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 | |
|---|---|---|---|---|---|---|
2576
Sociedad Química y Minera de Chile
SQM
$21.8B
| $3.21M | ﹤0.01% |
+43,382
| New | +$3.63M |
|
2577
CALL
GXO Logistics
GXO
$5.54B
| $3.2M | ﹤0.01% |
63,200
-89,700
| -59% | -$4.65M |
|
2578
PUT
Brookfield
BN
$90B
| $3.2M | ﹤0.01% |
75,200
+31,200
| +71% | +$1.4M |
|
2579
CALL
JPMorgan Inflation Managed Bond ETF
JCPI
$900M
| $3.2M | ﹤0.01% |
52,100
-16,800
| -24% | -$812K |
|
2580
T-Rex 2X Long NVIDIA Daily Target ETF
NVDX
$489M
| $3.2M | ﹤0.01% |
+188,346
| New | +$3.53M |
|
2581
AGCO
AGCO
$9.34B
| $3.19M | ﹤0.01% |
+26,688
| New | +$3.1M |
|
2582
PUT
Bank OZK
OZK
$5.5B
| $3.19M | ﹤0.01% |
61,300
-32,100
| -34% | -$1.56M |
|
2583
CALL
Carlisle Companies
CSL
$14B
| $3.19M | ﹤0.01% |
8,800
+2,100
| +31% | +$736K |
|
|
SII
2584
CALL
Sprott
SII
$3.33B
| $3.19M | ﹤0.01% |
28,400
-6,600
| -19% | -$864K |
|
2585
PUT
Franklin Templeton
BEN
$17.6B
| $3.18M | ﹤0.01% |
95,700
+26,800
| +39% | +$802K |
|
|
PSKY
2586
Paramount Skydance Corp
PSKY
$12.2B
| $3.18M | ﹤0.01% |
322,314
+246,917
| +327% | +$2.6M |
|
2587
CALL
Cedar Fair
FUN
$1.59B
| $3.18M | ﹤0.01% |
149,200
+4,800
| +3% | +$98K |
|
2588
PUT
Valley National Bancorp
VLY
$7.75B
| $3.18M | ﹤0.01% |
216,800
-41,700
| -16% | -$566K |
|
2589
CALL
Enlight Renewable Energy
ENLT
$11B
| $3.17M | ﹤0.01% |
35,600
+19,900
| +127% | +$1.75M |
|
2590
PUT
Xylem
XYL
$24.7B
| $3.17M | ﹤0.01% |
26,800
-8,000
| -23% | -$923K |
|
2591
PUT
VICI Properties
VICI
$28B
| $3.16M | ﹤0.01% |
119,100
+25,800
| +28% | +$723K |
|
2592
CALL
Waters Corp
WAT
$40.2B
| $3.15M | ﹤0.01% |
8,400
-6,300
| -43% | -$2.15M |
|
2593
PUT
Vishay Precision Group
VPG
$839M
| $3.15M | ﹤0.01% |
+21,000
| New | +$1.95M |
|
2594
Williams Companies
WMB
$90.7B
| $3.14M | ﹤0.01% |
42,181
+15,300
| +57% | +$1.13M |
|
2595
Shoals Technologies Group
SHLS
$1.2B
| $3.13M | ﹤0.01% |
316,550
+165,416
| +109% | +$1.5M |
|
2596
Mitek Systems
MITK
$838M
| $3.13M | ﹤0.01% |
+155,503
| New | +$2.41M |
|
2597
CALL
Hartford Financial Services
HIG
$37.5B
| $3.13M | ﹤0.01% |
23,600
+3,200
| +16% | +$428K |
|
2598
PUT
Murphy USA
MUSA
$9.4B
| $3.13M | ﹤0.01% |
5,800
+2,300
| +66% | +$1.25M |
|
2599
Invesco Solar ETF
TAN
$1.15B
| $3.12M | ﹤0.01% |
+52,726
| New | +$3.2M |
|
2600
PUT
Cencora
COR
$63.2B
| $3.11M | ﹤0.01% |
11,000
-7,200
| -40% | -$2.08M |
|
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.