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 | |
|---|---|---|---|---|---|---|
2901
Invesco
IVZ
$14.3B
| $762K | ﹤0.01% |
+33,207
| New | +$689K |
|
2902
CALL
Alignment Healthcare
ALHC
$2.79B
| $761K | ﹤0.01% |
+43,600
| New | +$646K |
|
2903
PUT
MINISO
MNSO
$3.53B
| $758K | ﹤0.01% |
33,700
-11,400
| -25% | -$244K |
|
2904
CALL
LegalZoom.com
LZ
$993M
| $758K | ﹤0.01% |
73,000
+800
| +1% | +$7.98K |
|
2905
PUT
O-I Glass
OI
$1.05B
| $757K | ﹤0.01% |
58,400
+14,700
| +34% | +$200K |
|
2906
Eldorado Gold
EGO
$10B
| $756K | ﹤0.01% |
26,173
-35,344
| -57% | -$832K |
|
|
BBBY
2907
Bed Bath & Beyond
BBBY
$423M
| $756K | ﹤0.01% |
84,901
-68,362
| -45% | -$565K |
|
|
AEVA
2908
CALL
Aeva Technologies
AEVA
$1.56B
| $755K | ﹤0.01% |
52,100
+15,700
| +43% | +$298K |
|
2909
PUT
Delek US
DK
$4.18B
| $755K | ﹤0.01% |
+23,400
| New | +$611K |
|
2910
PUT
Lightbridge
LTBR
$327M
| $755K | ﹤0.01% |
35,600
+4,500
| +14% | +$67.7K |
|
2911
PUT
Iridium Communications
IRDM
$5.27B
| $754K | ﹤0.01% |
+43,200
| New | +$1.07M |
|
2912
CALL
ADMA Biologics
ADMA
$2.11B
| $754K | ﹤0.01% |
51,400
+20,700
| +67% | +$355K |
|
2913
Ondas Inc
ONDS
$5.08B
| $753K | ﹤0.01% |
+97,526
| New | +$405K |
|
2914
CALL
Intapp
INTA
$3.16B
| $753K | ﹤0.01% |
+18,400
| New | +$795K |
|
2915
PUT
Viatris
VTRS
$18.4B
| $751K | ﹤0.01% |
75,900
+36,700
| +94% | +$357K |
|
2916
CALL
Fidelity National Financial
FNF
$13.1B
| $750K | ﹤0.01% |
12,400
+100
| +0.8% | +$5.81K |
|
|
HOUS
2917
CALL
DELISTED
Anywhere Real Estate
HOUS
| $748K | ﹤0.01% |
+70,600
| New | +$415K |
|
|
PPLI
2918
People Inc
PPLI
$3.01B
| $746K | ﹤0.01% |
+21,910
| New | +$818K |
|
2919
CALL
Children's Place
PLCE
$53.4M
| $745K | ﹤0.01% |
120,000
+72,800
| +154% | +$395K |
|
2920
Valley National Bancorp
VLY
$8.3B
| $745K | ﹤0.01% |
+70,268
| New | +$702K |
|
|
CRON
2921
Cronos Group
CRON
$1.16B
| $742K | ﹤0.01% |
266,823
+109,243
| +69% | +$257K |
|
2922
CALL
Bruker
BRKR
$8.83B
| $741K | ﹤0.01% |
+22,800
| New | +$813K |
|
2923
CALL
Ginkgo Bioworks
DNA
$488M
| $741K | ﹤0.01% |
50,800
-63,100
| -55% | -$755K |
|
|
VNET
2924
VNET Group
VNET
$2.12B
| $738K | ﹤0.01% |
71,427
+4,709
| +7% | +$39.7K |
|
|
JKS
2925
PUT
JinkoSolar
JKS
$853M
| $738K | ﹤0.01% |
+30,700
| New | +$724K |
|
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.