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 |
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 | Held Since | |
|---|---|---|---|---|---|---|---|
551
PUT
Live Nation Entertainment
LYV
$40.4B
| $55.6M | 0.01% |
303,900
+19,100
| +7% | +$3.14M |
2020 Q1
25 quarters
|
|
552
CALL
Archer Daniels Midland
ADM
$38.6B
| $55.6M | 0.01% |
728,300
+256,300
| +54% | +$19.5M |
2022 Q4
14 quarters
|
|
553
CALL
State Street Consumer Discretionary Select Sector SPDR ETF
XLY
$22.1B
| $55.6M | 0.01% |
474,100
-37,600
| -7% | -$4.39M |
2018 Q4
30 quarters
|
|
|
UCD
554
CALL
DELISTED
PROSHARES ULTRA BLOOMBERG COMMODITY
UCD
| $55.5M | 0.01% |
920,200
-44,800
| -5% | -$2.7M |
2021 Q4
18 quarters
|
|
|
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 |
2021 Q4
18 quarters
|
|
556
Take-Two Interactive
TTWO
$38.1B
| $55.2M | 0.01% |
220,824
+138,624
| +169% | +$30.6M |
2025 Q3
3 quarters
|
|
557
PUT
Wynn Resorts
WYNN
$7.49B
| $55.2M | 0.01% |
568,200
+120,600
| +27% | +$12.4M |
2018 Q4
30 quarters
|
|
558
PUT
Sea Limited
SE
$45.7B
| $55.1M | 0.01% |
575,100
-2,900
| -0.5% | -$255K |
2020 Q1
25 quarters
|
|
559
PUT
W.W. Grainger
GWW
$63.6B
| $54.7M | 0.01% |
40,200
+16,000
| +66% | +$19.7M |
2026 Q1
1 quarter
|
|
560
CALL
Cboe Global Markets
CBOE
$35.6B
| $54.7M | 0.01% |
225,300
+157,600
| +233% | +$48.2M |
2022 Q1
17 quarters
|
|
561
Chevron
CVX
$457B
| $54.6M | 0.01% |
+329,207
| New | +$61.3M |
2026 Q2
0 quarters
|
|
562
PUT
ProShares UltraPro Short QQQ
SQQQ
$2.19B
| $54.5M | 0.01% |
1,501,800
-200
| -0% | -$9.7K |
2025 Q4
2 quarters
|
|
563
PUT
General Motors
GM
$64.5B
| $54.5M | 0.01% |
706,500
-95,600
| -12% | -$7.51M |
2018 Q4
30 quarters
|
|
564
CALL
Medtronic
MDT
$122B
| $54.5M | 0.01% |
696,100
+294,200
| +73% | +$23.7M |
2022 Q3
15 quarters
|
|
565
CALL
SolarEdge
SEDG
$2.05B
| $54.4M | 0.01% |
931,300
+156,700
| +20% | +$8.21M |
2020 Q4
22 quarters
|
|
566
PUT
TJX Companies
TJX
$160B
| $54.4M | 0.01% |
359,100
-11,700
| -3% | -$1.85M |
2023 Q3
11 quarters
|
|
567
CALL
Jabil
JBL
$28.7B
| $54.4M | 0.01% |
141,100
+25,300
| +22% | +$8.74M |
2023 Q2
12 quarters
|
|
568
CALL
Interactive Brokers
IBKR
$36.4B
| $54.3M | 0.01% |
623,600
-73,000
| -10% | -$6.08M |
2023 Q3
11 quarters
|
|
569
CALL
Dave Inc
DAVE
$4.52B
| $54.2M | 0.01% |
145,500
+16,500
| +13% | +$4.29M |
2024 Q4
6 quarters
|
|
570
CALL
Emerson Electric
EMR
$90.1B
| $54.2M | 0.01% |
378,500
+157,400
| +71% | +$22.2M |
2022 Q3
15 quarters
|
|
571
CALL
Futu Holdings
FUTU
$13.9B
| $54.2M | 0.01% |
577,800
+395,400
| +217% | +$50.6M |
2021 Q1
21 quarters
|
|
572
CALL
Devon Energy
DVN
$56.5B
| $53.9M | 0.01% |
1,305,400
+925,800
| +244% | +$42.9M |
2018 Q4
30 quarters
|
|
573
PUT
American Airlines Group
AAL
$8.02B
| $53.9M | 0.01% |
2,984,600
-598,800
| -17% | -$8.01M |
2018 Q4
30 quarters
|
|
|
574
PUT
Jabil
JBL
$28.7B
| $53.8M | 0.01% |
139,600
+65,000
| +87% | +$22.5M |
2023 Q2
12 quarters
|
|
575
CALL
JFrog
FROG
$12.4B
| $53.8M | 0.01% |
592,000
+470,500
| +387% | +$30.6M |
2024 Q1
9 quarters
|
|
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.