679
+3,147
| +124% | +$995K |
|
|
GRRR
3250
Gorilla Technology Group
GRRR
$379M
| $1.66M | ﹤0.01% |
+83,440
| New | +$1.26M |
|
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.