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 | |
|---|---|---|---|---|---|---|
2701
PUT
Under Armour Class C
UA
$2.25B
| $1.02M | ﹤0.01% |
+210,400
| New | +$1.18M |
|
|
VTLE
2702
PUT
DELISTED
Vital Energy
VTLE
| $1.02M | ﹤0.01% |
60,100
-54,700
| -48% | -$924K |
|
2703
CALL
Avantor
AVTR
$9.37B
| $1.01M | ﹤0.01% |
81,300
-48,000
| -37% | -$618K |
|
|
SLNO
2704
CALL
DELISTED
Soleno Therapeutics
SLNO
| $1.01M | ﹤0.01% |
+15,000
| New | +$1.11M |
|
2705
PUT
YieldMax MSTR Option Income Strategy ETF
MSTY
$751M
| $1.01M | ﹤0.01% |
14,440
-6,900
| -32% | -$628K |
|
|
TUZ
2706
PUT
DELISTED
PIMCO 1-3 Year U.S. Treasury Index Exchange-Traded Fund
TUZ
| $1.01M | ﹤0.01% |
14,800
-200
| -1% | -$13.6K |
|
2707
PUT
Xenon Pharmaceuticals
XENE
$6.21B
| $1M | ﹤0.01% |
+25,000
| New | +$881K |
|
2708
Dave & Buster's
PLAY
$370M
| $1M | ﹤0.01% |
+55,139
| New | +$1.45M |
|
|
SERV
2709
Serve Robotics
SERV
$428M
| $1,000K | ﹤0.01% |
85,970
+51,618
| +150% | +$566K |
|
2710
CALL
ALPS REIT Dividend Dogs ETF
RDOG
$11.3M
| $1,000K | ﹤0.01% |
21,300
+4,400
| +26% | +$161K |
|
2711
PUT
PagerDuty
PD
$932M
| $998K | ﹤0.01% |
60,400
+16,700
| +38% | +$266K |
|
2712
CALL
United States Copper Index Fund
CPER
$771M
| $996K | ﹤0.01% |
33,200
+12,800
| +63% | +$385K |
|
2713
CALL
Warner Music
WMG
$13.3B
| $995K | ﹤0.01% |
29,200
+12,600
| +76% | +$402K |
|
2714
CALL
NCR Atleos
NATL
$3.47B
| $995K | ﹤0.01% |
+25,300
| New | +$881K |
|
2715
CALL
3D Systems Corp
DDD
$601M
| $994K | ﹤0.01% |
+342,900
| New | +$707K |
|
2716
Mirion Technologies
MIR
$3.88B
| $993K | ﹤0.01% |
+42,689
| New | +$923K |
|
2717
PUT
Kilroy Realty
KRC
$4.3B
| $993K | ﹤0.01% |
+23,500
| New | +$927K |
|
|
GOOS
2718
PUT
Canada Goose Holdings
GOOS
$850M
| $992K | ﹤0.01% |
71,900
+42,900
| +148% | +$556K |
|
2719
TotalEnergies
TTE
$193B
| $987K | ﹤0.01% |
+16,541
| New | +$1.02M |
|
2720
CALL
Genworth Financial
GNW
$3.77B
| $985K | ﹤0.01% |
110,700
+63,600
| +135% | +$525K |
|
2721
CALL
Gentex
GNTX
$4.99B
| $985K | ﹤0.01% |
+34,800
| New | +$925K |
|
2722
CALL
Synaptics
SYNA
$4.2B
| $984K | ﹤0.01% |
14,400
-600
| -4% | -$40.8K |
|
2723
CALL
ArcelorMittal
MT
$55.2B
| $983K | ﹤0.01% |
27,200
-45,900
| -63% | -$1.55M |
|
|
GOOS
2724
CALL
Canada Goose Holdings
GOOS
$850M
| $982K | ﹤0.01% |
71,200
+2,100
| +3% | +$27.2K |
|
2725
PUT
Corcept Therapeutics
CORT
$11.9B
| $981K | ﹤0.01% |
+11,800
| New | +$854K |
|
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.