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 | |
|---|---|---|---|---|---|---|
4251
CALL
Fomento Económico Mexicano
FMX
$43.5B
| $411K | ﹤0.01% |
+3,700
| New | +$398K |
|
4252
PUT
Avantor
AVTR
$7.78B
| $411K | ﹤0.01% |
52,400
-15,600
| -23% | -$153K |
|
4253
Innovative Solutions & Support
ISSC
$346M
| $410K | ﹤0.01% |
+19,979
| New | +$463K |
|
|
4254
CALL
Avantor
AVTR
$7.78B
| $410K | ﹤0.01% |
52,300
-69,200
| -57% | -$681K |
|
4255
CALL
American Financial Group
AFG
$11.7B
| $409K | ﹤0.01% |
+3,200
| New | +$416K |
|
|
LIF
4256
PUT
Life360
LIF
$3.99B
| $408K | ﹤0.01% |
+10,000
| New | +$517K |
|
4257
PUT
Photronics
PLAB
$1.81B
| $408K | ﹤0.01% |
+10,100
| New | +$365K |
|
4258
GraniteShares 2x Long TSLA Daily ETF
TSLR
$53.8M
| $408K | ﹤0.01% |
+19,734
| New | +$517K |
|
4259
Enovix
ENVX
$910M
| $407K | ﹤0.01% |
+78,595
| New | +$492K |
|
4260
PUT
Legend Biotech
LEGN
$4.46B
| $407K | ﹤0.01% |
22,500
-4,100
| -15% | -$78.2K |
|
4261
iShares MSCI USA Momentum Factor ETF
MTUM
$25.9B
| $406K | ﹤0.01% |
+1,692
| New | +$425K |
|
4262
Jones Lang LaSalle
JLL
$15.1B
| $406K | ﹤0.01% |
+1,333
| New | +$431K |
|
4263
CALL
Zillow
ZG
$6.82B
| $406K | ﹤0.01% |
+9,800
| New | +$517K |
|
4264
PUT
Tecnoglass
TGLS
$1.95B
| $405K | ﹤0.01% |
+9,100
| New | +$439K |
|
|
SMC
4265
CALL
Summit Midstream
SMC
$418M
| $405K | ﹤0.01% |
+13,400
| New | +$391K |
|
4266
PUT
Service Corp International
SCI
$11B
| $404K | ﹤0.01% |
+4,900
| New | +$396K |
|
|
MQQQ
4267
CALL
Tradr 2X Long Innovation 100 Monthly ETF
MQQQ
$210M
| $403K | ﹤0.01% |
+14,800
| New | +$2.6M |
|
4268
PUT
Alliant Energy
LNT
$19.4B
| $402K | ﹤0.01% |
+5,600
| New | +$386K |
|
4269
YieldMax Ultra Option Income Strategy ETF
ULTY
$808M
| $402K | ﹤0.01% |
13,099
-162,172
| -93% | -$5.64M |
|
4270
PUT
Patterson-UTI
PTEN
$3.95B
| $401K | ﹤0.01% |
37,000
-31,300
| -46% | -$268K |
|
4271
CALL
ICU Medical
ICUI
$3.9B
| $400K | ﹤0.01% |
+3,100
| New | +$446K |
|
4272
PUT
Cerence
CRNC
$391M
| $400K | ﹤0.01% |
63,400
-15,800
| -20% | -$142K |
|
|
BBBY
4273
Bed Bath & Beyond
BBBY
$471M
| $400K | ﹤0.01% |
86,196
+44,867
| +109% | +$251K |
|
4274
Revvity
RVTY
$12.6B
| $400K | ﹤0.01% |
+4,563
| New | +$452K |
|
4275
PUT
Agree Realty
ADC
$9.64B
| $400K | ﹤0.01% |
+5,300
| New | +$402K |
|
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.