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 | |
|---|---|---|---|---|---|---|
2951
CALL
New York Times
NYT
$10.9B
| $2.16M | ﹤0.01% |
30,800
+13,100
| +74% | +$1.01M |
|
2952
PUT
Pentair
PNR
$9.61B
| $2.15M | ﹤0.01% |
28,100
+12,700
| +82% | +$1M |
|
2953
CALL
ProPetro Holding
PUMP
$1.41B
| $2.15M | ﹤0.01% |
150,200
+118,400
| +372% | +$1.84M |
|
2954
PUT
Vital Farms
VITL
$426M
| $2.15M | ﹤0.01% |
185,100
+92,400
| +100% | +$1.03M |
|
2955
CALL
Glaukos
GKOS
$10.5B
| $2.15M | ﹤0.01% |
15,400
+9,400
| +157% | +$1.19M |
|
2956
PUT
Omega Healthcare
OHI
$14.1B
| $2.15M | ﹤0.01% |
45,100
+13,400
| +42% | +$621K |
|
2957
CALL
Travere Therapeutics
TVTX
$6.15B
| $2.15M | ﹤0.01% |
37,800
-10,600
| -22% | -$470K |
|
|
AVEX
2958
CALL
AEVEX Corp
AVEX
$930M
| $2.15M | ﹤0.01% |
+102,700
| New | +$2.67M |
|
2959
CALL
BrightSpring Health Services
BTSG
$12B
| $2.14M | ﹤0.01% |
30,700
+17,200
| +127% | +$955K |
|
2960
CALL
SiteOne Landscape Supply
SITE
$4.39B
| $2.14M | ﹤0.01% |
18,700
+11,300
| +153% | +$1.36M |
|
2961
CALL
Universal Display
OLED
$3.78B
| $2.14M | ﹤0.01% |
24,700
-1,900
| -7% | -$175K |
|
2962
PUT
Sun Communities
SUI
$14.5B
| $2.13M | ﹤0.01% |
+17,800
| New | +$2.23M |
|
2963
PUT
Teck Resources
TECK
$33.9B
| $2.12M | ﹤0.01% |
35,700
-93,500
| -72% | -$5.7M |
|
2964
Simon Property Group
SPG
$67.8B
| $2.12M | ﹤0.01% |
+9,477
| New | +$1.95M |
|
|
QUBX
2965
PUT
Tradr 2X Long QUBT Daily ETF
QUBX
$21.2M
| $2.12M | ﹤0.01% |
72,000
-1,300
| -2% | -$17.2K |
|
2966
PUT
CNX Resources
CNX
$5.55B
| $2.11M | ﹤0.01% |
62,300
+44,600
| +252% | +$1.61M |
|
|
HSAI
2967
PUT
Hesai Group
HSAI
$2.97B
| $2.11M | ﹤0.01% |
116,000
-26,300
| -18% | -$538K |
|
|
EXK
2968
Endeavour Silver
EXK
$3.29B
| $2.11M | ﹤0.01% |
254,895
-9,939
| -4% | -$92.5K |
|
2969
PUT
Ventas
VTR
$46.3B
| $2.1M | ﹤0.01% |
23,700
+14,800
| +166% | +$1.26M |
|
2970
CALL
KE Holdings
BEKE
$19.8B
| $2.1M | ﹤0.01% |
144,700
-51,200
| -26% | -$843K |
|
2971
PUT
Bank of Hawaii
BOH
$3.05B
| $2.1M | ﹤0.01% |
25,800
+17,800
| +223% | +$1.39M |
|
2972
CALL
ODDITY Tech
ODD
$634M
| $2.1M | ﹤0.01% |
138,900
-9,700
| -7% | -$130K |
|
2973
HP
HPQ
$29.4B
| $2.1M | ﹤0.01% |
95,727
-112,817
| -54% | -$2.5M |
|
2974
American Airlines Group
AAL
$8.69B
| $2.1M | ﹤0.01% |
116,187
-405,147
| -78% | -$5.42M |
|
2975
PUT
Lincoln Electric
LECO
$15.1B
| $2.1M | ﹤0.01% |
7,900
+4,200
| +114% | +$1.1M |
|
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.