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 | |
|---|---|---|---|---|---|---|
3201
CALL
Revolution Medicines
RVMD
$44.1B
| $476K | ﹤0.01% |
+10,200
| New | +$399K |
|
3202
DHT Holdings
DHT
$2.93B
| $475K | ﹤0.01% |
+39,783
| New | +$461K |
|
3203
GigaCloud Technology
GCT
$1.84B
| $475K | ﹤0.01% |
16,713
-64,969
| -80% | -$1.69M |
|
3204
PUT
Mirion Technologies
MIR
$3.8B
| $472K | ﹤0.01% |
+20,300
| New | +$439K |
|
|
LINE
3205
CALL
Lineage Inc
LINE
$9.52B
| $471K | ﹤0.01% |
+12,200
| New | +$507K |
|
3206
CALL
Bausch Health
BHC
$2.33B
| $471K | ﹤0.01% |
73,000
+900
| +1% | +$6.15K |
|
|
CGC
3207
PUT
Canopy Growth
CGC
$422M
| $470K | ﹤0.01% |
321,600
+67,200
| +26% | +$87.3K |
|
3208
PUT
Virtu Financial
VIRT
$4.86B
| $469K | ﹤0.01% |
+13,200
| New | +$542K |
|
3209
FT Vest US Equity Moderate Buffer ETF May
GMAY
$542M
| $468K | ﹤0.01% |
+11,563
| New | +$460K |
|
3210
AbCellera Biologics
ABCL
$2.99B
| $468K | ﹤0.01% |
+92,973
| New | +$410K |
|
|
AVDL
3211
DELISTED
Avadel Pharmaceuticals
AVDL
| $467K | ﹤0.01% |
30,555
+4,995
| +20% | +$65K |
|
3212
PUT
WPP
WPP
$5.83B
| $466K | ﹤0.01% |
+18,600
| New | +$508K |
|
|
3213
PUT
DHT Holdings
DHT
$2.93B
| $465K | ﹤0.01% |
+38,900
| New | +$451K |
|
|
AUGM
3214
FT Vest U.S. Equity Max Buffer ETF - August
AUGM
$31.8M
| $465K | ﹤0.01% |
+13,813
| New | +$460K |
|
3215
PUT
Leggett & Platt
LEG
$1.3B
| $464K | ﹤0.01% |
52,300
+27,900
| +114% | +$266K |
|
|
ACB
3216
CALL
Aurora Cannabis
ACB
$216M
| $464K | ﹤0.01% |
+77,900
| New | +$380K |
|
|
TEN
3217
Tsakos Energy Navigation Ltd
TEN
$1.15B
| $464K | ﹤0.01% |
20,882
+4,654
| +29% | +$97.7K |
|
3218
PUT
Beazer Homes USA
BZH
$874M
| $464K | ﹤0.01% |
18,900
-1,800
| -9% | -$44.2K |
|
3219
PUT
Hawaiian Electric Industries
HE
$2.05B
| $464K | ﹤0.01% |
42,000
+3,100
| +8% | +$35.3K |
|
3220
CALL
Ameresco
AMRC
$1.37B
| $463K | ﹤0.01% |
+13,800
| New | +$316K |
|
3221
PUT
Dentsply Sirona
XRAY
$2.31B
| $463K | ﹤0.01% |
+36,500
| New | +$530K |
|
3222
CALL
Dana Inc
DAN
$3.27B
| $463K | ﹤0.01% |
23,100
-14,100
| -38% | -$262K |
|
3223
PUT
SLM Corp
SLM
$5.11B
| $462K | ﹤0.01% |
16,700
-16,600
| -50% | -$518K |
|
|
AMTM
3224
Amentum Holdings
AMTM
$5.48B
| $461K | ﹤0.01% |
19,237
+3,527
| +22% | +$85.9K |
|
3225
CALL
ThredUp
TDUP
$412M
| $460K | ﹤0.01% |
48,700
+19,900
| +69% | +$188K |
|
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.