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 | |
|---|---|---|---|---|---|---|
|
AIRO
3726
AIRO Group Holdings
AIRO
$268M
| $338K | ﹤0.01% |
+41,318
| New | +$533K |
|
|
KDK
3727
Kodiak AI
KDK
$865M
| $338K | ﹤0.01% |
+30,941
| New | +$248K |
|
3728
Annaly Capital Management
NLY
$17.4B
| $338K | ﹤0.01% |
15,110
-70,517
| -82% | -$1.54M |
|
3729
PUT
Amcor
AMCR
$22.1B
| $338K | ﹤0.01% |
8,100
-800
| -9% | -$33K |
|
3730
CALL
Carbon Collective Climate Solutions US Equity ETF
CCSO
$49.7M
| $337K | ﹤0.01% |
+23,100
| New | +$580K |
|
3731
GoodRx Holdings
GDRX
$1.26B
| $336K | ﹤0.01% |
124,158
+46,791
| +60% | +$154K |
|
3732
CALL
Tactile Systems Technology
TCMD
$665M
| $336K | ﹤0.01% |
+11,600
| New | +$257K |
|
3733
GoPro
GPRO
$126M
| $336K | ﹤0.01% |
238,299
+31,857
| +15% | +$57.8K |
|
3734
CALL
ManpowerGroup
MAN
$2.63B
| $336K | ﹤0.01% |
+11,300
| New | +$353K |
|
3735
PUT
EVgo
EVGO
$229M
| $336K | ﹤0.01% |
115,400
-12,400
| -10% | -$45.1K |
|
3736
CALL
Tronox
TROX
$1.04B
| $336K | ﹤0.01% |
80,500
-38,700
| -32% | -$147K |
|
3737
CALL
Weibo
WB
$1.95B
| $334K | ﹤0.01% |
32,700
+12,300
| +60% | +$132K |
|
3738
CALL
Perrigo
PRGO
$1.78B
| $334K | ﹤0.01% |
24,000
-4,800
| -17% | -$80K |
|
|
SUPV
3739
CALL
Grupo Supervielle
SUPV
$753M
| $332K | ﹤0.01% |
+28,100
| New | +$275K |
|
3740
CALL
FS KKR Capital
FSK
$3.44B
| $332K | ﹤0.01% |
+22,400
| New | +$340K |
|
3741
CALL
Hippo Holdings
HIPO
$861M
| $331K | ﹤0.01% |
+11,000
| New | +$368K |
|
3742
ACV Auctions
ACVA
$1.3B
| $331K | ﹤0.01% |
+41,230
| New | +$334K |
|
3743
PUT
Honda
HMC
$41.3B
| $330K | ﹤0.01% |
11,200
-900
| -7% | -$27.3K |
|
|
SLDE
3744
Slide Insurance Holdings
SLDE
$2.47B
| $329K | ﹤0.01% |
+16,906
| New | +$282K |
|
|
DX
3745
PUT
Dynex Capital
DX
$3.21B
| $329K | ﹤0.01% |
23,500
-5,900
| -20% | -$79.6K |
|
3746
CALL
SandRidge Energy
SD
$503M
| $328K | ﹤0.01% |
+22,700
| New | +$300K |
|
3747
PUT
Grocery Outlet
GO
$980M
| $327K | ﹤0.01% |
32,400
+9,500
| +41% | +$120K |
|
|
KDK
3748
PUT
Kodiak AI
KDK
$865M
| $327K | ﹤0.01% |
+29,900
| New | +$240K |
|
|
ABX
3749
PUT
Abacus Global Management
ABX
$913M
| $326K | ﹤0.01% |
+38,100
| New | +$251K |
|
3750
Direxion Daily 7-10 Year Treasury Bull 3X ETF
TYD
$32.1M
| $325K | ﹤0.01% |
+12,803
| New | +$334K |
|
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.