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 |
iShares Russell 2000 ETF
IWM
|
+$302M |
| 2 |
Invesco QQQ Trust
QQQ
|
+$170M |
| 3 |
Broadcom
AVGO
|
+$164M |
| 4 |
Tesla
TSLA
|
+$158M |
| 5 |
Palantir
PLTR
|
+$109M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
iShares Bitcoin Trust
IBIT
|
+$167M |
| 2 |
Applovin
APP
|
+$126M |
| 3 |
JD.com
JD
|
+$103M |
| 4 |
Amazon
AMZN
|
+$97.8M |
| 5 |
Vanguard S&P 500 ETF
VOO
|
+$90.4M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 0.56% |
| 2 | Consumer Discretionary | 0.3% |
| 3 | Communication Services | 0.16% |
| 4 | Financials | 0.13% |
| 5 | Industrials | 0.11% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
3751
PUT
AbCellera Biologics
ABCL
$2.12B
| $325K | ﹤0.01% |
95,000
+47,400
| +100% | +$212K |
|
3752
Starwood Property Trust
STWD
$6.09B
| $325K | ﹤0.01% |
+18,018
| New | +$331K |
|
3753
PUT
Village Farms International
VFF
$253M
| $324K | ﹤0.01% |
+88,800
| New | +$309K |
|
|
NNDM
3754
Nano Dimension
NNDM
$343M
| $324K | ﹤0.01% |
210,181
-174,268
| -45% | -$295K |
|
3755
PUT
Xerox
XRX
$425M
| $323K | ﹤0.01% |
136,300
-43,700
| -24% | -$129K |
|
3756
PUT
Algoma Steel
ASTL
$431M
| $323K | ﹤0.01% |
78,700
-37,100
| -32% | -$148K |
|
|
CAN
3757
Canaan Creative
CAN
$159M
| $322K | ﹤0.01% |
467,299
-124,970
| -21% | -$143K |
|
3758
CALL
WisdomTree
WT
$3.22B
| $322K | ﹤0.01% |
+26,400
| New | +$319K |
|
|
CWVX
3759
PUT
Tradr 2X Long CRWV Daily ETF
CWVX
$116M
| $321K | ﹤0.01% |
+14,700
| New | +$829K |
|
3760
CALL
Ichor Holdings
ICHR
$2.56B
| $321K | ﹤0.01% |
17,400
+2,600
| +18% | +$48.2K |
|
3761
CALL
Gaotu Techedu
GOTU
$436M
| $320K | ﹤0.01% |
138,000
-10,300
| -7% | -$27.9K |
|
|
NMAX
3762
Newsmax Inc
NMAX
$1.16B
| $320K | ﹤0.01% |
+41,383
| New | +$398K |
|
|
DX
3763
Dynex Capital
DX
$3.21B
| $320K | ﹤0.01% |
22,828
-1,656
| -7% | -$22.4K |
|
3764
PG&E
PCG
$38.5B
| $319K | ﹤0.01% |
19,838
-76,903
| -79% | -$1.23M |
|
3765
Rayonier
RYN
$6.55B
| $318K | ﹤0.01% |
+14,709
| New | +$333K |
|
3766
CALL
Ocugen
OCGN
$434M
| $318K | ﹤0.01% |
+235,600
| New | +$335K |
|
3767
CALL
10x Genomics
TXG
$6.61B
| $318K | ﹤0.01% |
+19,500
| New | +$295K |
|
3768
CorMedix
CRMD
$584M
| $318K | ﹤0.01% |
+27,342
| New | +$302K |
|
|
KC
3769
Kingsoft Cloud Holdings
KC
$3.69B
| $318K | ﹤0.01% |
30,721
-99,452
| -76% | -$1.22M |
|
3770
CALL
Genmab
GMAB
$19.5B
| $317K | ﹤0.01% |
+10,300
| New | +$321K |
|
|
MOMO
3771
CALL
Hello Group
MOMO
$866M
| $317K | ﹤0.01% |
48,400
+9,700
| +25% | +$66.8K |
|
3772
Sinclair Inc
SBGI
$1.03B
| $317K | ﹤0.01% |
+20,719
| New | +$308K |
|
3773
CALL
Revolve Group
RVLV
$1.73B
| $317K | ﹤0.01% |
10,500
-2,800
| -21% | -$67.6K |
|
3774
CALL
Petco
WOOF
$794M
| $316K | ﹤0.01% |
112,600
+5,700
| +5% | +$18.5K |
|
|
DGXX
3775
PUT
Digi Power X Inc
DGXX
$385M
| $316K | ﹤0.01% |
+124,000
| New | +$465K |
|
Similar funds
IMC Chicago's Q4 2025 Portfolio in Review
As of Q4 2025, IMC Chicago held 4,538 positions worth $275B, up 0.14% from $275B the previous quarter. Its ten largest holdings account for 36% of the portfolio.
IMC Chicago's Q4 2025 filing shows 985 new, 1,665 increased, 1,358 reduced and 525 closed positions. Its largest new stake was Palantir: 601,853 shares worth $107M. The largest sale was iShares Bitcoin Trust, an estimated $167M.
By sector, the portfolio is most concentrated in Technology at 0.56% of assets, up from 0.33% a quarter earlier, followed by Consumer Discretionary and Communication Services.
- IMC Chicago's largest Q4 2025 buy was Palantir: 601,853 shares worth $107M.
- IMC Chicago added most to iShares Russell 2000 ETF in Q4 2025, an estimated $302M increase.
- IMC Chicago's biggest Q4 2025 reduction was iShares Bitcoin Trust, cutting an estimated $167M.
- IMC Chicago fully exited Amazon in Q4 2025, selling an estimated $97.8M.
- IMC Chicago's ten largest holdings make up 36% of its $275B portfolio in Q4 2025.
- IMC Chicago opened 985 new positions and closed 525 in Q4 2025.
- IMC Chicago's portfolio value rose 0.14% quarter-over-quarter to $275B.
Based on IMC Chicago's 13F filing for Q4 2025, filed 29 Jan 2026.