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 | |
|---|---|---|---|---|---|---|
3451
PUT
American Battery Technology Co
ABAT
$356M
| $518K | ﹤0.01% |
+155,100
| New | +$726K |
|
3452
CALL
United Microelectronic
UMC
$46.9B
| $518K | ﹤0.01% |
65,900
+26,800
| +69% | +$203K |
|
3453
PUT
Telephone and Data Systems
TDS
$3.75B
| $517K | ﹤0.01% |
12,600
-1,300
| -9% | -$50.6K |
|
3454
CALL
Sonoco
SON
$5.74B
| $515K | ﹤0.01% |
+11,800
| New | +$489K |
|
3455
PUT
Beazer Homes USA
BZH
$907M
| $515K | ﹤0.01% |
25,400
+6,500
| +34% | +$145K |
|
3456
CALL
ProShares UltraShort Industrials
SIJ
$5.56M
| $514K | ﹤0.01% |
+15,700
| New | +$366K |
|
|
FINV
3457
FinVolution Group
FINV
$1.15B
| $514K | ﹤0.01% |
98,238
-19,586
| -17% | -$115K |
|
|
DCH
3458
Dauch Corp
DCH
$1.51B
| $513K | ﹤0.01% |
+80,089
| New | +$498K |
|
3459
CALL
Lightpath Technologies
LPTH
$820M
| $513K | ﹤0.01% |
+47,500
| New | +$385K |
|
3460
CALL
NeoGenomics
NEO
$2.13B
| $513K | ﹤0.01% |
+43,600
| New | +$470K |
|
3461
CALL
APi Group
APG
$18B
| $513K | ﹤0.01% |
+13,400
| New | +$495K |
|
3462
Frontline
FRO
$8.85B
| $512K | ﹤0.01% |
23,468
+1,212
| +5% | +$28.3K |
|
3463
PUT
PAR Technology
PAR
$735M
| $512K | ﹤0.01% |
+14,100
| New | +$509K |
|
3464
PUT
Schrodinger
SDGR
$1.36B
| $508K | ﹤0.01% |
28,400
+7,100
| +33% | +$135K |
|
|
NTSK
3465
Netskope Inc
NTSK
$6.01B
| $507K | ﹤0.01% |
+28,933
| New | +$604K |
|
3466
CALL
Criteo S.A. Ordinary Shares
CRTO
$923M
| $507K | ﹤0.01% |
24,600
-1,100
| -4% | -$22.8K |
|
3467
PUT
Goldman Sachs Physical Gold ETF Shares
AAAU
$2.64B
| $506K | ﹤0.01% |
+11,900
| New | +$488K |
|
3468
Global E Online
GLBE
$7.11B
| $505K | ﹤0.01% |
12,857
-19,562
| -60% | -$726K |
|
|
TMQ
3469
CALL
Trilogy Metals
TMQ
$656M
| $505K | ﹤0.01% |
+117,200
| New | +$552K |
|
|
SRG
3470
CALL
Seritage Growth Properties
SRG
$136M
| $505K | ﹤0.01% |
155,300
-6,100
| -4% | -$23.1K |
|
3471
Energy Fuels
UUUU
$3.53B
| $504K | ﹤0.01% |
34,689
-121,698
| -78% | -$2.07M |
|
3472
PUT
Nektar Therapeutics
NKTR
$2.58B
| $503K | ﹤0.01% |
+11,900
| New | +$666K |
|
3473
CALL
Odyssey Marine Exploration
OMEX
$51.8M
| $503K | ﹤0.01% |
+256,700
| New | +$594K |
|
3474
PUT
OR Royalties Inc
OR
$6.2B
| $503K | ﹤0.01% |
+14,200
| New | +$498K |
|
3475
CALL
Genesis Energy
GEL
$1.84B
| $502K | ﹤0.01% |
32,200
-3,700
| -10% | -$58.1K |
|
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.