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 | |
|---|---|---|---|---|---|---|
|
K
1726
PUT
DELISTED
Kellanova
K
| $3.99M | ﹤0.01% |
48,700
-1,500
| -3% | -$119K |
|
1727
PUT
Boyd Gaming
BYD
$6.11B
| $3.99M | ﹤0.01% |
46,200
+29,600
| +178% | +$2.49M |
|
1728
Autodesk
ADSK
$53.3B
| $3.99M | ﹤0.01% |
+12,572
| New | +$3.83M |
|
1729
PUT
Under Armour
UAA
$2.29B
| $3.99M | ﹤0.01% |
800,300
+233,800
| +41% | +$1.36M |
|
|
MRSH
1730
CALL
Marsh
MRSH
$90B
| $3.99M | ﹤0.01% |
19,800
+4,100
| +26% | +$843K |
|
1731
CALL
IQVIA
IQV
$39.1B
| $3.99M | ﹤0.01% |
21,000
-16,900
| -45% | -$3.07M |
|
1732
PUT
Canadian Pacific Kansas City
CP
$82.8B
| $3.99M | ﹤0.01% |
53,500
+24,600
| +85% | +$1.88M |
|
1733
PUT
Galicia Financial Group
GGAL
$7.05B
| $3.98M | ﹤0.01% |
144,400
+116,400
| +416% | +$5M |
|
1734
CALL
Urban Outfitters
URBN
$6.66B
| $3.98M | ﹤0.01% |
55,700
+20,000
| +56% | +$1.47M |
|
1735
CALL
Equinox Gold
EQX
$13.5B
| $3.98M | ﹤0.01% |
354,600
+302,700
| +583% | +$2.41M |
|
1736
CALL
ProShares UltraShort Health Care
RXD
$3.08M
| $3.97M | ﹤0.01% |
58,800
-21,950
| -27% | -$530K |
|
1737
PUT
Lumen
LUMN
$6.66B
| $3.97M | ﹤0.01% |
648,100
+112,400
| +21% | +$539K |
|
1738
PUT
Citizens Financial Group
CFG
$31.4B
| $3.96M | ﹤0.01% |
74,500
-96,600
| -56% | -$4.81M |
|
1739
CALL
Modine Manufacturing
MOD
$11B
| $3.95M | ﹤0.01% |
27,800
+12,000
| +76% | +$1.53M |
|
1740
Celsius Holdings
CELH
$7.22B
| $3.95M | ﹤0.01% |
68,631
-116,935
| -63% | -$6.11M |
|
1741
CALL
Quest Diagnostics
DGX
$26B
| $3.95M | ﹤0.01% |
20,700
+5,700
| +38% | +$1.01M |
|
1742
CALL
Northern Trust
NTRS
$35B
| $3.94M | ﹤0.01% |
29,300
-103,200
| -78% | -$13.3M |
|
1743
Navitas Semiconductor
NVTS
$3.76B
| $3.94M | ﹤0.01% |
545,909
+345,006
| +172% | +$2.31M |
|
|
PPL
1744
CALL
PPL Corp
PPL
$27B
| $3.94M | ﹤0.01% |
105,900
-14,000
| -12% | -$503K |
|
1745
CALL
Transocean
RIG
$6.48B
| $3.92M | ﹤0.01% |
1,258,000
+400,300
| +47% | +$1.21M |
|
1746
SAP
SAP
$241B
| $3.91M | ﹤0.01% |
14,622
-873
| -6% | -$246K |
|
1747
CALL
Blue Owl Capital
OWL
$19.2B
| $3.9M | ﹤0.01% |
230,400
+39,000
| +20% | +$742K |
|
1748
Diageo
DEO
$53B
| $3.89M | ﹤0.01% |
+40,723
| New | +$4.27M |
|
1749
CALL
TG Therapeutics
TGTX
$7.45B
| $3.88M | ﹤0.01% |
107,300
-48,300
| -31% | -$1.59M |
|
1750
PUT
BWX Technologies
BWXT
$15.8B
| $3.87M | ﹤0.01% |
21,000
-11,200
| -35% | -$1.8M |
|
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.