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 | |
|---|---|---|---|---|---|---|
|
TTAN
2101
PUT
ServiceTitan Inc
TTAN
$8.39B
| $4.94M | ﹤0.01% |
69,900
+8,200
| +13% | +$528K |
|
|
JPGE
2102
CALL
DELISTED
JPMorgan Diversified Return Global Equity ETF
JPGE
| $4.94M | ﹤0.01% |
87,500
+56,700
| +184% | +$3.2M |
|
2103
PUT
Innovative Industrial Properties
IIPR
$1.58B
| $4.93M | ﹤0.01% |
79,600
+14,300
| +22% | +$803K |
|
2104
PUT
Signet Jewelers
SIG
$3.31B
| $4.93M | ﹤0.01% |
57,200
-10,300
| -15% | -$890K |
|
2105
CALL
Guardant Health
GH
$21.7B
| $4.92M | ﹤0.01% |
32,800
+16,800
| +105% | +$1.83M |
|
|
GRRR
2106
CALL
Gorilla Technology Group
GRRR
$379M
| $4.9M | ﹤0.01% |
246,500
+134,100
| +119% | +$2.02M |
|
2107
CALL
Vanguard S&P 500 Growth ETF
VOOG
$27.1B
| $4.9M | ﹤0.01% |
59,300
+7,100
| +14% | +$564K |
|
2108
PUT
Sempra
SRE
$55B
| $4.9M | ﹤0.01% |
52,800
+14,500
| +38% | +$1.35M |
|
|
HNGE
2109
PUT
Hinge Health
HNGE
$7.45B
| $4.89M | ﹤0.01% |
58,900
+11,900
| +25% | +$646K |
|
2110
CALL
XP
XP
$10.1B
| $4.88M | ﹤0.01% |
300,400
+107,500
| +56% | +$1.92M |
|
2111
CALL
One Stop Systems
OSS
$249M
| $4.88M | ﹤0.01% |
268,400
+205,600
| +327% | +$2.86M |
|
2112
PUT
Bath & Body Works
BBWI
$3.93B
| $4.88M | ﹤0.01% |
210,900
+73,900
| +54% | +$1.41M |
|
2113
PUT
Groupon
GRPN
$767M
| $4.87M | ﹤0.01% |
202,500
+130,100
| +180% | +$2.15M |
|
2114
PUT
Aecom
ACM
$8.57B
| $4.87M | ﹤0.01% |
69,800
+45,500
| +187% | +$3.48M |
|
2115
Zoetis
ZTS
$31.3B
| $4.87M | ﹤0.01% |
67,756
+53,767
| +384% | +$5.06M |
|
2116
CALL
Harley-Davidson
HOG
$2.95B
| $4.87M | ﹤0.01% |
198,900
-92,600
| -32% | -$2.23M |
|
2117
PUT
KeyCorp
KEY
$23.7B
| $4.86M | ﹤0.01% |
211,000
-52,000
| -20% | -$1.13M |
|
2118
CALL
Warby Parker
WRBY
$3.01B
| $4.86M | ﹤0.01% |
160,200
+114,300
| +249% | +$2.83M |
|
2119
CALL
Regal Rexnord
RRX
$10.8B
| $4.86M | ﹤0.01% |
20,400
+10,000
| +96% | +$2.09M |
|
2120
PUT
Cal-Maine
CALM
$3.49B
| $4.86M | ﹤0.01% |
60,300
-700
| -1% | -$54K |
|
2121
PUT
Dynatrace
DT
$15B
| $4.86M | ﹤0.01% |
110,600
+76,200
| +222% | +$2.97M |
|
2122
PUT
Uranium Energy
UEC
$5.71B
| $4.84M | ﹤0.01% |
454,500
+164,000
| +56% | +$2.2M |
|
2123
Golar LNG
GLNG
$5.32B
| $4.84M | ﹤0.01% |
+97,119
| New | +$5.14M |
|
2124
PUT
Western Midstream Partners
WES
$20.5B
| $4.84M | ﹤0.01% |
110,600
+13,200
| +14% | +$569K |
|
|
DENT
2125
CALL
DELISTED
AdvisorShares Dent Tactical ETF
DENT
| $4.84M | ﹤0.01% |
1,041,100
+182,000
| +21% | +$845K |
|
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.