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 | |
|---|---|---|---|---|---|---|
3476
PUT
Vodafone
VOD
$37.4B
| $502K | ﹤0.01% |
38,000
-30,700
| -45% | -$371K |
|
3477
PUT
Bausch Health
BHC
$2.34B
| $502K | ﹤0.01% |
72,200
+14,200
| +24% | +$93.4K |
|
3478
Dentsply Sirona
XRAY
$2.43B
| $501K | ﹤0.01% |
43,841
+19,270
| +78% | +$226K |
|
3479
Innovative Industrial Properties
IIPR
$1.72B
| $501K | ﹤0.01% |
+10,572
| New | +$547K |
|
|
SAIL
3480
CALL
SailPoint Inc
SAIL
$10.6B
| $500K | ﹤0.01% |
+24,700
| New | +$515K |
|
3481
Legend Biotech
LEGN
$4.01B
| $499K | ﹤0.01% |
+22,945
| New | +$657K |
|
|
CRON
3482
Cronos Group
CRON
$1.14B
| $498K | ﹤0.01% |
189,229
-77,594
| -29% | -$201K |
|
3483
CALL
Amplify Energy
AMPY
$166M
| $497K | ﹤0.01% |
+108,800
| New | +$541K |
|
3484
CALL
Healthpeak Properties
DOC
$14.8B
| $497K | ﹤0.01% |
30,900
-61,800
| -67% | -$1.09M |
|
3485
CALL
Microvast
MVST
$302M
| $496K | ﹤0.01% |
177,200
+5,000
| +3% | +$20.9K |
|
3486
PUT
Delek US
DK
$3.58B
| $495K | ﹤0.01% |
16,700
-6,700
| -29% | -$239K |
|
3487
PUT
Energizer
ENR
$1.55B
| $495K | ﹤0.01% |
+24,900
| New | +$543K |
|
|
SW
3488
CALL
Smurfit Westrock
SW
$25.3B
| $495K | ﹤0.01% |
12,800
-5,400
| -30% | -$206K |
|
3489
Ericsson
ERIC
$33.3B
| $495K | ﹤0.01% |
+51,256
| New | +$485K |
|
3490
CALL
Pacific Biosciences
PACB
$370M
| $494K | ﹤0.01% |
+264,100
| New | +$507K |
|
|
SVM
3491
CALL
Silvercorp Metals
SVM
$2.53B
| $494K | ﹤0.01% |
59,200
-25,300
| -30% | -$184K |
|
3492
Rexford Industrial Realty
REXR
$8.19B
| $493K | ﹤0.01% |
+12,732
| New | +$525K |
|
3493
PUT
Alliance Resource Partners
ARLP
$3.17B
| $492K | ﹤0.01% |
21,200
+4,900
| +30% | +$119K |
|
3494
CALL
DXC Technology
DXC
$1.73B
| $492K | ﹤0.01% |
+33,600
| New | +$462K |
|
3495
PUT
Domo
DOMO
$184M
| $491K | ﹤0.01% |
58,300
+33,500
| +135% | +$394K |
|
|
VOYG
3496
Voyager Technologies
VOYG
$2.54B
| $491K | ﹤0.01% |
+18,786
| New | +$510K |
|
3497
PUT
Direxion Daily S&P Biotech Bear 3X ETF
LABD
$39.8M
| $491K | ﹤0.01% |
+23,300
| New | +$632K |
|
|
WYFI
3498
PUT
WhiteFiber Inc
WYFI
$951M
| $490K | ﹤0.01% |
+31,000
| New | +$766K |
|
3499
CALL
LGI Homes
LGIH
$1.4B
| $490K | ﹤0.01% |
+11,400
| New | +$535K |
|
3500
PUT
MoonLake Immunotherapeutics
MLTX
$1.55B
| $488K | ﹤0.01% |
+37,000
| New | +$437K |
|
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.