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 | |
|---|---|---|---|---|---|---|---|
426
CALL
BP
BP
$120B
| $43.9M | 0.02% |
1,468,300
+189,400
| +15% | +$5.56M |
2018 Q4
26 quarters
|
|
427
CALL
Analog Devices
ADI
$197B
| $43.9M | 0.02% |
184,300
+34,900
| +23% | +$7.27M |
2022 Q4
10 quarters
|
|
428
PUT
ON Semiconductor
ON
$29.6B
| $43.8M | 0.02% |
835,100
+198,900
| +31% | +$8.65M |
2022 Q1
13 quarters
|
|
429
CALL
IonQ
IONQ
$14.7B
| $43.7M | 0.02% |
1,017,200
+173,600
| +21% | +$5.82M |
2024 Q1
5 quarters
|
|
430
CALL
Lennar Class A
LEN
$17.8B
| $43.6M | 0.02% |
394,000
+46,100
| +13% | +$4.99M |
2023 Q3
7 quarters
|
|
431
PUT
Twilio
TWLO
$43.4B
| $43.3M | 0.02% |
347,900
-75,100
| -18% | -$7.99M |
2018 Q4
26 quarters
|
|
432
CALL
3M
MMM
$83B
| $43.2M | 0.02% |
283,500
-45,000
| -14% | -$6.43M |
2018 Q4
26 quarters
|
|
433
CALL
Dollar Tree
DLTR
$22.1B
| $43M | 0.02% |
434,600
-136,500
| -24% | -$11.8M |
2021 Q3
15 quarters
|
|
434
CALL
Lowe's Companies
LOW
$104B
| $43M | 0.02% |
193,600
-50,900
| -21% | -$11.4M |
2018 Q4
26 quarters
|
|
435
CALL
Verizon
VZ
$178B
| $42.9M | 0.02% |
992,000
+98,300
| +11% | +$4.26M |
2018 Q4
26 quarters
|
|
436
PUT
Pfizer
PFE
$162B
| $42.7M | 0.02% |
1,761,800
-54,000
| -3% | -$1.26M |
2021 Q1
17 quarters
|
|
437
PUT
Take-Two Interactive
TTWO
$39B
| $42.6M | 0.02% |
175,600
-10,300
| -6% | -$2.32M |
2020 Q2
20 quarters
|
|
438
CALL
Astera Labs
ALAB
$56.2B
| $42.6M | 0.02% |
471,300
+141,600
| +43% | +$11.2M |
2024 Q1
5 quarters
|
|
439
PUT
Synopsys
SNPS
$96.3B
| $42.6M | 0.02% |
83,100
+31,700
| +62% | +$14.8M |
2023 Q3
7 quarters
|
|
440
CALL
MP Materials
MP
$7.72B
| $42.6M | 0.02% |
1,279,200
+930,300
| +267% | +$23.7M |
2023 Q3
7 quarters
|
|
441
CALL
Albemarle
ALB
$11.6B
| $42.3M | 0.02% |
674,600
+191,700
| +40% | +$11.3M |
2023 Q2
8 quarters
|
|
442
PUT
Rivian
RIVN
$19.6B
| $41.9M | 0.02% |
3,050,400
+409,300
| +15% | +$5.55M |
2022 Q2
12 quarters
|
|
443
PUT
Boston Scientific
BSX
$63.5B
| $41.7M | 0.02% |
388,500
+108,200
| +39% | +$10.9M |
2022 Q4
10 quarters
|
|
444
PUT
Coca-Cola
KO
$386B
| $41.7M | 0.02% |
589,700
+85,800
| +17% | +$6.11M |
2018 Q4
26 quarters
|
|
445
PUT
Seagate
STX
$171B
| $41.7M | 0.02% |
289,000
+128,300
| +80% | +$13.3M |
2022 Q3
11 quarters
|
|
446
CALL
NextEra Energy
NEE
$164B
| $41.5M | 0.02% |
597,100
+164,400
| +38% | +$11.4M |
2019 Q4
22 quarters
|
|
447
PUT
Procter & Gamble
PG
$356B
| $41.4M | 0.02% |
259,900
-61,100
| -19% | -$9.97M |
2018 Q4
26 quarters
|
|
448
PUT
McKesson
MCK
$111B
| $41.4M | 0.02% |
56,500
-24,200
| -30% | -$17.1M |
2023 Q2
8 quarters
|
|
449
CALL
Zoom
ZM
$28.6B
| $41.3M | 0.02% |
529,700
-34,800
| -6% | -$2.69M |
2019 Q2
24 quarters
|
|
450
CALL
TJX Companies
TJX
$156B
| $40.8M | 0.02% |
330,200
-24,100
| -7% | -$3.06M |
2023 Q3
7 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.