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 | |
|---|---|---|---|---|---|---|
|
PONY
2451
PUT
Pony AI Inc
PONY
$3.68B
| $1.96M | ﹤0.01% |
+135,100
| New | +$2.25M |
|
2452
CALL
Mirion Technologies
MIR
$3.8B
| $1.96M | ﹤0.01% |
83,600
+68,600
| +457% | +$1.71M |
|
2453
PUT
Euronet Worldwide
EEFT
$2.64B
| $1.96M | ﹤0.01% |
25,700
+12,600
| +96% | +$982K |
|
2454
ProShares Short VIX Short-Term Futures ETF
SVXY
$231M
| $1.95M | ﹤0.01% |
35,284
-32,288
| -48% | -$1.63M |
|
2455
CALL
Array Technologies
ARRY
$824M
| $1.95M | ﹤0.01% |
211,700
-33,100
| -14% | -$284K |
|
2456
PUT
Cedar Fair
FUN
$1.63B
| $1.95M | ﹤0.01% |
127,200
+95,700
| +304% | +$1.73M |
|
2457
PUT
Sempra
SRE
$55.9B
| $1.95M | ﹤0.01% |
22,100
-37,100
| -63% | -$3.38M |
|
2458
CALL
Leonardo DRS
DRS
$11.9B
| $1.95M | ﹤0.01% |
57,200
+11,600
| +25% | +$428K |
|
|
ARR
2459
CALL
Armour Residential REIT
ARR
$2.36B
| $1.95M | ﹤0.01% |
110,200
-19,700
| -15% | -$327K |
|
2460
PUT
Cheesecake Factory
CAKE
$5.63B
| $1.95M | ﹤0.01% |
38,600
-13,900
| -26% | -$697K |
|
2461
CALL
Beyond Meat
BYND
$215M
| $1.95M | ﹤0.01% |
2,375,500
+2,193,300
| +1,204% | +$3.05M |
|
2462
PUT
Exelixis
EXEL
$12.7B
| $1.94M | ﹤0.01% |
44,300
+14,900
| +51% | +$616K |
|
|
BNY
2463
Bank of New York Mellon
BNY
$109B
| $1.94M | ﹤0.01% |
+16,701
| New | +$1.85M |
|
2464
PUT
Yum China
YUMC
$16.3B
| $1.94M | ﹤0.01% |
40,600
-9,500
| -19% | -$435K |
|
2465
PUT
New Oriental
EDU
$8.84B
| $1.94M | ﹤0.01% |
35,200
+4,100
| +13% | +$225K |
|
2466
CALL
Fox Class A
FOXA
$26.1B
| $1.94M | ﹤0.01% |
26,500
-2,700
| -9% | -$176K |
|
2467
PUT
Magna International
MGA
$18.8B
| $1.93M | ﹤0.01% |
36,300
-6,800
| -16% | -$332K |
|
|
MPT
2468
CALL
Medical Properties Trust
MPT
$2.4B
| $1.93M | ﹤0.01% |
386,500
-42,800
| -10% | -$223K |
|
2469
GDS Holdings
GDS
$6.54B
| $1.93M | ﹤0.01% |
+55,332
| New | +$1.91M |
|
2470
CALL
W.P. Carey
WPC
$15.9B
| $1.93M | ﹤0.01% |
30,000
+13,500
| +82% | +$899K |
|
2471
PUT
Xcel Energy
XEL
$48.5B
| $1.93M | ﹤0.01% |
26,100
+7,100
| +37% | +$560K |
|
|
XIFR
2472
PUT
XPLR Infrastructure LP
XIFR
$1.08B
| $1.93M | ﹤0.01% |
192,600
-22,900
| -11% | -$222K |
|
2473
AdvisorShares Pure US Cannabis ETF
MSOS
$930M
| $1.92M | ﹤0.01% |
406,052
+149,771
| +58% | +$667K |
|
|
BBBY
2474
CALL
Bed Bath & Beyond
BBBY
$407M
| $1.92M | ﹤0.01% |
350,900
-47,080
| -12% | -$342K |
|
2475
PUT
Restaurant Brands International
QSR
$25.6B
| $1.91M | ﹤0.01% |
28,000
-1,500
| -5% | -$103K |
|
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.