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 | |
|---|---|---|---|---|---|---|
|
GOLD
2551
CALL
Gold.com Inc
GOLD
$1.26B
| $1.71M | ﹤0.01% |
50,300
+35,000
| +229% | +$1,000K |
|
2552
CALL
Revvity
RVTY
$12.9B
| $1.71M | ﹤0.01% |
+17,700
| New | +$1.7M |
|
2553
VanEck Pharmaceutical ETF
PPH
$996M
| $1.71M | ﹤0.01% |
+16,549
| New | +$1.61M |
|
2554
CALL
Alight
ALIT
$364M
| $1.71M | ﹤0.01% |
43,745
+8,465
| +24% | +$422K |
|
2555
PUT
Helen of Troy
HELE
$682M
| $1.7M | ﹤0.01% |
80,000
+11,000
| +16% | +$224K |
|
|
CNR
2556
PUT
Core Natural Resources Inc
CNR
$4.65B
| $1.7M | ﹤0.01% |
+19,200
| New | +$1.64M |
|
2557
PUT
Weatherford International
WFRD
$6.77B
| $1.7M | ﹤0.01% |
21,700
-15,900
| -42% | -$1.15M |
|
|
EH
2558
EHang Holdings
EH
$438M
| $1.7M | ﹤0.01% |
128,745
-48,925
| -28% | -$772K |
|
2559
CALL
Pegasystems
PEGA
$5.44B
| $1.7M | ﹤0.01% |
28,400
+12,400
| +78% | +$726K |
|
2560
PUT
Cooper Companies
COO
$15B
| $1.69M | ﹤0.01% |
+20,600
| New | +$1.54M |
|
2561
Euronet Worldwide
EEFT
$2.64B
| $1.68M | ﹤0.01% |
+22,119
| New | +$1.72M |
|
2562
PUT
Alcon
ALC
$36.7B
| $1.68M | ﹤0.01% |
21,300
+9,100
| +75% | +$701K |
|
|
UNIT
2563
CALL
Uniti Group
UNIT
$2.25B
| $1.68M | ﹤0.01% |
+239,400
| New | +$1.52M |
|
2564
CALL
Fiverr
FVRR
$315M
| $1.68M | ﹤0.01% |
84,800
-70,100
| -45% | -$1.51M |
|
2565
CALL
AXT Inc
AXTI
$4.83B
| $1.67M | ﹤0.01% |
+102,400
| New | +$989K |
|
2566
Antero Resources
AR
$11.6B
| $1.67M | ﹤0.01% |
48,489
-101,624
| -68% | -$3.44M |
|
2567
PUT
Axos Financial
AX
$5.68B
| $1.66M | ﹤0.01% |
19,300
+1,600
| +9% | +$132K |
|
|
HIVE
2568
CALL
HIVE Digital Technologies
HIVE
$725M
| $1.66M | ﹤0.01% |
644,100
+76,900
| +14% | +$325K |
|
2569
Weyerhaeuser
WY
$18B
| $1.66M | ﹤0.01% |
70,043
+35,193
| +101% | +$814K |
|
2570
EnerSys
ENS
$6.79B
| $1.66M | ﹤0.01% |
+11,300
| New | +$1.51M |
|
2571
Tidewater
TDW
$4.54B
| $1.66M | ﹤0.01% |
32,821
+16,050
| +96% | +$848K |
|
2572
PUT
Compass
COMP
$9.74B
| $1.66M | ﹤0.01% |
156,800
+35,700
| +29% | +$326K |
|
2573
PUT
TMC The Metals Company
TMC
$1.97B
| $1.66M | ﹤0.01% |
268,500
-39,200
| -13% | -$275K |
|
2574
PUT
TripAdvisor
TRIP
$1.28B
| $1.66M | ﹤0.01% |
113,700
-101,400
| -47% | -$1.54M |
|
2575
PUT
ADMA Biologics
ADMA
$2.22B
| $1.65M | ﹤0.01% |
90,600
+31,700
| +54% | +$534K |
|
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.