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 | |
|---|---|---|---|---|---|---|
2876
PUT
Levi Strauss
LEVI
$8.1B
| $2.31M | ﹤0.01% |
93,200
+26,700
| +40% | +$602K |
|
2877
CALL
Jackson Financial
JXN
$9.52B
| $2.31M | ﹤0.01% |
22,600
-2,700
| -11% | -$293K |
|
2878
PUT
Doximity
DOCS
$4.7B
| $2.31M | ﹤0.01% |
111,500
+61,400
| +123% | +$1.36M |
|
2879
SM Energy
SM
$8.67B
| $2.31M | ﹤0.01% |
88,575
-17,358
| -16% | -$521K |
|
2880
Direxion Daily S&P 500 Bear 1X ETF
SPDN
$251M
| $2.31M | ﹤0.01% |
266,397
-707,918
| -73% | -$6.35M |
|
2881
CALL
Arqit Quantum
ARQQ
$372M
| $2.31M | ﹤0.01% |
77,700
+60,300
| +347% | +$981K |
|
2882
nVent Electric
NVT
$25.3B
| $2.3M | ﹤0.01% |
+13,566
| New | +$2.12M |
|
2883
CALL
WEC Energy
WEC
$34.5B
| $2.3M | ﹤0.01% |
19,700
-22,900
| -54% | -$2.61M |
|
2884
PUT
Cytokinetics
CYTK
$10.1B
| $2.3M | ﹤0.01% |
27,000
+17,500
| +184% | +$1.26M |
|
|
2885
CALL
Doximity
DOCS
$4.7B
| $2.3M | ﹤0.01% |
110,900
-8,900
| -7% | -$197K |
|
2886
PUT
Ryder
R
$9.53B
| $2.29M | ﹤0.01% |
8,700
-6,000
| -41% | -$1.47M |
|
2887
CALL
CenterPoint Energy
CNP
$26.1B
| $2.29M | ﹤0.01% |
52,100
-37,500
| -42% | -$1.61M |
|
2888
CALL
Gaming and Leisure Properties
GLPI
$12.2B
| $2.29M | ﹤0.01% |
51,500
+21,200
| +70% | +$992K |
|
2889
CALL
Yum China
YUMC
$14.8B
| $2.29M | ﹤0.01% |
56,100
-35,700
| -39% | -$1.63M |
|
2890
CALL
Beazer Homes USA
BZH
$887M
| $2.29M | ﹤0.01% |
81,700
+700
| +0.9% | +$16.6K |
|
2891
CALL
Allegro MicroSystems
ALGM
$6.82B
| $2.29M | ﹤0.01% |
32,900
+12,600
| +62% | +$590K |
|
2892
PUT
Regions Financial
RF
$25.9B
| $2.29M | ﹤0.01% |
75,800
+4,000
| +6% | +$112K |
|
2893
CVR Energy
CVI
$4.47B
| $2.28M | ﹤0.01% |
+82,888
| New | +$2.63M |
|
|
TEN
2894
PUT
Tsakos Energy Navigation Ltd
TEN
$1.32B
| $2.28M | ﹤0.01% |
64,400
+10,700
| +20% | +$426K |
|
2895
CALL
Western Union
WU
$2.24B
| $2.28M | ﹤0.01% |
295,500
+117,700
| +66% | +$987K |
|
2896
PUT
2x Bitcoin ETF
BITX
$1.25B
| $2.27M | ﹤0.01% |
220,400
-21,200
| -9% | -$344K |
|
|
XOVR
2897
PUT
EntrepreneurShares Series Trust ERShares Private-Public Crossover ETF
XOVR
$1.76B
| $2.27M | ﹤0.01% |
107,800
+79,800
| +285% | +$1.52M |
|
2898
PUT
Alkermes
ALKS
$7.73B
| $2.27M | ﹤0.01% |
43,300
+31,000
| +252% | +$1.21M |
|
|
NUAI
2899
PUT
New Era Energy & Digital Inc
NUAI
$576M
| $2.27M | ﹤0.01% |
355,500
+158,400
| +80% | +$769K |
|
2900
Mercury Insurance
MCY
$5.79B
| $2.27M | ﹤0.01% |
21,267
+14,730
| +225% | +$1.45M |
|
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.