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 | |
|---|---|---|---|---|---|---|
|
ABK
3001
PUT
DELISTED
Ambac Financial Group
ABK
| $653K | ﹤0.01% |
78,300
-21,500
| -22% | -$179K |
|
3002
CALL
Helen of Troy
HELE
$699M
| $653K | ﹤0.01% |
25,900
+5,000
| +24% | +$121K |
|
3003
PUT
UGI
UGI
$7.56B
| $652K | ﹤0.01% |
19,600
+2,200
| +13% | +$76.9K |
|
3004
CALL
Microvision
MVIS
$89.7M
| $650K | ﹤0.01% |
+34,933
| New | +$624K |
|
3005
Enovix
ENVX
$966M
| $648K | ﹤0.01% |
+64,976
| New | +$719K |
|
3006
FT Vest US Equity Moderate Buffer ETF March
GMAR
$397M
| $647K | ﹤0.01% |
+16,141
| New | +$639K |
|
3007
CALL
Cooper-Standard Automotive
CPS
$484M
| $646K | ﹤0.01% |
+17,500
| New | +$533K |
|
3008
Chemours
CC
$2.3B
| $645K | ﹤0.01% |
40,727
-12,917
| -24% | -$187K |
|
3009
PUT
California Resources
CRC
$4.69B
| $643K | ﹤0.01% |
+12,100
| New | +$606K |
|
3010
Weibo
WB
$1.88B
| $642K | ﹤0.01% |
+51,810
| New | +$567K |
|
3011
CALL
Perrigo
PRGO
$1.78B
| $641K | ﹤0.01% |
28,800
+2,600
| +10% | +$63.6K |
|
3012
CALL
Red Rock Resorts
RRR
$3.67B
| $641K | ﹤0.01% |
+10,500
| New | +$618K |
|
|
FIRY
3013
PUT
Firy Inc
FIRY
$158M
| $641K | ﹤0.01% |
80,100
+45,800
| +134% | +$352K |
|
3014
CALL
Trex
TREX
$5.1B
| $641K | ﹤0.01% |
+12,400
| New | +$755K |
|
3015
CALL
Legend Biotech
LEGN
$3.93B
| $639K | ﹤0.01% |
+19,600
| New | +$724K |
|
3016
CALL
Western Union
WU
$2.34B
| $634K | ﹤0.01% |
79,300
+27,900
| +54% | +$233K |
|
3017
CALL
Sportradar
SRAD
$4.02B
| $632K | ﹤0.01% |
23,500
-600
| -2% | -$17.8K |
|
3018
Amkor Technology
AMKR
$14.3B
| $632K | ﹤0.01% |
+22,256
| New | +$536K |
|
3019
CALL
Gaming and Leisure Properties
GLPI
$12.7B
| $629K | ﹤0.01% |
13,500
-1,300
| -9% | -$61.3K |
|
3020
Perion Network
PERI
$384M
| $629K | ﹤0.01% |
65,488
-536
| -0.8% | -$5.36K |
|
3021
Sabre
SABR
$892M
| $628K | ﹤0.01% |
343,405
+264,176
| +333% | +$623K |
|
3022
ETRACS MarketVector Business Development Companies Liquid Index ETN due Apr 26 2041
BDCZ
$16.7M
| $628K | ﹤0.01% |
36,708
+988
| +3% | +$18K |
|
|
PMT
3023
PUT
PennyMac Mortgage Investment
PMT
$828M
| $626K | ﹤0.01% |
+51,100
| New | +$631K |
|
3024
Roundhill S&P 500 0DTE Covered Call Strategy ETF
XDTE
$346M
| $626K | ﹤0.01% |
14,150
-7,424
| -34% | -$327K |
|
3025
GraniteShares ETF Trust GraniteShares 2x Long BABA Daily ETF
BABX
$99.3M
| $625K | ﹤0.01% |
+10,963
| New | +$358K |
|
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.