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 | |
|---|---|---|---|---|---|---|
2876
KeyCorp
KEY
$24.6B
| $795K | ﹤0.01% |
+42,513
| New | +$787K |
|
2877
CALL
Vital Farms
VITL
$498M
| $794K | ﹤0.01% |
19,300
-26,400
| -58% | -$1.15M |
|
2878
CALL
Anavex Life Sciences
AVXL
$303M
| $794K | ﹤0.01% |
89,200
+64,100
| +255% | +$650K |
|
2879
CALL
Fortive
FTV
$18.7B
| $794K | ﹤0.01% |
+16,200
| New | +$798K |
|
2880
CALL
Evergy
EVRG
$19.3B
| $791K | ﹤0.01% |
10,400
-500
| -5% | -$35.6K |
|
2881
ICICI Bank
IBN
$106B
| $789K | ﹤0.01% |
+26,106
| New | +$852K |
|
|
HTGCR
2882
CALL
DELISTED
HERCULES TECHNOLOGY GROWTH CAP INC TRANS RGTS TO PUR COM STK
HTGCR
| $789K | ﹤0.01% |
41,700
+3,300
| +9% | +$62.4K |
|
2883
PUT
Amkor Technology
AMKR
$14.3B
| $787K | ﹤0.01% |
27,700
-238,700
| -90% | -$5.74M |
|
2884
PUT
Voya Financial
VOYA
$9.16B
| $785K | ﹤0.01% |
+10,500
| New | +$774K |
|
2885
PUT
Trex
TREX
$5.1B
| $785K | ﹤0.01% |
15,200
+3,300
| +28% | +$201K |
|
2886
CALL
RCI Hospitality Holdings
RICK
$230M
| $784K | ﹤0.01% |
+25,700
| New | +$921K |
|
2887
PUT
Procept Biorobotics
PRCT
$1.26B
| $782K | ﹤0.01% |
21,900
+5,500
| +34% | +$251K |
|
2888
PUT
Vista Energy
VIST
$7.33B
| $781K | ﹤0.01% |
+22,700
| New | +$939K |
|
|
GOOS
2889
Canada Goose Holdings
GOOS
$850M
| $781K | ﹤0.01% |
+56,619
| New | +$734K |
|
2890
PUT
Vanguard Short-Term Treasury ETF
VGSH
$30.2B
| $777K | ﹤0.01% |
10,000
-1,300
| -12% | -$76.3K |
|
2891
CALL
Sensata Technologies
ST
$6.61B
| $776K | ﹤0.01% |
25,400
-1,100
| -4% | -$34.8K |
|
|
SW
2892
CALL
Smurfit Westrock
SW
$26.2B
| $775K | ﹤0.01% |
+18,200
| New | +$824K |
|
2893
PUT
QuidelOrtho
QDEL
$1.03B
| $775K | ﹤0.01% |
26,300
+5,900
| +29% | +$161K |
|
2894
CALL
Calix
CALX
$2.51B
| $773K | ﹤0.01% |
+12,600
| New | +$726K |
|
2895
CALL
Liberty Energy
LBRT
$3.45B
| $771K | ﹤0.01% |
62,500
+39,000
| +166% | +$451K |
|
|
CRON
2896
PUT
Cronos Group
CRON
$1.16B
| $770K | ﹤0.01% |
277,000
+134,200
| +94% | +$316K |
|
|
FINV
2897
PUT
FinVolution Group
FINV
$1.07B
| $769K | ﹤0.01% |
104,400
+76,800
| +278% | +$673K |
|
2898
CALL
Schrodinger
SDGR
$1.38B
| $764K | ﹤0.01% |
38,100
-8,500
| -18% | -$171K |
|
2899
PUT
DigitalBridge
DBRG
$2.94B
| $764K | ﹤0.01% |
65,300
-39,300
| -38% | -$439K |
|
2900
DexCom
DXCM
$34.5B
| $763K | ﹤0.01% |
+11,334
| New | +$897K |
|
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.