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 | |
|---|---|---|---|---|---|---|
|
AIRO
5151
CALL
AIRO Group Holdings
AIRO
$213M
| $157K | ﹤0.01% |
20,700
-14,200
| -41% | -$148K |
|
5152
Adtran
ADTN
$798M
| $156K | ﹤0.01% |
+12,429
| New | +$126K |
|
5153
Oaktree Specialty Lending
OCSL
$1.03B
| $156K | ﹤0.01% |
+13,765
| New | +$165K |
|
5154
CALL
The Oncology Institute
TOI
$497M
| $155K | ﹤0.01% |
+50,500
| New | +$155K |
|
|
NAVN
5155
PUT
Navan Inc
NAVN
$5.9B
| $155K | ﹤0.01% |
11,700
-2,000
| -15% | -$23.8K |
|
5156
CALL
Arhaus
ARHS
$1.12B
| $155K | ﹤0.01% |
+22,800
| New | +$207K |
|
5157
CALL
Paysign
PAYS
$485M
| $155K | ﹤0.01% |
+26,200
| New | +$106K |
|
|
LOMA
5158
CALL
Loma Negra
LOMA
$1.33B
| $154K | ﹤0.01% |
+13,900
| New | +$155K |
|
5159
NatWest
NWG
$71.4B
| $154K | ﹤0.01% |
+10,340
| New | +$172K |
|
5160
PUT
Korea Electric Power
KEP
$15.5B
| $154K | ﹤0.01% |
10,800
-4,600
| -30% | -$87.1K |
|
5161
PUT
Vodafone
VOD
$34.9B
| $153K | ﹤0.01% |
10,200
-27,800
| -73% | -$406K |
|
5162
GoodRx Holdings
GDRX
$1B
| $153K | ﹤0.01% |
77,904
-46,254
| -37% | -$109K |
|
5163
CALL
Prairie Operating Co
PROP
$78.2M
| $152K | ﹤0.01% |
+75,000
| New | +$135K |
|
5164
PUT
FIGS
FIGS
$1.59B
| $152K | ﹤0.01% |
10,300
-14,100
| -58% | -$181K |
|
5165
PUT
Xperi
XPER
$366M
| $152K | ﹤0.01% |
+27,100
| New | +$157K |
|
5166
Bloomin' Brands
BLMN
$679M
| $151K | ﹤0.01% |
+28,026
| New | +$179K |
|
5167
Strive Inc
ASST
$961M
| $151K | ﹤0.01% |
+15,101
| New | +$188K |
|
|
CGC
5168
PUT
Canopy Growth
CGC
$377M
| $151K | ﹤0.01% |
159,300
-245,000
| -61% | -$270K |
|
5169
PUT
Black Stone Minerals
BSM
$3.12B
| $151K | ﹤0.01% |
+10,000
| New | +$148K |
|
5170
CALL
Sprout Social
SPT
$455M
| $151K | ﹤0.01% |
+26,500
| New | +$204K |
|
5171
Marqeta
MQ
$1.8B
| $151K | ﹤0.01% |
9,225
-29,733
| -76% | -$501K |
|
5172
Virgin Galactic
SPCE
$321M
| $150K | ﹤0.01% |
+61,889
| New | +$168K |
|
5173
PUT
Altimmune
ALT
$537M
| $150K | ﹤0.01% |
48,800
-208,600
| -81% | -$886K |
|
5174
Nano X Imaging
NNOX
$62.3M
| $150K | ﹤0.01% |
+66,201
| New | +$174K |
|
|
PMT
5175
PennyMac Mortgage Investment
PMT
$848M
| $150K | ﹤0.01% |
+12,875
| New | +$159K |
|
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.