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 | |
|---|---|---|---|---|---|---|
3676
ProShares UltraShort Gold
GLL
$105M
| $370K | ﹤0.01% |
+14,143
| New | +$402K |
|
3677
CALL
AbCellera Biologics
ABCL
$2.12B
| $369K | ﹤0.01% |
108,000
+63,800
| +144% | +$285K |
|
3678
PureCycle Technologies
PCT
$1.45B
| $369K | ﹤0.01% |
42,948
+26,576
| +162% | +$282K |
|
3679
CALL
Babcock & Wilcox
BW
$1.39B
| $368K | ﹤0.01% |
+58,100
| New | +$287K |
|
|
APLS
3680
PUT
DELISTED
Apellis Pharmaceuticals
APLS
| $367K | ﹤0.01% |
14,600
-4,300
| -23% | -$101K |
|
|
TMQ
3681
PUT
Trilogy Metals
TMQ
$656M
| $366K | ﹤0.01% |
+84,900
| New | +$400K |
|
|
BKV
3682
BKV Corp
BKV
$2.68B
| $365K | ﹤0.01% |
+13,458
| New | +$338K |
|
3683
PUT
Gogo Inc
GOGO
$492M
| $365K | ﹤0.01% |
78,400
-42,200
| -35% | -$309K |
|
3684
CALL
Star Bulk Carriers
SBLK
$3.22B
| $365K | ﹤0.01% |
19,000
-46,300
| -71% | -$864K |
|
3685
CALL
Target Hospitality
TH
$1.64B
| $364K | ﹤0.01% |
45,500
-13,100
| -22% | -$99.4K |
|
3686
CALL
Payoneer
PAYO
$2.41B
| $364K | ﹤0.01% |
+64,800
| New | +$375K |
|
|
CNH
3687
PUT
CNH Industrial
CNH
$17.5B
| $363K | ﹤0.01% |
39,400
+5,100
| +15% | +$50.9K |
|
3688
Coty
COTY
$2.48B
| $363K | ﹤0.01% |
117,762
-44,605
| -27% | -$162K |
|
3689
PUT
BRC Group Holdings
RILY
$289M
| $361K | ﹤0.01% |
77,300
-22,600
| -23% | -$112K |
|
3690
ProShares UltraShort Bloomberg Crude Oil
SCO
$671M
| $361K | ﹤0.01% |
4,598
-35,644
| -89% | -$2.68M |
|
3691
CALL
Fortrea Holdings
FTRE
$1.75B
| $361K | ﹤0.01% |
20,900
-19,400
| -48% | -$240K |
|
3692
PUT
Kosmos Energy
KOS
$1.48B
| $360K | ﹤0.01% |
396,600
-225,400
| -36% | -$297K |
|
3693
Option Care Health
OPCH
$3.56B
| $359K | ﹤0.01% |
11,272
+179
| +2% | +$5.25K |
|
3694
iQIYI
IQ
$1.28B
| $359K | ﹤0.01% |
+186,998
| New | +$400K |
|
3695
CALL
Porch Group
PRCH
$1.8B
| $359K | ﹤0.01% |
39,300
+14,600
| +59% | +$176K |
|
3696
Arvinas
ARVN
$572M
| $358K | ﹤0.01% |
+30,219
| New | +$330K |
|
3697
CALL
Cooper-Standard Automotive
CPS
$558M
| $358K | ﹤0.01% |
10,900
-6,600
| -38% | -$215K |
|
3698
PUT
LegalZoom.com
LZ
$988M
| $357K | ﹤0.01% |
36,000
+8,300
| +30% | +$82.3K |
|
3699
Barclays
BCS
$94.1B
| $357K | ﹤0.01% |
+14,045
| New | +$311K |
|
|
CAI
3700
PUT
Caris Life Sciences
CAI
$6.43B
| $356K | ﹤0.01% |
+13,200
| New | +$372K |
|
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.