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 | |
|---|---|---|---|---|---|---|
976
Robinhood
HOOD
$112B
| $23.1M | 0.01% |
230,743
-15,739
| -6% | -$1.32M |
|
977
CALL
British American Tobacco
BTI
$121B
| $23.1M | 0.01% |
373,400
-22,000
| -6% | -$1.33M |
|
978
CALL
GitLab
GTLB
$8.22B
| $23.1M | 0.01% |
755,300
+71,000
| +10% | +$1.8M |
|
979
PUT
Pan American Silver
PAAS
$21.8B
| $23.1M | 0.01% |
514,800
-125,300
| -20% | -$6.71M |
|
980
Morgan Stanley
MS
$341B
| $23M | 0.01% |
109,930
+11,301
| +11% | +$2.24M |
|
981
AeroVironment
AVAV
$7.48B
| $22.9M | 0.01% |
138,755
+126,620
| +1,043% | +$22.7M |
|
982
CALL
MetLife
MET
$63.1B
| $22.8M | 0.01% |
270,000
+38,200
| +16% | +$3.08M |
|
983
PUT
Ouster
OUST
$2.58B
| $22.8M | 0.01% |
365,200
+216,200
| +145% | +$7.27M |
|
984
Applied Materials
AMAT
$346B
| $22.8M | 0.01% |
+31,530
| New | +$14.5M |
|
985
CALL
Toronto Dominion Bank
TD
$202B
| $22.8M | 0.01% |
187,600
+57,200
| +44% | +$6.26M |
|
986
CALL
GE HealthCare
GEHC
$31.5B
| $22.8M | 0.01% |
355,700
+124,300
| +54% | +$8.17M |
|
987
CALL
Golar LNG
GLNG
$5.31B
| $22.6M | 0.01% |
454,200
-162,200
| -26% | -$8.58M |
|
988
PUT
Realty Income
O
$58.4B
| $22.6M | 0.01% |
364,800
+77,000
| +27% | +$4.8M |
|
989
PUT
Etsy
ETSY
$7.53B
| $22.6M | 0.01% |
300,000
-215,700
| -42% | -$13.9M |
|
990
CALL
Intuitive Machines
LUNR
$2.36B
| $22.6M | 0.01% |
1,054,800
+124,500
| +13% | +$3.5M |
|
991
CALL
Lennar Class A
LEN
$20.3B
| $22.6M | 0.01% |
249,200
+20,600
| +9% | +$1.84M |
|
992
PUT
Texas Pacific Land
TPL
$25.3B
| $22.5M | 0.01% |
51,500
-5,000
| -9% | -$2.03M |
|
993
PUT
Prudential Financial
PRU
$42.5B
| $22.5M | 0.01% |
208,100
-2,300
| -1% | -$234K |
|
994
McDonald's
MCD
$184B
| $22.4M | 0.01% |
83,031
+68,221
| +461% | +$19.6M |
|
995
Occidental Petroleum
OXY
$60.6B
| $22.4M | 0.01% |
+460,480
| New | +$26.1M |
|
|
EA
996
CALL
DELISTED
Electronic Arts
EA
| $22.3M | 0.01% |
108,800
+37,100
| +52% | +$7.51M |
|
997
Fortinet
FTNT
$115B
| $22.3M | 0.01% |
144,905
+90,807
| +168% | +$10.5M |
|
998
CALL
CRH
CRH
$61.2B
| $22.3M | 0.01% |
208,000
+69,000
| +50% | +$7.59M |
|
999
CALL
Toll Brothers
TOL
$13.1B
| $22.2M | 0.01% |
134,900
-6,900
| -5% | -$981K |
|
1000
CALL
United Therapeutics
UTHR
$21B
| $22.1M | 0.01% |
40,800
-82,300
| -67% | -$46.4M |
|
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.