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 | |
|---|---|---|---|---|---|---|
5376
CALL
SES AI
SES
$198M
| $86.3K | ﹤0.01% |
+89,700
| New | +$152K |
|
5377
Quantum Computing Inc
QUBT
$1.77B
| $85.8K | ﹤0.01% |
12,526
-183,382
| -94% | -$1.68M |
|
|
BORR
5378
Borr Drilling
BORR
$1.31B
| $85.5K | ﹤0.01% |
+14,817
| New | +$75.9K |
|
|
NEWP
5379
PUT
New Pacific Metals
NEWP
$825M
| $85.3K | ﹤0.01% |
+20,600
| New | +$83.7K |
|
5380
PUT
Amplitude
AMPL
$1.07B
| $85.3K | ﹤0.01% |
+12,500
| New | +$103K |
|
5381
Palladyne AI
PDYN
$247M
| $84.9K | ﹤0.01% |
+13,986
| New | +$94.7K |
|
|
BORR
5382
PUT
Borr Drilling
BORR
$1.31B
| $84.8K | ﹤0.01% |
+14,700
| New | +$75.3K |
|
5383
One Stop Systems
OSS
$330M
| $84.7K | ﹤0.01% |
+11,187
| New | +$104K |
|
|
ORBS
5384
PUT
Eightco Holdings
ORBS
$251M
| $84.5K | ﹤0.01% |
+90,600
| New | +$116K |
|
|
PLG
5385
CALL
Platinum Group Metals
PLG
$166M
| $83.9K | ﹤0.01% |
+47,400
| New | +$115K |
|
|
UROY
5386
Uranium Royalty Corp
UROY
$454M
| $83.9K | ﹤0.01% |
22,980
-37,933
| -62% | -$155K |
|
5387
CALL
Duos Technologies
DUOT
$263M
| $83.7K | ﹤0.01% |
+12,200
| New | +$109K |
|
5388
CALL
Mizuho Financial
MFG
$129B
| $83.4K | ﹤0.01% |
+10,500
| New | +$88.9K |
|
|
FOCL
5389
PUT
EDAP TMS S.A.
FOCL
$228M
| $83K | ﹤0.01% |
+22,300
| New | +$91.9K |
|
5390
Blend Labs
BLND
$409M
| $82.7K | ﹤0.01% |
+48,630
| New | +$104K |
|
5391
CALL
Editas Medicine
EDIT
$419M
| $82.5K | ﹤0.01% |
33,400
-80,900
| -71% | -$171K |
|
5392
Digimarc Corp
DMRC
$132M
| $81.9K | ﹤0.01% |
+16,674
| New | +$92.6K |
|
5393
CALL
Vuzix
VUZI
$191M
| $81.8K | ﹤0.01% |
+35,400
| New | +$96.6K |
|
5394
PUT
Comtech Telecommunications
CMTL
$52.7M
| $81.7K | ﹤0.01% |
+24,600
| New | +$127K |
|
5395
CALL
Utz Brands
UTZ
$1.25B
| $81.6K | ﹤0.01% |
+10,300
| New | +$95.7K |
|
5396
CALL
Nu Skin
NUS
$247M
| $81.5K | ﹤0.01% |
+11,200
| New | +$101K |
|
5397
Rekor Systems
REKR
$83.1M
| $81.4K | ﹤0.01% |
+99,293
| New | +$106K |
|
|
SRTA
5398
CALL
Strata Critical Medical Inc
SRTA
$440M
| $81.1K | ﹤0.01% |
+19,400
| New | +$93.4K |
|
|
CRWG
5399
CALL
Leverage Shares 2X Long CRWV Daily ETF
CRWG
$136M
| $81.1K | ﹤0.01% |
+4,370
| New | +$155K |
|
5400
Evolv Technologies
EVLV
$948M
| $80.7K | ﹤0.01% |
13,337
-49,608
| -79% | -$290K |
|
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.