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 | |
|---|---|---|---|---|---|---|
2626
CALL
Birkenstock
BIRK
$7.54B
| $1.12M | ﹤0.01% |
24,800
+14,600
| +143% | +$714K |
|
2627
CVS Health
CVS
$121B
| $1.12M | ﹤0.01% |
+14,840
| New | +$1.02M |
|
2628
Invesco Dorsey Wright Utilities Momentum ETF
PUI
$55.1M
| $1.12M | ﹤0.01% |
+24,333
| New | +$1.06M |
|
2629
Compass
COMP
$10.2B
| $1.12M | ﹤0.01% |
138,998
+4,412
| +3% | +$35.7K |
|
2630
CALL
W.P. Carey
WPC
$16.3B
| $1.11M | ﹤0.01% |
16,500
-24,600
| -60% | -$1.61M |
|
2631
CALL
Loews
L
$23B
| $1.11M | ﹤0.01% |
+11,100
| New | +$1.05M |
|
2632
NOV
NOV
$7.36B
| $1.11M | ﹤0.01% |
+83,921
| New | +$1.08M |
|
2633
Under Armour Class C
UA
$2.25B
| $1.11M | ﹤0.01% |
+230,052
| New | +$1.29M |
|
2634
PUT
BCE
BCE
$21.7B
| $1.11M | ﹤0.01% |
47,500
-28,300
| -37% | -$682K |
|
2635
PUT
Cinemark Holdings
CNK
$4.37B
| $1.11M | ﹤0.01% |
39,500
-19,600
| -33% | -$541K |
|
2636
CALL
Vanguard Global ex-US Real Estate ETF
VNQI
$3.52B
| $1.11M | ﹤0.01% |
20,400
-4,400
| -18% | -$206K |
|
|
TEN
2637
PUT
Tsakos Energy Navigation Ltd
TEN
$1.23B
| $1.1M | ﹤0.01% |
49,700
+27,600
| +125% | +$580K |
|
2638
CALL
Aaon
AAON
$7.23B
| $1.1M | ﹤0.01% |
+11,800
| New | +$967K |
|
2639
CALL
Hannon Armstrong Sustainable Infrastructure Capital
HASI
$5.44B
| $1.1M | ﹤0.01% |
35,900
+14,200
| +65% | +$392K |
|
2640
Arch Capital
ACGL
$33.5B
| $1.1M | ﹤0.01% |
+12,136
| New | +$1.09M |
|
|
KC
2641
CALL
Kingsoft Cloud Holdings
KC
$3.42B
| $1.1M | ﹤0.01% |
73,800
-85,200
| -54% | -$1.23M |
|
2642
CALL
Equity Residential
EQR
$24.7B
| $1.1M | ﹤0.01% |
17,000
-1,500
| -8% | -$98.1K |
|
2643
CALL
ClearPoint Neuro
CLPT
$470M
| $1.1M | ﹤0.01% |
+50,500
| New | +$595K |
|
2644
CALL
Cemex
CX
$16B
| $1.1M | ﹤0.01% |
122,300
+13,900
| +13% | +$119K |
|
2645
CALL
Hudbay
HBM
$11.8B
| $1.1M | ﹤0.01% |
+72,400
| New | +$829K |
|
2646
PUT
ProShares UltraShort Health Care
RXD
$3.02M
| $1.09M | ﹤0.01% |
16,200
-49,050
| -75% | -$1.18M |
|
2647
CALL
Corebridge Financial
CRBG
$15.3B
| $1.09M | ﹤0.01% |
34,100
+5,100
| +18% | +$174K |
|
2648
PUT
Green Plains
GPRE
$1.09B
| $1.09M | ﹤0.01% |
124,300
+17,800
| +17% | +$156K |
|
2649
PUT
Albertsons Companies
ACI
$6.02B
| $1.09M | ﹤0.01% |
62,200
-9,900
| -14% | -$194K |
|
2650
PUT
Cerence
CRNC
$389M
| $1.09M | ﹤0.01% |
87,400
+13,400
| +18% | +$137K |
|
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.