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 | |
|---|---|---|---|---|---|---|
2551
CALL
Indivior Pharmaceuticals
INDV
$4.51B
| $1.27M | ﹤0.01% |
+52,500
| New | +$1.1M |
|
2552
STMicroelectronics
STM
$48.1B
| $1.26M | ﹤0.01% |
44,762
+20,773
| +87% | +$581K |
|
2553
PUT
Axsome Therapeutics
AXSM
$11.2B
| $1.26M | ﹤0.01% |
+10,400
| New | +$1.17M |
|
2554
CALL
Sunoco
SUN
$14B
| $1.26M | ﹤0.01% |
25,100
+5,400
| +27% | +$281K |
|
2555
CALL
Inspire Medical Systems
INSP
$1.68B
| $1.25M | ﹤0.01% |
+16,900
| New | +$1.71M |
|
2556
Direxion Daily AAPL Bear 1X ETF
AAPD
$62.3M
| $1.25M | ﹤0.01% |
89,456
-20,386
| -19% | -$326K |
|
2557
CALL
US Foods
USFD
$23.8B
| $1.25M | ﹤0.01% |
16,300
+4,200
| +35% | +$334K |
|
2558
PUT
AGNC Investment
AGNC
$13B
| $1.25M | ﹤0.01% |
127,200
-4,400
| -3% | -$42.7K |
|
|
VNET
2559
PUT
VNET Group
VNET
$2.12B
| $1.24M | ﹤0.01% |
120,500
+67,300
| +127% | +$567K |
|
2560
CALL
Xometry
XMTR
$5.42B
| $1.24M | ﹤0.01% |
+22,800
| New | +$989K |
|
2561
CALL
Recursion Pharmaceuticals
RXRX
$1.78B
| $1.24M | ﹤0.01% |
254,400
-29,300
| -10% | -$154K |
|
2562
PUT
RingCentral
RNG
$5.66B
| $1.24M | ﹤0.01% |
43,700
+7,000
| +19% | +$204K |
|
2563
CALL
Frontline
FRO
$9.02B
| $1.24M | ﹤0.01% |
54,300
-57,400
| -51% | -$1.16M |
|
2564
PUT
Global E Online
GLBE
$7.09B
| $1.23M | ﹤0.01% |
34,500
-3,700
| -10% | -$126K |
|
2565
CALL
Brookfield Asset Management
BAM
$89.2B
| $1.23M | ﹤0.01% |
+21,600
| New | +$1.28M |
|
2566
CALL
Blackstone Mortgage Trust
BXMT
$2.44B
| $1.23M | ﹤0.01% |
66,700
+2,200
| +3% | +$42.4K |
|
2567
AdvisorShares Pure US Cannabis ETF
MSOS
$934M
| $1.23M | ﹤0.01% |
256,281
-318,947
| -55% | -$1.26M |
|
2568
Enterprise Products Partners
EPD
$82.1B
| $1.23M | ﹤0.01% |
39,253
+11,652
| +42% | +$368K |
|
2569
Evergy
EVRG
$19.3B
| $1.23M | ﹤0.01% |
+16,135
| New | +$1.15M |
|
|
SKYT
2570
PUT
DELISTED
SkyWater Technology
SKYT
| $1.23M | ﹤0.01% |
65,700
+20,600
| +46% | +$238K |
|
2571
PUT
DoubleVerify
DV
$2.04B
| $1.22M | ﹤0.01% |
+102,100
| New | +$1.51M |
|
2572
PUT
Lattice Semiconductor
LSCC
$18.2B
| $1.22M | ﹤0.01% |
16,600
-11,400
| -41% | -$694K |
|
2573
PUT
Western Union
WU
$2.34B
| $1.22M | ﹤0.01% |
152,300
+21,200
| +16% | +$177K |
|
2574
PUT
Exelixis
EXEL
$12.5B
| $1.21M | ﹤0.01% |
29,400
+5,000
| +20% | +$201K |
|
2575
CALL
Star Bulk Carriers
SBLK
$3.21B
| $1.21M | ﹤0.01% |
65,300
+4,000
| +7% | +$75.4K |
|
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.