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 | |
|---|---|---|---|---|---|---|
|
TPC
2726
CALL
Tutor Perini Cor
TPC
$4.98B
| $977K | ﹤0.01% |
14,900
+2,200
| +17% | +$123K |
|
2727
PUT
TC Energy
TRP
$65.8B
| $974K | ﹤0.01% |
17,900
+5,900
| +49% | +$296K |
|
2728
CALL
California Resources
CRC
$4.69B
| $973K | ﹤0.01% |
+18,300
| New | +$917K |
|
2729
PUT
Compass
COMP
$10.2B
| $972K | ﹤0.01% |
121,100
+8,400
| +7% | +$68K |
|
2730
CALL
ProShares Ultra Bitcoin ETF
BITU
$341M
| $972K | ﹤0.01% |
18,200
-2,300
| -11% | -$129K |
|
2731
PUT
Invesco Equal Weight 0-30 Year Treasury ETF
GOVI
$1.23B
| $970K | ﹤0.01% |
52,200
+40,500
| +346% | +$1.11M |
|
|
TRTX
2732
CALL
TPG RE Finance Trust
TRTX
$616M
| $970K | ﹤0.01% |
+113,300
| New | +$999K |
|
2733
CALL
Idaho Strategic Resources
IDR
$500M
| $970K | ﹤0.01% |
28,700
+11,100
| +63% | +$262K |
|
|
CWAN
2734
CALL
DELISTED
Clearwater Analytics
CWAN
| $969K | ﹤0.01% |
53,800
+7,700
| +17% | +$156K |
|
2735
CALL
Zillow
ZG
$8.15B
| $968K | ﹤0.01% |
13,000
-1,400
| -10% | -$110K |
|
2736
New Oriental
EDU
$8.33B
| $967K | ﹤0.01% |
18,216
+5,914
| +48% | +$292K |
|
2737
PUT
CoreCivic
CXW
$3.13B
| $967K | ﹤0.01% |
47,500
+16,700
| +54% | +$346K |
|
|
CALY
2738
CALL
Callaway Golf Company
CALY
$2.95B
| $966K | ﹤0.01% |
101,700
+30,000
| +42% | +$279K |
|
2739
CALL
Atmus Filtration Technologies
ATMU
$4.06B
| $965K | ﹤0.01% |
+21,400
| New | +$898K |
|
2740
PUT
Church & Dwight Co
CHD
$24B
| $964K | ﹤0.01% |
+11,000
| New | +$1.03M |
|
2741
CALL
Xerox
XRX
$412M
| $963K | ﹤0.01% |
256,100
+147,600
| +136% | +$652K |
|
2742
CALL
GoPro
GPRO
$117M
| $960K | ﹤0.01% |
+452,700
| New | +$673K |
|
2743
CALL
Terex
TEX
$7.57B
| $959K | ﹤0.01% |
18,700
+4,700
| +34% | +$239K |
|
2744
CALL
Crinetics Pharmaceuticals
CRNX
$8.96B
| $958K | ﹤0.01% |
+23,000
| New | +$735K |
|
|
GES
2745
CALL
DELISTED
Guess Inc
GES
| $957K | ﹤0.01% |
57,300
-33,300
| -37% | -$493K |
|
|
AVDL
2746
CALL
DELISTED
Avadel Pharmaceuticals
AVDL
| $957K | ﹤0.01% |
62,700
+26,200
| +72% | +$341K |
|
2747
CALL
ArcBest
ARCB
$3.28B
| $957K | ﹤0.01% |
+13,700
| New | +$1.03M |
|
2748
Matador Resources
MTDR
$6.39B
| $957K | ﹤0.01% |
+21,302
| New | +$1.04M |
|
2749
CALL
Sturm, Ruger & Co
RGR
$601M
| $956K | ﹤0.01% |
22,000
+9,600
| +77% | +$346K |
|
2750
Newell Brands
NWL
$2.63B
| $955K | ﹤0.01% |
182,297
+16,652
| +10% | +$94.4K |
|
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.