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 | |
|---|---|---|---|---|---|---|---|
301
CALL
Futu Holdings
FUTU
$14.8B
| $88.7M | 0.03% |
509,800
-59,700
| -10% | -$9.92M |
2021 Q1
18 quarters
|
|
302
CALL
Ulta Beauty
ULTA
$25.4B
| $87.9M | 0.03% |
160,700
+13,000
| +9% | +$6.66M |
2018 Q4
27 quarters
|
|
303
PUT
Accenture
ACN
$139B
| $87.5M | 0.03% |
354,800
+185,700
| +110% | +$48.4M |
2018 Q4
27 quarters
|
|
304
PUT
Intuitive Surgical
ISRG
$151B
| $87.3M | 0.03% |
195,100
-6,400
| -3% | -$3.07M |
2018 Q4
27 quarters
|
|
305
CALL
MP Materials
MP
$7.2B
| $87.2M | 0.03% |
1,299,900
+20,700
| +2% | +$1.3M |
2023 Q3
8 quarters
|
|
306
PUT
Dick's Sporting Goods
DKS
$14.2B
| $87.1M | 0.03% |
392,100
+193,400
| +97% | +$42.1M |
2020 Q3
20 quarters
|
|
307
CALL
Hims & Hers Health
HIMS
$6.52B
| $86.9M | 0.03% |
1,532,800
+92,200
| +6% | +$4.72M |
2024 Q1
6 quarters
|
|
308
PUT
Celestica
CLS
$38.4B
| $86.8M | 0.03% |
352,500
+205,200
| +139% | +$41.4M |
2024 Q1
6 quarters
|
|
309
CALL
eBay
EBAY
$53.4B
| $86.8M | 0.03% |
954,600
+488,500
| +105% | +$43.2M |
2018 Q4
27 quarters
|
|
310
CALL
HCA Healthcare
HCA
$98.8B
| $86.6M | 0.03% |
203,200
-29,700
| -13% | -$11.5M |
2022 Q3
12 quarters
|
|
311
iShares Russell 2000 ETF
IWM
$76.3B
| $86.4M | 0.03% |
356,960
+144,326
| +68% | +$33.1M |
2024 Q3
4 quarters
|
|
|
312
CALL
Celestica
CLS
$38.4B
| $86M | 0.03% |
348,900
+35,800
| +11% | +$7.22M |
2024 Q1
6 quarters
|
|
313
PUT
Marathon Digital Holdings
MARA
$2.91B
| $86M | 0.03% |
4,707,400
+1,233,200
| +35% | +$20.8M |
2022 Q1
14 quarters
|
|
314
CALL
Occidental Petroleum
OXY
$62.4B
| $85.9M | 0.03% |
1,818,300
-67,300
| -4% | -$3.04M |
2018 Q4
27 quarters
|
|
315
PUT
Sea Limited
SE
$57.7B
| $85.7M | 0.03% |
479,300
-58,900
| -11% | -$10.1M |
2020 Q1
22 quarters
|
|
316
CALL
ARK Innovation ETF
ARKK
$8.49B
| $85.6M | 0.03% |
991,900
-620,700
| -38% | -$47.4M |
2021 Q1
18 quarters
|
|
317
PUT
AST SpaceMobile
ASTS
$12.2B
| $85.5M | 0.03% |
1,741,100
+78,000
| +5% | +$3.76M |
2024 Q2
5 quarters
|
|
318
CALL
Roku
ROKU
$22.9B
| $85.2M | 0.03% |
851,300
-1,500
| -0.2% | -$138K |
2019 Q1
26 quarters
|
|
319
EntrepreneurShares Series Trust ERShares Private-Public Crossover ETF
XOVR
$1.45B
| $84.9M | 0.03% |
+4,021,955
| New | +$80.2M |
2025 Q3
0 quarters
|
|
320
PUT
Affirm
AFRM
$24.8B
| $84.5M | 0.03% |
1,156,500
+370,400
| +47% | +$28.2M |
2021 Q2
17 quarters
|
|
|
321
PUT
Futu Holdings
FUTU
$14.8B
| $83.2M | 0.03% |
478,500
+203,100
| +74% | +$33.7M |
2021 Q1
18 quarters
|
|
322
PUT
Rigetti Computing
RGTI
$4.02B
| $83.2M | 0.03% |
2,791,700
+1,247,500
| +81% | +$21.9M |
2024 Q4
3 quarters
|
|
323
CALL
Capital One
COF
$123B
| $82.8M | 0.03% |
389,700
-47,200
| -11% | -$10.3M |
2021 Q3
16 quarters
|
|
324
CALL
Procter & Gamble
PG
$369B
| $82.7M | 0.03% |
538,400
-220,700
| -29% | -$34.5M |
2018 Q4
27 quarters
|
|
325
CALL
Constellation Energy
CEG
$95.7B
| $82.7M | 0.03% |
251,200
-31,900
| -11% | -$10.3M |
2024 Q2
5 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.