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 | |
|---|---|---|---|---|---|---|
3001
Joby Aviation
JOBY
$6.67B
| $2.06M | ﹤0.01% |
231,436
+40,889
| +21% | +$395K |
|
3002
CALL
MakeMyTrip
MMYT
$5.23B
| $2.06M | ﹤0.01% |
38,700
-29,000
| -43% | -$1.32M |
|
3003
CALL
Urban Outfitters
URBN
$6.94B
| $2.06M | ﹤0.01% |
29,100
-51,100
| -64% | -$3.64M |
|
3004
Blue Owl Capital
OWL
$8.04B
| $2.06M | ﹤0.01% |
+235,299
| New | +$2.24M |
|
3005
CALL
Granite Construction
GVA
$5.3B
| $2.06M | ﹤0.01% |
13,000
+11,200
| +622% | +$1.52M |
|
3006
PUT
Vanguard Total International Stock ETF
VXUS
$165B
| $2.05M | ﹤0.01% |
24,000
+900
| +4% | +$75.4K |
|
3007
CMS Energy
CMS
$21.5B
| $2.05M | ﹤0.01% |
+26,820
| New | +$2.01M |
|
3008
PUT
United Microelectronic
UMC
$52.1B
| $2.05M | ﹤0.01% |
75,300
+36,300
| +93% | +$620K |
|
3009
PUT
Sibanye-Stillwater
SBSW
$9.05B
| $2.05M | ﹤0.01% |
241,000
-1,200
| -0.5% | -$14K |
|
3010
CALL
BellRing Brands
BRBR
$1.21B
| $2.04M | ﹤0.01% |
158,000
+40,300
| +34% | +$486K |
|
|
GOLD
3011
PUT
Gold.com Inc
GOLD
$1.34B
| $2.04M | ﹤0.01% |
49,000
-2,800
| -5% | -$120K |
|
3012
Global Payments
GPN
$24.5B
| $2.04M | ﹤0.01% |
28,099
-14,077
| -33% | -$969K |
|
3013
CALL
Jack Henry & Associates
JKHY
$11.6B
| $2.04M | ﹤0.01% |
+14,800
| New | +$2.1M |
|
3014
CALL
US Foods
USFD
$22.5B
| $2.03M | ﹤0.01% |
19,900
-10,300
| -34% | -$919K |
|
3015
PUT
StoneCo
STNE
$2.33B
| $2.03M | ﹤0.01% |
187,700
-3,500
| -2% | -$41.5K |
|
3016
CALL
Vodafone
VOD
$39.1B
| $2.03M | ﹤0.01% |
153,500
+30,600
| +25% | +$464K |
|
3017
PUT
Harmony Gold Mining
HMY
$12.7B
| $2.03M | ﹤0.01% |
133,300
-24,800
| -16% | -$412K |
|
3018
CALL
Levi Strauss
LEVI
$8.1B
| $2.03M | ﹤0.01% |
81,600
+1,300
| +2% | +$29.3K |
|
3019
PUT
Dave & Buster's
PLAY
$303M
| $2.03M | ﹤0.01% |
177,700
+73,700
| +71% | +$878K |
|
3020
PUT
Stellantis
STLA
$16.1B
| $2.03M | ﹤0.01% |
352,800
+119,400
| +51% | +$883K |
|
3021
PUT
Valmont Industries
VMI
$9.29B
| $2.02M | ﹤0.01% |
3,500
-2,500
| -42% | -$1.26M |
|
3022
CALL
Option Care Health
OPCH
$3.63B
| $2.02M | ﹤0.01% |
96,400
+27,100
| +39% | +$630K |
|
|
DXYZ
3023
CALL
Destiny Tech100
DXYZ
$996M
| $2.02M | ﹤0.01% |
+78,400
| New | +$2.95M |
|
3024
Uranium Energy
UEC
$5.71B
| $2.02M | ﹤0.01% |
189,449
+120,391
| +174% | +$1.62M |
|
3025
GraniteShares 2x Long MSFT Daily ETF
MSFL
$72.9M
| $2.02M | ﹤0.01% |
137,064
+80,564
| +143% | +$1.44M |
|
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.