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 | |
|---|---|---|---|---|---|---|
4726
CALL
Ocugen
OCGN
$410M
| $267K | ﹤0.01% |
147,600
-88,000
| -37% | -$152K |
|
4727
State Street SPDR Russell 1000 Yield Focus ETF
ONEY
$742M
| $267K | ﹤0.01% |
+2,225
| New | +$270K |
|
4728
CALL
LivaNova
LIVN
$4.3B
| $267K | ﹤0.01% |
+4,200
| New | +$271K |
|
4729
CALL
ADT
ADT
$5.16B
| $267K | ﹤0.01% |
+40,600
| New | +$305K |
|
4730
PUT
Melco Resorts & Entertainment
MLCO
$2.1B
| $266K | ﹤0.01% |
46,900
-58,100
| -55% | -$352K |
|
|
SAIL
4731
SailPoint Inc
SAIL
$8.48B
| $266K | ﹤0.01% |
+20,113
| New | +$314K |
|
4732
Dick's Sporting Goods
DKS
$18.4B
| $266K | ﹤0.01% |
1,342
-38,331
| -97% | -$7.78M |
|
|
TWO
4733
CALL
Two Harbors Investment
TWO
$1.27B
| $266K | ﹤0.01% |
+23,300
| New | +$261K |
|
|
AMRN
4734
CALL
Amarin Corp
AMRN
$284M
| $266K | ﹤0.01% |
18,400
-900
| -5% | -$13.5K |
|
4735
PUT
ARK 21Shares Bitcoin ETF
ARKB
$2.45B
| $265K | ﹤0.01% |
11,800
-9,500
| -45% | -$241K |
|
4736
NewMarket
NEU
$7.17B
| $265K | ﹤0.01% |
+414
| New | +$268K |
|
|
NSLR
4737
PUT
Neostellar Capital Corp
NSLR
$262M
| $265K | ﹤0.01% |
24,700
-15,200
| -38% | -$146K |
|
4738
PUT
Chemed
CHE
$6.78B
| $264K | ﹤0.01% |
+700
| New | +$300K |
|
4739
Prospect Capital
PSEC
$1.06B
| $264K | ﹤0.01% |
+101,242
| New | +$277K |
|
|
HOOX
4740
PUT
Defiance Daily Target 2X Long HOOD ETF
HOOX
$12.2M
| $264K | ﹤0.01% |
+13,600
| New | +$492K |
|
4741
CALL
Paymentus
PAY
$3.63B
| $264K | ﹤0.01% |
+10,400
| New | +$273K |
|
4742
AdvisorShares MSOS 2X Daily ETF
MSOX
$50.3M
| $264K | ﹤0.01% |
122,698
-5,965
| -5% | -$19.1K |
|
4743
PUT
Horizon Technology Finance
HRZN
$294M
| $263K | ﹤0.01% |
62,500
+26,800
| +75% | +$155K |
|
4744
CALL
Hyliion Holdings
HYLN
$663M
| $263K | ﹤0.01% |
149,200
-15,900
| -10% | -$32K |
|
4745
PUT
Intapp
INTA
$2.12B
| $262K | ﹤0.01% |
+10,200
| New | +$304K |
|
4746
PUT
Dorman Products
DORM
$4.01B
| $261K | ﹤0.01% |
+2,500
| New | +$298K |
|
4747
CALL
Castle Biosciences
CSTL
$749M
| $260K | ﹤0.01% |
+10,600
| New | +$347K |
|
4748
CALL
Everspin Technologies
MRAM
$354M
| $260K | ﹤0.01% |
+29,600
| New | +$326K |
|
|
4749
Horizon Technology Finance
HRZN
$294M
| $260K | ﹤0.01% |
+61,795
| New | +$358K |
|
4750
CALL
Seadrill
SDRL
$2.81B
| $259K | ﹤0.01% |
+5,700
| New | +$233K |
|
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.