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 | |
|---|---|---|---|---|---|---|
2551
CALL
Satellogic
SATL
$712M
| $3.29M | ﹤0.01% |
574,400
+333,700
| +139% | +$2.44M |
|
2552
CALL
Invesco
IVZ
$14.4B
| $3.28M | ﹤0.01% |
124,300
-201,800
| -62% | -$5.35M |
|
2553
PUT
Tidewater
TDW
$4.71B
| $3.28M | ﹤0.01% |
49,200
-22,500
| -31% | -$1.79M |
|
2554
PUT
dLocal
DLO
$4.64B
| $3.27M | ﹤0.01% |
252,000
-113,400
| -31% | -$1.44M |
|
2555
CALL
Blackstone Secured Lending
BXSL
$5.75B
| $3.27M | ﹤0.01% |
138,100
+79,900
| +137% | +$1.91M |
|
2556
Compass Diversified
CODI
$869M
| $3.27M | ﹤0.01% |
306,719
+256,113
| +506% | +$2.79M |
|
2557
Eaton
ETN
$154B
| $3.26M | ﹤0.01% |
7,661
-34,279
| -82% | -$13.8M |
|
2558
CALL
Magna International
MGA
$17.9B
| $3.26M | ﹤0.01% |
49,700
-4,300
| -8% | -$269K |
|
2559
VanEck Junior Gold Miners ETF
GDXJ
$9.97B
| $3.26M | ﹤0.01% |
33,208
-14,542
| -30% | -$1.69M |
|
|
HSAI
2560
Hesai Group
HSAI
$2.9B
| $3.25M | ﹤0.01% |
178,626
+127,363
| +248% | +$2.61M |
|
|
EMBJ
2561
CALL
Embraer S.A. ADS
EMBJ
$13.1B
| $3.25M | ﹤0.01% |
51,000
-5,300
| -9% | -$325K |
|
2562
CALL
Jacobs Solutions
J
$17.3B
| $3.25M | ﹤0.01% |
25,800
+19,000
| +279% | +$2.34M |
|
2563
CALL
Thor Industries
THO
$3.94B
| $3.25M | ﹤0.01% |
43,200
+26,500
| +159% | +$2.04M |
|
2564
PUT
Tenable Holdings
TENB
$3.8B
| $3.25M | ﹤0.01% |
+88,000
| New | +$2.07M |
|
2565
PUT
CoinShares Bitcoin Mining and Digital Power ETF
WGMI
$244M
| $3.24M | ﹤0.01% |
51,400
-10,100
| -16% | -$576K |
|
2566
CALL
Murphy Oil
MUR
$5.35B
| $3.24M | ﹤0.01% |
99,500
-130,700
| -57% | -$5M |
|
2567
CALL
2x Long VIX Futures ETF
UVIX
$191M
| $3.24M | ﹤0.01% |
52,355
+4,810
| +10% | +$478K |
|
2568
Amgen
AMGN
$240B
| $3.23M | ﹤0.01% |
+8,927
| New | +$3.06M |
|
2569
PUT
Hudbay
HBM
$12.3B
| $3.23M | ﹤0.01% |
136,900
+65,400
| +91% | +$1.65M |
|
2570
PUT
Canadian National Railway
CNI
$74.5B
| $3.23M | ﹤0.01% |
27,100
+5,300
| +24% | +$603K |
|
2571
Celanese
CE
$4.96B
| $3.23M | ﹤0.01% |
+70,216
| New | +$4.06M |
|
2572
CALL
Hawaiian Electric Industries
HE
$1.92B
| $3.23M | ﹤0.01% |
238,400
-32,600
| -12% | -$465K |
|
2573
PUT
Deutsche Bank
DB
$78.1B
| $3.22M | ﹤0.01% |
95,500
+43,800
| +85% | +$1.42M |
|
|
CNR
2574
PUT
Core Natural Resources Inc
CNR
$4.84B
| $3.22M | ﹤0.01% |
40,200
+8,000
| +25% | +$709K |
|
2575
CALL
Rackspace Technology
RXT
$839M
| $3.21M | ﹤0.01% |
491,900
+456,500
| +1,290% | +$1.78M |
|
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.