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 | |
|---|---|---|---|---|---|---|
751
CALL
iPath Series B S&P 500 VIX Short-Term Futures ETN
VXX
$147M
| $25M | 0.01% |
942,800
+294,400
| +45% | +$9.63M |
|
|
TYNS
752
PUT
DELISTED
Direxion Daily 7-10 Year Treasury Bear 1X Shares
TYNS
| $24.9M | 0.01% |
148,200
+13,300
| +10% | +$2.24M |
|
753
CALL
Hecla Mining
HL
$11.3B
| $24.9M | 0.01% |
1,299,900
+574,500
| +79% | +$8.78M |
|
|
NBIS
754
Nebius Group N.V.
NBIS
$47.7B
| $24.9M | 0.01% |
297,953
+163,441
| +122% | +$16.9M |
|
755
PUT
Pinterest
PINS
$13.4B
| $24.9M | 0.01% |
960,600
-218,400
| -19% | -$6.29M |
|
756
PUT
Brinker International
EAT
$9.66B
| $24.7M | 0.01% |
172,300
+84,600
| +96% | +$11.1M |
|
757
CALL
Automatic Data Processing
ADP
$108B
| $24.7M | 0.01% |
95,900
-25,800
| -21% | -$6.87M |
|
758
CALL
DexCom
DXCM
$32B
| $24.5M | 0.01% |
368,600
+102,900
| +39% | +$6.65M |
|
759
PUT
AngloGold Ashanti
AU
$48.7B
| $24.4M | 0.01% |
286,500
+92,400
| +48% | +$7.21M |
|
|
ETHA
760
iShares Ethereum Trust ETF
ETHA
$5.55B
| $24.3M | 0.01% |
+1,081,343
| New | +$28.3M |
|
761
Ascendis Pharma A/S
ASND
$16.8B
| $24.2M | 0.01% |
+113,682
| New | +$23.5M |
|
762
CALL
Grayscale Bitcoin Trust
GBTC
$9.76B
| $24.1M | 0.01% |
+352,800
| New | +$27.7M |
|
763
PUT
Lemonade
LMND
$4.1B
| $24M | 0.01% |
337,600
+60,300
| +22% | +$4.05M |
|
764
lululemon athletica
LULU
$14.6B
| $24M | 0.01% |
115,539
-277,419
| -71% | -$50.3M |
|
765
First Majestic Silver
AG
$9.07B
| $24M | 0.01% |
1,439,550
+805,119
| +127% | +$11.2M |
|
766
PUT
Halliburton
HAL
$26.6B
| $24M | 0.01% |
847,900
-379,300
| -31% | -$10M |
|
767
PUT
Jabil
JBL
$35.8B
| $23.9M | 0.01% |
104,800
+1,000
| +1% | +$213K |
|
768
Vanguard Russell 2000 ETF
VTWO
$17.9B
| $23.8M | 0.01% |
+239,506
| New | +$23.8M |
|
769
PUT
Wingstop
WING
$3.18B
| $23.8M | 0.01% |
99,700
+100
| +0.1% | +$24.8K |
|
770
Alphabet (Google) Class A
GOOGL
$4.33T
| $23.6M | 0.01% |
75,542
-192,339
| -72% | -$55M |
|
771
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
$46.5B
| $23.6M | 0.01% |
49,127
-57,174
| -54% | -$27M |
|
772
CALL
Autodesk
ADSK
$52.6B
| $23.6M | 0.01% |
79,700
-13,000
| -14% | -$3.93M |
|
|
TIGR
773
CALL
UP Fintech Holding
TIGR
$860M
| $23.4M | 0.01% |
2,450,000
-136,500
| -5% | -$1.3M |
|
774
CALL
monday.com
MNDY
$3.94B
| $23.4M | 0.01% |
158,400
+49,100
| +45% | +$8.27M |
|
775
CALL
American Electric Power
AEP
$68.4B
| $23.3M | 0.01% |
202,300
+52,800
| +35% | +$6.24M |
|
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.