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 | |
|---|---|---|---|---|---|---|
1651
L3Harris
LHX
$54B
| $5.65M | ﹤0.01% |
+19,239
| New | +$5.56M |
|
1652
State Street SPDR S&P Regional Banking ETF
KRE
$4.56B
| $5.64M | ﹤0.01% |
87,006
-23,872
| -22% | -$1.5M |
|
1653
CALL
OneMain Financial
OMF
$7.27B
| $5.63M | ﹤0.01% |
83,300
| – | – |
|
1654
Pinterest
PINS
$13.8B
| $5.6M | ﹤0.01% |
216,393
-17,424
| -7% | -$502K |
|
1655
SoundHound AI
SOUN
$3.25B
| $5.6M | ﹤0.01% |
561,906
-1,093,835
| -66% | -$15.7M |
|
1656
CALL
GXO Logistics
GXO
$5.4B
| $5.57M | ﹤0.01% |
105,800
+49,400
| +88% | +$2.6M |
|
1657
PUT
Dominion Energy
D
$59.1B
| $5.57M | ﹤0.01% |
95,000
+22,600
| +31% | +$1.36M |
|
1658
PUT
Innodata
INOD
$2.03B
| $5.54M | ﹤0.01% |
108,700
-22,200
| -17% | -$1.45M |
|
1659
PUT
Hycroft Mining Holding Corp
HYMC
$2.54B
| $5.53M | ﹤0.01% |
+232,600
| New | +$2.57M |
|
1660
CALL
Entegris
ENTG
$22B
| $5.53M | ﹤0.01% |
65,600
-10,100
| -13% | -$877K |
|
1661
CALL
Booz Allen Hamilton
BAH
$9.37B
| $5.53M | ﹤0.01% |
65,500
+22,900
| +54% | +$2.05M |
|
1662
PUT
Planet Labs
PL
$8.23B
| $5.52M | ﹤0.01% |
279,700
+144,600
| +107% | +$2.07M |
|
1663
CALL
Bitwise Bitcoin ETF
BITB
$2.45B
| $5.5M | ﹤0.01% |
+115,600
| New | +$6.29M |
|
1664
PUT
Peloton Interactive
PTON
$2.42B
| $5.49M | ﹤0.01% |
891,900
-285,000
| -24% | -$2.01M |
|
1665
Abercrombie & Fitch
ANF
$5.27B
| $5.48M | ﹤0.01% |
43,529
+11,405
| +36% | +$997K |
|
1666
CALL
LPL Financial
LPLA
$29.3B
| $5.46M | ﹤0.01% |
15,300
+4,200
| +38% | +$1.49M |
|
1667
PUT
Asana
ASAN
$2.13B
| $5.46M | ﹤0.01% |
398,500
-5,500
| -1% | -$75.6K |
|
1668
PUT
Viasat
VSAT
$11.7B
| $5.46M | ﹤0.01% |
158,500
+93,100
| +142% | +$3.29M |
|
1669
CALL
Norfolk Southern
NSC
$75B
| $5.46M | ﹤0.01% |
18,900
-11,700
| -38% | -$3.38M |
|
|
NVO
1670
Novo Nordisk
NVO
$209B
| $5.46M | ﹤0.01% |
107,215
-175,955
| -62% | -$9M |
|
1671
CALL
Vanguard Morningstar Mega Cap Growth ETF
MGK
$33.8B
| $5.45M | ﹤0.01% |
66,000
+6,500
| +11% | +$534K |
|
1672
CALL
Stride
LRN
$3.33B
| $5.45M | ﹤0.01% |
83,900
+11,200
| +15% | +$1.02M |
|
1673
CALL
Modine Manufacturing
MOD
$10.1B
| $5.45M | ﹤0.01% |
40,800
+13,000
| +47% | +$1.94M |
|
1674
CALL
Elastic
ESTC
$7.93B
| $5.45M | ﹤0.01% |
72,200
-600
| -0.8% | -$49K |
|
1675
PUT
Bunge Global
BG
$21.6B
| $5.43M | ﹤0.01% |
61,000
-28,800
| -32% | -$2.66M |
|
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.