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 | |
|---|---|---|---|---|---|---|
|
DOCU
776
CALL
DocuSign
DOCU
$12.2B
| $20.8M | 0.01% |
288,900
-113,600
| -28% | -$8.75M |
|
777
PUT
On Holding
ONON
$10.6B
| $20.8M | 0.01% |
490,500
-2,700
| -0.5% | -$128K |
|
778
PUT
Builders FirstSource
BLDR
$7.91B
| $20.7M | 0.01% |
171,100
+34,600
| +25% | +$4.59M |
|
779
PUT
Ciena
CIEN
$62.7B
| $20.7M | 0.01% |
142,300
+53,700
| +61% | +$5.47M |
|
780
PUT
Phillips 66
PSX
$92.8B
| $20.7M | 0.01% |
152,200
+33,300
| +28% | +$4.27M |
|
781
PUT
Xtrackers MSCI Emerging Markets Hedged Equity ETF
DBEM
$110M
| $20.7M | 0.01% |
627,300
-121,400
| -16% | -$3.51M |
|
782
PUT
KKR & Co
KKR
$103B
| $20.6M | 0.01% |
158,400
+27,100
| +21% | +$3.85M |
|
783
CALL
British American Tobacco
BTI
$124B
| $20.6M | 0.01% |
387,700
+87,700
| +29% | +$4.76M |
|
784
PUT
DexCom
DXCM
$34.5B
| $20.5M | 0.01% |
305,200
+164,700
| +117% | +$13M |
|
785
CALL
Sherwin-Williams
SHW
$87.8B
| $20.5M | 0.01% |
59,200
+25,600
| +76% | +$9.03M |
|
786
CALL
Tapestry
TPR
$25.9B
| $20.5M | 0.01% |
180,800
+34,500
| +24% | +$3.61M |
|
787
PUT
US Bancorp Series B Preferred Stock
USB.PRH
$743M
| $20.4M | 0.01% |
422,400
+68,000
| +19% | +$1.39M |
|
788
CALL
NXP Semiconductors
NXPI
$58.5B
| $20.4M | 0.01% |
89,400
+29,500
| +49% | +$6.63M |
|
789
PUT
Invesco S&P SmallCap Low Volatility ETF
XSLV
$250M
| $20.3M | 0.01% |
334,700
-153,400
| -31% | -$7.13M |
|
790
CALL
Ross Stores
ROST
$78.6B
| $20.2M | 0.01% |
132,400
+18,500
| +16% | +$2.64M |
|
791
PUT
Cboe Global Markets
CBOE
$30.6B
| $19.9M | 0.01% |
81,100
+41,800
| +106% | +$10M |
|
792
CALL
argenx
ARGX
$53.6B
| $19.8M | 0.01% |
+26,800
| New | +$17.7M |
|
793
CALL
DuPont de Nemours
DD
$19.5B
| $19.7M | 0.01% |
201,875
+86,996
| +76% | +$8.2M |
|
794
CALL
Devon Energy
DVN
$48.8B
| $19.7M | 0.01% |
562,800
+154,600
| +38% | +$5.26M |
|
795
PUT
Zoetis
ZTS
$31.3B
| $19.7M | 0.01% |
134,700
+71,900
| +114% | +$10.9M |
|
796
CALL
United Therapeutics
UTHR
$21.5B
| $19.7M | 0.01% |
47,000
+33,900
| +259% | +$11.4M |
|
797
CALL
Prudential Financial
PRU
$43B
| $19.7M | 0.01% |
189,700
+41,200
| +28% | +$4.34M |
|
798
PUT
Toast
TOST
$20.4B
| $19.7M | 0.01% |
538,800
+86,500
| +19% | +$3.76M |
|
799
CALL
Toll Brothers
TOL
$14B
| $19.6M | 0.01% |
141,700
-78,800
| -36% | -$10.3M |
|
800
CALL
AstraZeneca
AZN
$244B
| $19.6M | 0.01% |
127,550
+22,550
| +21% | +$3.41M |
|
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.