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 | |
|---|---|---|---|---|---|---|
2601
XP
XP
$8.18B
| $1.17M | ﹤0.01% |
62,106
+43,319
| +231% | +$777K |
|
2602
Zillow
Z
$8.08B
| $1.17M | ﹤0.01% |
15,138
-20,217
| -57% | -$1.65M |
|
2603
PUT
Newell Brands
NWL
$2.63B
| $1.16M | ﹤0.01% |
222,100
+52,500
| +31% | +$298K |
|
2604
CALL
Altimmune
ALT
$560M
| $1.16M | ﹤0.01% |
308,600
-111,000
| -26% | -$429K |
|
2605
PUT
TAL Education Group
TAL
$6.43B
| $1.16M | ﹤0.01% |
103,700
-120,600
| -54% | -$1.3M |
|
2606
Global E Online
GLBE
$7.09B
| $1.16M | ﹤0.01% |
32,419
-13,147
| -29% | -$449K |
|
2607
PUT
Main Street Capital
MAIN
$5.54B
| $1.16M | ﹤0.01% |
18,200
+7,500
| +70% | +$485K |
|
2608
Hormel Foods
HRL
$13.4B
| $1.16M | ﹤0.01% |
46,766
+36,535
| +357% | +$1.01M |
|
|
THS
2609
DELISTED
Treehouse Foods
THS
| $1.15M | ﹤0.01% |
+57,145
| New | +$1.08M |
|
2610
PUT
Arbor Realty Trust
ABR
$981M
| $1.15M | ﹤0.01% |
94,500
+4,500
| +5% | +$52.4K |
|
|
ODP
2611
CALL
DELISTED
ODP
ODP
| $1.15M | ﹤0.01% |
+41,400
| New | +$850K |
|
2612
CALL
Iridium Communications
IRDM
$5.27B
| $1.15M | ﹤0.01% |
66,000
+49,100
| +291% | +$1.21M |
|
2613
CALL
MakeMyTrip
MMYT
$5.71B
| $1.15M | ﹤0.01% |
12,300
-4,200
| -25% | -$408K |
|
2614
PUT
Euronet Worldwide
EEFT
$2.78B
| $1.15M | ﹤0.01% |
+13,100
| New | +$1.26M |
|
2615
Cemex
CX
$16B
| $1.15M | ﹤0.01% |
+127,821
| New | +$1.09M |
|
2616
Globus Medical
GMED
$11.5B
| $1.15M | ﹤0.01% |
+20,064
| New | +$1.16M |
|
2617
United States Antimony
UAMY
$799M
| $1.15M | ﹤0.01% |
+185,296
| New | +$774K |
|
2618
ProShares Ether Strategy ETF
EETH
$54.3M
| $1.15M | ﹤0.01% |
+16,900
| New | +$1.14M |
|
2619
PUT
Bitdeer Technologies
BTDR
$2.38B
| $1.15M | ﹤0.01% |
67,000
+18,800
| +39% | +$264K |
|
2620
PUT
Ball Corp
BALL
$16.4B
| $1.14M | ﹤0.01% |
22,700
-4,200
| -16% | -$227K |
|
2621
PUT
NextDecade
NEXT
$1.8B
| $1.14M | ﹤0.01% |
168,500
+60,000
| +55% | +$580K |
|
2622
PUT
Rexford Industrial Realty
REXR
$8.12B
| $1.14M | ﹤0.01% |
27,700
+16,700
| +152% | +$654K |
|
2623
CALL
A.O. Smith
AOS
$8.49B
| $1.14M | ﹤0.01% |
15,500
+300
| +2% | +$21.4K |
|
2624
PUT
Global X S&P 500 Tail Risk ETF
XTR
$4.99M
| $1.13M | ﹤0.01% |
16,100
-1,800
| -10% | -$52.8K |
|
2625
CALL
Agree Realty
ADC
$9.34B
| $1.13M | ﹤0.01% |
15,900
-4,100
| -21% | -$297K |
|
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.