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 | |
|---|---|---|---|---|---|---|
3276
CALL
Global Ship Lease
GSL
$1.53B
| $669K | ﹤0.01% |
19,100
+8,400
| +79% | +$273K |
|
|
RNMN
3277
CALL
RiverNorth Market Neutral ETF
RNMN
$7.17M
| $669K | ﹤0.01% |
+70,100
| New | +$2M |
|
3278
Rithm Capital
RITM
$5.69B
| $668K | ﹤0.01% |
61,251
+13,685
| +29% | +$151K |
|
3279
JPMorgan Nasdaq Equity Premium Income ETF
JEPQ
$41.4B
| $668K | ﹤0.01% |
+11,485
| New | +$667K |
|
3280
FuboTV Inc
FUBO
$273M
| $667K | ﹤0.01% |
+22,048
| New | +$880K |
|
3281
PUT
Freshworks
FRSH
$3.27B
| $665K | ﹤0.01% |
54,300
+8,600
| +19% | +$102K |
|
3282
PUT
DXC Technology
DXC
$1.73B
| $665K | ﹤0.01% |
45,400
+7,600
| +20% | +$105K |
|
|
CGAU
3283
Centerra Gold
CGAU
$4.15B
| $663K | ﹤0.01% |
+46,160
| New | +$578K |
|
|
HNGE
3284
Hinge Health
HNGE
$7.21B
| $663K | ﹤0.01% |
+14,273
| New | +$687K |
|
3285
CALL
SLM Corp
SLM
$5.15B
| $663K | ﹤0.01% |
24,500
-26,300
| -52% | -$721K |
|
3286
Perrigo
PRGO
$1.78B
| $661K | ﹤0.01% |
47,513
+16,735
| +54% | +$279K |
|
|
LB
3287
PUT
LandBridge Co
LB
$2.1B
| $661K | ﹤0.01% |
+13,500
| New | +$785K |
|
3288
PUT
Bumble
BMBL
$373M
| $660K | ﹤0.01% |
184,900
+38,400
| +26% | +$170K |
|
|
PPLI
3289
People Inc
PPLI
$3.1B
| $660K | ﹤0.01% |
16,875
-5,035
| -23% | -$176K |
|
3290
PUT
Meritage Homes
MTH
$4.86B
| $658K | ﹤0.01% |
10,000
-7,500
| -43% | -$519K |
|
3291
CALL
Qfin Holdings
QFIN
$1.61B
| $657K | ﹤0.01% |
+34,100
| New | +$766K |
|
3292
Schwab US Large-Cap Growth ETF
SCHG
$62.9B
| $657K | ﹤0.01% |
20,142
-4,907
| -20% | -$160K |
|
3293
Xtrackers Harvest CSI 300 China A-Shares ETF
ASHR
$1.6B
| $656K | ﹤0.01% |
+19,983
| New | +$655K |
|
3294
PUT
Aramark
ARMK
$14.7B
| $656K | ﹤0.01% |
17,800
-5,900
| -25% | -$225K |
|
3295
CALL
Vanguard FTSE Developed Markets ETF
VEA
$237B
| $656K | ﹤0.01% |
10,500
-800
| -7% | -$49K |
|
3296
Concentrix
CNXC
$1.57B
| $655K | ﹤0.01% |
15,762
-18,787
| -54% | -$762K |
|
3297
CALL
Xerox
XRX
$425M
| $655K | ﹤0.01% |
276,400
+20,300
| +8% | +$60.1K |
|
3298
VICI Properties
VICI
$29.4B
| $654K | ﹤0.01% |
+23,257
| New | +$691K |
|
|
SW
3299
PUT
Smurfit Westrock
SW
$25.3B
| $654K | ﹤0.01% |
+16,900
| New | +$644K |
|
3300
Samsara
IOT
$23.8B
| $653K | ﹤0.01% |
18,433
-61,221
| -77% | -$2.37M |
|
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.