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 | |
|---|---|---|---|---|---|---|
601
CALL
Kinder Morgan
KMI
$70.1B
| $32.4M | 0.01% |
1,145,500
+359,800
| +46% | +$9.85M |
|
|
FISV
602
CALL
Fiserv Inc
FISV
$28B
| $31.9M | 0.01% |
247,800
+46,000
| +23% | +$6.59M |
|
603
PUT
State Street Industrial Select Sector SPDR ETF
XLI
$34.7B
| $31.9M | 0.01% |
207,100
-44,700
| -18% | -$6.77M |
|
|
UCD
604
CALL
DELISTED
PROSHARES ULTRA BLOOMBERG COMMODITY
UCD
| $31.8M | 0.01% |
550,700
+81,800
| +17% | +$4.73M |
|
605
CALL
Archer Daniels Midland
ADM
$38.8B
| $31.8M | 0.01% |
532,700
+94,100
| +21% | +$5.51M |
|
606
CALL
Deckers Outdoor
DECK
$12.8B
| $31.8M | 0.01% |
313,800
+61,500
| +24% | +$6.71M |
|
607
CALL
Halliburton
HAL
$28.2B
| $31.7M | 0.01% |
1,288,200
+233,100
| +22% | +$5.16M |
|
608
CALL
SoundHound AI
SOUN
$3.29B
| $31.7M | 0.01% |
1,968,400
+423,200
| +27% | +$5.62M |
|
609
CALL
Coupang
CPNG
$29.7B
| $31.4M | 0.01% |
974,300
+76,900
| +9% | +$2.32M |
|
610
PUT
iShares MSCI Australia ETF
EWA
$1.46B
| $31.3M | 0.01% |
897,000
+412,700
| +85% | +$11M |
|
611
Freeport-McMoran
FCX
$96.4B
| $31.2M | 0.01% |
+796,768
| New | +$34.6M |
|
612
Centene
CNC
$32.1B
| $31.2M | 0.01% |
873,846
+810,310
| +1,275% | +$24.5M |
|
613
CALL
Marriott International
MAR
$91.1B
| $31.1M | 0.01% |
119,300
-12,200
| -9% | -$3.28M |
|
614
CALL
Progressive
PGR
$123B
| $31M | 0.01% |
125,500
+25,400
| +25% | +$6.26M |
|
615
CALL
Apollo Global Management
APO
$82.8B
| $31M | 0.01% |
232,300
-500
| -0.2% | -$70.8K |
|
616
CALL
Amphenol
APH
$206B
| $30.9M | 0.01% |
249,700
+11,300
| +5% | +$1.24M |
|
617
CALL
Ciena
CIEN
$54.9B
| $30.4M | 0.01% |
208,800
-14,900
| -7% | -$1.52M |
|
|
HUT
618
CALL
Hut 8
HUT
$10.9B
| $30.4M | 0.01% |
872,900
+496,900
| +132% | +$12.6M |
|
|
619
PUT
Halliburton
HAL
$28.2B
| $30.2M | 0.01% |
1,227,200
+325,900
| +36% | +$7.21M |
|
620
PUT
Toll Brothers
TOL
$14.3B
| $29.9M | 0.01% |
216,700
+33,500
| +18% | +$4.37M |
|
621
Bitwise Bitcoin ETF
BITB
$2.43B
| $29.9M | 0.01% |
480,764
-33,339
| -6% | -$2.08M |
|
622
PUT
Becton Dickinson
BDX
$49.4B
| $29.5M | 0.01% |
157,700
+73,800
| +88% | +$13.7M |
|
623
CALL
Autodesk
ADSK
$53.1B
| $29.4M | 0.01% |
92,700
+25,700
| +38% | +$7.83M |
|
624
PUT
Kenvue
KVUE
$36.6B
| $29.4M | 0.01% |
1,813,200
+1,216,800
| +204% | +$24.8M |
|
625
CALL
Las Vegas Sands
LVS
$29.6B
| $29.4M | 0.01% |
546,900
-43,000
| -7% | -$2.26M |
|
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.