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 | |
|---|---|---|---|---|---|---|
3026
CALL
QuidelOrtho
QDEL
$1.03B
| $624K | ﹤0.01% |
21,200
+3,400
| +19% | +$93K |
|
3027
Nokia
NOK
$59B
| $624K | ﹤0.01% |
+129,713
| New | +$586K |
|
3028
PUT
Full Truck Alliance
YMM
$9.2B
| $624K | ﹤0.01% |
48,100
+27,800
| +137% | +$344K |
|
3029
Helen of Troy
HELE
$699M
| $623K | ﹤0.01% |
24,725
+8,884
| +56% | +$215K |
|
3030
Schrodinger
SDGR
$1.38B
| $623K | ﹤0.01% |
+31,047
| New | +$624K |
|
3031
PUT
BellRing Brands
BRBR
$1.28B
| $622K | ﹤0.01% |
17,100
-50,900
| -75% | -$2.3M |
|
|
OPRA
3032
PUT
Opera Ltd
OPRA
$1.8B
| $621K | ﹤0.01% |
+30,100
| New | +$538K |
|
3033
CALL
Vanguard Long-Term Treasury ETF
VGLT
$10.4B
| $620K | ﹤0.01% |
10,900
-700
| -6% | -$39K |
|
3034
PUT
ARK Blockchain & Fintech Innovation ETF
ARKF
$782M
| $619K | ﹤0.01% |
+10,900
| New | +$586K |
|
3035
PUT
Atour Lifestyle Holdings
ATAT
$4.5B
| $616K | ﹤0.01% |
+16,400
| New | +$599K |
|
3036
Freshworks
FRSH
$3.51B
| $616K | ﹤0.01% |
+52,360
| New | +$705K |
|
3037
CALL
NextDecade
NEXT
$1.8B
| $616K | ﹤0.01% |
90,700
+5,900
| +7% | +$57.1K |
|
3038
CALL
Macerich
MAC
$6.99B
| $615K | ﹤0.01% |
33,800
-6,800
| -17% | -$118K |
|
3039
PUT
EPR Properties
EPR
$4.73B
| $615K | ﹤0.01% |
+10,600
| New | +$596K |
|
3040
CALL
PagerDuty
PD
$932M
| $613K | ﹤0.01% |
37,100
-15,400
| -29% | -$245K |
|
3041
CALL
ING
ING
$102B
| $613K | ﹤0.01% |
23,500
-16,500
| -41% | -$398K |
|
3042
CALL
Pilgrim's Pride
PPC
$6.57B
| $611K | ﹤0.01% |
15,000
+2,400
| +19% | +$109K |
|
3043
PUT
Krispy Kreme
DNUT
$569M
| $610K | ﹤0.01% |
157,600
+62,900
| +66% | +$217K |
|
3044
PUT
Bread Financial
BFH
$4.51B
| $608K | ﹤0.01% |
+10,900
| New | +$673K |
|
3045
PUT
RCI Hospitality Holdings
RICK
$230M
| $607K | ﹤0.01% |
+19,900
| New | +$713K |
|
|
TEN
3046
CALL
Tsakos Energy Navigation Ltd
TEN
$1.23B
| $607K | ﹤0.01% |
+27,300
| New | +$573K |
|
3047
Freshpet
FRPT
$3.5B
| $606K | ﹤0.01% |
11,002
-7,212
| -40% | -$447K |
|
3048
Scholar Rock
SRRK
$6.46B
| $606K | ﹤0.01% |
+16,267
| New | +$569K |
|
3049
Invesco S&P SmallCap Information Technology ETF
PSCT
$518M
| $605K | ﹤0.01% |
11,401
| – | – |
|
3050
PUT
EVgo
EVGO
$519M
| $604K | ﹤0.01% |
127,800
+13,800
| +12% | +$53.5K |
|
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.