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 | |
|---|---|---|---|---|---|---|
676
CALL
Monolithic Power Systems
MPWR
$70.5B
| $26.1M | 0.01% |
28,400
+4,900
| +21% | +$3.97M |
|
677
PUT
Abbott
ABT
$192B
| $26.1M | 0.01% |
195,100
-4,400
| -2% | -$578K |
|
678
CALL
Kratos Defense & Security Solutions
KTOS
$11.8B
| $26.1M | 0.01% |
285,200
+120,300
| +73% | +$7.7M |
|
679
CALL
Warner Bros
WBD
$68.8B
| $25.9M | 0.01% |
1,328,700
-29,500
| -2% | -$402K |
|
680
CALL
PG&E
PCG
$38.2B
| $25.9M | 0.01% |
1,720,000
+540,300
| +46% | +$7.88M |
|
681
CALL
CRISPR Therapeutics
CRSP
$5.21B
| $25.6M | 0.01% |
395,600
-120,600
| -23% | -$6.92M |
|
682
Astera Labs
ALAB
$58.4B
| $25.6M | 0.01% |
130,720
-318
| -0.2% | -$52.3K |
|
683
CALL
State Street Communication Services Select Sector SPDR ETF
XLC
$22.3B
| $25.5M | 0.01% |
215,700
+23,800
| +12% | +$2.65M |
|
684
Spotify
SPOT
$101B
| $25.5M | 0.01% |
+36,557
| New | +$25.6M |
|
685
PUT
Chewy
CHWY
$9.09B
| $25.4M | 0.01% |
629,000
+1,300
| +0.2% | +$50.1K |
|
686
CALL
CME Group
CME
$94.2B
| $25.4M | 0.01% |
94,000
+6,000
| +7% | +$1.63M |
|
687
CALL
Rocket Companies
RKT
$39.5B
| $25.4M | 0.01% |
1,309,200
+849,700
| +185% | +$14.8M |
|
688
PUT
Li Auto
LI
$12.3B
| $25.2M | 0.01% |
994,000
+616,800
| +164% | +$16M |
|
689
CALL
Cheniere Energy
LNG
$55.5B
| $25.1M | 0.01% |
107,000
+1,900
| +2% | +$447K |
|
690
PUT
Ferrari
RACE
$71.5B
| $25.1M | 0.01% |
51,700
+6,200
| +14% | +$2.97M |
|
691
PUT
Wingstop
WING
$3.09B
| $25.1M | 0.01% |
99,600
+18,800
| +23% | +$5.84M |
|
692
CALL
XPeng
XPEV
$11.3B
| $25M | 0.01% |
1,068,100
+174,600
| +20% | +$3.5M |
|
693
PUT
Equinix
EQIX
$105B
| $24.9M | 0.01% |
31,800
-4,500
| -12% | -$3.52M |
|
|
DOCU
694
PUT
DocuSign
DOCU
$11B
| $24.9M | 0.01% |
345,100
+43,000
| +14% | +$3.31M |
|
695
CALL
Cipher Digital
CIFR
$7.45B
| $24.8M | 0.01% |
1,971,700
+1,567,800
| +388% | +$11.8M |
|
696
CALL
C.H. Robinson
CHRW
$17.2B
| $24.8M | 0.01% |
187,200
+80,200
| +75% | +$9.41M |
|
697
PUT
Sunrun
RUN
$2.36B
| $24.8M | 0.01% |
1,431,800
-442,500
| -24% | -$5.92M |
|
|
EXE
698
PUT
Expand Energy Corp
EXE
$22.5B
| $24.7M | 0.01% |
232,600
+102,600
| +79% | +$10.3M |
|
699
PUT
Coherent
COHR
$70.2B
| $24.6M | 0.01% |
228,100
-87,100
| -28% | -$8.68M |
|
700
CALL
Align Technology
ALGN
$12.2B
| $24.6M | 0.01% |
196,200
+113,400
| +137% | +$17.8M |
|
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.