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 | |
|---|---|---|---|---|---|---|
|
CFLT
826
CALL
DELISTED
Confluent
CFLT
| $21M | 0.01% |
694,200
-253,400
| -27% | -$6.22M |
|
827
iShares Core S&P 500 ETF
IVV
$904B
| $21M | 0.01% |
30,647
+8,280
| +37% | +$5.62M |
|
|
P
828
CALL
Everpure Inc
P
$29.9B
| $20.9M | 0.01% |
312,500
-28,600
| -8% | -$2.39M |
|
829
Intuit
INTU
$89B
| $20.9M | 0.01% |
+31,538
| New | +$20.8M |
|
830
AbbVie
ABBV
$435B
| $20.9M | 0.01% |
+91,287
| New | +$20.8M |
|
831
CALL
Antero Resources
AR
$10.7B
| $20.8M | 0.01% |
602,400
+251,100
| +71% | +$8.5M |
|
|
DOCU
832
CALL
DocuSign
DOCU
$11.5B
| $20.7M | 0.01% |
302,700
+13,800
| +5% | +$954K |
|
833
CALL
Cboe Global Markets
CBOE
$29.9B
| $20.6M | 0.01% |
82,000
-6,700
| -8% | -$1.67M |
|
834
PUT
First Majestic Silver
AG
$9.07B
| $20.6M | 0.01% |
1,235,000
+502,600
| +69% | +$6.98M |
|
835
PUT
XPeng
XPEV
$11.6B
| $20.5M | 0.01% |
1,010,800
+99,200
| +11% | +$2.15M |
|
836
PUT
NXP Semiconductors
NXPI
$60.4B
| $20.5M | 0.01% |
94,400
+28,000
| +42% | +$6M |
|
837
CALL
Cardinal Health
CAH
$55.4B
| $20.5M | 0.01% |
99,600
-42,800
| -30% | -$8.05M |
|
838
PUT
monday.com
MNDY
$3.94B
| $20.5M | 0.01% |
138,600
-100
| -0.1% | -$16.8K |
|
839
CALL
DigitalOcean
DOCN
$14.6B
| $20.4M | 0.01% |
424,600
+237,900
| +127% | +$10.5M |
|
840
PUT
Etsy
ETSY
$7.85B
| $20.4M | 0.01% |
368,400
-362,000
| -50% | -$22.1M |
|
841
CALL
Brinker International
EAT
$9.66B
| $20.4M | 0.01% |
141,900
+34,600
| +32% | +$4.53M |
|
842
CALL
MetLife
MET
$62.1B
| $20.3M | 0.01% |
257,300
+52,800
| +26% | +$4.18M |
|
843
PUT
Welltower
WELL
$171B
| $20.3M | 0.01% |
109,400
+21,200
| +24% | +$3.96M |
|
844
PUT
American Tower
AMT
$80.4B
| $20.3M | 0.01% |
115,500
+43,800
| +61% | +$7.97M |
|
845
PUT
Kenvue
KVUE
$36.9B
| $20.3M | 0.01% |
1,174,900
-638,300
| -35% | -$10.4M |
|
846
PUT
Southwest Airlines
LUV
$23B
| $20.1M | 0.01% |
487,000
-91,800
| -16% | -$3.21M |
|
847
CALL
NuScale Power
SMR
$4.03B
| $20.1M | 0.01% |
1,419,200
+153,500
| +12% | +$4.39M |
|
|
SHNY
848
CALL
DELISTED
Direxion Daily Silver Miners Index Bull 2X Shares
SHNY
| $20.1M | 0.01% |
976,500
+483,000
| +98% | +$9.93M |
|
849
CALL
Advance Auto Parts
AAP
$3.49B
| $20.1M | 0.01% |
510,400
+233,500
| +84% | +$11.7M |
|
850
PUT
Gilead Sciences
GILD
$165B
| $20.1M | 0.01% |
163,400
-40,200
| -20% | -$4.89M |
|
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.