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 | |
|---|---|---|---|---|---|---|
1651
CALL
Fastly Inc
FSLY
$3.28B
| $8.6M | ﹤0.01% |
468,400
+62,100
| +15% | +$1.35M |
|
1652
CALL
Toyota
TM
$233B
| $8.57M | ﹤0.01% |
50,900
-14,400
| -22% | -$2.73M |
|
1653
CALL
Primoris Services
PRIM
$4.01B
| $8.56M | ﹤0.01% |
86,400
+67,700
| +362% | +$8.9M |
|
|
RGTX
1654
CALL
Defiance Daily Target 2X Long RGTI ETF
RGTX
$41.8M
| $8.54M | ﹤0.01% |
246,000
-48,900
| -17% | -$1.14M |
|
1655
PUT
Eldorado Gold
EGO
$11.2B
| $8.54M | ﹤0.01% |
274,600
+22,100
| +9% | +$719K |
|
1656
CALL
Ventas
VTR
$46.3B
| $8.53M | ﹤0.01% |
96,100
+37,900
| +65% | +$3.23M |
|
1657
PUT
J.M. Smucker
SJM
$13.5B
| $8.52M | ﹤0.01% |
75,700
+3,900
| +5% | +$397K |
|
1658
CALL
Mirion Technologies
MIR
$4.12B
| $8.5M | ﹤0.01% |
474,200
+388,700
| +455% | +$7.21M |
|
1659
CALL
TC Energy
TRP
$65.2B
| $8.5M | ﹤0.01% |
128,200
+68,400
| +114% | +$4.52M |
|
1660
CALL
Ferguson
FERG
$44.2B
| $8.5M | ﹤0.01% |
35,800
+18,000
| +101% | +$4.34M |
|
1661
PUT
Bunge Global
BG
$22.8B
| $8.5M | ﹤0.01% |
79,600
+26,700
| +50% | +$3.28M |
|
1662
KKR & Co
KKR
$96.7B
| $8.49M | ﹤0.01% |
92,544
-109,740
| -54% | -$10.6M |
|
|
SA
1663
PUT
Seabridge Gold
SA
$3.43B
| $8.49M | ﹤0.01% |
329,900
+5,600
| +2% | +$168K |
|
|
EH
1664
CALL
EHang Holdings
EH
$356M
| $8.48M | ﹤0.01% |
1,295,400
+266,400
| +26% | +$2.49M |
|
1665
CALL
HEICO Corp
HEI
$45.5B
| $8.48M | ﹤0.01% |
23,800
+4,100
| +21% | +$1.25M |
|
1666
PUT
Unilever
UL
$138B
| $8.47M | ﹤0.01% |
140,900
-22,400
| -14% | -$1.29M |
|
1667
PUT
Motorola Solutions
MSI
$77.5B
| $8.43M | ﹤0.01% |
20,300
-37,900
| -65% | -$15.9M |
|
1668
UiPath
PATH
$7.87B
| $8.42M | ﹤0.01% |
774,427
-50,045
| -6% | -$534K |
|
1669
PUT
Lennar Class A
LEN
$20.1B
| $8.42M | ﹤0.01% |
93,000
-96,700
| -51% | -$8.65M |
|
1670
LyondellBasell Industries
LYB
$20.5B
| $8.39M | ﹤0.01% |
+159,312
| New | +$11M |
|
|
FRMI
1671
PUT
Fermi Inc
FRMI
$3.28B
| $8.38M | ﹤0.01% |
915,300
+588,400
| +180% | +$3.72M |
|
1672
CALL
Exelon
EXC
$45B
| $8.38M | ﹤0.01% |
179,800
+16,100
| +10% | +$745K |
|
1673
PUT
Hycroft Mining Holding Corp
HYMC
$2.11B
| $8.37M | ﹤0.01% |
357,500
+68,800
| +24% | +$2.32M |
|
1674
CALL
Vale
VALE
$65B
| $8.33M | ﹤0.01% |
553,700
+67,100
| +14% | +$1.09M |
|
1675
PUT
Citizens Financial Group
CFG
$29.8B
| $8.32M | ﹤0.01% |
118,800
+29,800
| +33% | +$1.92M |
|
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.