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 | |
|---|---|---|---|---|---|---|
2851
CALL
New Oriental
EDU
$9.47B
| $2.36M | ﹤0.01% |
51,500
-7,600
| -13% | -$386K |
|
2852
PUT
Tencent Music
TME
$13.5B
| $2.36M | ﹤0.01% |
282,400
-86,900
| -24% | -$794K |
|
2853
PUT
Extra Space Storage
EXR
$29.4B
| $2.35M | ﹤0.01% |
16,200
+900
| +6% | +$129K |
|
|
AEVA
2854
PUT
Aeva Technologies
AEVA
$1.09B
| $2.35M | ﹤0.01% |
81,900
+1,200
| +1% | +$23.6K |
|
2855
CALL
Erie Indemnity
ERIE
$13.2B
| $2.35M | ﹤0.01% |
9,800
-3,700
| -27% | -$848K |
|
2856
CALL
Fortuna Silver Mines
FSM
$3.64B
| $2.35M | ﹤0.01% |
278,000
-58,100
| -17% | -$563K |
|
2857
CALL
Methanex
MEOH
$4.54B
| $2.35M | ﹤0.01% |
50,900
-4,900
| -9% | -$289K |
|
2858
CALL
Intellia Therapeutics
NTLA
$1.79B
| $2.35M | ﹤0.01% |
138,600
+55,200
| +66% | +$773K |
|
|
GTLS
2859
CALL
DELISTED
Chart Industries
GTLS
| $2.34M | ﹤0.01% |
11,200
+9,500
| +559% | +$1.97M |
|
2860
EQT Corp
EQT
$34.5B
| $2.34M | ﹤0.01% |
43,941
-21,834
| -33% | -$1.23M |
|
2861
CALL
Cogent Communications
CCOI
$515M
| $2.34M | ﹤0.01% |
168,300
+16,300
| +11% | +$301K |
|
2862
SBA Communications
SBAC
$20.1B
| $2.33M | ﹤0.01% |
13,225
+6,540
| +98% | +$1.35M |
|
2863
PUT
Comstock Resources
CRK
$4.48B
| $2.33M | ﹤0.01% |
156,200
+50,500
| +48% | +$772K |
|
2864
CALL
Invesco CurrencyShares Euro Currency Trust
FXE
$370M
| $2.33M | ﹤0.01% |
22,100
+19,400
| +719% | +$2.08M |
|
|
GOLD
2865
CALL
Gold.com Inc
GOLD
$1.34B
| $2.33M | ﹤0.01% |
56,000
-21,100
| -27% | -$908K |
|
2866
PUT
One Stop Systems
OSS
$249M
| $2.33M | ﹤0.01% |
128,100
+90,800
| +243% | +$1.26M |
|
|
BMNG
2867
PUT
Leverage Shares 2X Long BMNR Daily ETF
BMNG
$61.8M
| $2.33M | ﹤0.01% |
+139,100
| New | +$3.08M |
|
2868
Goldman Sachs
GS
$302B
| $2.33M | ﹤0.01% |
2,300
-6,077
| -73% | -$5.92M |
|
|
MVLL
2869
GraniteShares 2x Long MRVL Daily ETF
MVLL
$345M
| $2.33M | ﹤0.01% |
+40,518
| New | +$1.33M |
|
2870
PUT
IPG Photonics
IPGP
$3.32B
| $2.32M | ﹤0.01% |
19,800
+16,600
| +519% | +$1.91M |
|
2871
PUT
TechnipFMC
FTI
$31.3B
| $2.32M | ﹤0.01% |
35,000
-8,200
| -19% | -$581K |
|
2872
CALL
Louisiana-Pacific
LPX
$4.77B
| $2.32M | ﹤0.01% |
29,500
+21,400
| +264% | +$1.58M |
|
2873
PUT
James Hardie Industries
JHX
$17.6B
| $2.32M | ﹤0.01% |
88,600
+72,900
| +464% | +$1.6M |
|
2874
Federal Realty Investment Trust
FRT
$10.2B
| $2.32M | ﹤0.01% |
18,757
+11,272
| +151% | +$1.31M |
|
|
AMTM
2875
CALL
Amentum Holdings
AMTM
$4.9B
| $2.32M | ﹤0.01% |
112,000
+52,000
| +87% | +$1.26M |
|
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.