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 | |
|---|---|---|---|---|---|---|
851
CALL
Simon Property Group
SPG
$68.2B
| $29.1M | 0.01% |
130,200
+24,800
| +24% | +$5.1M |
|
852
PUT
Dick's Sporting Goods
DKS
$12.5B
| $29.1M | 0.01% |
128,300
-12,900
| -9% | -$2.85M |
|
853
PUT
Ares Management
ARES
$31.5B
| $28.9M | 0.01% |
259,500
-44,000
| -14% | -$5.28M |
|
854
CALL
Planet Labs
PL
$6.38B
| $28.9M | 0.01% |
871,800
-17,000
| -2% | -$629K |
|
855
Intuit
INTU
$91.1B
| $28.9M | 0.01% |
+110,604
| New | +$38.5M |
|
856
PUT
Nu Holdings
NU
$74.4B
| $28.8M | 0.01% |
2,155,600
+548,700
| +34% | +$7.4M |
|
857
PUT
American Tower
AMT
$82B
| $28.7M | 0.01% |
175,700
+28,700
| +20% | +$5.17M |
|
858
CALL
Casey's General Stores
CASY
$27.8B
| $28.7M | 0.01% |
36,100
+21,600
| +149% | +$17.4M |
|
859
CALL
Prudential Financial
PRU
$42.5B
| $28.7M | 0.01% |
265,800
+17,700
| +7% | +$1.8M |
|
860
CALL
Best Buy
BBY
$19.1B
| $28.7M | 0.01% |
377,600
+42,600
| +13% | +$2.83M |
|
861
PUT
Halliburton
HAL
$30.9B
| $28.6M | 0.01% |
843,700
+77,200
| +10% | +$3.02M |
|
862
PUT
The Mosaic Company
MOS
$8.21B
| $28.6M | 0.01% |
1,351,300
+223,900
| +20% | +$5.18M |
|
|
GLXY
863
PUT
Galaxy Digital Inc
GLXY
$5.06B
| $28.6M | 0.01% |
1,046,500
+449,500
| +75% | +$12.5M |
|
864
PUT
AstraZeneca
AZN
$250B
| $28.6M | 0.01% |
150,800
+37,800
| +33% | +$7.11M |
|
865
CALL
Kroger
KR
$36B
| $28.6M | 0.01% |
514,600
+74,200
| +17% | +$4.84M |
|
866
CALL
Strive Inc
ASST
$2.53B
| $28.6M | 0.01% |
2,619,200
-217,500
| -8% | -$3.22M |
|
867
CALL
Stryker
SYK
$116B
| $28.6M | 0.01% |
90,700
+30,300
| +50% | +$9.55M |
|
868
CALL
Advanced Energy
AEIS
$11.2B
| $28.5M | 0.01% |
76,400
+16,000
| +26% | +$5.6M |
|
869
PUT
Vicor
VICR
$8.6B
| $28.4M | 0.01% |
74,900
+38,200
| +104% | +$10.4M |
|
870
CALL
AB InBev
BUD
$158B
| $28.4M | 0.01% |
345,100
+31,400
| +10% | +$2.47M |
|
871
CALL
Rambus
RMBS
$9.22B
| $28.4M | 0.01% |
213,800
+120,200
| +128% | +$15.6M |
|
872
CALL
Pan American Silver
PAAS
$21.4B
| $28.4M | 0.01% |
633,500
-97,400
| -13% | -$5.22M |
|
873
CALL
Natera
NTRA
$46.9B
| $28.4M | 0.01% |
104,500
+84,200
| +415% | +$18M |
|
874
Coinbase
COIN
$48.8B
| $28.3M | 0.01% |
193,907
+139,016
| +253% | +$25.1M |
|
875
PUT
Amkor Technology
AMKR
$11.8B
| $28.3M | 0.01% |
328,500
+237,500
| +261% | +$16.9M |
|
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.