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 | |
|---|---|---|---|---|---|---|
3651
PUT
GrafTech
EAF
$212M
| $380K | ﹤0.01% |
+24,500
| New | +$373K |
|
3652
CALL
TORM
TRMD
$3.02B
| $380K | ﹤0.01% |
19,400
+6,600
| +52% | +$139K |
|
|
HIMX
3653
Himax Technologies
HIMX
$2.55B
| $380K | ﹤0.01% |
46,356
+365
| +0.8% | +$3.09K |
|
3654
PUT
Criteo S.A. Ordinary Shares
CRTO
$923M
| $379K | ﹤0.01% |
+18,400
| New | +$381K |
|
3655
CALL
Philips
PHG
$26.1B
| $379K | ﹤0.01% |
+14,520
| New | +$387K |
|
3656
Qfin Holdings
QFIN
$1.61B
| $378K | ﹤0.01% |
19,640
-18,027
| -48% | -$405K |
|
3657
PUT
B&G Foods
BGS
$286M
| $378K | ﹤0.01% |
87,900
-26,900
| -23% | -$120K |
|
3658
CALL
GoPro
GPRO
$126M
| $378K | ﹤0.01% |
267,800
-184,900
| -41% | -$336K |
|
|
FLG
3659
Flagstar Bank National Association
FLG
$5.82B
| $377K | ﹤0.01% |
29,936
-50,817
| -63% | -$607K |
|
|
NSLR
3660
PUT
Neostellar Capital Corp
NSLR
$254M
| $377K | ﹤0.01% |
+39,900
| New | +$376K |
|
3661
CALL
Intellia Therapeutics
NTLA
$1.67B
| $376K | ﹤0.01% |
+41,800
| New | +$575K |
|
3662
CALL
Palladyne AI
PDYN
$296M
| $375K | ﹤0.01% |
+88,100
| New | +$593K |
|
3663
PUT
iShares Convertible Bond ETF
ICVT
$7.46B
| $375K | ﹤0.01% |
16,900
-8,100
| -32% | -$814K |
|
3664
PUT
ManpowerGroup
MAN
$2.63B
| $375K | ﹤0.01% |
+12,600
| New | +$394K |
|
3665
PUT
RCI Hospitality Holdings
RICK
$215M
| $374K | ﹤0.01% |
15,700
-4,200
| -21% | -$108K |
|
3666
CALL
Takeda Pharmaceutical
TAK
$55.7B
| $374K | ﹤0.01% |
+24,000
| New | +$343K |
|
3667
CALL
MBIA
MBI
$260M
| $374K | ﹤0.01% |
52,200
-62,300
| -54% | -$450K |
|
3668
CALL
Indivior Pharmaceuticals
INDV
$4.58B
| $373K | ﹤0.01% |
10,400
-42,100
| -80% | -$1.29M |
|
3669
Gogo Inc
GOGO
$492M
| $373K | ﹤0.01% |
79,999
+41,620
| +108% | +$305K |
|
3670
CALL
Progyny
PGNY
$2.2B
| $372K | ﹤0.01% |
+14,500
| New | +$333K |
|
3671
PUT
Brookfield Renewable
BEP
$9.96B
| $372K | ﹤0.01% |
+13,800
| New | +$392K |
|
3672
CALL
Quantum-Si Incorporated
QSI
$177M
| $371K | ﹤0.01% |
337,500
-14,300
| -4% | -$23.3K |
|
3673
New Fortress Energy
NFE
$101M
| $370K | ﹤0.01% |
324,993
+147,398
| +83% | +$217K |
|
3674
PUT
Ocular Therapeutix
OCUL
$2.02B
| $370K | ﹤0.01% |
+30,500
| New | +$370K |
|
3675
Sensata Technologies
ST
$6.79B
| $370K | ﹤0.01% |
+11,114
| New | +$355K |
|
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.