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 | |
|---|---|---|---|---|---|---|
1801
CALL
Upwork
UPWK
$1.06B
| $3.65M | ﹤0.01% |
196,700
+131,900
| +204% | +$1.96M |
|
1802
PUT
Vipshop
VIPS
$6.79B
| $3.65M | ﹤0.01% |
185,900
+132,900
| +251% | +$2.2M |
|
1803
CALL
Republic Services
RSG
$66.1B
| $3.65M | ﹤0.01% |
15,900
-1,600
| -9% | -$375K |
|
1804
VF Corp
VFC
$5.79B
| $3.65M | ﹤0.01% |
252,850
+93,290
| +58% | +$1.25M |
|
1805
CALL
Matador Resources
MTDR
$6.58B
| $3.64M | ﹤0.01% |
81,100
-98,700
| -55% | -$4.82M |
|
1806
PUT
Ondas Inc
ONDS
$5.19B
| $3.64M | ﹤0.01% |
+471,400
| New | +$1.96M |
|
1807
CALL
Omega Healthcare
OHI
$14.1B
| $3.64M | ﹤0.01% |
86,100
+1,900
| +2% | +$76.6K |
|
1808
CALL
ARK Blockchain & Fintech Innovation ETF
ARKF
$774M
| $3.63M | ﹤0.01% |
63,900
+21,400
| +50% | +$1.15M |
|
1809
PUT
Goodyear
GT
$1.75B
| $3.63M | ﹤0.01% |
484,800
+157,000
| +48% | +$1.48M |
|
1810
CALL
Virgin Galactic
SPCE
$513M
| $3.62M | ﹤0.01% |
939,000
+323,700
| +53% | +$1.08M |
|
1811
CALL
Summit Therapeutics
SMMT
$10.8B
| $3.62M | ﹤0.01% |
175,300
-151,300
| -46% | -$3.67M |
|
1812
CALL
BCE
BCE
$21.9B
| $3.62M | ﹤0.01% |
154,800
+56,000
| +57% | +$1.35M |
|
1813
CALL
Stellantis
STLA
$20.2B
| $3.62M | ﹤0.01% |
387,600
+15,000
| +4% | +$143K |
|
1814
PUT
Maplebear
CART
$11.2B
| $3.61M | ﹤0.01% |
98,300
+55,800
| +131% | +$2.57M |
|
1815
PUT
GoDaddy
GDDY
$12.2B
| $3.61M | ﹤0.01% |
26,400
-14,000
| -35% | -$2.15M |
|
1816
PUT
American Water Works
AWK
$27B
| $3.61M | ﹤0.01% |
25,900
+7,000
| +37% | +$989K |
|
1817
CALL
Southern Copper
SCCO
$157B
| $3.6M | ﹤0.01% |
30,875
+13,339
| +76% | +$1.29M |
|
1818
Allegro MicroSystems
ALGM
$8.21B
| $3.59M | ﹤0.01% |
+122,837
| New | +$3.97M |
|
1819
PUT
Tower Semiconductor
TSEM
$29.7B
| $3.59M | ﹤0.01% |
49,600
+17,100
| +53% | +$934K |
|
|
DOCU
1820
DocuSign
DOCU
$11.7B
| $3.58M | ﹤0.01% |
+49,658
| New | +$3.83M |
|
1821
abrdn Physical Palladium Shares ETF
PALL
$651M
| $3.58M | ﹤0.01% |
+156,740
| New | +$3.36M |
|
1822
CALL
Calumet Specialty Products
CLMT
$4.16B
| $3.58M | ﹤0.01% |
196,100
+60,500
| +45% | +$995K |
|
1823
CALL
Chemours
CC
$2.37B
| $3.57M | ﹤0.01% |
225,200
+81,400
| +57% | +$1.18M |
|
1824
PUT
Rockwell Automation
ROK
$49.8B
| $3.57M | ﹤0.01% |
+10,200
| New | +$3.52M |
|
1825
Copart
CPRT
$29.3B
| $3.56M | ﹤0.01% |
79,168
+17,545
| +28% | +$827K |
|
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.