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 | |
|---|---|---|---|---|---|---|
1026
CALL
Carrier Global
CARR
$49.2B
| $21.2M | 0.01% |
288,800
-91,300
| -24% | -$5.97M |
|
1027
CALL
Chewy
CHWY
$9.69B
| $21.2M | 0.01% |
1,077,200
+394,000
| +58% | +$8.95M |
|
1028
CALL
Aon
AON
$68.5B
| $21.2M | 0.01% |
63,800
+36,600
| +135% | +$11.8M |
|
1029
PUT
Devon Energy
DVN
$52.9B
| $21.1M | 0.01% |
510,100
+359,700
| +239% | +$16.7M |
|
1030
iPath Series B S&P 500 VIX Short-Term Futures ETN
VXX
$128M
| $21.1M | 0.01% |
953,876
+291,500
| +44% | +$7.92M |
|
1031
PUT
Prologis
PLD
$131B
| $21M | 0.01% |
155,300
+18,800
| +14% | +$2.67M |
|
1032
PUT
BlackBerry
BB
$4.51B
| $21M | 0.01% |
1,656,500
+1,320,100
| +392% | +$9.22M |
|
1033
CALL
PennyMac Financial
PFSI
$3.81B
| $20.9M | 0.01% |
240,200
+117,700
| +96% | +$10.2M |
|
|
DRAM
1034
Roundhill Memory ETF
DRAM
$28B
| $20.9M | 0.01% |
+282,952
| New | +$14.7M |
|
1035
PUT
Kinder Morgan
KMI
$69.9B
| $20.9M | 0.01% |
653,300
+260,000
| +66% | +$8.38M |
|
1036
Celsius Holdings
CELH
$7.76B
| $20.8M | 0.01% |
711,652
+587,039
| +471% | +$18.5M |
|
1037
CALL
Vanguard High Dividend Yield ETF
VYM
$82.8B
| $20.8M | 0.01% |
131,700
+77,400
| +143% | +$12.1M |
|
1038
CALL
Franco-Nevada
FNV
$51.3B
| $20.7M | 0.01% |
99,500
-12,100
| -11% | -$2.82M |
|
1039
PUT
MetLife
MET
$62B
| $20.7M | ﹤0.01% |
244,900
-6,400
| -3% | -$516K |
|
1040
PUT
argenx
ARGX
$64.6B
| $20.7M | ﹤0.01% |
22,300
-4,400
| -16% | -$3.63M |
|
1041
CALL
Global Payments
GPN
$24.5B
| $20.6M | ﹤0.01% |
283,800
+76,800
| +37% | +$5.29M |
|
1042
CALL
Hubbell
HUBB
$24.3B
| $20.6M | ﹤0.01% |
39,300
+27,500
| +233% | +$13.9M |
|
1043
ExxonMobil
XOM
$656B
| $20.5M | ﹤0.01% |
+150,178
| New | +$22.5M |
|
|
1044
PUT
Global Payments
GPN
$24.5B
| $20.5M | ﹤0.01% |
282,400
+142,100
| +101% | +$9.78M |
|
1045
PUT
General Mills
GIS
$20.5B
| $20.5M | ﹤0.01% |
588,300
+47,400
| +9% | +$1.64M |
|
1046
Synopsys
SNPS
$75.5B
| $20.4M | ﹤0.01% |
45,806
+8,178
| +22% | +$3.85M |
|
|
DOCU
1047
CALL
DocuSign
DOCU
$13.1B
| $20.4M | ﹤0.01% |
459,200
+61,100
| +15% | +$2.86M |
|
1048
Mercado Libre
MELI
$100B
| $20.4M | ﹤0.01% |
+12,000
| New | +$20.5M |
|
1049
CALL
GoDaddy
GDDY
$12.8B
| $20.4M | ﹤0.01% |
239,900
+145,100
| +153% | +$12.2M |
|
1050
PUT
Intuitive Machines
LUNR
$2.38B
| $20.3M | ﹤0.01% |
948,800
+397,800
| +72% | +$11.2M |
|
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.