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 | |
|---|---|---|---|---|---|---|
3976
PUT
Papa John's
PZZA
$989M
| $535K | ﹤0.01% |
16,500
-21,400
| -56% | -$743K |
|
3977
Federal Agricultural Mortgage
AGM
$2.22B
| $533K | ﹤0.01% |
+3,596
| New | +$588K |
|
3978
CALL
Sturm, Ruger & Co
RGR
$607M
| $533K | ﹤0.01% |
13,300
-3,100
| -19% | -$118K |
|
3979
PUT
ProShares Ultra Bitcoin ETF
BITU
$362M
| $533K | ﹤0.01% |
45,800
+34,700
| +313% | +$561K |
|
3980
CALL
Ryan Specialty Holdings
RYAN
$5.07B
| $533K | ﹤0.01% |
15,800
+2,500
| +19% | +$107K |
|
3981
CALL
Sprott Junior Uranium Miners ETF
URNJ
$322M
| $533K | ﹤0.01% |
18,200
-6,300
| -26% | -$202K |
|
3982
CALL
Loar Holdings
LOAR
$6.53B
| $533K | ﹤0.01% |
+9,300
| New | +$627K |
|
3983
PUT
UGI
UGI
$7.9B
| $532K | ﹤0.01% |
+14,600
| New | +$549K |
|
3984
CALL
NovaGold Resources
NG
$2.62B
| $532K | ﹤0.01% |
59,200
+22,500
| +61% | +$231K |
|
|
BRSL
3985
PUT
Brightstar Lottery PLC
BRSL
$1.88B
| $531K | ﹤0.01% |
41,700
-85,200
| -67% | -$1.17M |
|
3986
CALL
Dorian LPG
LPG
$1.93B
| $530K | ﹤0.01% |
15,500
-900
| -5% | -$28.5K |
|
|
FPS
3987
PUT
Forgent Power Solutions
FPS
$10.3B
| $530K | ﹤0.01% |
+18,100
| New | +$602K |
|
3988
PUT
Harmony Biosciences
HRMY
$2.07B
| $529K | ﹤0.01% |
18,900
+6,400
| +51% | +$210K |
|
3989
CALL
Chemed
CHE
$6.62B
| $529K | ﹤0.01% |
+1,400
| New | +$600K |
|
3990
PUT
Green Plains
GPRE
$1.22B
| $526K | ﹤0.01% |
32,000
-79,900
| -71% | -$1.09M |
|
3991
CALL
Alto Ingredients
ALTO
$388M
| $525K | ﹤0.01% |
+108,500
| New | +$344K |
|
3992
Woodside Energy
WDS
$42.8B
| $525K | ﹤0.01% |
+21,979
| New | +$427K |
|
|
APLX
3993
Tradr 2X Long APLD Daily ETF
APLX
$69.3M
| $525K | ﹤0.01% |
+48,000
| New | +$1.15M |
|
3994
ETRACS Quarterly Pay 1.5x Leveraged Alerian MLP Index ETN
MLPR
$22.4M
| $525K | ﹤0.01% |
+7,427
| New | +$494K |
|
3995
AMC Entertainment Holdings
AMC
$1.95B
| $524K | ﹤0.01% |
534,974
+180,677
| +51% | +$233K |
|
3996
CALL
Penske Automotive Group
PAG
$14.1B
| $523K | ﹤0.01% |
+3,500
| New | +$554K |
|
|
TIC
3997
CALL
TIC Solutions Inc
TIC
$1.51B
| $523K | ﹤0.01% |
+79,500
| New | +$748K |
|
3998
PUT
Cemex
CX
$17.7B
| $523K | ﹤0.01% |
45,700
+25,000
| +121% | +$298K |
|
3999
PUT
Solventum
SOLV
$13.3B
| $522K | ﹤0.01% |
8,000
-4,700
| -37% | -$349K |
|
|
GEMI
4000
CALL
Gemini Space Station
GEMI
$551M
| $522K | ﹤0.01% |
118,000
-228,100
| -66% | -$1.79M |
|
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.