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 | |
|---|---|---|---|---|---|---|
|
RPT
3926
PUT
Rithm Property Trust
RPT
$93.7M
| $240K | ﹤0.01% |
+14,500
| New | +$223K |
|
3927
PUT
Compass Diversified
CODI
$828M
| $240K | ﹤0.01% |
+49,900
| New | +$315K |
|
|
EU
3928
PUT
enCore Energy
EU
$243M
| $239K | ﹤0.01% |
96,200
+33,100
| +52% | +$94.6K |
|
3929
CALL
Woodside Energy
WDS
$42.6B
| $239K | ﹤0.01% |
+15,300
| New | +$243K |
|
3930
PUT
Prospect Capital
PSEC
$1.17B
| $238K | ﹤0.01% |
92,000
-541,200
| -85% | -$1.45M |
|
3931
PUT
American Resources Corp
AREC
$293M
| $238K | ﹤0.01% |
+96,000
| New | +$320K |
|
3932
PUT
Cemex
CX
$16.3B
| $238K | ﹤0.01% |
20,700
-7,800
| -27% | -$80.7K |
|
3933
CALL
Flotek Industries
FTK
$1.28B
| $238K | ﹤0.01% |
+13,800
| New | +$219K |
|
3934
PUT
Coursera
COUR
$1.54B
| $238K | ﹤0.01% |
32,300
-5,000
| -13% | -$43.5K |
|
|
XOVR
3935
CALL
EntrepreneurShares Series Trust ERShares Private-Public Crossover ETF
XOVR
$1.87B
| $238K | ﹤0.01% |
+11,800
| New | +$242K |
|
|
AEVA
3936
Aeva Technologies
AEVA
$1.86B
| $237K | ﹤0.01% |
17,837
-16,387
| -48% | -$233K |
|
|
DFDV
3937
CALL
DeFi Development Corp
DFDV
$87M
| $237K | ﹤0.01% |
+46,900
| New | +$430K |
|
3938
CALL
Vaalco Energy
EGY
$594M
| $237K | ﹤0.01% |
+65,000
| New | +$241K |
|
|
SUPV
3939
PUT
Grupo Supervielle
SUPV
$753M
| $236K | ﹤0.01% |
+20,000
| New | +$196K |
|
3940
Energizer
ENR
$1.55B
| $236K | ﹤0.01% |
+11,870
| New | +$259K |
|
|
TSSI
3941
TSS Inc
TSSI
$316M
| $235K | ﹤0.01% |
+33,293
| New | +$430K |
|
3942
CALL
Verra Mobility
VRRM
$744M
| $235K | ﹤0.01% |
+10,500
| New | +$240K |
|
3943
CALL
Editas Medicine
EDIT
$442M
| $234K | ﹤0.01% |
114,300
-12,000
| -10% | -$34.6K |
|
3944
CALL
Arqit Quantum
ARQQ
$399M
| $234K | ﹤0.01% |
+10,700
| New | +$370K |
|
|
NAVN
3945
PUT
Navan Inc
NAVN
$7.4B
| $234K | ﹤0.01% |
+13,700
| New | +$218K |
|
3946
PUT
Solid Power
SLDP
$532M
| $233K | ﹤0.01% |
+54,900
| New | +$303K |
|
3947
SSR Mining
SSRM
$6.48B
| $233K | ﹤0.01% |
10,633
-32,302
| -75% | -$719K |
|
3948
PUT
Hyliion Holdings
HYLN
$690M
| $232K | ﹤0.01% |
126,000
+400
| +0.3% | +$806 |
|
3949
CALL
Inter&Co
INTR
$2.33B
| $232K | ﹤0.01% |
+27,300
| New | +$241K |
|
3950
DXC Technology
DXC
$1.73B
| $231K | ﹤0.01% |
15,793
-10,483
| -40% | -$144K |
|
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.