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 | |
|---|---|---|---|---|---|---|
3826
iShares 1-3 Year Treasury Bond ETF
SHY
$25.4B
| $601K | ﹤0.01% |
+7,276
| New | +$602K |
|
|
DEA
3827
CALL
Easterly Government Properties
DEA
$1.17B
| $600K | ﹤0.01% |
+28,000
| New | +$640K |
|
3828
Ventas
VTR
$47.5B
| $600K | ﹤0.01% |
+7,331
| New | +$600K |
|
3829
Elbit Systems
ESLT
$35.4B
| $599K | ﹤0.01% |
+706
| New | +$544K |
|
3830
CALL
Senseonics Holdings Inc
SENS
$267M
| $599K | ﹤0.01% |
90,000
-41,500
| -32% | -$293K |
|
|
PMT
3831
PUT
PennyMac Mortgage Investment
PMT
$855M
| $598K | ﹤0.01% |
51,300
+5,100
| +11% | +$62.9K |
|
3832
PUT
Vermilion Energy
VET
$1.56B
| $598K | ﹤0.01% |
43,400
-46,500
| -52% | -$493K |
|
3833
PUT
W.R. Berkley
WRB
$26.9B
| $597K | ﹤0.01% |
9,000
-11,000
| -55% | -$758K |
|
3834
PUT
Blue Bird Corp
BLBD
$2.58B
| $596K | ﹤0.01% |
10,500
-2,200
| -17% | -$119K |
|
3835
Euronet Worldwide
EEFT
$3.1B
| $596K | ﹤0.01% |
8,982
-13,137
| -59% | -$940K |
|
|
USAS
3836
CALL
Americas Gold and Silver
USAS
$1.39B
| $596K | ﹤0.01% |
+114,100
| New | +$833K |
|
3837
PUT
Krispy Kreme
DNUT
$552M
| $595K | ﹤0.01% |
175,600
-31,300
| -15% | -$108K |
|
3838
CoreCivic
CXW
$3.15B
| $595K | ﹤0.01% |
31,476
-19,492
| -38% | -$368K |
|
3839
Inspire Medical Systems
INSP
$1.53B
| $594K | ﹤0.01% |
+11,518
| New | +$806K |
|
3840
PUT
Bank of Hawaii
BOH
$3.34B
| $594K | ﹤0.01% |
+8,000
| New | +$595K |
|
3841
CALL
Power Integrations
POWI
$3.96B
| $594K | ﹤0.01% |
11,600
-600
| -5% | -$27.5K |
|
3842
PUT
Limbach Holdings
LMB
$880M
| $593K | ﹤0.01% |
+7,600
| New | +$640K |
|
3843
CALL
Kaspi.kz JSC
KSPI
$16.8B
| $593K | ﹤0.01% |
8,000
-2,100
| -21% | -$158K |
|
3844
PUT
Corcept Therapeutics
CORT
$9.83B
| $593K | ﹤0.01% |
14,700
-8,300
| -36% | -$310K |
|
3845
Gildan
GIL
$10.1B
| $592K | ﹤0.01% |
+10,645
| New | +$688K |
|
3846
CarMax
KMX
$7.93B
| $592K | ﹤0.01% |
14,243
-58,724
| -80% | -$2.57M |
|
3847
Bit Digital
BTBT
$558M
| $592K | ﹤0.01% |
451,660
-494,559
| -52% | -$908K |
|
3848
Fluence Energy
FLNC
$2.03B
| $591K | ﹤0.01% |
42,951
-2,295
| -5% | -$46K |
|
3849
PUT
American Battery Technology Co
ABAT
$334M
| $591K | ﹤0.01% |
211,800
+56,700
| +37% | +$219K |
|
|
3850
CALL
Euronet Worldwide
EEFT
$3.1B
| $591K | ﹤0.01% |
+8,900
| New | +$637K |
|
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.