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 | |
|---|---|---|---|---|---|---|
926
PUT
Prudential Financial
PRU
$43B
| $15M | 0.01% |
144,200
+15,800
| +12% | +$1.66M |
|
927
PUT
Alcoa
AA
$13.1B
| $15M | 0.01% |
454,600
+82,100
| +22% | +$2.55M |
|
928
PUT
Travelers Companies
TRV
$77.2B
| $14.9M | 0.01% |
53,400
+8,000
| +18% | +$2.14M |
|
929
CALL
American International
AIG
$39.8B
| $14.9M | 0.01% |
189,800
+5,300
| +3% | +$424K |
|
930
CALL
Molina Healthcare
MOH
$10.7B
| $14.9M | 0.01% |
+77,800
| New | +$14.3M |
|
931
PUT
Lemonade
LMND
$4.1B
| $14.8M | 0.01% |
277,300
+94,300
| +52% | +$4.6M |
|
932
Coca-Cola
KO
$376B
| $14.8M | 0.01% |
+223,782
| New | +$15.4M |
|
933
PUT
Stanley Black & Decker
SWK
$15.4B
| $14.8M | 0.01% |
199,400
+27,200
| +16% | +$1.99M |
|
934
PUT
TransDigm Group
TDG
$68.9B
| $14.8M | 0.01% |
11,200
-13,100
| -54% | -$18.7M |
|
935
CALL
Flutter Entertainment
FLUT
$17.1B
| $14.8M | 0.01% |
58,100
-1,900
| -3% | -$556K |
|
936
CALL
Trip.com Group
TCOM
$28.3B
| $14.8M | 0.01% |
196,200
-1,100
| -0.6% | -$73.5K |
|
937
CALL
Li Auto
LI
$12B
| $14.7M | 0.01% |
579,500
+213,700
| +58% | +$5.53M |
|
938
PUT
Realty Income
O
$59.6B
| $14.6M | 0.01% |
240,900
-24,000
| -9% | -$1.4M |
|
939
CALL
iShares Gold Trust
IAU
$64.5B
| $14.6M | 0.01% |
200,900
+17,500
| +10% | +$1.14M |
|
940
CALL
Shake Shack
SHAK
$2.98B
| $14.6M | 0.01% |
156,100
+3,800
| +2% | +$437K |
|
941
CALL
Sprott Uranium Miners ETF
URNM
$2B
| $14.6M | 0.01% |
241,400
-28,100
| -10% | -$1.41M |
|
942
PUT
Digital Realty Trust
DLR
$73.1B
| $14.6M | 0.01% |
84,300
-9,900
| -11% | -$1.69M |
|
943
CALL
Carrier Global
CARR
$52.2B
| $14.5M | 0.01% |
242,700
+72,600
| +43% | +$4.93M |
|
944
CALL
Sony
SONY
$138B
| $14.5M | 0.01% |
502,800
+138,100
| +38% | +$3.71M |
|
945
PUT
Kinder Morgan
KMI
$71.4B
| $14.5M | 0.01% |
511,000
+71,700
| +16% | +$1.96M |
|
946
CALL
Paychex
PAYX
$44.6B
| $14.4M | 0.01% |
113,800
-40,600
| -26% | -$5.63M |
|
947
CALL
Nutrien
NTR
$32.2B
| $14.4M | 0.01% |
245,100
-1,600
| -0.6% | -$93.3K |
|
948
CALL
Pultegroup
PHM
$24.9B
| $14.3M | 0.01% |
108,600
+39,300
| +57% | +$4.88M |
|
949
CALL
Carlyle Group
CG
$18.3B
| $14.3M | 0.01% |
227,400
+147,600
| +185% | +$9.22M |
|
950
PUT
Prologis
PLD
$134B
| $14.2M | 0.01% |
124,000
+18,600
| +18% | +$2.04M |
|
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.