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 | |
|---|---|---|---|---|---|---|
1401
PUT
Hershey
HSY
$37.4B
| $6.49M | ﹤0.01% |
34,700
-16,900
| -33% | -$3.07M |
|
1402
CALL
CoStar Group
CSGP
$13.4B
| $6.49M | ﹤0.01% |
76,900
+5,100
| +7% | +$451K |
|
1403
PUT
PureCycle Technologies
PCT
$1.41B
| $6.45M | ﹤0.01% |
490,700
-141,500
| -22% | -$1.97M |
|
|
GRAL
1404
CALL
GRAIL Inc
GRAL
$3.08B
| $6.43M | ﹤0.01% |
108,700
-5,100
| -4% | -$195K |
|
1405
CALL
Range Resources
RRC
$9.39B
| $6.42M | ﹤0.01% |
170,500
-152,500
| -47% | -$5.45M |
|
1406
Keurig Dr Pepper
KDP
$42.3B
| $6.41M | ﹤0.01% |
+251,450
| New | +$7.88M |
|
1407
PUT
Alamos Gold
AGI
$13.8B
| $6.41M | ﹤0.01% |
184,000
+81,300
| +79% | +$2.32M |
|
|
MRSH
1408
PUT
Marsh
MRSH
$90.1B
| $6.39M | ﹤0.01% |
31,700
+8,700
| +38% | +$1.79M |
|
1409
CALL
Mohawk Industries
MHK
$9.27B
| $6.38M | ﹤0.01% |
49,500
+28,500
| +136% | +$3.53M |
|
1410
PUT
Copart
CPRT
$27.2B
| $6.38M | ﹤0.01% |
141,900
+35,900
| +34% | +$1.69M |
|
1411
CALL
DigitalOcean
DOCN
$15.6B
| $6.38M | ﹤0.01% |
186,700
+8,800
| +5% | +$279K |
|
1412
Zeta Global
ZETA
$7.44B
| $6.36M | ﹤0.01% |
320,280
+33,085
| +12% | +$594K |
|
|
FETH
1413
Fidelity Ethereum Fund
FETH
$1.02B
| $6.34M | ﹤0.01% |
152,661
+135,035
| +766% | +$5.29M |
|
1414
Atlassian
TEAM
$42.1B
| $6.34M | ﹤0.01% |
+39,689
| New | +$7.18M |
|
1415
PUT
Sunoco
SUN
$14.2B
| $6.33M | ﹤0.01% |
126,500
+61,700
| +95% | +$3.21M |
|
1416
CALL
Ouster
OUST
$3.25B
| $6.32M | ﹤0.01% |
233,600
+42,100
| +22% | +$1.17M |
|
1417
PUT
Cognizant
CTSH
$26.2B
| $6.3M | ﹤0.01% |
94,000
+4,800
| +5% | +$347K |
|
1418
Bilibili
BILI
$7.14B
| $6.3M | ﹤0.01% |
224,133
+145,324
| +184% | +$3.48M |
|
1419
PUT
Vanguard Morningstar Growth ETF
VUG
$231B
| $6.28M | ﹤0.01% |
78,600
-1,800
| -2% | -$138K |
|
1420
PUT
Ovintiv
OVV
$17.5B
| $6.28M | ﹤0.01% |
155,500
-9,300
| -6% | -$379K |
|
1421
PUT
VF Corp
VFC
$5.79B
| $6.26M | ﹤0.01% |
433,600
-98,300
| -18% | -$1.32M |
|
1422
PUT
MasTec
MTZ
$23B
| $6.26M | ﹤0.01% |
29,400
+7,500
| +34% | +$1.37M |
|
|
1423
CALL
Cognizant
CTSH
$26.2B
| $6.25M | ﹤0.01% |
93,200
+9,900
| +12% | +$716K |
|
1424
CALL
Novavax
NVAX
$1.34B
| $6.25M | ﹤0.01% |
720,900
+123,600
| +21% | +$962K |
|
1425
PUT
Ormat Technologies
ORA
$6.97B
| $6.22M | ﹤0.01% |
64,600
+41,900
| +185% | +$3.78M |
|
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.