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 | |
|---|---|---|---|---|---|---|---|
4626
PUT
Vanguard FTSE Europe ETF
VGK
$29.8B
| $505K | ﹤0.01% |
5,700
-6,800
| -54% | -$595K |
2026 Q1
1 quarter
|
|
4627
Invesco DB Base Metals Fund
DBB
$357M
| $505K | ﹤0.01% |
20,938
-3,681
| -15% | -$92.5K |
2026 Q1
1 quarter
|
|
4628
PUT
Rayonier
RYN
$5.65B
| $504K | ﹤0.01% |
23,700
+8,400
| +55% | +$176K |
2025 Q3
3 quarters
|
|
4629
PUT
Proficient Auto Logistics
PAL
$89.5M
| $504K | ﹤0.01% |
74,000
+49,700
| +205% | +$332K |
2026 Q1
1 quarter
|
|
4630
PUT
GoodRx Holdings
GDRX
$1.15B
| $503K | ﹤0.01% |
174,800
+3,100
| +2% | +$7.88K |
2025 Q1
5 quarters
|
|
4631
Equifax
EFX
$18.9B
| $503K | ﹤0.01% |
3,166
+1,652
| +109% | +$282K |
2026 Q1
1 quarter
|
|
4632
CALL
Advanced Drainage Systems
WMS
$9.7B
| $502K | ﹤0.01% |
3,200
-1,900
| -37% | -$272K |
2026 Q1
1 quarter
|
|
4633
PUT
Remitly
RELY
$5.11B
| $502K | ﹤0.01% |
22,400
-61,800
| -73% | -$1.27M |
2025 Q2
4 quarters
|
|
4634
Compañía de Minas Buenaventura
BVN
$7.73B
| $502K | ﹤0.01% |
17,123
-32,404
| -65% | -$1.1M |
2025 Q4
2 quarters
|
|
4635
PUT
Woodside Energy
WDS
$44.9B
| $500K | ﹤0.01% |
25,900
+7,600
| +42% | +$169K |
2026 Q1
1 quarter
|
|
4636
T-Rex 2X Long HOOD Daily Target ETF
ROBN
$89.7M
| $499K | ﹤0.01% |
+16,561
| New | +$383K |
2026 Q2
0 quarters
|
|
4637
CALL
Vanguard Total Bond Market
BND
$163B
| $499K | ﹤0.01% |
6,800
+1,700
| +33% | +$125K |
2026 Q1
1 quarter
|
|
4638
American Superconductor
AMSC
$1.24B
| $499K | ﹤0.01% |
+12,020
| New | +$543K |
2026 Q2
0 quarters
|
|
4639
Brink's
BCO
$4.31B
| $499K | ﹤0.01% |
+5,278
| New | +$550K |
2026 Q2
0 quarters
|
|
4640
CALL
TIC Solutions Inc
TIC
$1.89B
| $498K | ﹤0.01% |
61,600
-17,900
| -23% | -$151K |
2026 Q1
1 quarter
|
|
4641
iShares MSCI Canada ETF
EWC
$7.31B
| $498K | ﹤0.01% |
8,642
+4,237
| +96% | +$245K |
2025 Q2
4 quarters
|
|
4642
Bit Digital
BTBT
$346M
| $498K | ﹤0.01% |
276,733
-174,927
| -39% | -$308K |
2024 Q1
9 quarters
|
|
|
4643
CALL
Compañía de Minas Buenaventura
BVN
$7.73B
| $498K | ﹤0.01% |
17,000
-2,200
| -11% | -$74.6K |
2026 Q1
1 quarter
|
|
4644
CALL
CMB.TECH NV
CMBT
$5.01B
| $497K | ﹤0.01% |
35,500
-31,700
| -47% | -$457K |
2025 Q4
2 quarters
|
|
4645
PUT
Landstar System
LSTR
$5.83B
| $496K | ﹤0.01% |
2,400
-300
| -11% | -$57.4K |
2026 Q1
1 quarter
|
|
4646
PUT
AZZ Inc
AZZ
$3.89B
| $496K | ﹤0.01% |
+3,200
| New | +$455K |
2026 Q2
0 quarters
|
|
4647
CALL
Encore Capital Group
ECPG
$2.16B
| $494K | ﹤0.01% |
+5,300
| New | +$432K |
2026 Q2
0 quarters
|
|
4648
PUT
Comstock
LODE
$136M
| $494K | ﹤0.01% |
118,800
-300
| -0.3% | -$1.09K |
2026 Q1
1 quarter
|
|
4649
CALL
Sidus Space
SIDU
$120M
| $494K | ﹤0.01% |
+175,800
| New | +$674K |
2026 Q2
0 quarters
|
|
4650
CALL
Invesco Actively Managed Exch-Traded Commodity Fd Tr Invesco Optimum Yield Diversified Commodity Strategy No K-1 ETF
PDBC
$8.07B
| $494K | ﹤0.01% |
+31,100
| New | +$546K |
2026 Q2
0 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.