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 | Consumer Discretionary | 0.39% |
| 2 | Technology | 0.33% |
| 3 | Communication Services | 0.22% |
| 4 | Industrials | 0.16% |
| 5 | Financials | 0.14% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
1751
CALL
HF Sinclair
DINO
$16.5B
| $3.87M | ﹤0.01% |
73,900
+12,800
| +21% | +$607K |
|
1752
PUT
Comstock Resources
CRK
$4.12B
| $3.86M | ﹤0.01% |
194,700
+101,500
| +109% | +$1.88M |
|
1753
CALL
EPAM Systems
EPAM
$5.18B
| $3.86M | ﹤0.01% |
25,600
+14,000
| +121% | +$2.3M |
|
1754
AerCap
AER
$23.8B
| $3.86M | ﹤0.01% |
+31,898
| New | +$3.72M |
|
1755
CALL
DigitalBridge
DBRG
$2.95B
| $3.85M | ﹤0.01% |
329,300
-127,900
| -28% | -$1.43M |
|
1756
PUT
SiriusXM
SIRI
$9.5B
| $3.85M | ﹤0.01% |
165,400
+25,700
| +18% | +$595K |
|
|
FITB
1757
PUT
Fifth Third Bancorp
FITB
$52.7B
| $3.85M | ﹤0.01% |
86,400
-26,900
| -24% | -$1.18M |
|
1758
CALL
Jazz Pharmaceuticals
JAZZ
$15.9B
| $3.85M | ﹤0.01% |
+29,200
| New | +$3.5M |
|
1759
CALL
Unilever
UL
$134B
| $3.85M | ﹤0.01% |
57,689
+2,311
| +4% | +$159K |
|
1760
Procter & Gamble
PG
$335B
| $3.84M | ﹤0.01% |
25,004
+12,153
| +95% | +$1.9M |
|
1761
CALL
Canadian National Railway
CNI
$76.9B
| $3.84M | ﹤0.01% |
40,700
+14,500
| +55% | +$1.4M |
|
1762
CALL
Ascendis Pharma A/S
ASND
$16.2B
| $3.82M | ﹤0.01% |
+19,200
| New | +$3.58M |
|
1763
PUT
Darling Ingredients
DAR
$10.5B
| $3.81M | ﹤0.01% |
123,500
-3,500
| -3% | -$117K |
|
1764
Dollar Tree
DLTR
$25.1B
| $3.81M | ﹤0.01% |
40,394
-31,612
| -44% | -$3.38M |
|
1765
CALL
ARK Web x.0 ETF
ARKW
$1.81B
| $3.81M | ﹤0.01% |
21,800
+3,100
| +17% | +$492K |
|
1766
Direxion Daily S&P Biotech Bull 3X ETF
LABU
$620M
| $3.81M | ﹤0.01% |
+40,660
| New | +$2.87M |
|
1767
Estee Lauder
EL
$31.4B
| $3.8M | ﹤0.01% |
43,139
+10,872
| +34% | +$968K |
|
1768
CALL
Dave & Buster's
PLAY
$352M
| $3.79M | ﹤0.01% |
208,900
+23,000
| +12% | +$604K |
|
1769
PUT
Copa Holdings
CPA
$6.15B
| $3.79M | ﹤0.01% |
31,900
+15,200
| +91% | +$1.74M |
|
1770
PUT
PENN Entertainment
PENN
$2.52B
| $3.79M | ﹤0.01% |
196,600
-304,500
| -61% | -$5.71M |
|
1771
PUT
Northern Trust
NTRS
$35B
| $3.78M | ﹤0.01% |
28,100
-63,800
| -69% | -$8.21M |
|
1772
Joby Aviation
JOBY
$7.85B
| $3.78M | ﹤0.01% |
234,282
+15,633
| +7% | +$237K |
|
1773
CALL
Fiverr
FVRR
$324M
| $3.78M | ﹤0.01% |
154,900
+81,900
| +112% | +$2.01M |
|
1774
PUT
Western Alliance Bancorporation
WAL
$8.99B
| $3.78M | ﹤0.01% |
43,600
-8,400
| -16% | -$712K |
|
1775
TSMC
TSM
$2.21T
| $3.78M | ﹤0.01% |
+13,521
| New | +$3.31M |
|
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 deployed $23.7B of net new capital in Q3 2025, opening 783 new positions and adding to 1,843 existing holdings. Its largest new stake was Netflix: 666,120 shares worth $79.9M.
By sector, the portfolio is most concentrated in Consumer Discretionary at 0.39% of assets, up from 0.25% a quarter earlier, followed by Technology and Communication Services.
On the sell side, the largest reduction was State Street SPDR Dow Jones Industrial Average ETF Trust, an estimated $135M trimmed.
- 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.