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 |
Invesco QQQ Trust
QQQ
|
+$203M |
| 2 |
JD.com
JD
|
+$105M |
| 3 |
Boeing
BA
|
+$105M |
| 4 |
Applovin
APP
|
+$93.6M |
| 5 |
Netflix
NFLX
|
+$81.3M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Apple
AAPL
|
+$167M |
| 2 |
State Street Financial Select Sector SPDR ETF
XLF
|
+$146M |
| 3 |
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$135M |
| 4 |
Pinduoduo
PDD
|
+$128M |
| 5 |
Palantir
PLTR
|
+$108M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Miscellaneous | 98.46% |
| 2 | Consumer Discretionary | 0.39% |
| 3 | Technology | 0.33% |
| 4 | Communication Services | 0.22% |
| 5 | Industrials | 0.16% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | Held Since | |
|---|---|---|---|---|---|---|---|
351
Oracle
ORCL
$389B
| $76.3M | 0.03% |
271,451
+92,040
| +51% | +$23.4M |
2024 Q4
3 quarters
|
|
352
PUT
Delta Air Lines
DAL
$49.6B
| $75.6M | 0.03% |
1,332,100
-29,700
| -2% | -$1.69M |
2018 Q4
27 quarters
|
|
353
PUT
Cigna
CI
$79.9B
| $75.3M | 0.03% |
261,100
+88,000
| +51% | +$26M |
2022 Q1
14 quarters
|
|
354
PUT
Antero Resources
AR
$11.9B
| $74.8M | 0.03% |
2,230,300
+1,581,900
| +244% | +$52.7M |
2022 Q4
11 quarters
|
|
355
CALL
Merck
MRK
$360B
| $74.6M | 0.03% |
889,300
+11,200
| +1% | +$922K |
2022 Q1
14 quarters
|
|
356
PUT
Elevance Health
ELV
$92.9B
| $74.4M | 0.03% |
230,400
+128,500
| +126% | +$40M |
2022 Q4
11 quarters
|
|
357
PUT
Carnival Corporation Ltd
CCL
$34.8B
| $74.4M | 0.03% |
2,574,500
-144,900
| -5% | -$4.38M |
2018 Q4
27 quarters
|
|
358
PUT
CVS Health
CVS
$118B
| $74.3M | 0.03% |
985,300
+116,000
| +13% | +$7.95M |
2018 Q4
27 quarters
|
|
359
CALL
ConocoPhillips
COP
$176B
| $72.9M | 0.03% |
770,400
+14,300
| +2% | +$1.35M |
2018 Q4
27 quarters
|
|
360
PUT
Wayfair
W
$14.7B
| $72.6M | 0.03% |
813,200
+135,000
| +20% | +$9.89M |
2020 Q1
22 quarters
|
|
361
CALL
Blackstone
BX
$85.1B
| $72.4M | 0.03% |
424,000
+85,600
| +25% | +$14.7M |
2021 Q3
16 quarters
|
|
362
CALL
McKesson
MCK
$117B
| $72.4M | 0.03% |
93,700
+14,400
| +18% | +$10.1M |
2022 Q4
11 quarters
|
|
363
CALL
Fair Isaac
FICO
$16.7B
| $72M | 0.03% |
48,100
+15,900
| +49% | +$23.9M |
2023 Q4
7 quarters
|
|
364
CALL
T-Mobile US
TMUS
$171B
| $71.7M | 0.03% |
299,700
-45,300
| -13% | -$11M |
2022 Q4
11 quarters
|
|
365
CALL
Valero Energy
VLO
$128B
| $71.7M | 0.03% |
421,000
+82,400
| +24% | +$12.3M |
2018 Q4
27 quarters
|
|
|
366
CALL
Elevance Health
ELV
$92.9B
| $70.9M | 0.03% |
219,400
+98,400
| +81% | +$30.6M |
2022 Q4
11 quarters
|
|
367
CALL
Coca-Cola
KO
$404B
| $70.6M | 0.03% |
1,064,100
+64,300
| +6% | +$4.43M |
2018 Q4
27 quarters
|
|
368
CALL
Interactive Brokers
IBKR
$37.5B
| $70.4M | 0.03% |
1,022,900
+89,800
| +10% | +$5.65M |
2023 Q3
8 quarters
|
|
369
lululemon athletica
LULU
$11.2B
| $69.9M | 0.03% |
392,958
+347,643
| +767% | +$69.7M |
2025 Q1
2 quarters
|
|
370
CALL
State Street Health Care Select Sector SPDR ETF
XLV
$45.8B
| $69.3M | 0.03% |
497,600
-193,700
| -28% | -$26.2M |
2018 Q4
27 quarters
|
|
371
CALL
Charter Communications
CHTR
$12.6B
| $68.8M | 0.03% |
250,200
+111,700
| +81% | +$33.8M |
2022 Q3
12 quarters
|
|
372
CALL
Thermo Fisher Scientific
TMO
$255B
| $67.6M | 0.02% |
139,300
+29,200
| +27% | +$13.6M |
2020 Q4
19 quarters
|
|
373
CALL
Agnico Eagle Mines
AEM
$96B
| $67.5M | 0.02% |
400,700
+122,300
| +44% | +$16.8M |
2018 Q4
27 quarters
|
|
374
PUT
Regeneron Pharmaceuticals
REGN
$81.4B
| $67.5M | 0.02% |
120,000
+8,300
| +7% | +$4.69M |
2022 Q3
12 quarters
|
|
375
CALL
Okta
OKTA
$32.7B
| $67.3M | 0.02% |
733,900
+102,000
| +16% | +$9.52M |
2019 Q2
25 quarters
|
|
Similar funds
IMC Chicago's Q3 2025 Portfolio in Review
As of Q3 2025, IMC Chicago held 4,045 positions worth $275B, up 22% from $225B the previous quarter. Its ten largest holdings account for 38% of the portfolio.
IMC Chicago's Q3 2025 filing shows 783 new, 1,843 increased, 923 reduced and 492 closed positions. Its largest new stake was Netflix: 666,120 shares worth $79.9M. The largest sale was Apple, an estimated $167M.
By sector, the portfolio is most concentrated in Miscellaneous at 98% of assets, down from 99% a quarter earlier, followed by Consumer Discretionary and Technology.
- IMC Chicago's largest Q3 2025 buy was Netflix: 666,120 shares worth $79.9M.
- IMC Chicago added most to Invesco QQQ Trust in Q3 2025, an estimated $203M increase.
- IMC Chicago's biggest Q3 2025 reduction was State Street SPDR Dow Jones Industrial Average ETF Trust, cutting an estimated $135M.
- IMC Chicago fully exited Apple in Q3 2025, selling an estimated $167M.
- IMC Chicago's ten largest holdings make up 38% of its $275B portfolio in Q3 2025.
- IMC Chicago opened 783 new positions and closed 492 in Q3 2025.
- IMC Chicago's portfolio value rose 22% quarter-over-quarter to $275B.
Based on IMC Chicago's 13F filing for Q3 2025, filed 4 Nov 2025.