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 | |
|---|---|---|---|---|---|---|
2226
PUT
NexGen Energy
NXE
$6.97B
| $1.99M | ﹤0.01% |
222,700
-9,700
| -4% | -$71.5K |
|
2227
CALL
MACOM Technology Solutions
MTSI
$23.5B
| $1.99M | ﹤0.01% |
+16,000
| New | +$2.11M |
|
2228
PUT
Eastman Chemical
EMN
$8.29B
| $1.99M | ﹤0.01% |
31,500
+19,600
| +165% | +$1.37M |
|
2229
CALL
Vanguard Total World Stock ETF
VT
$81.9B
| $1.98M | ﹤0.01% |
14,400
-3,800
| -21% | -$505K |
|
2230
PUT
FirstEnergy
FE
$27.1B
| $1.98M | ﹤0.01% |
43,300
+8,900
| +26% | +$380K |
|
2231
Petrobras
PBR
$115B
| $1.98M | ﹤0.01% |
+156,188
| New | +$1.96M |
|
2232
CALL
Northern Oil and Gas
NOG
$2.61B
| $1.98M | ﹤0.01% |
79,700
+11,900
| +18% | +$316K |
|
2233
PUT
BHP
BHP
$222B
| $1.97M | ﹤0.01% |
35,300
-3,700
| -9% | -$197K |
|
2234
CALL
Unum
UNM
$14.5B
| $1.97M | ﹤0.01% |
25,300
-3,500
| -12% | -$262K |
|
2235
CALL
Sonos
SONO
$1.86B
| $1.97M | ﹤0.01% |
124,500
+35,800
| +40% | +$459K |
|
2236
The GEO Group
GEO
$4.14B
| $1.96M | ﹤0.01% |
95,889
+17,503
| +22% | +$400K |
|
2237
CALL
IAMGOLD
IAG
$10.1B
| $1.96M | ﹤0.01% |
151,800
+84,900
| +127% | +$744K |
|
2238
PUT
TMC The Metals Company
TMC
$1.91B
| $1.96M | ﹤0.01% |
307,700
+34,200
| +13% | +$205K |
|
2239
PUT
Core & Main
CNM
$8.64B
| $1.95M | ﹤0.01% |
36,300
+26,300
| +263% | +$1.59M |
|
|
SERV
2240
PUT
Serve Robotics
SERV
$428M
| $1.95M | ﹤0.01% |
167,600
+121,200
| +261% | +$1.33M |
|
2241
CALL
Bitdeer Technologies
BTDR
$2.38B
| $1.95M | ﹤0.01% |
114,000
+19,000
| +20% | +$267K |
|
2242
PUT
Equinox Gold
EQX
$13.1B
| $1.95M | ﹤0.01% |
173,600
-69,300
| -29% | -$551K |
|
2243
PUT
Brookfield
BN
$111B
| $1.95M | ﹤0.01% |
42,600
+12,450
| +41% | +$552K |
|
2244
CALL
Xylem
XYL
$28.5B
| $1.95M | ﹤0.01% |
+13,200
| New | +$1.83M |
|
|
KC
2245
Kingsoft Cloud Holdings
KC
$3.42B
| $1.94M | ﹤0.01% |
+130,173
| New | +$1.89M |
|
|
ARR
2246
CALL
Armour Residential REIT
ARR
$2.37B
| $1.94M | ﹤0.01% |
129,900
+14,500
| +13% | +$228K |
|
2247
CALL
Olin
OLN
$2.13B
| $1.94M | ﹤0.01% |
77,600
+28,400
| +58% | +$631K |
|
2248
CALL
Procept Biorobotics
PRCT
$1.26B
| $1.94M | ﹤0.01% |
54,300
+35,900
| +195% | +$1.64M |
|
2249
Boston Scientific
BSX
$74.9B
| $1.94M | ﹤0.01% |
+19,827
| New | +$2.05M |
|
|
SCHW
2250
Charles Schwab
SCHW
$190B
| $1.93M | ﹤0.01% |
+20,224
| New | +$1.92M |
|
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.