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 | |
|---|---|---|---|---|---|---|
3026
FT Vest US Equity Deep Buffer ETF December
DDEC
$435M
| $935K | ﹤0.01% |
+20,731
| New | +$918K |
|
3027
CALL
Intapp
INTA
$2.99B
| $935K | ﹤0.01% |
20,400
+2,000
| +11% | +$83K |
|
3028
CALL
Gaming and Leisure Properties
GLPI
$12.5B
| $934K | ﹤0.01% |
20,900
+7,400
| +55% | +$328K |
|
3029
PUT
Parsons
PSN
$4.93B
| $933K | ﹤0.01% |
+15,100
| New | +$1.18M |
|
3030
Sarepta Therapeutics
SRPT
$1.81B
| $932K | ﹤0.01% |
43,292
+17,214
| +66% | +$363K |
|
3031
CALL
Voya Financial
VOYA
$9.09B
| $931K | ﹤0.01% |
12,500
+1,600
| +15% | +$117K |
|
3032
PUT
Altimmune
ALT
$593M
| $929K | ﹤0.01% |
257,400
+16,700
| +7% | +$72.8K |
|
3033
PUT
Marriott Vacations Worldwide
VAC
$3.89B
| $929K | ﹤0.01% |
16,100
+5,800
| +56% | +$343K |
|
3034
FT Vest US Equity Buffer ETF November
FNOV
$1.24B
| $928K | ﹤0.01% |
16,933
-7,025
| -29% | -$378K |
|
3035
PUT
BorgWarner
BWA
$14.1B
| $928K | ﹤0.01% |
20,600
-3,500
| -15% | -$153K |
|
3036
CALL
Brookfield Renewable
BEPC
$6.17B
| $928K | ﹤0.01% |
+24,200
| New | +$974K |
|
3037
CALL
MINISO
MNSO
$3.74B
| $926K | ﹤0.01% |
49,400
+10,900
| +28% | +$226K |
|
3038
CALL
Performance Food Group
PFGC
$17.9B
| $926K | ﹤0.01% |
+10,300
| New | +$995K |
|
3039
Healthpeak Properties
DOC
$14.4B
| $926K | ﹤0.01% |
+57,591
| New | +$1.02M |
|
|
IMSR
3040
CALL
Terrestrial Energy
IMSR
$577M
| $924K | ﹤0.01% |
+151,300
| New | +$2.02M |
|
3041
Omnicom Group
OMC
$23.2B
| $924K | ﹤0.01% |
+11,447
| New | +$875K |
|
3042
PUT
Beyond Meat
BYND
$268M
| $923K | ﹤0.01% |
1,125,000
+811,400
| +259% | +$1.13M |
|
|
ETOR
3043
eToro Group
ETOR
$2.7B
| $921K | ﹤0.01% |
+26,225
| New | +$1.01M |
|
3044
Olin
OLN
$2.15B
| $921K | ﹤0.01% |
+44,202
| New | +$953K |
|
3045
CALL
Alliance Resource Partners
ARLP
$3.19B
| $920K | ﹤0.01% |
39,600
-34,100
| -46% | -$827K |
|
3046
PUT
Rapid7
RPD
$776M
| $920K | ﹤0.01% |
60,500
-50,100
| -45% | -$824K |
|
|
TUZ
3047
PUT
DELISTED
PIMCO 1-3 Year U.S. Treasury Index Exchange-Traded Fund
TUZ
| $919K | ﹤0.01% |
14,300
-500
| -3% | -$32.1K |
|
3048
CALL
The RealReal
REAL
$1.45B
| $918K | ﹤0.01% |
58,200
-9,000
| -13% | -$118K |
|
3049
CALL
Critical Metals Corp
CRML
$1.02B
| $914K | ﹤0.01% |
+131,700
| New | +$1.44M |
|
3050
PUT
Vanguard Total International Stock ETF
VXUS
$162B
| $913K | ﹤0.01% |
+12,100
| New | +$903K |
|
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.