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 | |
|---|---|---|---|---|---|---|
|
HONA
1501
Honeywell Aerospace
HONA
$51B
| $10.5M | ﹤0.01% |
+47,532
| New | +$10.5M |
|
1502
Linde
LIN
$220B
| $10.5M | ﹤0.01% |
+20,231
| New | +$10.2M |
|
1503
Twilio
TWLO
$35.8B
| $10.5M | ﹤0.01% |
50,880
+42,544
| +510% | +$7.54M |
|
1504
CALL
IQVIA
IQV
$44.1B
| $10.5M | ﹤0.01% |
54,200
+28,500
| +111% | +$4.97M |
|
1505
STMicroelectronics
STM
$46.6B
| $10.5M | ﹤0.01% |
139,583
+49,136
| +54% | +$2.95M |
|
1506
CALL
Invesco CurrencyShares Japanese Yen Trust
FXY
$469M
| $10.4M | ﹤0.01% |
185,000
+48,600
| +36% | +$2.8M |
|
1507
CALL
Western Midstream Partners
WES
$20.5B
| $10.4M | ﹤0.01% |
238,400
+129,800
| +120% | +$5.59M |
|
1508
CALL
SiriusXM
SIRI
$9.77B
| $10.4M | ﹤0.01% |
352,900
+37,800
| +12% | +$1.02M |
|
1509
CALL
Blue Owl Capital
OWL
$8.04B
| $10.4M | ﹤0.01% |
1,187,000
-109,500
| -8% | -$1.04M |
|
1510
CALL
International Paper
IP
$19.7B
| $10.4M | ﹤0.01% |
272,400
+22,800
| +9% | +$781K |
|
|
SMU
1511
PUT
Tradr 2X Long SMR Daily ETF
SMU
$55.6M
| $10.4M | ﹤0.01% |
338,100
+201,800
| +148% | +$2.57M |
|
1512
PUT
Vishay Intertechnology
VSH
$4.88B
| $10.4M | ﹤0.01% |
+192,700
| New | +$7.88M |
|
1513
CALL
ARK Genomic Revolution ETF
ARKG
$2B
| $10.4M | ﹤0.01% |
246,300
-28,400
| -10% | -$904K |
|
1514
PUT
Eos Energy Enterprises
EOSE
$1.41B
| $10.4M | ﹤0.01% |
1,761,000
-60,600
| -3% | -$421K |
|
1515
PUT
TKO Group
TKO
$13.6B
| $10.3M | ﹤0.01% |
51,300
-48,400
| -49% | -$9.44M |
|
1516
CALL
Grayscale Bitcoin Trust
GBTC
$12B
| $10.3M | ﹤0.01% |
225,900
-15,200
| -6% | -$848K |
|
1517
CALL
-1x Short VIX Futures ETF
SVIX
$160M
| $10.3M | ﹤0.01% |
432,000
-100,700
| -19% | -$2.03M |
|
1518
CALL
TripAdvisor
TRIP
$1.09B
| $10.3M | ﹤0.01% |
748,200
+388,700
| +108% | +$4.4M |
|
1519
PUT
Ally Financial
ALLY
$13.3B
| $10.3M | ﹤0.01% |
223,200
-4,300
| -2% | -$187K |
|
1520
Cheniere Energy
LNG
$60.3B
| $10.2M | ﹤0.01% |
+42,822
| New | +$10.7M |
|
1521
CALL
Alexandria Real Estate Equities
ARE
$9.06B
| $10.2M | ﹤0.01% |
193,500
+11,700
| +6% | +$560K |
|
1522
ProShares Bitcoin Strategy ETF
BITO
$1.68B
| $10.2M | ﹤0.01% |
+1,281,050
| New | +$12.6M |
|
1523
PUT
Sprouts Farmers Market
SFM
$7.59B
| $10.2M | ﹤0.01% |
120,600
-27,600
| -19% | -$2.23M |
|
1524
PUT
PACCAR
PCAR
$65.6B
| $10.2M | ﹤0.01% |
84,900
+61,000
| +255% | +$7.2M |
|
1525
PUT
Public Storage
PSA
$55.6B
| $10.2M | ﹤0.01% |
32,000
+1,200
| +4% | +$367K |
|
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.