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 | |
|---|---|---|---|---|---|---|
901
CALL
Invesco S&P SmallCap Low Volatility ETF
XSLV
$250M
| $15.5M | 0.01% |
208,500
-123,600
| -37% | -$5.74M |
|
902
PUT
SAP
SAP
$242B
| $15.5M | 0.01% |
58,000
-44,700
| -44% | -$12.6M |
|
903
PUT
Carrier Global
CARR
$52.2B
| $15.5M | 0.01% |
259,300
+195,100
| +304% | +$13.3M |
|
904
CALL
Dave Inc
DAVE
$4.26B
| $15.5M | 0.01% |
77,600
+57,100
| +279% | +$12.3M |
|
905
PUT
Kroger
KR
$35.1B
| $15.5M | 0.01% |
229,300
-102,000
| -31% | -$7.1M |
|
906
PUT
Colgate-Palmolive
CL
$74.1B
| $15.4M | 0.01% |
193,100
+33,900
| +21% | +$2.89M |
|
907
CALL
Samsara
IOT
$24B
| $15.4M | 0.01% |
413,500
+74,100
| +22% | +$2.75M |
|
908
CALL
Joby Aviation
JOBY
$8.17B
| $15.4M | 0.01% |
953,000
+538,500
| +130% | +$8.18M |
|
909
CALL
The Mosaic Company
MOS
$6.92B
| $15.3M | 0.01% |
441,600
+118,300
| +37% | +$4.08M |
|
910
PUT
Intercontinental Exchange
ICE
$87.2B
| $15.3M | 0.01% |
90,800
+47,300
| +109% | +$8.45M |
|
911
CALL
Eos Energy Enterprises
EOSE
$1.51B
| $15.2M | 0.01% |
1,338,600
+359,900
| +37% | +$2.46M |
|
912
Roundhill N-100 0DTE Covered Call Strategy ETF
QDTE
$964M
| $15.2M | 0.01% |
428,259
+387,624
| +954% | +$13.7M |
|
913
PUT
Comfort Systems
FIX
$60.8B
| $15.2M | 0.01% |
+18,400
| New | +$12.5M |
|
914
CALL
Insmed
INSM
$27.6B
| $15.2M | 0.01% |
+105,300
| New | +$12.9M |
|
915
CALL
Parker-Hannifin
PH
$134B
| $15.2M | 0.01% |
20,000
-24,000
| -55% | -$17.7M |
|
916
CALL
Vanguard Morningstar Growth ETF
VUG
$231B
| $15.2M | 0.01% |
189,600
+60,600
| +47% | +$4.63M |
|
917
PUT
Johnson Controls International
JCI
$91.7B
| $15.1M | 0.01% |
137,600
-72,300
| -34% | -$7.73M |
|
918
PUT
NXP Semiconductors
NXPI
$58.5B
| $15.1M | 0.01% |
66,400
-4,800
| -7% | -$1.08M |
|
919
PUT
Churchill Downs
CHDN
$6.2B
| $15.1M | 0.01% |
+155,800
| New | +$16M |
|
|
NBIS
920
Nebius Group N.V.
NBIS
$69.3B
| $15.1M | 0.01% |
+134,512
| New | +$9.34M |
|
921
CALL
APA Corp
APA
$14B
| $15M | 0.01% |
619,700
+2,800
| +0.5% | +$59.1K |
|
922
CALL
Hershey
HSY
$37.4B
| $15M | 0.01% |
80,400
+21,700
| +37% | +$3.94M |
|
923
PUT
O'Reilly Automotive
ORLY
$74.9B
| $15M | 0.01% |
139,400
-103,100
| -43% | -$10.4M |
|
924
CALL
Prologis
PLD
$134B
| $15M | 0.01% |
131,000
+1,800
| +1% | +$198K |
|
925
iShares Core S&P 500 ETF
IVV
$910B
| $15M | 0.01% |
22,367
-142,006
| -86% | -$91.5M |
|
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.