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 | |
|---|---|---|---|---|---|---|
3576
CALL
Invesco DB US Dollar Index Bearish Fund
UDN
$107M
| $752K | ﹤0.01% |
41,800
+6,700
| +19% | +$122K |
|
3577
CALL
Clover Health Investments
CLOV
$2.51B
| $752K | ﹤0.01% |
427,400
-161,300
| -27% | -$350K |
|
3578
PUT
Perrigo
PRGO
$1.44B
| $752K | ﹤0.01% |
70,000
+6,500
| +10% | +$84.2K |
|
3579
PUT
Enviri
NVRI
$618M
| $751K | ﹤0.01% |
38,300
-41,200
| -52% | -$765K |
|
|
LAC
3580
Lithium Americas
LAC
$1.06B
| $751K | ﹤0.01% |
+190,011
| New | +$934K |
|
3581
Teucrium Corn Fund
CORN
$187M
| $750K | ﹤0.01% |
+40,779
| New | +$727K |
|
3582
Cintas
CTAS
$80.1B
| $748K | ﹤0.01% |
4,421
-6,682
| -60% | -$1.28M |
|
3583
CALL
Enova International
ENVA
$5.77B
| $747K | ﹤0.01% |
+5,500
| New | +$819K |
|
|
JHG
3584
DELISTED
Janus Henderson
JHG
| $747K | ﹤0.01% |
+14,535
| New | +$720K |
|
3585
ImmunityBio
IBRX
$8.43B
| $745K | ﹤0.01% |
+97,148
| New | +$665K |
|
3586
Century Aluminum
CENX
$4.43B
| $744K | ﹤0.01% |
12,680
-25,110
| -66% | -$1.26M |
|
3587
CALL
Bread Financial
BFH
$4.07B
| $741K | ﹤0.01% |
+9,900
| New | +$729K |
|
3588
CALL
SPS Commerce
SPSC
$2.29B
| $740K | ﹤0.01% |
+13,300
| New | +$958K |
|
3589
Factset
FDS
$8.87B
| $740K | ﹤0.01% |
+3,409
| New | +$796K |
|
3590
uniQure
QURE
$2.74B
| $737K | ﹤0.01% |
+45,080
| New | +$913K |
|
3591
PUT
BCE
BCE
$20.1B
| $737K | ﹤0.01% |
29,200
-8,300
| -22% | -$210K |
|
3592
CALL
Xometry
XMTR
$5.79B
| $735K | ﹤0.01% |
18,000
+3,300
| +22% | +$175K |
|
3593
iShares Core MSCI Emerging Markets ETF
IEMG
$154B
| $735K | ﹤0.01% |
+10,533
| New | +$760K |
|
|
CGAU
3594
PUT
Centerra Gold
CGAU
$3.16B
| $733K | ﹤0.01% |
+41,200
| New | +$733K |
|
3595
Kodiak Gas Services
KGS
$6.74B
| $732K | ﹤0.01% |
+12,551
| New | +$609K |
|
3596
Insmed
INSM
$23.3B
| $731K | ﹤0.01% |
+4,472
| New | +$688K |
|
3597
CALL
Voya Financial
VOYA
$8.94B
| $731K | ﹤0.01% |
10,700
-1,800
| -14% | -$130K |
|
3598
Sunoco
SUN
$14B
| $730K | ﹤0.01% |
11,243
-34,575
| -75% | -$2.1M |
|
3599
PUT
EnerSys
ENS
$7.34B
| $730K | ﹤0.01% |
+4,200
| New | +$711K |
|
3600
PUT
Huazhu Hotels Group
HTHT
$12.3B
| $729K | ﹤0.01% |
+14,500
| New | +$739K |
|
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.