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 | |
|---|---|---|---|---|---|---|
3726
CALL
NGL Energy Partners
NGL
$1.96B
| $663K | ﹤0.01% |
53,800
+28,200
| +110% | +$320K |
|
|
INFQ
3727
PUT
Infleqtion Inc
INFQ
$2.16B
| $663K | ﹤0.01% |
+67,600
| New | +$769K |
|
3728
PACS Group
PACS
$7.21B
| $663K | ﹤0.01% |
20,641
+1,629
| +9% | +$59.9K |
|
3729
PUT
Huron Consulting
HURN
$1.8B
| $663K | ﹤0.01% |
+5,200
| New | +$782K |
|
3730
CALL
Ocular Therapeutix
OCUL
$1.96B
| $662K | ﹤0.01% |
78,100
+42,800
| +121% | +$408K |
|
3731
CALL
Yelp
YELP
$1.42B
| $661K | ﹤0.01% |
26,700
+1,700
| +7% | +$43K |
|
3732
Flywire
FLYW
$2.16B
| $660K | ﹤0.01% |
+56,704
| New | +$713K |
|
3733
PUT
BellRing Brands
BRBR
$1.47B
| $660K | ﹤0.01% |
41,000
+10,000
| +32% | +$202K |
|
3734
CALL
Piper Sandler
PIPR
$5.22B
| $658K | ﹤0.01% |
+8,600
| New | +$706K |
|
|
EH
3735
EHang Holdings
EH
$403M
| $657K | ﹤0.01% |
67,626
-61,119
| -47% | -$752K |
|
3736
CALL
Roivant Sciences
ROIV
$25.1B
| $656K | ﹤0.01% |
23,700
-419,800
| -95% | -$10.8M |
|
3737
PUT
Sally Beauty Holdings
SBH
$1.42B
| $656K | ﹤0.01% |
+47,400
| New | +$723K |
|
3738
CALL
Honda
HMC
$37.1B
| $656K | ﹤0.01% |
27,000
-19,600
| -42% | -$568K |
|
|
GOOS
3739
Canada Goose Holdings
GOOS
$951M
| $656K | ﹤0.01% |
59,789
+11,469
| +24% | +$138K |
|
3740
CALL
Jack in the Box
JACK
$282M
| $656K | ﹤0.01% |
67,800
+14,600
| +27% | +$258K |
|
3741
CALL
Americold
COLD
$4.38B
| $656K | ﹤0.01% |
57,200
-12,200
| -18% | -$153K |
|
3742
PUT
Better Home & Finance Holding
BETR
$446M
| $655K | ﹤0.01% |
18,400
+6,600
| +56% | +$212K |
|
3743
PUT
Pinnacle West Capital
PNW
$12.8B
| $655K | ﹤0.01% |
+6,500
| New | +$627K |
|
3744
CALL
Palladyne AI
PDYN
$248M
| $654K | ﹤0.01% |
107,700
+19,600
| +22% | +$133K |
|
3745
PUT
Essex Property Trust
ESS
$18.9B
| $653K | ﹤0.01% |
+2,700
| New | +$681K |
|
3746
CALL
Arch Capital
ACGL
$35.1B
| $653K | ﹤0.01% |
6,800
-4,900
| -42% | -$469K |
|
3747
Neurocrine Biosciences
NBIX
$18B
| $652K | ﹤0.01% |
+4,951
| New | +$657K |
|
3748
PUT
UL Solutions
ULS
$17.2B
| $651K | ﹤0.01% |
+7,600
| New | +$599K |
|
3749
CALL
Loews
L
$23.6B
| $651K | ﹤0.01% |
6,100
-6,000
| -50% | -$642K |
|
3750
PUT
ProShares UltraShort Health Care
RXD
$3.35M
| $650K | ﹤0.01% |
9,250
-11,100
| -55% | -$204K |
|
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.