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 | |
|---|---|---|---|---|---|---|
4251
JPMorgan Equity Premium Income ETF
JEPI
$45.9B
| – | – |
-240,775
| Closed | -$13.7M |
|
|
K
4252
CALL
DELISTED
Kellanova
K
| – | – |
-42,700
| Closed | -$3.5M |
|
|
K
4253
PUT
DELISTED
Kellanova
K
| – | – |
-48,700
| Closed | -$3.99M |
|
4254
KeyCorp
KEY
$24.4B
| – | – |
-42,513
| Closed | -$791K |
|
4255
KKR & Co
KKR
$92.3B
| – | – |
-24,878
| Closed | -$3.09M |
|
4256
Coca-Cola
KO
$375B
| – | – |
-223,782
| Closed | -$15.6M |
|
4257
PUT
Kilroy Realty
KRC
$4.42B
| – | – |
-23,500
| Closed | -$993K |
|
4258
Kohl's
KSS
$2.19B
| – | – |
-52,196
| Closed | -$978K |
|
|
LAC
4259
Lithium Americas
LAC
$1.17B
| – | – |
-363,391
| Closed | -$2.1M |
|
4260
CALL
Lamar Advertising Co
LAMR
$16.3B
| – | – |
-12,200
| Closed | -$1.49M |
|
4261
Liberty Global Class A
LBTYA
$3.6B
| – | – |
-57,302
| Closed | -$634K |
|
4262
CALL
Lear
LEA
$8.18B
| – | – |
-24,100
| Closed | -$2.42M |
|
4263
CALL
LifeMD
LFMD
$172M
| – | – |
-63,400
| Closed | -$430K |
|
|
4264
LifeMD
LFMD
$172M
| – | – |
-45,736
| Closed | -$311K |
|
|
4265
PUT
LifeMD
LFMD
$172M
| – | – |
-32,600
| Closed | -$221K |
|
4266
CALL
Labcorp
LH
$25.9B
| – | – |
-10,300
| Closed | -$2.96M |
|
4267
Li Auto
LI
$12.7B
| – | – |
-457,192
| Closed | -$9.06M |
|
4268
PUT
Lennox International
LII
$15.2B
| – | – |
-13,200
| Closed | -$6.99M |
|
4269
Linde
LIN
$226B
| – | – |
-17,966
| Closed | -$7.7M |
|
4270
Cheniere Energy
LNG
$52.9B
| – | – |
-15,699
| Closed | -$3.3M |
|
|
LNW
4271
CALL
DELISTED
Light & Wonder
LNW
| – | – |
-15,800
| Closed | -$1.33M |
|
4272
Logitech
LOGI
$15.2B
| – | – |
-10,779
| Closed | -$1.21M |
|
4273
Lowe's Companies
LOW
$125B
| – | – |
-52,523
| Closed | -$12.6M |
|
4274
PUT
LPL Financial
LPLA
$28.6B
| – | – |
-12,600
| Closed | -$4.19M |
|
4275
PUT
Dorian LPG
LPG
$1.96B
| – | – |
-19,500
| Closed | -$581K |
|
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.