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 | |
|---|---|---|---|---|---|---|---|
4501
Cabot Corp
CBT
$3.83B
| $564K | ﹤0.01% |
+6,206
| New | +$507K |
2026 Q2
0 quarters
|
|
4502
CALL
Bitwise Solana Staking ETF
BSOL
$839M
| $564K | ﹤0.01% |
56,300
+25,900
| +85% | +$282K |
2026 Q1
1 quarter
|
|
4503
Allspring Income Opportunities Fund
EAD
$352M
| $563K | ﹤0.01% |
+86,618
| New | +$566K |
2026 Q2
0 quarters
|
|
4504
CALL
Founder-Led ETF
FDRS
$83.1M
| $563K | ﹤0.01% |
+17,600
| New | +$402K |
2026 Q2
0 quarters
|
|
4505
Allegion
ALLE
$13.2B
| $562K | ﹤0.01% |
+4,003
| New | +$544K |
2026 Q2
0 quarters
|
|
4506
PUT
Beyond Meat
BYND
$116M
| $562K | ﹤0.01% |
24,983
+1,123
| +5% | +$26.2K |
2025 Q1
5 quarters
|
|
4507
PUT
Astrana Health
ASTH
$1.84B
| $562K | ﹤0.01% |
12,100
+2,200
| +22% | +$79.2K |
2026 Q1
1 quarter
|
|
4508
T-REX 2X Long SNOW Daily Target ETF
SNOU
$21.1M
| $561K | ﹤0.01% |
+13,750
| New | +$336K |
2026 Q2
0 quarters
|
|
4509
PUT
Par Pacific Holdings
PARR
$4.17B
| $561K | ﹤0.01% |
10,000
-10,900
| -52% | -$649K |
2026 Q1
1 quarter
|
|
4510
Meritage Homes
MTH
$3.85B
| $561K | ﹤0.01% |
+6,685
| New | +$457K |
2026 Q2
0 quarters
|
|
4511
Sensient Technologies
SXT
$5.69B
| $560K | ﹤0.01% |
+4,544
| New | +$506K |
2026 Q2
0 quarters
|
|
4512
CALL
Ibotta
IBTA
$963M
| $560K | ﹤0.01% |
16,400
+2,000
| +14% | +$66.7K |
2026 Q1
1 quarter
|
|
4513
Kopin
KOPN
$594M
| $559K | ﹤0.01% |
124,850
+52,556
| +73% | +$229K |
2025 Q2
4 quarters
|
|
4514
PUT
Brookfield Renewable
BEP
$8.53B
| $559K | ﹤0.01% |
16,100
+5,300
| +49% | +$184K |
2025 Q4
2 quarters
|
|
4515
Avery Dennison
AVY
$13.3B
| $558K | ﹤0.01% |
+3,440
| New | +$560K |
2026 Q2
0 quarters
|
|
4516
eToro Group
ETOR
$1.93B
| $558K | ﹤0.01% |
+14,138
| New | +$533K |
2026 Q2
0 quarters
|
|
4517
CALL
Invesco DB US Dollar Index Bearish Fund
UDN
$103M
| $557K | ﹤0.01% |
31,200
-10,600
| -25% | -$193K |
2025 Q2
4 quarters
|
|
4518
CALL
Sabre
SABR
$686M
| $557K | ﹤0.01% |
266,600
-86,700
| -25% | -$152K |
2024 Q2
8 quarters
|
|
4519
Global X Cybersecurity ETF
BUG
$2.03B
| $556K | ﹤0.01% |
14,562
-60,729
| -81% | -$1.87M |
2026 Q1
1 quarter
|
|
4520
Bandwidth Inc
BAND
$1.36B
| $556K | ﹤0.01% |
8,784
-3,472
| -28% | -$156K |
2026 Q1
1 quarter
|
|
4521
PUT
Open Text
OTEX
$6.15B
| $556K | ﹤0.01% |
25,100
+10,900
| +77% | +$247K |
2026 Q1
1 quarter
|
|
4522
PUT
indie Semiconductor
INDI
$427M
| $555K | ﹤0.01% |
123,700
+49,100
| +66% | +$196K |
2025 Q3
3 quarters
|
|
4523
BeOne Medicines Ltd
ONC
$41.8B
| $555K | ﹤0.01% |
+1,949
| New | +$574K |
2026 Q2
0 quarters
|
|
4524
PUT
Full Truck Alliance
YMM
$9.08B
| $555K | ﹤0.01% |
68,300
+11,000
| +19% | +$93.6K |
2026 Q1
1 quarter
|
|
4525
PUT
RELX
RELX
$67.7B
| $554K | ﹤0.01% |
+17,500
| New | +$593K |
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.