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 |
iShares Bitcoin Trust
IBIT
|
+$232M |
| 2 |
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$168M |
| 3 |
Apple
AAPL
|
+$149M |
| 4 |
State Street Financial Select Sector SPDR ETF
XLF
|
+$136M |
| 5 |
UnitedHealth
UNH
|
+$110M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Invesco QQQ Trust
QQQ
|
+$153M |
| 2 |
iShares Russell 2000 ETF
IWM
|
+$127M |
| 3 |
Advanced Micro Devices
AMD
|
+$97.1M |
| 4 |
TSMC
TSM
|
+$65.3M |
| 5 |
State Street SPDR Portfolio S&P 500 ETF
SPYM
|
+$57.6M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Miscellaneous | 98.86% |
| 2 | Technology | 0.32% |
| 3 | Consumer Discretionary | 0.25% |
| 4 | Healthcare | 0.13% |
| 5 | Communication Services | 0.1% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | Held Since | |
|---|---|---|---|---|---|---|---|
976
PUT
Centene
CNC
$34.2B
| $11.1M | ﹤0.01% |
205,000
+93,700
| +84% | +$5.5M |
2022 Q1
13 quarters
|
|
977
PUT
Energy Transfer Partners
ET
$69.8B
| $11.1M | ﹤0.01% |
613,300
-104,400
| -15% | -$1.82M |
2021 Q2
16 quarters
|
|
978
PUT
SL Green Realty
SLG
$3.33B
| $11.1M | ﹤0.01% |
179,100
+40,900
| +30% | +$2.34M |
2024 Q1
5 quarters
|
|
979
PUT
Prologis
PLD
$120B
| $11.1M | ﹤0.01% |
105,400
+16,800
| +19% | +$1.76M |
2022 Q4
10 quarters
|
|
980
PUT
Alcoa
AA
$10.9B
| $11M | ﹤0.01% |
372,500
+98,700
| +36% | +$2.67M |
2018 Q4
26 quarters
|
|
981
Rocket Lab Corp
RKLB
$32.5B
| $11M | ﹤0.01% |
306,182
+89,282
| +41% | +$2.19M |
2025 Q1
1 quarter
|
|
982
PUT
The Gap Inc
GAP
$8.12B
| $10.9M | ﹤0.01% |
501,300
+244,000
| +95% | +$5.45M |
2020 Q2
20 quarters
|
|
983
CALL
Symbotic
SYM
$5.04B
| $10.9M | ﹤0.01% |
280,300
-43,200
| -13% | -$1.13M |
2023 Q4
6 quarters
|
|
984
CALL
Global Payments
GPN
$22.1B
| $10.9M | ﹤0.01% |
135,900
+38,700
| +40% | +$3.06M |
2024 Q1
5 quarters
|
|
985
PUT
Coupang
CPNG
$25.7B
| $10.8M | ﹤0.01% |
361,200
+135,200
| +60% | +$3.46M |
2021 Q2
16 quarters
|
|
986
lululemon athletica
LULU
$11.2B
| $10.8M | ﹤0.01% |
45,315
+19,851
| +78% | +$5.47M |
2025 Q1
1 quarter
|
|
987
SoFi Technologies
SOFI
$18.8B
| $10.7M | ﹤0.01% |
587,376
+117,128
| +25% | +$1.54M |
2024 Q1
5 quarters
|
|
988
PUT
Transmedics
TMDX
$2.45B
| $10.7M | ﹤0.01% |
79,700
+19,100
| +32% | +$2.1M |
2024 Q3
3 quarters
|
|
989
CALL
Hasbro
HAS
$13.9B
| $10.6M | ﹤0.01% |
143,700
+44,300
| +45% | +$2.79M |
2023 Q3
7 quarters
|
|
990
PUT
Bloom Energy
BE
$65.2B
| $10.6M | ﹤0.01% |
442,400
+2,800
| +0.6% | +$54.2K |
2022 Q3
11 quarters
|
|
991
PUT
Hewlett Packard
HPE
$73.2B
| $10.6M | ﹤0.01% |
516,600
+153,800
| +42% | +$2.58M |
2023 Q3
7 quarters
|
|
992
CALL
Commault Systems
CVLT
$6.18B
| $10.5M | ﹤0.01% |
60,500
+49,900
| +471% | +$8.52M |
2024 Q4
2 quarters
|
|
993
PUT
GeneDx Holdings
WGS
$1.9B
| $10.5M | ﹤0.01% |
114,200
+89,300
| +359% | +$7.01M |
2025 Q1
1 quarter
|
|
994
CALL
Burlington
BURL
$16.5B
| $10.5M | ﹤0.01% |
45,000
-21,300
| -32% | -$5.06M |
2022 Q4
10 quarters
|
|
995
CALL
Tenet Healthcare
THC
$21.5B
| $10.5M | ﹤0.01% |
59,400
-21,900
| -27% | -$3.3M |
2023 Q4
6 quarters
|
|
996
PUT
BJs Wholesale Club
BJ
$13B
| $10.4M | ﹤0.01% |
96,800
+52,700
| +120% | +$6M |
2024 Q1
5 quarters
|
|
997
CALL
Edison International
EIX
$21.5B
| $10.4M | ﹤0.01% |
201,700
-66,800
| -25% | -$3.66M |
2023 Q2
8 quarters
|
|
998
CALL
JB Hunt Transport Services
JBHT
$21.5B
| $10.4M | ﹤0.01% |
72,200
+53,100
| +278% | +$7.34M |
2024 Q1
5 quarters
|
|
999
PUT
Quantum Computing Inc
QUBT
$1.44B
| $10.3M | ﹤0.01% |
539,700
-175,000
| -24% | -$1.93M |
2024 Q4
2 quarters
|
|
1000
Delta Air Lines
DAL
$49.6B
| $10.3M | ﹤0.01% |
210,291
+192,906
| +1,110% | +$8.86M |
2025 Q1
1 quarter
|
|
Similar funds
IMC Chicago's Q2 2025 Portfolio in Review
As of Q2 2025, IMC Chicago held 3,685 positions worth $225B, up 27% from $177B the previous quarter. Its ten largest holdings account for 42% of the portfolio.
IMC Chicago's Q2 2025 filing shows 615 new, 1,602 increased, 1,040 reduced and 423 closed positions. Its largest new stake was iShares Bitcoin Trust: 4,132,010 shares worth $253M. The largest sale was Invesco QQQ Trust, an estimated $153M.
By sector, the portfolio is most concentrated in Miscellaneous at 99% of assets, down from 99% a quarter earlier, followed by Technology and Consumer Discretionary.
- IMC Chicago's largest Q2 2025 buy was iShares Bitcoin Trust: 4,132,010 shares worth $253M.
- IMC Chicago added most to Sprott Physical Gold in Q2 2025, an estimated $77.8M increase.
- IMC Chicago's biggest Q2 2025 reduction was Invesco QQQ Trust, cutting an estimated $153M.
- IMC Chicago fully exited Advanced Micro Devices in Q2 2025, selling an estimated $97.1M.
- IMC Chicago's ten largest holdings make up 42% of its $225B portfolio in Q2 2025.
- IMC Chicago opened 615 new positions and closed 423 in Q2 2025.
- IMC Chicago's portfolio value rose 27% quarter-over-quarter to $225B.
Based on IMC Chicago's 13F filing for Q2 2025, filed 22 Jul 2025.