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 | |
|---|---|---|---|---|---|---|
|
NNDM
3051
Nano Dimension
NNDM
$348M
| $604K | ﹤0.01% |
384,449
+86,104
| +29% | +$126K |
|
3052
BILL Holdings
BILL
$5.11B
| $604K | ﹤0.01% |
+11,394
| New | +$529K |
|
3053
PUT
Perrigo
PRGO
$1.78B
| $604K | ﹤0.01% |
27,100
+5,500
| +25% | +$134K |
|
3054
PUT
Progress Software
PRGS
$1.83B
| $602K | ﹤0.01% |
+13,700
| New | +$631K |
|
3055
CALL
Genesis Energy
GEL
$1.92B
| $600K | ﹤0.01% |
+35,900
| New | +$603K |
|
3056
PUT
BRC Group Holdings
RILY
$303M
| $597K | ﹤0.01% |
+99,900
| New | +$552K |
|
3057
PUT
AMN Healthcare
AMN
$1.34B
| $596K | ﹤0.01% |
+30,800
| New | +$602K |
|
|
JPGE
3058
PUT
DELISTED
JPMorgan Diversified Return Global Equity ETF
JPGE
| $594K | ﹤0.01% |
+10,400
| New | +$594K |
|
3059
PUT
Beyond Meat
BYND
$210M
| $593K | ﹤0.01% |
313,600
+234,500
| +296% | +$691K |
|
3060
CALL
Finance of America Companies
FOA
$206M
| $592K | ﹤0.01% |
26,400
+7,000
| +36% | +$175K |
|
3061
PUT
Ginkgo Bioworks
DNA
$488M
| $592K | ﹤0.01% |
+40,600
| New | +$486K |
|
3062
Avantor
AVTR
$9.37B
| $592K | ﹤0.01% |
47,426
-4,137
| -8% | -$53.3K |
|
3063
CALL
Compass
COMP
$10.2B
| $592K | ﹤0.01% |
73,700
+35,700
| +94% | +$289K |
|
|
LLYX
3064
CALL
Defiance Daily Target 2x Long LLY ETF
LLYX
$46.9M
| $592K | ﹤0.01% |
+42,600
| New | +$590K |
|
|
AEVA
3065
PUT
Aeva Technologies
AEVA
$1.56B
| $592K | ﹤0.01% |
+40,800
| New | +$773K |
|
3066
CALL
Huazhu Hotels Group
HTHT
$12.5B
| $591K | ﹤0.01% |
+15,100
| New | +$527K |
|
3067
CALL
Wolverine World Wide
WWW
$1.63B
| $590K | ﹤0.01% |
+21,500
| New | +$566K |
|
3068
PUT
Worthington Enterprises
WOR
$2.85B
| $588K | ﹤0.01% |
+10,600
| New | +$668K |
|
3069
CALL
Triple Flag Precious Metals
TFPM
$6.45B
| $588K | ﹤0.01% |
+20,100
| New | +$520K |
|
|
NNDM
3070
PUT
Nano Dimension
NNDM
$348M
| $587K | ﹤0.01% |
374,100
+116,500
| +45% | +$170K |
|
3071
Calumet Specialty Products
CLMT
$4.29B
| $587K | ﹤0.01% |
32,171
+19,024
| +145% | +$313K |
|
3072
PUT
BridgeBio Pharma
BBIO
$15.9B
| $587K | ﹤0.01% |
+11,300
| New | +$551K |
|
3073
PUT
Navios Maritime Partners
NMM
$2.31B
| $586K | ﹤0.01% |
13,000
+2,200
| +20% | +$97.4K |
|
3074
CALL
Caleres
CAL
$461M
| $583K | ﹤0.01% |
44,700
+22,300
| +100% | +$323K |
|
3075
CALL
The Honest Company
HNST
$540M
| $583K | ﹤0.01% |
+158,300
| New | +$671K |
|
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.