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 | |
|---|---|---|---|---|---|---|
551
PUT
Live Nation Entertainment
LYV
$40.4B
| $55.6M | 0.01% |
303,900
+19,100
| +7% | +$3.14M |
|
552
CALL
Archer Daniels Midland
ADM
$40.8B
| $55.6M | 0.01% |
728,300
+256,300
| +54% | +$19.5M |
|
553
CALL
State Street Consumer Discretionary Select Sector SPDR ETF
XLY
$22.4B
| $55.6M | 0.01% |
474,100
-37,600
| -7% | -$4.39M |
|
|
UCD
554
CALL
DELISTED
PROSHARES ULTRA BLOOMBERG COMMODITY
UCD
| $55.5M | 0.01% |
920,200
-44,800
| -5% | -$2.7M |
|
|
TYNS
555
CALL
DELISTED
Direxion Daily 7-10 Year Treasury Bear 1X Shares
TYNS
| $55.3M | 0.01% |
381,000
+63,200
| +20% | +$9.17M |
|
556
Take-Two Interactive
TTWO
$40.1B
| $55.2M | 0.01% |
220,824
+138,624
| +169% | +$30.6M |
|
557
PUT
Wynn Resorts
WYNN
$9.43B
| $55.2M | 0.01% |
568,200
+120,600
| +27% | +$12.4M |
|
558
PUT
Sea Limited
SE
$68.7B
| $55.1M | 0.01% |
575,100
-2,900
| -0.5% | -$255K |
|
559
PUT
W.W. Grainger
GWW
$62.4B
| $54.7M | 0.01% |
40,200
+16,000
| +66% | +$19.7M |
|
560
CALL
Cboe Global Markets
CBOE
$31.2B
| $54.7M | 0.01% |
225,300
+157,600
| +233% | +$48.2M |
|
561
Chevron
CVX
$409B
| $54.6M | 0.01% |
+329,207
| New | +$61.3M |
|
562
PUT
ProShares UltraPro Short QQQ
SQQQ
$1.92B
| $54.5M | 0.01% |
1,501,800
-200
| -0% | -$9.65K |
|
563
PUT
General Motors
GM
$77B
| $54.5M | 0.01% |
706,500
-95,600
| -12% | -$7.51M |
|
564
CALL
Medtronic
MDT
$120B
| $54.5M | 0.01% |
696,100
+294,200
| +73% | +$23.7M |
|
565
CALL
SolarEdge
SEDG
$2.1B
| $54.4M | 0.01% |
931,300
+156,700
| +20% | +$8.21M |
|
566
PUT
TJX Companies
TJX
$145B
| $54.4M | 0.01% |
359,100
-11,700
| -3% | -$1.85M |
|
567
CALL
Jabil
JBL
$32.5B
| $54.4M | 0.01% |
141,100
+25,300
| +22% | +$8.74M |
|
568
CALL
Interactive Brokers
IBKR
$42B
| $54.3M | 0.01% |
623,600
-73,000
| -10% | -$6.08M |
|
569
CALL
Dave Inc
DAVE
$4.86B
| $54.2M | 0.01% |
145,500
+16,500
| +13% | +$4.29M |
|
570
CALL
Emerson Electric
EMR
$85.2B
| $54.2M | 0.01% |
378,500
+157,400
| +71% | +$22.2M |
|
571
CALL
Futu Holdings
FUTU
$17.1B
| $54.2M | 0.01% |
577,800
+395,400
| +217% | +$50.6M |
|
572
CALL
Devon Energy
DVN
$52.9B
| $53.9M | 0.01% |
1,305,400
+925,800
| +244% | +$42.9M |
|
573
PUT
American Airlines Group
AAL
$8.69B
| $53.9M | 0.01% |
2,984,600
-598,800
| -17% | -$8.01M |
|
|
574
PUT
Jabil
JBL
$32.5B
| $53.8M | 0.01% |
139,600
+65,000
| +87% | +$22.5M |
|
575
CALL
JFrog
FROG
$10.8B
| $53.8M | 0.01% |
592,000
+470,500
| +387% | +$30.6M |
|
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.