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 |
Invesco QQQ Trust
QQQ
|
+$203M |
| 2 |
JD.com
JD
|
+$105M |
| 3 |
Boeing
BA
|
+$105M |
| 4 |
Applovin
APP
|
+$93.6M |
| 5 |
Netflix
NFLX
|
+$81.3M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Apple
AAPL
|
+$167M |
| 2 |
State Street Financial Select Sector SPDR ETF
XLF
|
+$146M |
| 3 |
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$135M |
| 4 |
Pinduoduo
PDD
|
+$128M |
| 5 |
Palantir
PLTR
|
+$108M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Consumer Discretionary | 0.39% |
| 2 | Technology | 0.33% |
| 3 | Communication Services | 0.22% |
| 4 | Industrials | 0.16% |
| 5 | Financials | 0.14% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
1701
GlobalFoundries
GFS
$29.6B
| $4.14M | ﹤0.01% |
+115,568
| New | +$4.12M |
|
|
OKLO
1702
Oklo
OKLO
$8.44B
| $4.14M | ﹤0.01% |
+37,086
| New | +$2.9M |
|
1703
PUT
XP
XP
$8.1B
| $4.14M | ﹤0.01% |
220,300
+72,100
| +49% | +$1.29M |
|
1704
PUT
Intuitive Machines
LUNR
$3.08B
| $4.14M | ﹤0.01% |
393,200
+100,000
| +34% | +$1.01M |
|
1705
PUT
Elastic
ESTC
$8.78B
| $4.13M | ﹤0.01% |
48,900
+1,200
| +3% | +$101K |
|
1706
CALL
TransUnion
TRU
$15.4B
| $4.12M | ﹤0.01% |
49,200
+37,700
| +328% | +$3.42M |
|
|
GAP
1707
The Gap Inc
GAP
$7.4B
| $4.12M | ﹤0.01% |
192,649
-285
| -0.1% | -$6.16K |
|
1708
CALL
STMicroelectronics
STM
$48.5B
| $4.12M | ﹤0.01% |
145,700
+8,600
| +6% | +$240K |
|
1709
PUT
Steel Dynamics
STLD
$37B
| $4.11M | ﹤0.01% |
29,500
-1,100
| -4% | -$144K |
|
1710
CALL
Comstock Resources
CRK
$4.12B
| $4.09M | ﹤0.01% |
206,500
+65,800
| +47% | +$1.22M |
|
1711
PUT
Celanese
CE
$4.98B
| $4.08M | ﹤0.01% |
96,900
+67,400
| +228% | +$3.35M |
|
1712
CALL
Sibanye-Stillwater
SBSW
$7.61B
| $4.07M | ﹤0.01% |
362,500
+154,200
| +74% | +$1.35M |
|
1713
Crocs
CROX
$6.3B
| $4.07M | ﹤0.01% |
48,721
+26,885
| +123% | +$2.45M |
|
1714
Hecla Mining
HL
$12.5B
| $4.06M | ﹤0.01% |
335,893
+15,373
| +5% | +$123K |
|
1715
CALL
Kyndryl
KD
$2.89B
| $4.06M | ﹤0.01% |
135,300
-21,000
| -13% | -$721K |
|
1716
CALL
Harley-Davidson
HOG
$2.91B
| $4.06M | ﹤0.01% |
145,400
-41,000
| -22% | -$1.1M |
|
1717
PUT
SSR Mining
SSRM
$6.6B
| $4.05M | ﹤0.01% |
165,700
+41,700
| +34% | +$706K |
|
1718
PUT
Boston Properties
BXP
$10.9B
| $4.04M | ﹤0.01% |
54,400
-1,700
| -3% | -$120K |
|
1719
PUT
Bank OZK
OZK
$5.72B
| $4.04M | ﹤0.01% |
79,300
+32,100
| +68% | +$1.64M |
|
|
DQ
1720
CALL
Daqo New Energy
DQ
$991M
| $4.04M | ﹤0.01% |
143,500
+58,500
| +69% | +$1.37M |
|
1721
Ormat Technologies
ORA
$7.09B
| $4.03M | ﹤0.01% |
41,907
+24,197
| +137% | +$2.18M |
|
1722
PUT
Ecolab
ECL
$77.5B
| $4.03M | ﹤0.01% |
+14,700
| New | +$3.99M |
|
1723
PUT
Urban Outfitters
URBN
$6.66B
| $4.01M | ﹤0.01% |
56,200
+5,500
| +11% | +$405K |
|
1724
Zoetis
ZTS
$30.7B
| $4M | ﹤0.01% |
27,309
-8,126
| -23% | -$1.23M |
|
1725
PUT
Ouster
OUST
$3.52B
| $4M | ﹤0.01% |
147,700
+66,300
| +81% | +$1.85M |
|
Similar funds
IMC Chicago's Q3 2025 Portfolio in Review
As of Q3 2025, IMC Chicago held 4,045 positions worth $275B, up 22% from $225B the previous quarter. Its ten largest holdings account for 38% of the portfolio.
IMC Chicago deployed $23.7B of net new capital in Q3 2025, opening 783 new positions and adding to 1,843 existing holdings. Its largest new stake was Netflix: 666,120 shares worth $79.9M.
By sector, the portfolio is most concentrated in Consumer Discretionary at 0.39% of assets, up from 0.25% a quarter earlier, followed by Technology and Communication Services.
On the sell side, the largest reduction was State Street SPDR Dow Jones Industrial Average ETF Trust, an estimated $135M trimmed.
- IMC Chicago's largest Q3 2025 buy was Netflix: 666,120 shares worth $79.9M.
- IMC Chicago added most to Invesco QQQ Trust in Q3 2025, an estimated $203M increase.
- IMC Chicago's biggest Q3 2025 reduction was State Street SPDR Dow Jones Industrial Average ETF Trust, cutting an estimated $135M.
- IMC Chicago fully exited Apple in Q3 2025, selling an estimated $167M.
- IMC Chicago's ten largest holdings make up 38% of its $275B portfolio in Q3 2025.
- IMC Chicago opened 783 new positions and closed 492 in Q3 2025.
- IMC Chicago's portfolio value rose 22% quarter-over-quarter to $275B.
Based on IMC Chicago's 13F filing for Q3 2025, filed 4 Nov 2025.