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 |
iShares Russell 2000 ETF
IWM
|
+$302M |
| 2 |
Invesco QQQ Trust
QQQ
|
+$170M |
| 3 |
Broadcom
AVGO
|
+$164M |
| 4 |
Tesla
TSLA
|
+$158M |
| 5 |
Palantir
PLTR
|
+$109M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
iShares Bitcoin Trust
IBIT
|
+$167M |
| 2 |
Applovin
APP
|
+$126M |
| 3 |
JD.com
JD
|
+$103M |
| 4 |
Amazon
AMZN
|
+$97.8M |
| 5 |
Vanguard S&P 500 ETF
VOO
|
+$90.4M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 0.56% |
| 2 | Consumer Discretionary | 0.3% |
| 3 | Communication Services | 0.16% |
| 4 | Financials | 0.13% |
| 5 | Industrials | 0.11% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
726
PUT
Motorola Solutions
MSI
$77.4B
| $26.3M | 0.01% |
+68,700
| New | +$27.6M |
|
727
PUT
TeraWulf
WULF
$8.52B
| $26.1M | 0.01% |
2,272,400
+1,092,500
| +93% | +$14.6M |
|
728
Meta Platforms (Facebook)
META
$1.51T
| $26.1M | 0.01% |
39,477
-24,697
| -38% | -$16.5M |
|
729
PUT
Centene
CNC
$32.5B
| $26M | 0.01% |
631,500
-319,700
| -34% | -$12M |
|
730
CALL
Prudential Financial
PRU
$41.8B
| $25.9M | 0.01% |
229,700
+40,000
| +21% | +$4.29M |
|
731
CALL
VanEck Durable High Dividend ETF
DURA
$38.9M
| $25.9M | 0.01% |
112,400
-3,000
| -3% | -$101K |
|
732
PUT
Enphase Energy
ENPH
$5.53B
| $25.9M | 0.01% |
808,500
-202,300
| -20% | -$6.55M |
|
733
CALL
Domino's
DPZ
$11.6B
| $25.8M | 0.01% |
62,000
+10,200
| +20% | +$4.25M |
|
734
PUT
CME Group
CME
$94.8B
| $25.8M | 0.01% |
94,600
+4,900
| +5% | +$1.33M |
|
735
CALL
Ferrari
RACE
$72.5B
| $25.8M | 0.01% |
69,900
+25,800
| +59% | +$10.3M |
|
736
CALL
Hilton Worldwide
HLT
$71.5B
| $25.8M | 0.01% |
89,900
+2,200
| +3% | +$599K |
|
737
CALL
AstraZeneca
AZN
$250B
| $25.8M | 0.01% |
140,200
+12,650
| +10% | +$2.22M |
|
738
PUT
Lyft
LYFT
$6.63B
| $25.8M | 0.01% |
1,330,600
-544,100
| -29% | -$11.3M |
|
739
PUT
e.l.f. Beauty
ELF
$5.81B
| $25.7M | 0.01% |
338,000
-51,000
| -13% | -$5.02M |
|
740
CALL
Pinterest
PINS
$13.4B
| $25.6M | 0.01% |
987,600
+226,100
| +30% | +$6.51M |
|
741
CALL
Kinder Morgan
KMI
$68.7B
| $25.5M | 0.01% |
927,000
-218,500
| -19% | -$5.9M |
|
742
PUT
Deckers Outdoor
DECK
$13.3B
| $25.5M | 0.01% |
245,500
+65,500
| +36% | +$6.14M |
|
743
CALL
Flutter Entertainment
FLUT
$16.4B
| $25.4M | 0.01% |
118,300
+60,200
| +104% | +$13.5M |
|
744
CALL
Lucid Motors
LCID
$2.77B
| $25.2M | 0.01% |
+2,386,700
| New | +$38.1M |
|
745
CALL
CRISPR Therapeutics
CRSP
$5.17B
| $25.2M | 0.01% |
479,900
+84,300
| +21% | +$5.05M |
|
746
PUT
Toll Brothers
TOL
$14.5B
| $25.2M | 0.01% |
186,100
-30,600
| -14% | -$4.15M |
|
747
CALL
Marathon Petroleum
MPC
$83.7B
| $25.1M | 0.01% |
154,500
-25,300
| -14% | -$4.73M |
|
748
CALL
Cleveland-Cliffs
CLF
$6.99B
| $25.1M | 0.01% |
1,887,800
+106,400
| +6% | +$1.34M |
|
749
PUT
Royal Gold
RGLD
$19.5B
| $25M | 0.01% |
112,500
+49,900
| +80% | +$9.9M |
|
750
PUT
Medtronic
MDT
$112B
| $25M | 0.01% |
260,000
+80,100
| +45% | +$7.78M |
|
Similar funds
IMC Chicago's Q4 2025 Portfolio in Review
As of Q4 2025, IMC Chicago held 4,538 positions worth $275B, up 0.14% from $275B the previous quarter. Its ten largest holdings account for 36% of the portfolio.
IMC Chicago's Q4 2025 filing shows 985 new, 1,665 increased, 1,358 reduced and 525 closed positions. Its largest new stake was Palantir: 601,853 shares worth $107M. The largest sale was iShares Bitcoin Trust, an estimated $167M.
By sector, the portfolio is most concentrated in Technology at 0.56% of assets, up from 0.33% a quarter earlier, followed by Consumer Discretionary and Communication Services.
- IMC Chicago's largest Q4 2025 buy was Palantir: 601,853 shares worth $107M.
- IMC Chicago added most to iShares Russell 2000 ETF in Q4 2025, an estimated $302M increase.
- IMC Chicago's biggest Q4 2025 reduction was iShares Bitcoin Trust, cutting an estimated $167M.
- IMC Chicago fully exited Amazon in Q4 2025, selling an estimated $97.8M.
- IMC Chicago's ten largest holdings make up 36% of its $275B portfolio in Q4 2025.
- IMC Chicago opened 985 new positions and closed 525 in Q4 2025.
- IMC Chicago's portfolio value rose 0.14% quarter-over-quarter to $275B.
Based on IMC Chicago's 13F filing for Q4 2025, filed 29 Jan 2026.