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 | |
|---|---|---|---|---|---|---|
1801
CALL
Regal Rexnord
RRX
$11.5B
| $4.53M | ﹤0.01% |
+32,300
| New | +$4.6M |
|
1802
PUT
Cenovus Energy
CVE
$54.5B
| $4.51M | ﹤0.01% |
266,700
-123,700
| -32% | -$2.15M |
|
|
SEI
1803
CALL
Solaris Energy Infrastructure
SEI
$3.86B
| $4.51M | ﹤0.01% |
98,000
+62,400
| +175% | +$3.02M |
|
1804
PUT
Sysco
SYY
$40.1B
| $4.5M | ﹤0.01% |
61,000
+10,400
| +21% | +$791K |
|
1805
PUT
Fox Class A
FOXA
$26.6B
| $4.49M | ﹤0.01% |
61,500
+41,000
| +200% | +$2.68M |
|
1806
PUT
M&T Bank
MTB
$36.3B
| $4.49M | ﹤0.01% |
22,300
+3,300
| +17% | +$630K |
|
1807
CALL
Plains GP Holdings
PAGP
$4.98B
| $4.49M | ﹤0.01% |
234,700
+128,900
| +122% | +$2.32M |
|
1808
PUT
Lumen
LUMN
$6.85B
| $4.49M | ﹤0.01% |
578,000
-70,100
| -11% | -$577K |
|
1809
PUT
Copart
CPRT
$27.4B
| $4.49M | ﹤0.01% |
114,600
-27,300
| -19% | -$1.13M |
|
1810
PUT
MSC Industrial Direct
MSM
$6.87B
| $4.48M | ﹤0.01% |
+53,300
| New | +$4.62M |
|
1811
Intuitive Machines
LUNR
$2.53B
| $4.47M | ﹤0.01% |
275,693
+108,500
| +65% | +$1.26M |
|
1812
CALL
Annaly Capital Management
NLY
$17.3B
| $4.47M | ﹤0.01% |
200,100
+24,800
| +14% | +$540K |
|
1813
CALL
ASP Isotopes
ASPI
$540M
| $4.47M | ﹤0.01% |
+836,100
| New | +$6.65M |
|
1814
Lemonade
LMND
$4.08B
| $4.47M | ﹤0.01% |
62,837
+28,264
| +82% | +$1.9M |
|
1815
CALL
Plug Power
PLUG
$2.94B
| $4.47M | ﹤0.01% |
2,267,100
+281,200
| +14% | +$734K |
|
1816
Quanta Services
PWR
$99.4B
| $4.46M | ﹤0.01% |
+10,572
| New | +$4.65M |
|
1817
PUT
PPG Industries
PPG
$25.7B
| $4.46M | ﹤0.01% |
43,500
-2,100
| -5% | -$211K |
|
1818
PUT
Repligen
RGEN
$9.21B
| $4.46M | ﹤0.01% |
27,200
+16,700
| +159% | +$2.62M |
|
1819
PUT
Bank OZK
OZK
$5.63B
| $4.45M | ﹤0.01% |
96,800
+17,500
| +22% | +$819K |
|
1820
PUT
Vulcan Materials
VMC
$37B
| $4.45M | ﹤0.01% |
15,600
-23,400
| -60% | -$6.86M |
|
1821
PUT
Urban Outfitters
URBN
$6.81B
| $4.43M | ﹤0.01% |
58,900
+2,700
| +5% | +$191K |
|
1822
CALL
Globant
GLOB
$1.66B
| $4.43M | ﹤0.01% |
67,800
+28,200
| +71% | +$1.77M |
|
1823
CALL
iShares MSCI USA Momentum Factor ETF
MTUM
$25.4B
| $4.43M | ﹤0.01% |
17,700
-600
| -3% | -$151K |
|
1824
Invesco
IVZ
$14B
| $4.42M | ﹤0.01% |
168,274
+135,067
| +407% | +$3.3M |
|
1825
Hycroft Mining Holding Corp
HYMC
$2.54B
| $4.41M | ﹤0.01% |
+185,535
| New | +$2.05M |
|
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.