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 |
Sprott Physical Silver Trust
PSLV
|
+$344M |
| 2 |
State Street SPDR S&P 500 ETF Trust
SPY
|
+$297M |
| 3 |
Tesla
TSLA
|
+$235M |
| 4 |
Sprott Physical Gold and Silver Trust
CEF
|
+$177M |
| 5 |
Meta Platforms (Facebook)
META
|
+$120M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Invesco QQQ Trust
QQQ
|
+$426M |
| 2 |
iShares Russell 2000 ETF
IWM
|
+$390M |
| 3 |
NVIDIA
NVDA
|
+$72.8M |
| 4 |
Broadcom
AVGO
|
+$66.7M |
| 5 |
AST SpaceMobile
ASTS
|
+$62.2M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 0.58% |
| 2 | Consumer Discretionary | 0.39% |
| 3 | Financials | 0.16% |
| 4 | Communication Services | 0.13% |
| 5 | Industrials | 0.12% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
4376
PUT
Appian
APPN
$1.74B
| $359K | ﹤0.01% |
14,900
-129,500
| -90% | -$3.52M |
|
4377
PUT
Prairie Operating Co
PROP
$78.2M
| $359K | ﹤0.01% |
+176,900
| New | +$320K |
|
4378
PUT
Dorian LPG
LPG
$1.94B
| $359K | ﹤0.01% |
+10,500
| New | +$332K |
|
4379
CALL
Gaotu Techedu
GOTU
$372M
| $359K | ﹤0.01% |
183,100
+45,100
| +33% | +$98.7K |
|
4380
iQIYI
IQ
$1.18B
| $359K | ﹤0.01% |
265,714
+78,716
| +42% | +$136K |
|
|
NUVL
4381
CALL
DELISTED
Nuvalent
NUVL
| $359K | ﹤0.01% |
+3,500
| New | +$357K |
|
|
ABX
4382
PUT
Abacus Global Management
ABX
$996M
| $359K | ﹤0.01% |
45,500
+7,400
| +19% | +$64.2K |
|
4383
O-I Glass
OI
$1.39B
| $359K | ﹤0.01% |
34,112
+8,359
| +32% | +$115K |
|
4384
Atmos Energy
ATO
$29.9B
| $358K | ﹤0.01% |
+1,936
| New | +$342K |
|
4385
EPR Properties
EPR
$4.86B
| $358K | ﹤0.01% |
+7,157
| New | +$394K |
|
4386
PUT
Banco Bilbao Vizcaya Argentaria
BBVA
$144B
| $357K | ﹤0.01% |
+16,500
| New | +$382K |
|
4387
PUT
Sprout Social
SPT
$455M
| $357K | ﹤0.01% |
+62,700
| New | +$483K |
|
4388
CALL
Upbound Group
UPBD
$1.19B
| $357K | ﹤0.01% |
+19,800
| New | +$386K |
|
4389
StealthGas
GASS
$328M
| $357K | ﹤0.01% |
+38,920
| New | +$328K |
|
4390
CALL
RenaissanceRe
RNR
$13.8B
| $357K | ﹤0.01% |
+1,200
| New | +$348K |
|
|
CAN
4391
CALL
Canaan Creative
CAN
$176M
| $356K | ﹤0.01% |
824,300
-165,000
| -17% | -$96.5K |
|
4392
CALL
Eton Pharmaceutcials
ETON
$1.17B
| $355K | ﹤0.01% |
+14,400
| New | +$252K |
|
4393
PUT
Fomento Económico Mexicano
FMX
$43.3B
| $355K | ﹤0.01% |
3,200
-12,400
| -79% | -$1.33M |
|
4394
MGIC Investment
MTG
$6.27B
| $354K | ﹤0.01% |
+13,483
| New | +$360K |
|
4395
Bath & Body Works
BBWI
$4.01B
| $354K | ﹤0.01% |
+18,951
| New | +$410K |
|
4396
CALL
Flex
FLEX
$43.4B
| $353K | ﹤0.01% |
5,400
-46,900
| -90% | -$3M |
|
4397
PUT
Coty
COTY
$2.33B
| $353K | ﹤0.01% |
175,800
+93,500
| +114% | +$251K |
|
4398
CALL
Park Hotels & Resorts
PK
$2.97B
| $353K | ﹤0.01% |
+33,500
| New | +$370K |
|
4399
PUT
Brookfield Renewable
BEP
$10B
| $353K | ﹤0.01% |
10,800
-3,000
| -22% | -$90.4K |
|
4400
PUT
ProShares UltraShort Semiconductors
SSG
$47.7M
| $352K | ﹤0.01% |
5,600
-14,300
| -72% | -$405K |
|
Similar funds
IMC Chicago's Q1 2026 Portfolio in Review
As of Q1 2026, IMC Chicago held 6,062 positions worth $278B, up 1.1% from $275B the previous quarter. Its ten largest holdings account for 38% of the portfolio.
IMC Chicago deployed $22.2B of net new capital in Q1 2026, opening 2,049 new positions and adding to 1,848 existing holdings. Its largest new stake was State Street SPDR S&P 500 ETF Trust: 436,397 shares worth $284M.
By sector, the portfolio is most concentrated in Technology at 0.58% of assets, up from 0.56% a quarter earlier, followed by Consumer Discretionary and Financials.
On the sell side, the largest reduction was Broadcom, an estimated $66.7M trimmed.
- IMC Chicago's largest Q1 2026 buy was State Street SPDR S&P 500 ETF Trust: 436,397 shares worth $284M.
- IMC Chicago added most to Sprott Physical Silver Trust in Q1 2026, an estimated $344M increase.
- IMC Chicago's biggest Q1 2026 reduction was Broadcom, cutting an estimated $66.7M.
- IMC Chicago fully exited Invesco QQQ Trust in Q1 2026, selling an estimated $426M.
- IMC Chicago's ten largest holdings make up 38% of its $278B portfolio in Q1 2026.
- IMC Chicago opened 2,049 new positions and closed 389 in Q1 2026.
- IMC Chicago's portfolio value rose 1.1% quarter-over-quarter to $278B.
Based on IMC Chicago's 13F filing for Q1 2026, filed 5 May 2026.