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 | |
|---|---|---|---|---|---|---|
826
PUT
Southwest Airlines
LUV
$22B
| $18.5M | 0.01% |
578,800
+188,800
| +48% | +$6.17M |
|
827
PUT
Teradyne
TER
$64.2B
| $18.5M | 0.01% |
134,100
-64,100
| -32% | -$7M |
|
828
PUT
Automatic Data Processing
ADP
$110B
| $18.4M | 0.01% |
62,700
-24,500
| -28% | -$7.37M |
|
829
PUT
Deckers Outdoor
DECK
$12.7B
| $18.2M | 0.01% |
180,000
-23,100
| -11% | -$2.52M |
|
830
CALL
Clorox
CLX
$12.9B
| $18M | 0.01% |
146,200
+15,500
| +12% | +$1.92M |
|
831
CALL
LyondellBasell Industries
LYB
$20.2B
| $17.9M | 0.01% |
365,900
+116,800
| +47% | +$6.59M |
|
832
CALL
DexCom
DXCM
$34.5B
| $17.9M | 0.01% |
265,700
+40,300
| +18% | +$3.19M |
|
833
CALL
Return Stacked Bonds & Managed Futures ETF
RSBT
$141M
| $17.8M | 0.01% |
807,400
+252,600
| +46% | +$4.17M |
|
834
PUT
MetLife
MET
$61.9B
| $17.8M | 0.01% |
216,100
+18,500
| +9% | +$1.46M |
|
835
CALL
Intercontinental Exchange
ICE
$87.2B
| $17.8M | 0.01% |
105,400
+70,700
| +204% | +$12.6M |
|
836
CALL
Franco-Nevada
FNV
$44.7B
| $17.7M | 0.01% |
79,200
+20,500
| +35% | +$3.69M |
|
837
CALL
Waste Management
WM
$89.6B
| $17.6M | 0.01% |
79,900
+24,500
| +44% | +$5.52M |
|
838
CALL
SharkNinja
SN
$26.6B
| $17.6M | 0.01% |
170,300
+107,000
| +169% | +$12.2M |
|
839
CALL
Enterprise Products Partners
EPD
$82.1B
| $17.5M | 0.01% |
561,000
+182,300
| +48% | +$5.75M |
|
840
PUT
State Street Communication Services Select Sector SPDR ETF
XLC
$22.8B
| $17.5M | 0.01% |
148,200
-25,400
| -15% | -$2.82M |
|
841
YieldMax MSTR Option Income Strategy ETF
MSTY
$751M
| $17.5M | 0.01% |
+250,434
| New | +$22.8M |
|
842
PUT
CleanSpark
CLSK
$2.96B
| $17.4M | 0.01% |
1,201,300
+100,100
| +9% | +$1.13M |
|
843
PUT
CF Industries
CF
$17.7B
| $17.4M | 0.01% |
193,900
+24,400
| +14% | +$2.18M |
|
844
PUT
Trump Media & Technology Group
DJT
$2.31B
| $17.4M | 0.01% |
1,058,000
+133,800
| +14% | +$2.37M |
|
845
PUT
Yum! Brands
YUM
$41.2B
| $17.3M | 0.01% |
114,000
+62,400
| +121% | +$9.19M |
|
846
PUT
Microchip Technology
MCHP
$42.2B
| $17.3M | 0.01% |
269,400
-93,000
| -26% | -$6.3M |
|
847
PUT
CRISPR Therapeutics
CRSP
$5.22B
| $17.3M | 0.01% |
266,700
-42,800
| -14% | -$2.46M |
|
848
PUT
DaVita
DVA
$11.4B
| $17.2M | 0.01% |
129,200
-2,200
| -2% | -$302K |
|
849
PUT
HP
HPQ
$28.6B
| $17.2M | 0.01% |
630,300
+75,500
| +14% | +$2.01M |
|
850
CALL
Match Group
MTCH
$8.56B
| $17.2M | 0.01% |
485,800
-7,400
| -2% | -$264K |
|
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.