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 | |
|---|---|---|---|---|---|---|
5276
Paysafe
PSFE
$404M
| $118K | ﹤0.01% |
+17,254
| New | +$122K |
|
5277
Richtech Robotics
RR
$353M
| $117K | ﹤0.01% |
55,935
-182,291
| -77% | -$560K |
|
5278
PUT
Rackspace Technology
RXT
$1.01B
| $117K | ﹤0.01% |
+119,300
| New | +$145K |
|
5279
PUT
LegalZoom.com
LZ
$1.24B
| $117K | ﹤0.01% |
20,600
-15,400
| -43% | -$117K |
|
5280
Energy Vault
NRGV
$565M
| $117K | ﹤0.01% |
+35,319
| New | +$146K |
|
|
MTA
5281
PUT
Metalla Royalty & Streaming
MTA
$704M
| $116K | ﹤0.01% |
+17,500
| New | +$138K |
|
|
AEXA
5282
CALL
American Exceptionalism Acquisition Corp
AEXA
$576M
| $116K | ﹤0.01% |
+10,700
| New | +$121K |
|
|
TIC
5283
PUT
TIC Solutions Inc
TIC
$1.58B
| $115K | ﹤0.01% |
+17,500
| New | +$165K |
|
|
UNIT
5284
Uniti Group
UNIT
$2.67B
| $115K | ﹤0.01% |
+12,241
| New | +$96K |
|
5285
CALL
Wabash National
WNC
$546M
| $115K | ﹤0.01% |
+13,300
| New | +$132K |
|
5286
Arbe Robotics
ARBE
$85.2M
| $114K | ﹤0.01% |
+187,442
| New | +$195K |
|
5287
CALL
GrowGeneration
GRWG
$84.1M
| $114K | ﹤0.01% |
+103,900
| New | +$130K |
|
5288
CALL
Embecta
EMBC
$196M
| $114K | ﹤0.01% |
+12,900
| New | +$134K |
|
|
FRMM
5289
Forum Markets
FRMM
$75.6M
| $114K | ﹤0.01% |
+39,442
| New | +$151K |
|
5290
CALL
QuickLogic
QUIK
$232M
| $113K | ﹤0.01% |
+12,100
| New | +$98.8K |
|
5291
CALL
OppFi
OPFI
$757M
| $113K | ﹤0.01% |
14,700
-7,300
| -33% | -$66.8K |
|
5292
CALL
Byrna Technologies
BYRN
$84.6M
| $112K | ﹤0.01% |
+12,200
| New | +$160K |
|
|
SLI
5293
PUT
Standard Lithium
SLI
$524M
| $112K | ﹤0.01% |
+32,800
| New | +$147K |
|
|
VLD
5294
CALL
DELISTED
Velo3D, Inc.
VLD
| $112K | ﹤0.01% |
+11,900
| New | +$112K |
|
5295
CALL
Nano X Imaging
NNOX
$67.6M
| $111K | ﹤0.01% |
+49,100
| New | +$129K |
|
5296
CALL
Ardelyx
ARDX
$1.25B
| $111K | ﹤0.01% |
18,600
-62,900
| -77% | -$416K |
|
5297
CALL
Porch Group
PRCH
$1.28B
| $111K | ﹤0.01% |
15,500
-23,800
| -61% | -$190K |
|
5298
PUT
Aemetis
AMTX
$126M
| $110K | ﹤0.01% |
+34,600
| New | +$62.9K |
|
5299
CALL
Inter&Co
INTR
$2.41B
| $110K | ﹤0.01% |
13,800
-13,500
| -49% | -$117K |
|
5300
The Honest Company
HNST
$413M
| $110K | ﹤0.01% |
+37,310
| New | +$96K |
|
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.