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 | |
|---|---|---|---|---|---|---|
2201
PUT
Pitney Bowes
PBI
$2.28B
| $2.06M | ﹤0.01% |
180,800
+77,400
| +75% | +$901K |
|
2202
PUT
AAR Corp
AIR
$5.96B
| $2.06M | ﹤0.01% |
+23,000
| New | +$1.75M |
|
2203
Transocean
RIG
$6.39B
| $2.06M | ﹤0.01% |
660,181
+407,587
| +161% | +$1.23M |
|
2204
PUT
Enovix
ENVX
$966M
| $2.05M | ﹤0.01% |
205,300
-49,100
| -19% | -$543K |
|
2205
PUT
NextNav
NN
$3.29B
| $2.05M | ﹤0.01% |
143,100
-12,400
| -8% | -$196K |
|
2206
PUT
Textron
TXT
$15.3B
| $2.04M | ﹤0.01% |
24,200
+7,100
| +42% | +$578K |
|
2207
CALL
MicroSectors FANG+ ETNs due Jan 8 2038
FNGS
$608M
| $2.04M | ﹤0.01% |
29,200
+9,500
| +48% | +$634K |
|
2208
PUT
Magna International
MGA
$18.7B
| $2.04M | ﹤0.01% |
43,100
-24,100
| -36% | -$1.06M |
|
2209
CALL
Ryder
R
$10.1B
| $2.04M | ﹤0.01% |
+10,800
| New | +$1.95M |
|
|
HSAI
2210
CALL
Hesai Group
HSAI
$3.03B
| $2.03M | ﹤0.01% |
72,200
+54,600
| +310% | +$1.34M |
|
2211
PUT
Wabtec
WAB
$50.3B
| $2.02M | ﹤0.01% |
+10,100
| New | +$1.99M |
|
2212
Lantheus
LNTH
$6.57B
| $2.02M | ﹤0.01% |
+39,301
| New | +$2.46M |
|
|
JMIA
2213
PUT
Jumia Technologies
JMIA
$768M
| $2.02M | ﹤0.01% |
173,600
-255,600
| -60% | -$1.87M |
|
2214
CALL
Ares Management
ARES
$32.1B
| $2.01M | ﹤0.01% |
12,600
-2,700
| -18% | -$487K |
|
2215
PUT
United Natural Foods
UNFI
$2.9B
| $2.01M | ﹤0.01% |
53,500
+15,900
| +42% | +$436K |
|
2216
CALL
BorgWarner
BWA
$14B
| $2.01M | ﹤0.01% |
45,700
-13,200
| -22% | -$528K |
|
|
EMBJ
2217
CALL
Embraer S.A. ADS
EMBJ
$13.2B
| $2.01M | ﹤0.01% |
33,200
+5,600
| +20% | +$316K |
|
2218
PUT
Upwork
UPWK
$1.08B
| $2M | ﹤0.01% |
107,900
+23,300
| +28% | +$347K |
|
2219
ProShares Ultra Gold
UGL
$792M
| $2M | ﹤0.01% |
43,451
-243,180
| -85% | -$9.15M |
|
2220
CALL
Redwire
RDW
$3.3B
| $2M | ﹤0.01% |
222,300
+158,600
| +249% | +$1.85M |
|
2221
PUT
Warrior Met Coal
HCC
$4.98B
| $2M | ﹤0.01% |
31,400
+12,300
| +64% | +$703K |
|
2222
CALL
Reinsurance Group of America
RGA
$16.1B
| $2M | ﹤0.01% |
+10,400
| New | +$1.99M |
|
2223
PUT
Listed Funds Trust Roundhill Magnificent Seven ETF
MAGS
$4.2B
| $2M | ﹤0.01% |
30,800
+11,500
| +60% | +$687K |
|
|
ABK
2224
CALL
DELISTED
Ambac Financial Group
ABK
| $2M | ﹤0.01% |
239,400
+77,400
| +48% | +$646K |
|
2225
CALL
Array Technologies
ARRY
$796M
| $2M | ﹤0.01% |
244,800
+42,400
| +21% | +$321K |
|
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.