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 | |
|---|---|---|---|---|---|---|---|
326
CALL
RH
RH
$2.14B
| $82.4M | 0.03% |
405,800
-37,800
| -9% | -$8.21M |
2019 Q3
24 quarters
|
|
327
CALL
Albemarle
ALB
$11.3B
| $82.4M | 0.03% |
1,015,900
+341,300
| +51% | +$26.3M |
2023 Q2
9 quarters
|
|
328
CALL
Airbnb
ABNB
$102B
| $82.4M | 0.03% |
678,300
+21,300
| +3% | +$2.76M |
2020 Q4
19 quarters
|
|
329
PUT
GraniteShares Bloomberg Commodity Broad Strategy No K-1 ETF
COMB
$162M
| $81.5M | 0.03% |
1,375,800
+334,000
| +32% | +$7.09M |
2024 Q1
6 quarters
|
|
330
PUT
Comcast
CMCSA
$77.9B
| $81.4M | 0.03% |
2,591,000
+2,086,900
| +414% | +$69.9M |
2018 Q4
27 quarters
|
|
331
CALL
Etsy
ETSY
$7.81B
| $81.3M | 0.03% |
1,224,900
+267,400
| +28% | +$16M |
2020 Q2
21 quarters
|
|
332
CALL
Union Pacific
UNP
$171B
| $81.2M | 0.03% |
343,600
+30,000
| +10% | +$6.76M |
2020 Q3
20 quarters
|
|
333
PUT
United Rentals
URI
$64.5B
| $80.5M | 0.03% |
84,300
+600
| +0.7% | +$535K |
2022 Q4
11 quarters
|
|
334
PUT
Capital One
COF
$123B
| $80.2M | 0.03% |
377,400
+14,800
| +4% | +$3.24M |
2018 Q4
27 quarters
|
|
|
335
Netflix
NFLX
$293B
| $79.9M | 0.03% |
+666,120
| New | +$81.3M |
2025 Q3
0 quarters
|
|
|
336
PUT
RH
RH
$2.14B
| $79.8M | 0.03% |
392,700
-12,900
| -3% | -$2.8M |
2019 Q3
24 quarters
|
|
337
CALL
Affirm
AFRM
$24.7B
| $79.8M | 0.03% |
1,091,600
+150,800
| +16% | +$11.5M |
2021 Q2
17 quarters
|
|
338
CALL
AST SpaceMobile
ASTS
$12.2B
| $79.7M | 0.03% |
1,624,200
-370,700
| -19% | -$17.9M |
2024 Q2
5 quarters
|
|
339
PUT
Philip Morris
PM
$320B
| $79.5M | 0.03% |
490,400
+93,600
| +24% | +$15.7M |
2022 Q3
12 quarters
|
|
340
CALL
Lennar Class A
LEN
$18.3B
| $78.9M | 0.03% |
625,700
+231,700
| +59% | +$28.8M |
2023 Q3
8 quarters
|
|
341
Micron Technology
MU
$1T
| $78.8M | 0.03% |
471,252
+69,342
| +17% | +$8.87M |
2023 Q4
7 quarters
|
|
|
342
PUT
Airbnb
ABNB
$102B
| $78.7M | 0.03% |
648,000
-115,300
| -15% | -$14.9M |
2020 Q4
19 quarters
|
|
343
CALL
Analog Devices
ADI
$193B
| $78.6M | 0.03% |
319,900
+135,600
| +74% | +$32.6M |
2022 Q4
11 quarters
|
|
|
344
CALL
Philip Morris
PM
$320B
| $78.5M | 0.03% |
484,200
+1,700
| +0.4% | +$286K |
2022 Q3
12 quarters
|
|
345
CALL
Lowe's Companies
LOW
$110B
| $78.3M | 0.03% |
311,500
+117,900
| +61% | +$29M |
2018 Q4
27 quarters
|
|
346
CALL
Delta Air Lines
DAL
$49.6B
| $77.9M | 0.03% |
1,372,700
+426,100
| +45% | +$24.3M |
2018 Q4
27 quarters
|
|
347
PUT
Charter Communications
CHTR
$12.6B
| $77.3M | 0.03% |
281,000
+182,900
| +186% | +$55.3M |
2022 Q3
12 quarters
|
|
348
CALL
iShares Morningstar Value ETF
ILCV
$1.37B
| $77M | 0.03% |
956,900
+103,100
| +12% | +$8.92M |
2023 Q3
8 quarters
|
|
349
PUT
Ulta Beauty
ULTA
$25.4B
| $76.9M | 0.03% |
140,600
-17,900
| -11% | -$9.17M |
2018 Q4
27 quarters
|
|
350
CALL
Riot Platforms
RIOT
$5.16B
| $76.7M | 0.03% |
4,029,100
+1,822,400
| +83% | +$25.2M |
2020 Q3
20 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.