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 | |
|---|---|---|---|---|---|---|
2651
PUT
Yelp
YELP
$1.32B
| $1.09M | ﹤0.01% |
34,800
+18,200
| +110% | +$597K |
|
|
SPR
2652
PUT
DELISTED
Spirit AeroSystems
SPR
| $1.08M | ﹤0.01% |
28,100
-1,800
| -6% | -$72K |
|
2653
Qfin Holdings
QFIN
$1.52B
| $1.08M | ﹤0.01% |
+37,667
| New | +$1.28M |
|
2654
McEwen Inc
MUX
$1.14B
| $1.08M | ﹤0.01% |
63,238
+7,384
| +13% | +$88.4K |
|
|
CGC
2655
CALL
Canopy Growth
CGC
$426M
| $1.08M | ﹤0.01% |
740,000
+196,400
| +36% | +$255K |
|
2656
VanEck Bitcoin Trust
HODL
$1.06B
| $1.08M | ﹤0.01% |
33,356
+21,954
| +193% | +$711K |
|
2657
CALL
St. Joe Company
JOE
$3.89B
| $1.08M | ﹤0.01% |
+21,800
| New | +$1.1M |
|
2658
InMode
INMD
$875M
| $1.08M | ﹤0.01% |
72,380
+27,814
| +62% | +$407K |
|
2659
PUT
BioMarin Pharmaceuticals
BMRN
$13.3B
| $1.08M | ﹤0.01% |
19,900
-900
| -4% | -$51.5K |
|
2660
PUT
Turning Point Brands
TPB
$1.73B
| $1.08M | ﹤0.01% |
+10,900
| New | +$987K |
|
2661
CALL
Sanofi
SNY
$105B
| $1.08M | ﹤0.01% |
22,800
+2,600
| +13% | +$125K |
|
2662
PUT
Trimble
TRMB
$13.4B
| $1.07M | ﹤0.01% |
13,100
-2,300
| -15% | -$188K |
|
2663
Western Union
WU
$2.34B
| $1.07M | ﹤0.01% |
133,812
+73,514
| +122% | +$615K |
|
2664
PUT
Helmerich & Payne
HP
$4.3B
| $1.07M | ﹤0.01% |
48,400
+3,600
| +8% | +$66.4K |
|
2665
PUT
ADT
ADT
$5.46B
| $1.07M | ﹤0.01% |
+122,600
| New | +$1.05M |
|
2666
CALL
Evolv Technologies
EVLV
$1.04B
| $1.07M | ﹤0.01% |
141,400
+68,100
| +93% | +$497K |
|
2667
CALL
Vanguard Short-Term Treasury ETF
VGSH
$30.2B
| $1.07M | ﹤0.01% |
10,900
-16,500
| -60% | -$968K |
|
2668
MetLife
MET
$61.9B
| $1.06M | ﹤0.01% |
12,912
-28,667
| -69% | -$2.26M |
|
2669
CALL
The Bancorp
TBBK
$2.82B
| $1.06M | ﹤0.01% |
+14,200
| New | +$990K |
|
2670
PUT
BorgWarner
BWA
$13.8B
| $1.06M | ﹤0.01% |
24,100
+13,300
| +123% | +$532K |
|
2671
CALL
Blue Bird Corp
BLBD
$2.05B
| $1.06M | ﹤0.01% |
18,400
-1,900
| -9% | -$99.1K |
|
2672
Fiverr
FVRR
$324M
| $1.06M | ﹤0.01% |
+43,372
| New | +$1.06M |
|
|
QXO
2673
QXO Inc
QXO
$16.1B
| $1.06M | ﹤0.01% |
55,410
-55,716
| -50% | -$1.15M |
|
2674
CALL
Lazard
LAZ
$4.43B
| $1.05M | ﹤0.01% |
19,900
-22,400
| -53% | -$1.21M |
|
|
2675
CALL
McEwen Inc
MUX
$1.14B
| $1.05M | ﹤0.01% |
+61,400
| New | +$735K |
|
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.