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 | |
|---|---|---|---|---|---|---|---|
226
PUT
KLA
KLAC
$222B
| $127M | 0.05% |
1,175,000
+347,000
| +42% | +$32.4M |
2022 Q3
12 quarters
|
|
|
227
PUT
JD.com
JD
$36.4B
| $126M | 0.05% |
3,614,800
+2,093,600
| +138% | +$68.2M |
2018 Q4
27 quarters
|
|
|
228
Boeing
BA
$149B
| $126M | 0.05% |
584,335
+464,893
| +389% | +$105M |
2025 Q1
2 quarters
|
|
229
CALL
Accenture
ACN
$138B
| $126M | 0.05% |
510,800
+222,500
| +77% | +$58M |
2018 Q4
27 quarters
|
|
230
CALL
AbbVie
ABBV
$504B
| $125M | 0.05% |
540,100
+157,200
| +41% | +$32M |
2018 Q4
27 quarters
|
|
231
CALL
Vistra
VST
$51.6B
| $125M | 0.05% |
638,000
+94,700
| +17% | +$18.8M |
2024 Q1
6 quarters
|
|
232
PUT
Roku
ROKU
$23B
| $125M | 0.05% |
1,246,300
+19,000
| +2% | +$1.75M |
2019 Q1
26 quarters
|
|
233
PUT
Domino's
DPZ
$10B
| $124M | 0.05% |
287,300
+201,600
| +235% | +$91.5M |
2018 Q4
27 quarters
|
|
234
PUT
Zscaler
ZS
$33.5B
| $124M | 0.05% |
413,800
-54,500
| -12% | -$15.5M |
2020 Q1
22 quarters
|
|
235
PUT
Royal Caribbean
RCL
$75.1B
| $123M | 0.04% |
381,100
+18,900
| +5% | +$6.31M |
2019 Q4
23 quarters
|
|
|
236
JD.com
JD
$36.4B
| $123M | 0.04% |
3,514,033
+3,227,057
| +1,125% | +$105M |
2025 Q2
1 quarter
|
|
237
CALL
GraniteShares Bloomberg Commodity Broad Strategy No K-1 ETF
COMB
$162M
| $123M | 0.04% |
1,662,500
-70,800
| -4% | -$1.5M |
2024 Q1
6 quarters
|
|
238
CALL
Avis
CAR
$3.82B
| $122M | 0.04% |
762,700
+326,000
| +75% | +$54.9M |
2019 Q2
25 quarters
|
|
239
PUT
FedEx
FDX
$69.3B
| $122M | 0.04% |
519,200
+1,300
| +0.3% | +$300K |
2018 Q4
27 quarters
|
|
240
CALL
Wynn Resorts
WYNN
$7.83B
| $121M | 0.04% |
940,200
+43,500
| +5% | +$5.02M |
2018 Q4
27 quarters
|
|
241
CALL
Duolingo
DUOL
$6.72B
| $121M | 0.04% |
374,600
+297,400
| +385% | +$99.5M |
2024 Q1
6 quarters
|
|
|
KFYP
242
CALL
DELISTED
KraneShares CICC China Leaders 100 Index ETF
KFYP
| $118M | 0.04% |
2,813,600
+438,600
| +18% | +$18.4M |
2021 Q4
15 quarters
|
|
243
CALL
Axon Enterprise
AXON
$32.4B
| $118M | 0.04% |
163,900
+50,900
| +45% | +$38.6M |
2022 Q3
12 quarters
|
|
|
244
PUT
Wynn Resorts
WYNN
$7.83B
| $117M | 0.04% |
915,600
+297,700
| +48% | +$34.4M |
2018 Q4
27 quarters
|
|
245
PUT
Albemarle
ALB
$11.4B
| $117M | 0.04% |
1,447,000
+708,000
| +96% | +$54.6M |
2023 Q2
9 quarters
|
|
246
PUT
Chevron
CVX
$438B
| $117M | 0.04% |
751,500
-313,500
| -29% | -$48.6M |
2018 Q4
27 quarters
|
|
247
PUT
Thermo Fisher Scientific
TMO
$255B
| $117M | 0.04% |
240,600
+54,100
| +29% | +$25.2M |
2020 Q4
19 quarters
|
|
|
248
PUT
AbbVie
ABBV
$504B
| $115M | 0.04% |
496,100
+223,000
| +82% | +$45.4M |
2018 Q4
27 quarters
|
|
249
CALL
Regeneron Pharmaceuticals
REGN
$81.8B
| $115M | 0.04% |
204,100
+75,800
| +59% | +$42.9M |
2024 Q4
3 quarters
|
|
250
CALL
Humana
HUM
$50.1B
| $115M | 0.04% |
440,800
+134,000
| +44% | +$35.2M |
2022 Q3
12 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.