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 | |
|---|---|---|---|---|---|---|
3326
CALL
Par Pacific Holdings
PARR
$3.32B
| $633K | ﹤0.01% |
+18,000
| New | +$715K |
|
3327
FT Vest US Equity Enhance & Moderate Buffer ETF August
XAUG
$23.6M
| $633K | ﹤0.01% |
+16,896
| New | +$625K |
|
|
CMBT
3328
CMB.TECH NV
CMBT
$4.73B
| $631K | ﹤0.01% |
+65,386
| New | +$636K |
|
3329
PUT
SGHC Ltd
SGHC
$6.63B
| $630K | ﹤0.01% |
52,700
+33,700
| +177% | +$405K |
|
3330
Blackstone Mortgage Trust
BXMT
$2.38B
| $627K | ﹤0.01% |
+32,788
| New | +$622K |
|
|
NTSK
3331
CALL
Netskope Inc
NTSK
$6.01B
| $626K | ﹤0.01% |
+35,700
| New | +$745K |
|
|
GOOS
3332
Canada Goose Holdings
GOOS
$856M
| $626K | ﹤0.01% |
48,320
-8,299
| -15% | -$110K |
|
3333
CALL
QuidelOrtho
QDEL
$838M
| $625K | ﹤0.01% |
21,900
+700
| +3% | +$19K |
|
3334
Altimmune
ALT
$599M
| $625K | ﹤0.01% |
173,130
+57,770
| +50% | +$252K |
|
|
NB
3335
PUT
NioCorp Developments
NB
$780M
| $625K | ﹤0.01% |
117,900
+62,500
| +113% | +$430K |
|
3336
CALL
Teradata
TDC
$2.55B
| $624K | ﹤0.01% |
20,500
+3,000
| +17% | +$78.5K |
|
3337
Innodata
INOD
$2.04B
| $624K | ﹤0.01% |
12,246
-24,483
| -67% | -$1.6M |
|
3338
CALL
CorMedix
CRMD
$584M
| $622K | ﹤0.01% |
+53,500
| New | +$591K |
|
3339
PUT
Caleres
CAL
$487M
| $622K | ﹤0.01% |
51,100
+14,000
| +38% | +$172K |
|
3340
Triple Flag Precious Metals
TFPM
$6.72B
| $622K | ﹤0.01% |
+18,714
| New | +$585K |
|
3341
PUT
Liberty Global Class A
LBTYA
$3.6B
| $620K | ﹤0.01% |
55,700
+17,600
| +46% | +$195K |
|
|
VNET
3342
VNET Group
VNET
$2.09B
| $620K | ﹤0.01% |
73,311
+1,884
| +3% | +$17.5K |
|
3343
CALL
United States Brent Oil Fund
BNO
$727M
| $620K | ﹤0.01% |
21,900
+8,700
| +66% | +$251K |
|
3344
CALL
Winnebago Industries
WGO
$909M
| $620K | ﹤0.01% |
15,300
-26,000
| -63% | -$948K |
|
3345
ETRACS MarketVector Business Development Companies Liquid Index ETN due Apr 26 2041
BDCZ
$16.7M
| $619K | ﹤0.01% |
36,768
+60
| +0.2% | +$996 |
|
3346
PUT
ARK 21Shares Bitcoin ETF
ARKB
$2.48B
| $619K | ﹤0.01% |
+21,300
| New | +$708K |
|
3347
CALL
Sprott Junior Uranium Miners ETF
URNJ
$358M
| $617K | ﹤0.01% |
24,500
+11,200
| +84% | +$308K |
|
3348
PUT
NOV
NOV
$7B
| $617K | ﹤0.01% |
39,500
-26,200
| -40% | -$389K |
|
3349
Invesco DB US Dollar Index Bullish Fund
UUP
$413M
| $617K | ﹤0.01% |
+22,827
| New | +$637K |
|
3350
Viking Therapeutics
VKTX
$4B
| $616K | ﹤0.01% |
17,513
-2,598
| -13% | -$92.1K |
|
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.