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 | |
|---|---|---|---|---|---|---|---|
401
PUT
Dollar Tree
DLTR
$22.1B
| $46.6M | 0.02% |
470,900
-13,700
| -3% | -$1.18M |
2021 Q3
15 quarters
|
|
402
PUT
Lennar Class A
LEN
$17.8B
| $46.6M | 0.02% |
421,400
+111,200
| +36% | +$12M |
2023 Q3
7 quarters
|
|
403
PUT
Quanta Services
PWR
$104B
| $46.6M | 0.02% |
123,200
+36,000
| +41% | +$11.6M |
2023 Q4
6 quarters
|
|
404
CALL
Delta Air Lines
DAL
$52.7B
| $46.6M | 0.02% |
946,600
-216,600
| -19% | -$9.95M |
2018 Q4
26 quarters
|
|
405
CALL
Microchip Technology
MCHP
$40.1B
| $46.5M | 0.02% |
661,000
+139,800
| +27% | +$7.68M |
2022 Q3
11 quarters
|
|
406
Adobe
ADBE
$92.7B
| $46.3M | 0.02% |
+119,766
| New | +$46.1M |
2025 Q2
0 quarters
|
|
407
PUT
Albemarle
ALB
$11.6B
| $46.3M | 0.02% |
739,000
+263,000
| +55% | +$15.6M |
2023 Q2
8 quarters
|
|
408
CALL
Enphase Energy
ENPH
$4.16B
| $46.3M | 0.02% |
1,166,800
+607,000
| +108% | +$28M |
2020 Q3
19 quarters
|
|
409
PUT
ConocoPhillips
COP
$165B
| $46.2M | 0.02% |
515,200
+149,500
| +41% | +$13.5M |
2018 Q4
26 quarters
|
|
410
CALL
W.W. Grainger
GWW
$61.5B
| $46M | 0.02% |
44,200
-7,400
| -14% | -$7.69M |
2023 Q4
6 quarters
|
|
411
Cigna
CI
$74.9B
| $46M | 0.02% |
139,022
-23,454
| -14% | -$7.56M |
2024 Q4
2 quarters
|
|
412
CALL
e.l.f. Beauty
ELF
$6.49B
| $45.9M | 0.02% |
369,200
-17,400
| -5% | -$1.48M |
2024 Q1
5 quarters
|
|
|
413
iShares Russell 2000 ETF
IWM
$78.3B
| $45.9M | 0.02% |
212,634
-631,779
| -75% | -$127M |
2024 Q3
3 quarters
|
|
414
PUT
Moderna
MRNA
$85.3B
| $45.7M | 0.02% |
1,656,800
-391,300
| -19% | -$10.3M |
2020 Q1
21 quarters
|
|
415
CALL
Valero Energy
VLO
$126B
| $45.5M | 0.02% |
338,600
+83,800
| +33% | +$10.4M |
2018 Q4
26 quarters
|
|
416
CALL
Core Scientific
CORZ
$4.83B
| $45.3M | 0.02% |
2,656,700
+582,800
| +28% | +$5.83M |
2024 Q2
4 quarters
|
|
417
CALL
Estee Lauder
EL
$36.2B
| $45.3M | 0.02% |
560,700
+72,900
| +15% | +$4.69M |
2023 Q2
8 quarters
|
|
418
PUT
ProShares Ultra Bloomberg Natural Gas
BOIL
$328M
| $45.2M | 0.02% |
920,150
+24,450
| +3% | +$2.83M |
2022 Q2
12 quarters
|
|
419
PUT
AeroVironment
AVAV
$6.68B
| $45.1M | 0.02% |
158,200
+125,900
| +390% | +$21.3M |
2023 Q4
6 quarters
|
|
420
PUT
Atlassian
TEAM
$52.6B
| $45M | 0.02% |
221,600
+26,600
| +14% | +$5.54M |
2020 Q3
19 quarters
|
|
421
CALL
Thermo Fisher Scientific
TMO
$245B
| $44.6M | 0.02% |
110,100
+15,500
| +16% | +$6.48M |
2020 Q4
18 quarters
|
|
422
PUT
Union Pacific
UNP
$167B
| $44.5M | 0.02% |
193,300
+42,300
| +28% | +$9.39M |
2020 Q3
19 quarters
|
|
423
CALL
Kroger
KR
$36.9B
| $44.3M | 0.02% |
618,100
+146,300
| +31% | +$10.1M |
2018 Q4
26 quarters
|
|
424
CALL
CAVA Group
CAVA
$6.14B
| $44.2M | 0.02% |
524,500
+164,000
| +45% | +$14M |
2023 Q4
6 quarters
|
|
|
425
CALL
Cigna
CI
$74.9B
| $44M | 0.02% |
133,200
+9,900
| +8% | +$3.19M |
2022 Q1
13 quarters
|
|
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.