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 | |
|---|---|---|---|---|---|---|
3526
Algoma Steel
ASTL
$467M
| $221K | ﹤0.01% |
62,157
-53,074
| -46% | -$282K |
|
3527
Hyliion Holdings
HYLN
$699M
| $219K | ﹤0.01% |
+111,400
| New | +$185K |
|
3528
PUT
Butterfly Network
BFLY
$2.5B
| $217K | ﹤0.01% |
+112,500
| New | +$191K |
|
3529
CALL
Sabre
SABR
$803M
| $216K | ﹤0.01% |
118,200
+4,900
| +4% | +$11.6K |
|
3530
PUT
AMC Global Media
AMCX
$486M
| $216K | ﹤0.01% |
+26,200
| New | +$182K |
|
3531
PureCycle Technologies
PCT
$1.54B
| $215K | ﹤0.01% |
+16,372
| New | +$227K |
|
3532
CALL
TETRA Technologies
TTI
$1.31B
| $215K | ﹤0.01% |
+37,400
| New | +$160K |
|
|
ORLA
3533
DELISTED
Orla Mining
ORLA
| $215K | ﹤0.01% |
+19,891
| New | +$213K |
|
3534
BGC Group
BGC
$4.8B
| $214K | ﹤0.01% |
+22,632
| New | +$227K |
|
3535
CALL
1-800-Flowers.com
FLWS
$259M
| $214K | ﹤0.01% |
+46,500
| New | +$256K |
|
|
ORLA
3536
PUT
DELISTED
Orla Mining
ORLA
| $213K | ﹤0.01% |
+19,700
| New | +$211K |
|
|
ORLA
3537
CALL
DELISTED
Orla Mining
ORLA
| $211K | ﹤0.01% |
+19,500
| New | +$209K |
|
3538
CALL
Compass Diversified
CODI
$927M
| $211K | ﹤0.01% |
+31,800
| New | +$219K |
|
3539
TXO Partners LP
TXO
$794M
| $210K | ﹤0.01% |
+14,951
| New | +$216K |
|
|
TBCH
3540
Turtle Beach Corp
TBCH
$256M
| $209K | ﹤0.01% |
+13,171
| New | +$196K |
|
3541
CALL
AvePoint
AVPT
$2.78B
| $209K | ﹤0.01% |
13,900
-1,100
| -7% | -$18.5K |
|
3542
CALL
Cellebrite
CLBT
$4B
| $208K | ﹤0.01% |
+11,200
| New | +$176K |
|
3543
PUT
Microvision
MVIS
$86.6M
| $207K | ﹤0.01% |
+11,153
| New | +$199K |
|
|
PR
3544
Permian Resources
PR
$18B
| $205K | ﹤0.01% |
+16,045
| New | +$220K |
|
3545
Bumble
BMBL
$367M
| $205K | ﹤0.01% |
33,660
-21,082
| -39% | -$144K |
|
3546
PUT
Park Hotels & Resorts
PK
$2.89B
| $205K | ﹤0.01% |
+18,500
| New | +$208K |
|
3547
PUT
PACS Group
PACS
$7.12B
| $205K | ﹤0.01% |
+14,900
| New | +$175K |
|
3548
CALL
PubMatic
PUBM
$804M
| $204K | ﹤0.01% |
+24,600
| New | +$250K |
|
|
EU
3549
PUT
enCore Energy
EU
$268M
| $203K | ﹤0.01% |
+63,100
| New | +$170K |
|
3550
PUT
Arvinas
ARVN
$588M
| $202K | ﹤0.01% |
23,700
-15,300
| -39% | -$116K |
|
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.