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 | |
|---|---|---|---|---|---|---|
2651
Prologis
PLD
$131B
| $2.94M | ﹤0.01% |
21,712
+17,872
| +465% | +$2.53M |
|
2652
PUT
Ashland
ASH
$3.34B
| $2.94M | ﹤0.01% |
44,600
+31,500
| +240% | +$1.83M |
|
2653
PUT
Vanguard Morningstar Mega Cap Growth ETF
MGK
$33.7B
| $2.94M | ﹤0.01% |
33,400
+9,400
| +39% | +$802K |
|
2654
PUT
Zimmer Biomet
ZBH
$18.7B
| $2.94M | ﹤0.01% |
34,100
+10,000
| +41% | +$877K |
|
2655
Gilead Sciences
GILD
$187B
| $2.93M | ﹤0.01% |
+23,216
| New | +$3.06M |
|
2656
PUT
Exelon
EXC
$45B
| $2.93M | ﹤0.01% |
62,900
+7,800
| +14% | +$361K |
|
2657
CALL
Academy Sports + Outdoors
ASO
$2.79B
| $2.93M | ﹤0.01% |
62,100
-14,800
| -19% | -$787K |
|
2658
Keysight
KEYS
$55.7B
| $2.93M | ﹤0.01% |
+8,358
| New | +$2.85M |
|
2659
CALL
Green Plains
GPRE
$1.08B
| $2.92M | ﹤0.01% |
190,000
+18,200
| +11% | +$289K |
|
2660
Amdocs
DOX
$6.5B
| $2.91M | ﹤0.01% |
+57,584
| New | +$3.53M |
|
2661
CALL
Terex
TEX
$7.23B
| $2.9M | ﹤0.01% |
40,100
+23,400
| +140% | +$1.46M |
|
2662
PUT
Incyte
INCY
$25.7B
| $2.9M | ﹤0.01% |
25,600
-3,800
| -13% | -$377K |
|
|
VG
2663
Venture Global Inc
VG
$36.1B
| $2.9M | ﹤0.01% |
260,532
-102,032
| -28% | -$1.29M |
|
2664
CALL
NNN REIT
NNN
$8.57B
| $2.9M | ﹤0.01% |
62,300
+21,900
| +54% | +$978K |
|
2665
TechnipFMC
FTI
$31.3B
| $2.89M | ﹤0.01% |
43,638
+13,253
| +44% | +$938K |
|
2666
CALL
Credicorp
BAP
$30.4B
| $2.88M | ﹤0.01% |
7,400
+4,700
| +174% | +$1.61M |
|
|
BRUN
2667
CALL
Boost Run Inc
BRUN
$1.4B
| $2.88M | ﹤0.01% |
+74,200
| New | +$2.3M |
|
|
2668
PUT
Academy Sports + Outdoors
ASO
$2.79B
| $2.87M | ﹤0.01% |
60,900
+21,400
| +54% | +$1.14M |
|
2669
PUT
Neurocrine Biosciences
NBIX
$15.8B
| $2.87M | ﹤0.01% |
17,000
+2,000
| +13% | +$297K |
|
2670
CALL
V2X
VVX
$2.33B
| $2.86M | ﹤0.01% |
38,400
+25,900
| +207% | +$1.93M |
|
2671
Capital One
COF
$135B
| $2.86M | ﹤0.01% |
14,254
-4,686
| -25% | -$896K |
|
2672
CALL
Braze
BRZE
$3.6B
| $2.86M | ﹤0.01% |
131,800
-188,000
| -59% | -$4.19M |
|
2673
CALL
ImmunityBio
IBRX
$8.56B
| $2.85M | ﹤0.01% |
326,000
+68,700
| +27% | +$520K |
|
2674
CALL
Liberty Energy
LBRT
$3.36B
| $2.85M | ﹤0.01% |
108,800
-21,700
| -17% | -$649K |
|
2675
CALL
OneMain Financial
OMF
$7.44B
| $2.85M | ﹤0.01% |
46,700
-31,000
| -40% | -$1.75M |
|
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.